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https://github.com/qinhanmin2014/leetcode-solutions
LeetCode Solutions in Python, Java and C++
https://github.com/qinhanmin2014/leetcode-solutions
cpp java leetcode python
Last synced: 3 months ago
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LeetCode Solutions in Python, Java and C++
- Host: GitHub
- URL: https://github.com/qinhanmin2014/leetcode-solutions
- Owner: qinhanmin2014
- Created: 2018-10-28T14:03:23.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2024-06-15T14:50:58.000Z (8 months ago)
- Last Synced: 2024-10-03T12:52:16.012Z (4 months ago)
- Topics: cpp, java, leetcode, python
- Homepage:
- Size: 1.07 MB
- Stars: 30
- Watchers: 2
- Forks: 11
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# LeetCode
[LeetCode](https://leetcode.com/) Solutions in Python, Java and C++
| # | Title | Python | Java | C++ | Difficulty |
|---| ----- | ------ | ---- | --- | ---------- |
|001|[Two Sum](https://leetcode.com/problems/two-sum/)|[Python](./Python/001.md)|[Java](./Java/001.md)|[C++](./C++/001.md)|Easy|
|002|[Add Two Numbers](https://leetcode.com/problems/add-two-numbers/)|[Python](./Python/002.md)|[Java](./Java/002.md)|[C++](./C++/002.md)|Medium|
|003|[Longest Substring Without Repeating Characters](https://leetcode.com/problems/longest-substring-without-repeating-characters/)|[Python](./Python/003.md)|[Java](./Java/003.md)|[C++](./C++/003.md)|Medium|
|004|[Median of Two Sorted Arrays](https://leetcode.com/problems/median-of-two-sorted-arrays/)|[Python](./Python/004.md)|[Java](./Java/004.md)|[C++](./C++/004.md)|Hard|
|005|[Longest Palindromic Substring](https://leetcode.com/problems/longest-palindromic-substring/)|[Python](./Python/005.md)|[Java](./Java/005.md)|[C++](./C++/005.md)|Medium|
|006|[ZigZag Conversion](https://leetcode.com/problems/zigzag-conversion/)|[Python](./Python/006.md)|[Java](./Java/006.md)|[C++](./C++/006.md)|Medium|
|007|[Reverse Integer](https://leetcode.com/problems/reverse-integer/)|[Python](./Python/007.md)|[Java](./Java/007.md)|[C++](./C++/007.md)|Easy|
|008|[String to Integer](https://leetcode.com/problems/string-to-integer-atoi/)|[Python](./Python/008.md)|[Java](./Java/008.md)|[C++](./C++/008.md)|Medium|
|009|[Palindrome Number](https://leetcode.com/problems/palindrome-number/)|[Python](./Python/009.md)|[Java](./Java/009.md)|[C++](./C++/009.md)|Easy|
|010|[Regular Expression Matching](https://leetcode.com/problems/regular-expression-matching/)|[Python](./Python/010.md)|[Java](./Java/010.md)|[C++](./C++/010.md)|Hard|
|011|[Container With Most Water](https://leetcode.com/problems/container-with-most-water/)|[Python](./Python/011.md)|[Java](./Java/011.md)|[C++](./C++/011.md)|Medium|
|012|[Integer to Roman](https://leetcode.com/problems/integer-to-roman/)|[Python](./Python/012.md)|[Java](./Java/012.md)|[C++](./C++/012.md)|Medium|
|013|[Roman to Integer](https://leetcode.com/problems/roman-to-integer/)|[Python](./Python/013.md)|[Java](./Java/013.md)|[C++](./C++/013.md)|Easy|
|014|[Longest Common Prefix](https://leetcode.com/problems/longest-common-prefix/)|[Python](./Python/014.md)|[Java](./Java/014.md)|[C++](./C++/014.md)|Easy|
|015|[3Sum](https://leetcode.com/problems/3sum/)|[Python](./Python/015.md)|[Java](./Java/015.md)|[C++](./C++/015.md)|Medium|
|016|[3Sum Closest](https://leetcode.com/problems/3sum-closest/)|[Python](./Python/016.md)|[Java](./Java/016.md)|[C++](./C++/016.md)|Medium|
|017|[Letter Combinations of a Phone Number](https://leetcode.com/problems/letter-combinations-of-a-phone-number/)|[Python](./Python/017.md)|[Java](./Java/017.md)|[C++](./C++/017.md)|Medium|
|018|[4Sum](https://leetcode.com/problems/4sum/)|[Python](./Python/018.md)|[Java](./Java/018.md)|[C++](./C++/018.md)|Medium|
|019|[Remove Nth Node From End of List](https://leetcode.com/problems/remove-nth-node-from-end-of-list/)|[Python](./Python/019.md)|[Java](./Java/019.md)|[C++](./C++/019.md)|Medium|
|020|[Valid Parentheses](https://leetcode.com/problems/valid-parentheses/)|[Python](./Python/020.md)|[Java](./Java/020.md)|[C++](./C++/020.md)|Easy|
|021|[Merge Two Sorted Lists](https://leetcode.com/problems/merge-two-sorted-lists/)|[Python](./Python/021.md)|[Java](./Java/021.md)|[C++](./C++/021.md)|Easy|
|022|[Generate Parentheses](https://leetcode.com/problems/generate-parentheses/)|[Python](./Python/022.md)|[Java](./Java/022.md)|[C++](./C++/022.md)|Medium|
|023|[Merge k Sorted Lists](https://leetcode.com/problems/merge-k-sorted-lists/)|[Python](./Python/023.md)|[Java](./Java/023.md)|[C++](./C++/023.md)|Hard|
|024|[Swap Nodes in Pairs](https://leetcode.com/problems/swap-nodes-in-pairs/)|[Python](./Python/024.md)|[Java](./Java/024.md)|[C++](./C++/024.md)|Medium|
|025|[Reverse Nodes in k-Group](https://leetcode.com/problems/reverse-nodes-in-k-group/)|[Python](./Python/025.md)|[Java](./Java/025.md)|[C++](./C++/025.md)|Hard|
|026|[Remove Duplicates from Sorted Array](https://leetcode.com/problems/remove-duplicates-from-sorted-array/)|[Python](./Python/026.md)|[Java](./Java/026.md)|[C++](./C++/026.md)|Easy|
|027|[Remove Element](https://leetcode.com/problems/remove-element/)|[Python](./Python/027.md)|[Java](./Java/027.md)|[C++](./C++/027.md)|Easy|
|028|[Implement strStr()](https://leetcode.com/problems/implement-strstr/)|[Python](./Python/028.md)|[Java](./Java/028.md)|[C++](./C++/028.md)|Easy|
|029|[Divide Two Integers](https://leetcode.com/problems/divide-two-integers/)|[Python](./Python/029.md)|[Java](./Java/029.md)|[C++](./C++/029.md)|Medium|
|030|[Substring with Concatenation of All Words](https://leetcode.com/problems/substring-with-concatenation-of-all-words/)|[Python](./Python/030.md)|[Java](./Java/030.md)|[C++](./C++/030.md)|Hard|
|031|[Next Permutation](https://leetcode.com/problems/next-permutation/)|[Python](./Python/031.md)|[Java](./Java/031.md)|[C++](./C++/031.md)|Medium|
|032|[Longest Valid Parentheses](https://leetcode.com/problems/longest-valid-parentheses/)|[Python](./Python/032.md)|[Java](./Java/032.md)|[C++](./C++/032.md)|Hard|
|033|[Search in Rotated Sorted Array](https://leetcode.com/problems/search-in-rotated-sorted-array/)|[Python](./Python/033.md)|[Java](./Java/033.md)|[C++](./C++/033.md)|Medium|
|034|[Find First and Last Position of Element in Sorted Array](https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/)|[Python](./Python/034.md)|[Java](./Java/034.md)|[C++](./C++/034.md)|Medium|
|035|[Search Insert Position](https://leetcode.com/problems/search-insert-position/)|[Python](./Python/035.md)|[Java](./Java/035.md)|[C++](./C++/035.md)|Easy|
|036|[Valid Sudoku](https://leetcode.com/problems/valid-sudoku/)|[Python](./Python/036.md)|[Java](./Java/036.md)|[C++](./C++/036.md)|Medium|
|037|[Sudoku Solver](https://leetcode.com/problems/sudoku-solver/)|[Python](./Python/037.md)|[Java](./Java/037.md)|[C++](./C++/037.md)|Hard|
|038|[Count and Say](https://leetcode.com/problems/count-and-say/)|[Python](./Python/038.md)|[Java](./Java/038.md)|[C++](./C++/038.md)|Easy|
|039|[Combination Sum](https://leetcode.com/problems/combination-sum/)|[Python](./Python/039.md)|[Java](./Java/039.md)|[C++](./C++/039.md)|Medium|
|040|[Combination Sum II](https://leetcode.com/problems/combination-sum-ii/)|[Python](./Python/040.md)|[Java](./Java/040.md)|[C++](./C++/040.md)|Medium|
|041|[First Missing Positive](https://leetcode.com/problems/first-missing-positive/)|[Python](./Python/041.md)|[Java](./Java/041.md)|[C++](./C++/041.md)|Hard|
|042|[Trapping Rain Water](https://leetcode.com/problems/trapping-rain-water/)|[Python](./Python/042.md)|[Java](./Java/042.md)|[C++](./C++/042.md)|Hard|
|043|[Multiply Strings](https://leetcode.com/problems/multiply-strings/)|[Python](./Python/043.md)|[Java](./Java/043.md)|[C++](./C++/043.md)|Medium|
|044|[Wildcard Matching](https://leetcode.com/problems/wildcard-matching/)|[Python](./Python/044.md)|[Java](./Java/044.md)|[C++](./C++/044.md)|Hard|
|045|[Jump Game II](https://leetcode.com/problems/jump-game-ii/)|[Python](./Python/045.md)|[Java](./Java/045.md)|[C++](./C++/045.md)|Hard|
|046|[Permutations](https://leetcode.com/problems/permutations/)|[Python](./Python/046.md)|[Java](./Java/046.md)|[C++](./C++/046.md)|Medium|
|047|[Permutaions II](https://leetcode.com/problems/permutations-ii/)|[Python](./Python/047.md)|[Java](./Java/047.md)|[C++](./C++/047.md)|Medium|
|048|[Rotate Image](https://leetcode.com/problems/rotate-image/)|[Python](./Python/048.md)|[Java](./Java/048.md)|[C++](./C++/048.md)|Medium|
|049|[Group Anagrams](https://leetcode.com/problems/group-anagrams/)|[Python](./Python/049.md)|[Java](./Java/049.md)|[C++](./C++/049.md)|Medium|
|050|[Pow(x, n)](https://leetcode.com/problems/powx-n/)|[Python](./Python/050.md)|[Java](./Java/050.md)|[C++](./C++/050.md)|Medium|
|051|[N-Queens](https://leetcode.com/problems/n-queens/)|[Python](./Python/051.md)|[Java](./Java/051.md)|[C++](./C++/051.md)|Hard|
|052|[N-Queens II](https://leetcode.com/problems/n-queens-ii/)|[Python](./Python/052.md)|[Java](./Java/052.md)|[C++](./C++/052.md)|Hard|
|053|[Maximum Subarray](https://leetcode.com/problems/maximum-subarray/)|[Python](./Python/053.md)|[Java](./Java/053.md)|[C++](./C++/053.md)|Easy|
|054|[Spiral Matrix](https://leetcode.com/problems/spiral-matrix/)|[Python](./Python/054.md)|[Java](./Java/054.md)|[C++](./C++/054.md)|Medium|
|055|[Jump Game](https://leetcode.com/problems/jump-game/)|[Python](./Python/055.md)|[Java](./Java/055.md)|[C++](./C++/055.md)|Medium|
|056|[Merge Intervals](https://leetcode.com/problems/merge-intervals/)|[Python](./Python/056.md)|[Java](./Java/056.md)|[C++](./C++/056.md)|Medium|
|057|[Insert Interval](https://leetcode.com/problems/insert-interval/)|[Python](./Python/057.md)|||Hard|
|058|[Length of Last Word](https://leetcode.com/problems/length-of-last-word/)|[Python](./Python/058.md)|||Easy|
|059|[Spiral Matrix II](https://leetcode.com/problems/spiral-matrix-ii/)|[Python](./Python/059.md)|||Medium|
|060|[Permutation Sequence](https://leetcode.com/problems/permutation-sequence/)|[Python](./Python/060.md)|||Medium|
|061|[Rotate List](https://leetcode.com/problems/rotate-list/)|[Python](./Python/061.md)|||Medium|
|062|[Unique Paths](https://leetcode.com/problems/unique-paths/)|[Python](./Python/062.md)|||Medium|
|063|[Unique Paths II](https://leetcode.com/problems/unique-paths-ii/)|[Python](./Python/063.md)|||Medium|
|064|[Minimum Path Sum](https://leetcode.com/problems/minimum-path-sum/)|[Python](./Python/064.md)|||Medium|
|065|[Valid Number](https://leetcode.com/problems/valid-number/)|[Python](./Python/065.md)|||Hard|
|066|[Plus One](https://leetcode.com/problems/plus-one/)|[Python](./Python/066.md)|||Easy|
|067|[Add Binary](https://leetcode.com/problems/add-binary/)|[Python](./Python/067.md)|||Easy|
|068|[Text Justification](https://leetcode.com/problems/valid-number/)|[Python](./Python/068.md)|||Hard|
|069|[Sqrt(x)](https://leetcode.com/problems/sqrtx/)|[Python](./Python/069.md)|||Easy|
|070|[Climbing Stairs](https://leetcode.com/problems/climbing-stairs/)|[Python](./Python/070.md)|||Easy|
|071|[Simplify Path](https://leetcode.com/problems/simplify-path/)|[Python](./Python/071.md)|||Medium|
|072|[Edit Distance](https://leetcode.com/problems/edit-distance/)|[Python](./Python/072.md)|||Hard|
|073|[Set Matrix Zeroes](https://leetcode.com/problems/set-matrix-zeroes/)|[Python](./Python/073.md)|||Medium|
|074|[Search a 2D Matrix](https://leetcode.com/problems/search-a-2d-matrix/)|[Python](./Python/074.md)|||Medium|
|075|[Sort Colors](https://leetcode.com/problems/sort-colors/)|[Python](./Python/075.md)|[Java](./Java/075.md)|[C++](./C++/075.md)|Medium|
|076|[Minimum Window Substring](https://leetcode.com/problems/minimum-window-substring/)|[Python](./Python/076.md)|||Hard|
|077|[Combinations](https://leetcode.com/problems/combinations/)|[Python](./Python/077.md)|||Medium|
|078|[Subsets](https://leetcode.com/problems/subsets/)|[Python](./Python/078.md)|[Java](./Java/078.md)|[C++](./C++/078.md)|Medium|
|079|[Word Search](https://leetcode.com/problems/word-search/)|[Python](./Python/079.md)|[Java](./Java/079.md)|[C++](./C++/079.md)|Medium|
|080|[Remove Duplicates from Sorted Array II](https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/)|[Python](./Python/080.md)|||Medium|
|081|[Search in Rotated Sorted Array II](https://leetcode.com/problems/search-in-rotated-sorted-array-ii/)|[Python](./Python/081.md)|||Medium|
|082|[Remove Duplicates from Sorted List II](https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii/)|[Python](./Python/082.md)|||Medium|
|083|[Remove Duplicates from Sorted List](https://leetcode.com/problems/remove-duplicates-from-sorted-list/)|[Python](./Python/083.md)|||Easy|
|084|[Largest Rectangle in Histogram](https://leetcode.com/problems/largest-rectangle-in-histogram/)|[Python](./Python/084.md)|||Hard|
|085|[Maximal Rectangle](https://leetcode.com/problems/maximal-rectangle/)|[Python](./Python/085.md)|||Hard|
|086|[Partition List](https://leetcode.com/problems/partition-list/)|[Python](./Python/086.md)|||Medium|
|087|[Scramble String](https://leetcode.com/problems/scramble-string/)|[Python](./Python/087.md)|||Hard|
|088|[Merge Sorted Array](https://leetcode.com/problems/merge-sorted-array/)|[Python](./Python/088.md)|||Easy|
|089|[Gray Code](https://leetcode.com/problems/gray-code/)|[Python](./Python/089.md)|||Medium|
|090|[Subsets II](https://leetcode.com/problems/subsets-ii/)|[Python](./Python/090.md)|||Medium|
|091|[Decode Ways](https://leetcode.com/problems/decode-ways/)|[Python](./Python/091.md)|||Medium|
|092|[Reverse Linked List II](https://leetcode.com/problems/reverse-linked-list-ii/)|[Python](./Python/092.md)|||Medium|
|093|[Restore IP Addresses](https://leetcode.com/problems/restore-ip-addresses/)|[Python](./Python/093.md)|||Medium|
|094|[Binary Tree Inorder Traversal](https://leetcode.com/problems/binary-tree-inorder-traversal/)|[Python](./Python/094.md)|[Java](./Java/094.md)|[C++](./C++/094.md)|Medium|
|095|[Unique Binary Search Trees II](https://leetcode.com/problems/unique-binary-search-trees-ii/)|[Python](./Python/095.md)|||Medium|
|096|[Unique Binary Search Trees](https://leetcode.com/problems/unique-binary-search-trees/)|[Python](./Python/096.md)|||Medium|
|097|[Interleaving String](https://leetcode.com/problems/interleaving-string/)|[Python](./Python/097.md)|||Hard|
|098|[Validate Binary Search Tree](https://leetcode.com/problems/validate-binary-search-tree/)|[Python](./Python/098.md)|||Medium|
|099|[Recover Binary Search Tree](https://leetcode.com/problems/recover-binary-search-tree/)|[Python](./Python/099.md)|||Hard|
|100|[Same Tree](https://leetcode.com/problems/same-tree/)|[Python](./Python/100.md)|||Easy|
|101|[Symmetric Tree](https://leetcode.com/problems/symmetric-tree/)|[Python](./Python/101.md)|||Easy|
|102|[Binary Tree Level Order Traversal](https://leetcode.com/problems/binary-tree-level-order-traversal/)|[Python](./Python/102.md)|||Medium|
|103|[Binary Tree Zigzag Level Order Traversal](https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/)|[Python](./Python/103.md)|||Medium|
|104|[Maximum Depth of Binary Tree](https://leetcode.com/problems/maximum-depth-of-binary-tree/)|[Python](./Python/104.md)|||Easy|
|105|[Construct Binary Tree from Preorder and Inorder Traversal](https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/)|[Python](./Python/105.md)|||Medium|
|106|[Construct Binary Tree from Inorder and Postorder Traversal](https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/)|[Python](./Python/106.md)|[Java](./Java/106.md)|[C++](./C++/106.md)|Medium|
|107|[Binary Tree Level Order Traversal II](https://leetcode.com/problems/binary-tree-level-order-traversal-ii/)|[Python](./Python/107.md)|||Easy|
|108|[Convert Sorted Array to Binary Search Tree](https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/)|[Python](./Python/108.md)|||Easy|
|109|[Convert Sorted List to Binary Search Tree](https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree/)|[Python](./Python/109.md)|||Medium|
|110|[Balanced Binary Tree](https://leetcode.com/problems/balanced-binary-tree/)|[Python](./Python/110.md)|||Easy|
|111|[Minimum Depth of Binary Tree](https://leetcode.com/problems/minimum-depth-of-binary-tree/)|[Python](./Python/111.md)|||Easy|
|112|[Path Sum](https://leetcode.com/problems/path-sum/)|[Python](./Python/112.md)|[Java](./Java/112.md)|[C++](./C++/112.md)|Easy|
|113|[Path Sum II](https://leetcode.com/problems/path-sum-ii/)|[Python](./Python/113.md)|[Java](./Java/113.md)|[C++](./C++/113.md)|Medium|
|114|[Flatten Binary Tree to Linked List](https://leetcode.com/problems/flatten-binary-tree-to-linked-list/)|[Python](./Python/114.md)|||Medium|
|115|[Distinct Subsequences](https://leetcode.com/problems/distinct-subsequences/)|[Python](./Python/115.md)|||Hard|
|116|[Populating Next Right Pointers in Each Node](https://leetcode.com/problems/populating-next-right-pointers-in-each-node/)|[Python](./Python/116.md)|||Medium|
|117|[Populating Next Right Pointers in Each Node II](https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii/)|[Python](./Python/117.md)|||Medium|
|118|[Pascal's Triangle](https://leetcode.com/problems/pascals-triangle/)|[Python](./Python/118.md)|||Easy|
|119|[Pascal's Triangle II](https://leetcode.com/problems/pascals-triangle-ii/)|[Python](./Python/119.md)|||Easy|
|120|[Triangle](https://leetcode.com/problems/triangle/)|[Python](./Python/120.md)|||Medium|
|121|[Best Time to Buy and Sell Stock](https://leetcode.com/problems/best-time-to-buy-and-sell-stock/)|[Python](./Python/121.md)|||Easy|
|122|[Best Time to Buy and Sell Stock II](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/)|[Python](./Python/122.md)|||Easy|
|123|[Best Time to Buy and Sell Stock III](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/)|[Python](./Python/123.md)|||Hard|
|124|[Binary Tree Maximum Path Sum](https://leetcode.com/problems/binary-tree-maximum-path-sum/)|[Python](./Python/124.md)|||Hard|
|125|[Valid Palindrome](https://leetcode.com/problems/valid-palindrome/)|[Python](./Python/125.md)|||Easy|
|126|[Word Ladder II](https://leetcode.com/problems/word-ladder-ii/)|[Python](./Python/126.md)|||Hard|
|127|[Word Ladder](https://leetcode.com/problems/word-ladder/)|[Python](./Python/127.md)|||Medium|
|128|[Longest Consecutive Sequence](https://leetcode.com/problems/longest-consecutive-sequence/)|[Python](./Python/128.md)|||Hard|
|129|[Sum Root to Leaf Numbers](https://leetcode.com/problems/sum-root-to-leaf-numbers/)|[Python](./Python/129.md)|||Medium|
|130|[Surrounded Regions](https://leetcode.com/problems/surrounded-regions/)|[Python](./Python/130.md)|||Medium|
|131|[Palindrome Partitioning](https://leetcode.com/problems/palindrome-partitioning/)|[Python](./Python/131.md)|||Medium|
|132|[Palindrome Partitioning II](https://leetcode.com/problems/palindrome-partitioning-ii/)|[Python](./Python/132.md)|||Hard|
|133|[Clone Graph](https://leetcode.com/problems/clone-graph/)|[Python](./Python/133.md)|||Medium|
|134|[Gas Station](https://leetcode.com/problems/gas-station/)|[Python](./Python/134.md)|||Medium|
|135|[Candy](https://leetcode.com/problems/candy/)|[Python](./Python/135.md)|||Hard|
|136|[Single Number](https://leetcode.com/problems/single-number/)|[Python](./Python/136.md)|||Easy|
|137|[Single Number II](https://leetcode.com/problems/single-number-ii/)|[Python](./Python/137.md)|||Medium|
|138|[Copy List with Random Pointer](https://leetcode.com/problems/copy-list-with-random-pointer/)|[Python](./Python/138.md)|||Medium|
|139|[Word Break](https://leetcode.com/problems/word-break/)|[Python](./Python/139.md)|||Medium|
|140|[Word Break II](https://leetcode.com/problems/word-break-ii/)|[Python](./Python/140.md)|||Hard|
|141|[Linked List Cycle](https://leetcode.com/problems/linked-list-cycle/)|[Python](./Python/141.md)|||Easy|
|142|[Linked List Cycle II](https://leetcode.com/problems/linked-list-cycle-ii/)|[Python](./Python/142.md)|||Medium|
|143|[Reorder List](https://leetcode.com/problems/reorder-list/)|[Python](./Python/143.md)|||Medium|
|144|[Binary Tree Preorder Traversal](https://leetcode.com/problems/binary-tree-preorder-traversal/)|[Python](./Python/144.md)|||Medium|
|145|[Binary Tree Postorder Traversal](https://leetcode.com/problems/binary-tree-postorder-traversal/)|[Python](./Python/145.md)|||Medium|
|146|[LRU Cache](https://leetcode.com/problems/lru-cache/)|[Python](./Python/146.md)|||Medium|
|147|[Insertion Sort List](https://leetcode.com/problems/insertion-sort-list/)|[Python](./Python/147.md)|||Medium|
|148|[Sort List](https://leetcode.com/problems/sort-list/)|[Python](./Python/148.md)|||Medium|
|149|[Max Points on a Line](https://leetcode.com/problems/max-points-on-a-line/)|[Python](./Python/149.md)|||Hard|
|150|[Evaluate Reverse Polish Notation](https://leetcode.com/problems/evaluate-reverse-polish-notation/)|[Python](./Python/150.md)|||Medium|
|151|[Reverse Words in a String](https://leetcode.com/problems/reverse-words-in-a-string/)|[Python](./Python/151.md)|||Medium|
|152|[Maximum Product Subarray](https://leetcode.com/problems/maximum-product-subarray/)|[Python](./Python/152.md)|||Medium|
|153|[Find Minimum in Rotated Sorted Array](https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/)|[Python](./Python/153.md)|||Medium|
|154|[Find Minimum in Rotated Sorted Array II](https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii/)|[Python](./Python/154.md)|||Medium|
|155|[Min Stack](https://leetcode.com/problems/min-stack/)|[Python](./Python/155.md)|||Easy|
|160|[Intersection of Two Linked Lists](https://leetcode.com/problems/intersection-of-two-linked-lists/)|[Python](./Python/160.md)|||Easy|
|162|[Find Peak Element](https://leetcode.com/problems/find-peak-element/)|[Python](./Python/162.md)|||Medium|
|164|[Maximum Gap](https://leetcode.com/problems/maximum-gap/)|[Python](./Python/164.md)|||Hard|
|165|[Compare Version Numbers](https://leetcode.com/problems/compare-version-numbers/)|[Python](./Python/165.md)|||Medium|
|166|[Fraction to Recurring Decimal](https://leetcode.com/problems/fraction-to-recurring-decimal/)|[Python](./Python/166.md)|||Medium|
|167|[Two Sum II - Input array is sorted](https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/)|[Python](./Python/167.md)|||Easy|
|168|[Excel Sheet Column Title](https://leetcode.com/problems/excel-sheet-column-title/)|[Python](./Python/168.md)|[Java](./Java/168.md)|[C++](./C++/168.md)|Easy|
|169|[Majority Element](https://leetcode.com/problems/majority-element/)|[Python](./Python/169.md)|||Easy|
|171|[Excel Sheet Column Number](https://leetcode.com/problems/excel-sheet-column-number/)|[Python](./Python/171.md)|||Easy|
|172|[Factorial Trailing Zeroes](https://leetcode.com/problems/factorial-trailing-zeroes/)|[Python](./Python/172.md)|||Easy|
|173|[Binary Search Tree Iterator](https://leetcode.com/problems/binary-search-tree-iterator/)|[Python](./Python/173.md)|||Medium|
|174|[Dungeon Game](https://leetcode.com/problems/dungeon-game/)|[Python](./Python/174.md)|||Hard|
|179|[Largest Number](https://leetcode.com/problems/largest-number/)|[Python](./Python/179.md)|||Medium|
|187|[Repeated DNA Sequences](https://leetcode.com/problems/repeated-dna-sequences/)|[Python](./Python/187.md)|||Medium|
|188|[Best Time to Buy and Sell Stock IV](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/)|[Python](./Python/188.md)|||Hard|
|189|[Rotate Array](https://leetcode.com/problems/rotate-array/)|[Python](./Python/189.md)|||Easy|
|190|[Reverse Bits](https://leetcode.com/problems/reverse-bits/)|[Python](./Python/190.md)|||Easy|
|191|[Number of 1 Bits](https://leetcode.com/problems/number-of-1-bits/)|[Python](./Python/191.md)|||Easy|
|198|[House Robber](https://leetcode.com/problems/house-robber/)|[Python](./Python/198.md)|||Easy|
|199|[Binary Tree Right Side View](https://leetcode.com/problems/binary-tree-right-side-view/)|[Python](./Python/199.md)|||Medium|
|200|[Number of Islands](https://leetcode.com/problems/number-of-islands/)|[Python](./Python/200.md)|||Medium|
|201|[Bitwise AND of Numbers Range](https://leetcode.com/problems/bitwise-and-of-numbers-range/)|[Python](./Python/201.md)|||Medium|
|202|[Happy Number](https://leetcode.com/problems/happy-number/)|[Python](./Python/202.md)|||Easy|
|203|[Remove Linked List Elements](https://leetcode.com/problems/remove-linked-list-elements/)|[Python](./Python/203.md)|[Java](./Java/203.md)|[C++](./C++/203.md)|Easy||204|[Count Primes](https://leetcode.com/problems/count-primes/)|[Python](./Python/204.md)|||Easy|
|205|[Isomorphic Strings](https://leetcode.com/problems/isomorphic-strings/)|[Python](./Python/205.md)|||Easy|
|206|[Reverse Linked List](https://leetcode.com/problems/reverse-linked-list/)|[Python](./Python/206.md)|||Easy|
|207|[Course Schedule](https://leetcode.com/problems/course-schedule/)|[Python](./Python/207.md)|||Medium|
|208|[Implement Trie (Prefix Tree)](https://leetcode.com/problems/implement-trie-prefix-tree/)|[Python](./Python/208.md)|||Medium|
|209|[Minimum Size Subarray Sum](https://leetcode.com/problems/minimum-size-subarray-sum/)|[Python](./Python/209.md)|||Medium|
|210|[Course Schedule II](https://leetcode.com/problems/course-schedule-ii/)|[Python](./Python/210.md)|||Medium|
|211|[Design Add and Search Words Data Structure](https://leetcode.com/problems/design-add-and-search-words-data-structure/)|[Python](./Python/211.md)|||Medium|
|212|[Word Search II](https://leetcode.com/problems/word-search-ii/)|[Python](./Python/212.md)|||Hard|
|213|[House Robber II](https://leetcode.com/problems/house-robber-ii/)|[Python](./Python/213.md)|||Medium|
|215|[Kth Largest Element in an Array](https://leetcode.com/problems/kth-largest-element-in-an-array/)|[Python](./Python/215.md)|||Medium|
|216|[Combination Sum III](https://leetcode.com/problems/combination-sum-iii/)|[Python](./Python/216.md)|||Medium|
|217|[Contains Duplicate](https://leetcode.com/problems/contains-duplicate/)|[Python](./Python/217.md)|||Easy|
|219|[Contains Duplicate II](https://leetcode.com/problems/contains-duplicate-ii/)|[Python](./Python/219.md)|||Easy|
|220|[Contains Duplicate III](https://leetcode.com/problems/contains-duplicate-iii/)|[Python](./Python/220.md)|||Medium|
|221|[Maximal Square](https://leetcode.com/problems/maximal-square/)|[Python](./Python/221.md)|||Medium|
|222|[Count Complete Tree Nodes](https://leetcode.com/problems/count-complete-tree-nodes/)|[Python](./Python/222.md)|||Medium|
|223|[Rectangle Area](https://leetcode.com/problems/rectangle-area/)|[Python](./Python/223.md)|||Medium|
|224|[Basic Calculator](https://leetcode.com/problems/basic-calculator/)|[Python](./Python/224.md)|||Hard|
|226|[Invert Binary Tree](https://leetcode.com/problems/invert-binary-tree/)|[Python](./Python/226.md)|[Java](./Java/226.md)|[C++](./C++/226.md)|Easy|
|228|[Summary Ranges](https://leetcode.com/problems/summary-ranges/)|[Python](./Python/228.md)|||Easy|
|229|[Majority Element II](https://leetcode.com/problems/majority-element-ii/)|[Python](./Python/229.md)|||Medium|
|230|[Kth Smallest Element in a BST](https://leetcode.com/problems/kth-smallest-element-in-a-bst/)|[Python](./Python/230.md)|||Easy|
|231|[Power of Two](https://leetcode.com/problems/power-of-two/)|[Python](./Python/231.md)|||Easy|
|232|[Implement Queue using Stacks](https://leetcode.com/problems/implement-queue-using-stacks/)|[Python](./Python/232.md)|||Easy|
|233|[Number of Digit One](https://leetcode.com/problems/number-of-digit-one/)|[Python](./Python/233.md)|||Hard|
|234|[Palindrome Linked List](https://leetcode.com/problems/palindrome-linked-list/)|[Python](./Python/234.md)|||Easy|
|235|[Lowest Common Ancestor of a Binary Search Tree](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/)|[Python](./Python/235.md)|||Easy|
|236|[Lowest Common Ancestor of a Binary Tree](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/)|[Python](./Python/236.md)|||Medium|
|237|[Delete Node in a Linked List](https://leetcode.com/problems/delete-node-in-a-linked-list/)|[Python](./Python/237.md)|||Easy|
|238|[Product of Array Except Self](https://leetcode.com/problems/product-of-array-except-self/)|[Python](./Python/238.md)|||Medium|
|239|[Sliding Window Maximum](https://leetcode.com/problems/sliding-window-maximum/)|[Python](./Python/239.md)|||Hard|
|240|[Search a 2D Matrix II](https://leetcode.com/problems/search-a-2d-matrix-ii/)|[Python](./Python/240.md)|||Medium|
|241|[Different Ways to Add Parentheses](https://leetcode.com/problems/different-ways-to-add-parentheses/)|[Python](./Python/241.md)|||Hard|
|242|[Valid Anagram](https://leetcode.com/problems/valid-anagram/)|[Python](./Python/242.md)|||Easy|
|253|[Meeting Rooms II](https://leetcode.com/problems/meeting-rooms-ii/)|[Python](./Python/253.md)|||Medium|
|256|[Paint House](https://leetcode.com/problems/paint-house/)|[Python](./Python/256.md)|||Medium|
|257|[Binary Tree Paths](https://leetcode.com/problems/binary-tree-paths/)|[Python](./Python/257.md)|||Easy|
|258|[Add Digits](https://leetcode.com/problems/add-digits/)|[Python](./Python/258.md)|||Easy|
|260|[Single Number III](https://leetcode.com/problems/single-number-iii/)|[Python](./Python/260.md)|||Medium|
|264|[Ugly Number II](https://leetcode.com/problems/ugly-number-ii/)|[Python](./Python/264.md)|||Medium|
|265|[Paint House II](https://leetcode.com/problems/paint-house-ii/)|[Python](./Python/265.md)|||Hard|
|268|[Missing Number](https://leetcode.com/problems/missing-number/)|[Python](./Python/268.md)|||Easy|
|273|[Integer to English Words](https://leetcode.com/problems/integer-to-english-words/)|[Python](./Python/273.md)|||Hard|
|274|[H-Index](https://leetcode.com/problems/h-index/)|[Python](./Python/274.md)|[Java](./Java/274.md)|[C++](./C++/274.md)|Medium|
|275|[H-Index II](https://leetcode.com/problems/h-index-ii/)|[Python](./Python/275.md)|[Java](./Java/275.md)|[C++](./C++/275.md)|Medium|
|278|[First Bad Version](https://leetcode.com/problems/first-bad-version/)|[Python](./Python/278.md)|||Easy|
|279|[Perfect Squares](https://leetcode.com/problems/perfect-squares/)|[Python](./Python/279.md)|||Medium|
|282|[Expression Add Operators](https://leetcode.com/problems/expression-add-operators/)|[Python](./Python/282.md)|||Hard|
|283|[Move Zeroes](https://leetcode.com/problems/move-zeroes/)|[Python](./Python/283.md)|||Easy|
|284|[Peeking Iterator](https://leetcode.com/problems/peeking-iterator/)|[Python](./Python/284.md)|||Medium|
|287|[Find the Duplicate Number](https://leetcode.com/problems/find-the-duplicate-number/)|[Python](./Python/287.md)|||Medium|
|290|[Word Pattern](https://leetcode.com/problems/word-pattern/)|[Python](./Python/290.md)|||Easy|
|292|[Nim Game](https://leetcode.com/problems/nim-game/)|[Python](./Python/292.md)|||Easy|
|295|[Find Median from Data Stream](https://leetcode.com/problems/find-median-from-data-stream/)|[Python](./Python/295.md)|||Hard|
|297|[Serialize and Deserialize Binary Tree](https://leetcode.com/problems/serialize-and-deserialize-binary-tree/)|[Python](./Python/297.md)|[Java](./Java/297.md)|[C++](./C++/297.md)|Hard|
|299|[Bulls and Cows](https://leetcode.com/problems/bulls-and-cows/)|[Python](./Python/299.md)|||Medium|
|300|[Longest Increasing Subsequence](https://leetcode.com/problems/longest-increasing-subsequence/)|[Python](./Python/300.md)|||Medium|
|301|[Remove Invalid Parentheses](https://leetcode.com/problems/remove-invalid-parentheses/)|[Python](./Python/301.md)|||Hard|
|303|[Range Sum Query - Immutable](https://leetcode.com/problems/range-sum-query-immutable/)|[Python](./Python/303.md)|||Easy|
|304|[Range Sum Query 2D - Immutable](https://leetcode.com/problems/range-sum-query-2d-immutable/)|[Python](./Python/304.md)|||Medium|
|306|[Additive Number](https://leetcode.com/problems/additive-number/)|[Python](./Python/306.md)|||Medium|
|307|[Range Sum Query - Mutable](https://leetcode.com/problems/range-sum-query-mutable/)|[Python](./Python/307.md)|||Medium|
|309|[Best Time to Buy and Sell Stock with Cooldown](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/)|[Python](./Python/309.md)|||Medium|
|310|[Minimum Height Trees](https://leetcode.com/problems/minimum-height-trees/)|[Python](./Python/310.md)|||Medium|
|312|[Burst Balloons](https://leetcode.com/problems/burst-balloons/)|[Python](./Python/312.md)|||Hard|
|313|[Super Ugly Number](https://leetcode.com/problems/super-ugly-number/)|[Python](./Python/313.md)|||Medium|
|315|[Count of Smaller Numbers After Self](https://leetcode.com/problems/count-of-smaller-numbers-after-self/)|[Python](./Python/315.md)|||Hard|
|316|[Remove Duplicate Letters](https://leetcode.com/problems/remove-duplicate-letters/)|[Python](./Python/316.md)|||Medium|
|318|[Maximum Product of Word Lengths](https://leetcode.com/problems/maximum-product-of-word-lengths/)|[Python](./Python/318.md)|||Medium|
|319|[Bulb Switcher](https://leetcode.com/problems/bulb-switcher/)|[Python](./Python/319.md)|||Easy|
|321|[Create Maximum Number](https://leetcode.com/problems/create-maximum-number/)|[Python](./Python/321.md)|||Hard|
|322|[Coin Change](https://leetcode.com/problems/coin-change/)|[Python](./Python/322.md)|||Medium|
|324|[Wiggle Sort II](https://leetcode.com/problems/wiggle-sort-ii/)|[Python](./Python/324.md)|||Medium|
|326|[Power of Three](https://leetcode.com/problems/power-of-three/)|[Python](./Python/326.md)|||Medium|
|327|[Count of Range Sum](https://leetcode.com/problems/count-of-range-sum/)|[Python](./Python/327.md)|||Hard|
|328|[Odd Even Linked List](https://leetcode.com/problems/odd-even-linked-list/)|[Python](./Python/328.md)|||Medium|
|330|[Patching Array](https://leetcode.com/problems/patching-array/)|[Python](./Python/330.md)|||Hard|
|334|[Increasing Triplet Subsequence](https://leetcode.com/problems/increasing-triplet-subsequence/)|[Python](./Python/334.md)|||Easy|
|335|[Self Crossing](https://leetcode.com/problems/self-crossing/)|[Python](./Python/335.md)|||Hard|
|337|[House Robber III](https://leetcode.com/problems/house-robber-iii/)|[Python](./Python/337.md)|||Medium|
|338|[Counting Bits](https://leetcode.com/problems/counting-bits/)|[Python](./Python/338.md)|||Medium|
|341|[Flatten Nested List Iterator](https://leetcode.com/problems/flatten-nested-list-iterator/)|[Python](./Python/341.md)|||Easy|
|343|[Integer Break](https://leetcode.com/problems/integer-break/)|[Python](./Python/343.md)|||Medium|
|344|[Reverse String](https://leetcode.com/problems/reverse-string/)|[Python](./Python/344.md)|[Java](./Java/344.md)|[C++](./C++/344.md)|Easy|
|345|[Reverse Vowels of a String](https://leetcode.com/problems/reverse-vowels-of-a-string/)|[Python](./Python/345.md)|||Easy|
|347|[Top K Frequent Elements](https://leetcode.com/problems/top-k-frequent-elements/)|[Python](./Python/347.md)|||Medium|
|349|[Intersection of Two Arrays](https://leetcode.com/problems/intersection-of-two-arrays/)|[Python](./Python/349.md)|||Easy|
|350|[Intersection of Two Arrays II](https://leetcode.com/problems/intersection-of-two-arrays-ii/)|[Python](./Python/350.md)|||Easy|
|352|[Data Stream as Disjoint Intervals](https://leetcode.com/problems/data-stream-as-disjoint-intervals/)|[Python](./Python/352.md)|||Hard|
|354|[Russian Doll Envelopes](https://leetcode.com/problems/russian-doll-envelopes/)|[Python](./Python/354.md)|||Hard|
|357|[Count Numbers with Unique Digits](https://leetcode.com/problems/count-numbers-with-unique-digits/)|[Python](./Python/357.md)|||Medium|
|363|[Max Sum of Rectangle No Larger Than K](https://leetcode.com/problems/max-sum-of-rectangle-no-larger-than-k/)|[Python](./Python/363.md)|||Hard|
|367|[Valid Perfect Square](https://leetcode.com/problems/valid-perfect-square/)|[Python](./Python/367.md)|||Easy|
|371|[Sum of Two Integers](https://leetcode.com/problems/sum-of-two-integers/)|[Python](./Python/371.md)|||Easy|
|372|[Super Pow](https://leetcode.com/problems/super-pow/)|[Python](./Python/372.md)|||Medium|
|373|[Find K Pairs with Smallest Sums](https://leetcode.com/problems/find-k-pairs-with-smallest-sums/)|[Python](./Python/373.md)|||Medium|
|375|[Guess Number Higher or Lower II](https://leetcode.com/problems/guess-number-higher-or-lower-ii/)|[Python](./Python/375.md)|||Medium|
|376|[Wiggle Subsequence](https://leetcode.com/problems/wiggle-subsequence/)|[Python](./Python/376.md)|||Medium|
|377|[Combination Sum IV](https://leetcode.com/problems/combination-sum-iv/)|[Python](./Python/377.md)|||Medium|
|380|[Insert Delete GetRandom O(1)](https://leetcode.com/problems/insert-delete-getrandom-o1/)|[Python](./Python/380.md)|||Medium|
|381|[Insert Delete GetRandom O(1) - Duplicates allowed](https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed/)|[Python](./Python/381.md)|||Hard|
|382|[Linked List Random Node](https://leetcode.com/problems/linked-list-random-node/)|[Python](./Python/382.md)|||Medium|
|383|[Ransom Note](https://leetcode.com/problems/ransom-note/)|[Python](./Python/383.md)|||Easy|
|384|[Shuffle an Array](https://leetcode.com/problems/shuffle-an-array/)|[Python](./Python/384.md)|||Medium|
|385|[Mini Parser](https://leetcode.com/problems/mini-parser/)|[Python](./Python/385.md)|||Medium|
|386|[Lexicographical Numbers](https://leetcode.com/problems/lexicographical-numbers/)|[Python](./Python/386.md)|||Medium|
|387|[First Unique Character in a String](https://leetcode.com/problems/first-unique-character-in-a-string/)|[Python](./Python/387.md)|||Easy|
|388|[Longest Absolute File Path](https://leetcode.com/problems/longest-absolute-file-path/)|[Python](./Python/388.md)|||Medium|
|389|[Find the Difference](https://leetcode.com/problems/find-the-difference/)|[Python](./Python/389.md)|||Easy|
|390|[Elimination Game](https://leetcode.com/problems/elimination-game/)|[Python](./Python/390.md)|||Medium|
|391|[Perfect Rectangle](https://leetcode.com/problems/perfect-rectangle/)|[Python](./Python/391.md)|||Hard|
|392|[Is Subsequence](https://leetcode.com/problems/is-subsequence/)|[Python](./Python/392.md)|||Easy|
|393|[UTF-8 Validation](https://leetcode.com/problems/utf-8-validation/)|[Python](./Python/393.md)|||Medium|
|394|[Decode String](https://leetcode.com/problems/decode-string/)|[Python](./Python/394.md)|||Medium|
|395|[Longest Substring with At Least K Repeating Characters](https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters/)|[Python](./Python/395.md)|||Medium|
|396|[Rotate Function](https://leetcode.com/problems/rotate-function/)|[Python](./Python/396.md)|||Medium|
|397|[Integer Replacement](https://leetcode.com/problems/integer-replacement/)|[Python](./Python/397.md)|||Medium|
|398|[Random Pick Index](https://leetcode.com/problems/random-pick-index/)|[Python](./Python/398.md)|||Medium|
|399|[Evaluate Division](https://leetcode.com/problems/evaluate-division/)|[Python](./Python/399.md)|||Medium|
|400|[Nth Digit](https://leetcode.com/problems/nth-digit/)|[Python](./Python/400.md)|||Medium|
|401|[Binary Watch](https://leetcode.com/problems/binary-watch/)|[Python](./Python/401.md)|[Java](./Java/401.md)|[C++](./C++/401.md)|Easy|
|402|[Remove K Digits](https://leetcode.com/problems/remove-k-digits/)|[Python](./Python/402.md)|||Medium|
|404|[Sum of Left Leaves](https://leetcode.com/problems/sum-of-left-leaves/)|[Python](./Python/404.md)|||Easy|
|405|[Convert a Number to Hexadecimal](https://leetcode.com/problems/convert-a-number-to-hexadecimal/)|[Python](./Python/405.md)|||Easy|
|406|[Queue Reconstruction by Height](https://leetcode.com/problems/queue-reconstruction-by-height/)|[Python](./Python/406.md)|||Medium|
|407|[Trapping Rain Water II](https://leetcode.com/problems/trapping-rain-water-ii/)|[Python](./Python/407.md)|||Hard|
|412|[Fizz Buzz](https://leetcode.com/problems/fizz-buzz/)|[Python](./Python/412.md)|||Easy|
|413|[Arithmetic Slices](https://leetcode.com/problems/arithmetic-slices/)|[Python](./Python/413.md)|||Medium|
|414|[Third Maximum Number](https://leetcode.com/problems/third-maximum-number/)|[Python](./Python/414.md)|||Easy|
|415|[Add Strings](https://leetcode.com/problems/add-strings/)|[Python](./Python/415.md)|||Easy|
|416|[Partition Equal Subset Sum](https://leetcode.com/problems/partition-equal-subset-sum/)|[Python](./Python/416.md)|||Medium|
|417|[Pacific Atlantic Water Flow](https://leetcode.com/problems/pacific-atlantic-water-flow/)|[Python](./Python/417.md)|||Medium|
|419|[Battleships in a Board](https://leetcode.com/problems/battleships-in-a-board/)|[Python](./Python/419.md)|||Medium|
|420|[Strong Password Checker](https://leetcode.com/problems/strong-password-checker/)|[Python](./Python/420.md)|||Hard|
|421|[Maximum XOR of Two Numbers in an Array](https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/)|[Python](./Python/421.md)|||Medium|
|423|[Reconstruct Original Digits from English](https://leetcode.com/problems/reconstruct-original-digits-from-english/)|[Python](./Python/423.md)|||Medium|
|424|[Longest Repeating Character Replacement](https://leetcode.com/problems/longest-repeating-character-replacement/)|[Python](./Python/424.md)|||Medium|
|426|[Convert Binary Search Tree to Sorted Doubly Linked List](https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list/)|[Python](./Python/426.md)|||Medium|
|427|[Construct Quad Tree](https://leetcode.com/problems/construct-quad-tree/)|[Python](./Python/427.md)|||Medium|
|429|[N-ary Tree Level Order Traversal](https://leetcode.com/problems/n-ary-tree-level-order-traversal/)|[Python](./Python/429.md)|||Medium|
|430|[Flatten a Multilevel Doubly Linked List](https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list/)|[Python](./Python/430.md)|||Medium|
|432|[All O`one Data Structure](https://leetcode.com/problems/all-oone-data-structure/)|[Python](./Python/432.md)|||Hard|
|433|[Minimum Genetic Mutation](https://leetcode.com/problems/minimum-genetic-mutation/)|[Python](./Python/433.md)|||Medium|
|434|[Number of Segments in a String](https://leetcode.com/problems/number-of-segments-in-a-string/)|[Python](./Python/434.md)|||Easy|
|435|[Non-overlapping Intervals](https://leetcode.com/problems/non-overlapping-intervals/)|[Python](./Python/435.md)|||Medium|
|436|[Find Right Interval](https://leetcode.com/problems/find-right-interval/)|[Python](./Python/436.md)|||Medium|
|437|[Path Sum III](https://leetcode.com/problems/path-sum-iii/)|[Python](./Python/437.md)|||Medium|
|438|[Find All Anagrams in a String](https://leetcode.com/problems/find-all-anagrams-in-a-string/)|[Python](./Python/438.md)|||Medium|
|440|[K-th Smallest in Lexicographical Order](https://leetcode.com/problems/k-th-smallest-in-lexicographical-order/)|[Python](./Python/440.md)|||Hard|
|441|[Arranging Coins](https://leetcode.com/problems/arranging-coins/)|[Python](./Python/441.md)|||Easy|
|442|[Find All Duplicates in an Array](https://leetcode.com/problems/find-all-duplicates-in-an-array/)|[Python](./Python/442.md)|||Medium|
|443|[String Compression](https://leetcode.com/problems/string-compression/)|[Python](./Python/443.md)|||Medium|
|445|[Add Two Numbers II](https://leetcode.com/problems/add-two-numbers-ii/)|[Python](./Python/445.md)|||Medium|
|446|[Arithmetic Slices II - Subsequence](https://leetcode.com/problems/arithmetic-slices-ii-subsequence/)|[Python](./Python/446.md)|||Hard|
|447|[Number of Boomerangs](https://leetcode.com/problems/number-of-boomerangs/)|[Python](./Python/447.md)|||Medium|
|448|[Find All Numbers Disappeared in an Array](https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/)|[Python](./Python/448.md)|||Easy|
|449|[Serialize and Deserialize BST](https://leetcode.com/problems/serialize-and-deserialize-bst/)|[Python](./Python/449.md)|||Medium|
|450|[Delete Node in a BST](https://leetcode.com/problems/delete-node-in-a-bst/)|[Python](./Python/450.md)|||Medium|
|451|[Sort Characters By Frequency](https://leetcode.com/problems/sort-characters-by-frequency/)|[Python](./Python/451.md)|[Java](./Java/451.md)|[C++](./C++/451.md)|Easy|
|452|[Minimum Number of Arrows to Burst Balloons](https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons/)|[Python](./Python/452.md)|||Medium|
|453|[Minimum Moves to Equal Array Elements](https://leetcode.com/problems/minimum-moves-to-equal-array-elements/)|[Python](./Python/453.md)|||Easy|
|454|[4Sum II](https://leetcode.com/problems/4sum-ii/)|[Python](./Python/454.md)|||Medium|
|455|[Assign Cookies](https://leetcode.com/problems/assign-cookies/)|[Python](./Python/455.md)|||Easy|
|457|[Circular Array Loop](https://leetcode.com/problems/circular-array-loop/)|[Python](./Python/457.md)|||Medium|
|458|[Poor Pigs](https://leetcode.com/problems/poor-pigs/)|[Python](./Python/458.md)|||Hard|
|459|[Repeated Substring Pattern](https://leetcode.com/problems/repeated-substring-pattern/)|[Python](./Python/459.md)|||Easy|
|460|[LFU Cache](https://leetcode.com/problems/lfu-cache/)|[Python](./Python/460.md)|||Hard|
|461|[Hamming Distance](https://leetcode.com/problems/hamming-distance/)|[Python](./Python/461.md)|||Easy|
|462|[Minimum Moves to Equal Array Elements II](https://leetcode.com/problems/minimum-moves-to-equal-array-elements-ii/)|[Python](./Python/462.md)|||Medium|
|463|[Island Perimeter](https://leetcode.com/problems/island-perimeter/)|[Python](./Python/463.md)|||Easy|
|464|[Can I Win](https://leetcode.com/problems/can-i-win/)|[Python](./Python/464.md)|||Medium|
|467|[Unique Substrings in Wraparound String](https://leetcode.com/problems/unique-substrings-in-wraparound-string/)|[Python](./Python/467.md)|||Medium|
|468|[Validate IP Address](https://leetcode.com/problems/validate-ip-address/)|[Python](./Python/468.md)|||Medium|
|470|[Implement Rand10() Using Rand7()](https://leetcode.com/problems/implement-rand10-using-rand7/)|[Python](./Python/470.md)|||Medium|
|472|[Concatenated Words](https://leetcode.com/problems/concatenated-words/)|[Python](./Python/472.md)|||Hard|
|473|[Matchsticks to Square](https://leetcode.com/problems/matchsticks-to-square/)|[Python](./Python/473.md)|||Medium|
|474|[Ones and Zeroes](https://leetcode.com/problems/ones-and-zeroes/)|[Python](./Python/474.md)|[Java](./Java/474.md)|[C++](./C++/474.md)|Medium|
|475|[Heaters](https://leetcode.com/problems/heaters/)|[Python](./Python/475.md)|||Medium|
|476|[Number Complement](https://leetcode.com/problems/number-complement/)|[Python](./Python/476.md)|||Easy|
|478|[Generate Random Point in a Circle](https://leetcode.com/problems/generate-random-point-in-a-circle/)|[Python](./Python/478.md)|||Medium|
|479|[Largest Palindrome Product](https://leetcode.com/problems/largest-palindrome-product/)|[Python](./Python/479.md)|||Hard|
|480|[Sliding Window Median](https://leetcode.com/problems/sliding-window-median/)|[Python](./Python/480.md)|||Hard|
|481|[Magical String](https://leetcode.com/problems/magical-string/)|[Python](./Python/481.md)|||Medium|
|482|[License Key Formatting](https://leetcode.com/problems/license-key-formatting/)|[Python](./Python/482.md)|||Easy|
|485|[Max Consecutive Ones](https://leetcode.com/problems/max-consecutive-ones/)|[Python](./Python/485.md)|||Easy|
|488|[Zuma Game](https://leetcode.com/problems/zuma-game/)|[Python](./Python/488.md)|||Hard|
|492|[Construct the Rectangle](https://leetcode.com/problems/construct-the-rectangle/)|[Python](./Python/492.md)|||Easy|
|493|[Reverse Pairs](https://leetcode.com/problems/reverse-pairs/)|[Python](./Python/493.md)|||Hard|
|494|[Target Sum](https://leetcode.com/problems/target-sum/)|[Python](./Python/494.md)|||Medium|
|495|[Teemo Attacking](https://leetcode.com/problems/teemo-attacking/)|[Python](./Python/495.md)|||Easy|
|496|[Next Greater Element I](https://leetcode.com/problems/next-greater-element-i/)|[Python](./Python/496.md)|||Easy|
|497|[Random Point in Non-overlapping Rectangles](https://leetcode.com/problems/random-point-in-non-overlapping-rectangles/)|[Python](./Python/497.md)|||Medium|
|498|[Diagonal Traverse](https://leetcode.com/problems/diagonal-traverse/)|[Python](./Python/498.md)|||Easy|
|500|[Keyboard Row](https://leetcode.com/problems/keyboard-row/)|[Python](./Python/500.md)|||Easy|
|501|[Find Mode in Binary Search Tree](https://leetcode.com/problems/find-mode-in-binary-search-tree/)|[Python](./Python/501.md)|[Java](./Java/501.md)|[C++](./C++/501.md)|Easy|
|502|[IPO](https://leetcode.com/problems/ipo/)|[Python](./Python/502.md)|||Hard|
|503|[Next Greater Element II](https://leetcode.com/problems/next-greater-element-ii/)|[Python](./Python/503.md)|||Medium|
|504|[Base 7](https://leetcode.com/problems/base-7/)|[Python](./Python/504.md)|||Easy|
|506|[Relative Ranks](https://leetcode.com/problems/relative-ranks/)|[Python](./Python/506.md)|||Easy|
|507|[Perfect Number](https://leetcode.com/problems/perfect-number/)|[Python](./Python/507.md)|||Easy|
|508|[Most Frequent Subtree Sum](https://leetcode.com/problems/most-frequent-subtree-sum/)|[Python](./Python/508.md)|||Medium|
|509|[Fibonacci Number](https://leetcode.com/problems/fibonacci-number/)|[Python](./Python/509.md)|||Easy|
|513|[Find Bottom Left Tree Value](https://leetcode.com/problems/find-bottom-left-tree-value/)|[Python](./Python/513.md)|||Medium|
|514|[Freedom Trail](https://leetcode.com/problems/freedom-trail/)|[Python](./Python/514.md)|||Hard|
|515|[Find Largest Value in Each Tree Row](https://leetcode.com/problems/find-largest-value-in-each-tree-row/)|[Python](./Python/515.md)|||Medium|
|516|[Longest Palindromic Subsequence](https://leetcode.com/problems/longest-palindromic-subsequence/)|[Python](./Python/516.md)|||Medium|
|517|[Super Washing Machines](https://leetcode.com/problems/super-washing-machines/)|[Python](./Python/517.md)|||Medium|
|518|[Coin Change 2](https://leetcode.com/problems/coin-change-2/)|[Python](./Python/518.md)|||Medium|
|519|[Random Flip Matrix](https://leetcode.com/problems/random-flip-matrix/)|[Python](./Python/519.md)|||Medium|
|520|[Detect Capital](https://leetcode.com/problems/detect-capital/)|[Python](./Python/520.md)|||Easy|
|521|[Longest Uncommon Subsequence I](https://leetcode.com/problems/longest-uncommon-subsequence-i/)|[Python](./Python/521.md)|||Easy|
|522|[Longest Uncommon Subsequence II](https://leetcode.com/problems/longest-uncommon-subsequence-ii/)|[Python](./Python/522.md)|||Medium|
|524|[Longest Word in Dictionary through Deleting](https://leetcode.com/problems/longest-word-in-dictionary-through-deleting/)|[Python](./Python/524.md)|||Medium|
|526|[Beautiful Arrangement](https://leetcode.com/problems/beautiful-arrangement/)|[Python](./Python/526.md)|||Medium|
|528|[Random Pick with Weight](https://leetcode.com/problems/random-pick-with-weight/)|[Python](./Python/528.md)|||Medium|
|530|[Minimum Absolute Difference in BST](https://leetcode.com/problems/minimum-absolute-difference-in-bst/)|[Python](./Python/530.md)|||Easy|
|532|[K-diff Pairs in an Array](https://leetcode.com/problems/k-diff-pairs-in-an-array/)|[Python](./Python/532.md)|||Medium|
|535|[Encode and Decode TinyURL](https://leetcode.com/problems/encode-and-decode-tinyurl/)|[Python](./Python/535.md)|||Medium|
|537|[Complex Number Multiplication](https://leetcode.com/problems/complex-number-multiplication/)|[Python](./Python/537.md)|||Medium|
|538|[Convert BST to Greater Tree](https://leetcode.com/problems/convert-bst-to-greater-tree/)|[Python](./Python/538.md)|[Java](./Java/538.md)|[C++](./C++/538.md)|Easy|
|539|[Minimum Time Difference](https://leetcode.com/problems/minimum-time-difference/)|[Python](./Python/539.md)|||Medium|
|540|[Single Element in a Sorted Array](https://leetcode.com/problems/single-element-in-a-sorted-array/)|[Python](./Python/540.md)|||Medium|
|541|[Reverse String II](https://leetcode.com/problems/reverse-string-ii/)|[Python](./Python/541.md)|||Easy|
|542|[01 Matrix](https://leetcode.com/problems/01-matrix/)|[Python](./Python/542.md)|||Medium|
|543|[Diameter of Binary Tree](https://leetcode.com/problems/diameter-of-binary-tree/)|[Python](./Python/543.md)|||Easy|
|547|[Number of Provinces](https://leetcode.com/problems/number-of-provinces/)|[Python](./Python/547.md)|||Medium|
|551|[Student Attendance Record I](https://leetcode.com/problems/student-attendance-record-i/)|[Python](./Python/551.md)|||Easy|
|552|[Student Attendance Record II](https://leetcode.com/problems/student-attendance-record-ii/)|[Python](./Python/552.md)|||Hard|
|553|[Optimal Division](https://leetcode.com/problems/optimal-division/)|[Python](./Python/553.md)|||Medium|
|556|[Next Greater Element III](https://leetcode.com/problems/next-greater-element-iii/)|[Python](./Python/556.md)|||Medium|
|557|[Reverse Words in a String III](https://leetcode.com/problems/reverse-words-in-a-string-iii/)|[Python](./Python/557.md)|||Easy|
|558|[Logical OR of Two Binary Grids Represented as Quad-Trees](https://leetcode.com/problems/logical-or-of-two-binary-grids-represented-as-quad-trees/)|[Python](./Python/558.md)|||Medium|
|559|[Maximum Depth of N-ary Tree](https://leetcode.com/problems/maximum-depth-of-n-ary-tree/)|[Python](./Python/559.md)|||Easy|
|560|[Subarray Sum Equals K](https://leetcode.com/problems/subarray-sum-equals-k/)|[Python](./Python/560.md)|||Medium|
|561|[Array Partition I](https://leetcode.com/problems/array-partition-i/)|[Python](./Python/561.md)|||Easy|
|563|[Binary Tree Tilt](https://leetcode.com/problems/binary-tree-tilt/)|[Python](./Python/563.md)|||Easy|
|564|[Find the Closest Palindrome](https://leetcode.com/problems/find-the-closest-palindrome/)|[Python](./Python/564.md)|||Hard|
|565|[Array Nesting](https://leetcode.com/problems/array-nesting/)|[Python](./Python/565.md)|||Medium|
|566|[Reshape the Matrix](https://leetcode.com/problems/reshape-the-matrix/)|[Python](./Python/566.md)|||Easy|
|567|[Permutation in String](https://leetcode.com/problems/permutation-in-string/)|[Python](./Python/567.md)|||Medium|
|575|[Distribute Candies](https://leetcode.com/problems/distribute-candies/)|[Python](./Python/575.md)|||Easy|
|576|[Out of Boundary Paths](https://leetcode.com/problems/out-of-boundary-paths/)|[Python](./Python/576.md)|||Medium|
|581|[Shortest Unsorted Continuous Subarray](https://leetcode.com/problems/shortest-unsorted-continuous-subarray/)|[Python](./Python/581.md)|||Medium|
|583|[Delete Operation for Two Strings](https://leetcode.com/problems/delete-operation-for-two-strings/)|[Python](./Python/583.md)|||Medium|
|587|[Erect the Fence](https://leetcode.com/problems/erect-the-fence/)|[Python](./Python/587.md)|||Hard|
|590|[N-ary Tree Postorder Traversal](https://leetcode.com/problems/n-ary-tree-postorder-traversal/)|[Python](./Python/590.md)|||Easy|
|591|[Tag Validator](https://leetcode.com/problems/tag-validator/)|[Python](./Python/591.md)|||Hard|
|592|[Fraction Addition and Subtraction](https://leetcode.com/problems/fraction-addition-and-subtraction/)|[Python](./Python/592.md)|||Medium|
|593|[Valid Square](https://leetcode.com/problems/valid-square/)|[Python](./Python/593.md)|||Medium|
|594|[Longest Harmonious Subsequence](https://leetcode.com/problems/longest-harmonious-subsequence/)|[Python](./Python/594.md)|||Easy|
|598|[Range Addition II](https://leetcode.com/problems/range-addition-ii/)|[Python](./Python/598.md)|||Easy|
|599|[Minimum Index Sum of Two Lists](https://leetcode.com/problems/minimum-index-sum-of-two-lists/)|[Python](./Python/599.md)|||Easy|
|600|[Non-negative Integers without Consecutive Ones](https://leetcode.com/problems/non-negative-integers-without-consecutive-ones/)|[Python](./Python/600.md)|||Hard|
|605|[Can Place Flowers](https://leetcode.com/problems/can-place-flowers/)|[Python](./Python/605.md)|||Easy|
|606|[Construct String from Binary Tree](https://leetcode.com/problems/construct-string-from-binary-tree/)|[Python](./Python/606.md)|||Easy|
|611|[Valid Triangle Number](https://leetcode.com/problems/valid-triangle-number/)|[Python](./Python/611.md)|||Medium|
|617|[Merge Two Binary Trees](https://leetcode.com/problems/merge-two-binary-trees/)|[Python](./Python/617.md)|[Java](./Java/617.md)|[C++](./C++/617.md)|Easy|
|621|[Task Scheduler](https://leetcode.com/problems/task-scheduler/)|[Python](./Python/621.md)|||Medium|
|622|[Design Circular Queue](https://leetcode.com/problems/design-circular-queue/)|[Python](./Python/622.md)|||Medium|
|623|[Add One Row to Tree](https://leetcode.com/problems/add-one-row-to-tree/)|[Python](./Python/623.md)|||Medium|
|628|[Maximum Product of Three Numbers](https://leetcode.com/problems/maximum-product-of-three-numbers/)|[Python](./Python/628.md)|||Easy|
|629|[K Inverse Pairs Array](https://leetcode.com/problems/k-inverse-pairs-array/)|[Python](./Python/629.md)|||Hard|
|630|[Course Schedule III](https://leetcode.com/problems/course-schedule-iii/)|[Python](./Python/630.md)|||Hard|
|636|[Exclusive Time of Functions](https://leetcode.com/problems/exclusive-time-of-functions/)|[Python](./Python/636.md)|||Medium|
|637|[Average of Levels in Binary Tree](https://leetcode.com/problems/average-of-levels-in-binary-tree/)|[Python](./Python/637.md)|||Easy|
|638|[Shopping Offers](https://leetcode.com/problems/shopping-offers/)|[Python](./Python/638.md)|||Medium|
|639|[Decode Ways II](https://leetcode.com/problems/decode-ways-ii/)|[Python](./Python/639.md)|||Hard|
|640|[Solve the Equation](https://leetcode.com/problems/solve-the-equation/)|[Python](./Python/640.md)|||Medium|
|641|[Design Circular Deque](https://leetcode.com/problems/design-circular-deque/)|[Python](./Python/641.md)|||Medium|
|643|[Maximum Average Subarray I](https://leetcode.com/problems/maximum-average-subarray-i/)|[Python](./Python/643.md)|||Easy|
|645|[Set Mismatch](https://leetcode.com/problems/set-mismatch/)|[Python](./Python/645.md)|[Java](./Java/645.md)|[C++](./C++/645.md)|Easy|
|646|[Maximum Length of Pair Chain](https://leetcode.com/problems/maximum-length-of-pair-chain/)|[Python](./Python/646.md)|||Medium|
|647|[Palindromic Substrings](https://leetcode.com/problems/palindromic-substrings/)|[Python](./Python/647.md)|||Medium|
|648|[Replace Words](https://leetcode.com/problems/replace-words/)|[Python](./Python/648.md)|||Medium|
|649|[Dota2 Senate](https://leetcode.com/problems/dota2-senate/)|[Python](./Python/649.md)|||Medium|
|650|[2 Keys Keyboard](https://leetcode.com/problems/2-keys-keyboard/)|[Python](./Python/650.md)|||Medium|
|652|[Find Duplicate Subtrees](https://leetcode.com/problems/find-duplicate-subtrees/)|[Python](./Python/652.md)|||Medium|
|653|[Two Sum IV - Input is a BST](https://leetcode.com/problems/two-sum-iv-input-is-a-bst/)|[Python](./Python/653.md)|||Easy|
|654|[Maximum Binary Tree](https://leetcode.com/problems/maximum-binary-tree/)|[Python](./Python/654.md)|||Medium|
|655|[Print Binary Tree](https://leetcode.com/problems/print-binary-tree/)|[Python](./Python/655.md)|||Medium|
|658|[Find K Closest Elements](https://leetcode.com/problems/find-k-closest-elements/)|[Python](./Python/658.md)|||Medium|
|659|[Split Array into Consecutive Subsequences](https://leetcode.com/problems/split-array-into-consecutive-subsequences/)|[Python](./Python/659.md)|||Medium|
|661|[Image Smoother](https://leetcode.com/problems/image-smoother/)|[Python](./Python/661.md)|||Easy|
|662|[Maximum Width of Binary Tree](https://leetcode.com/problems/maximum-width-of-binary-tree/)|[Python](./Python/662.md)|||Medium|
|664|[Strange Printer](https://leetcode.com/problems/strange-printer/)|[Python](./Python/664.md)|||Hard|
|665|[Non-decreasing Array](https://leetcode.com/problems/non-decreasing-array/)|[Python](./Python/665.md)|||Easy|
|667|[Beautiful Arrangement II](https://leetcode.com/problems/beautiful-arrangement-ii/)|[Python](./Python/667.md)|||Medium|
|668|[Kth Smallest Number in Multiplication Table](https://leetcode.com/problems/kth-smallest-number-in-multiplication-table/)|[Python](./Python/668.md)|||Hard|
|669|[Trim a Binary Search Tree](https://leetcode.com/problems/trim-a-binary-search-tree/)|[Python](./Python/669.md)|||Medium|
|670|[Maximum Swap](https://leetcode.com/problems/maximum-swap/)|[Python](./Python/670.md)|||Medium|
|672|[Bulb Switcher II](https://leetcode.com/problems/bulb-switcher-ii/)|[Python](./Python/672.md)|||Medium|
|673|[Number of Longest Increasing Subsequence](https://leetcode.com/problems/number-of-longest-increasing-subsequence/)|[Python](./Python/673.md)|||Medium|
|674|[Longest Continuous Increasing Subsequence](https://leetcode.com/problems/longest-continuous-increasing-subsequence/)|[Python](./Python/674.md)|||Easy|
|675|[Cut Off Trees for Golf Event](https://leetcode.com/problems/cut-off-trees-for-golf-event/)|[Python](./Python/675.md)|||Hard|
|676|[Implement Magic Dictionary](https://leetcode.com/problems/implement-magic-dictionary/)|[Python](./Python/676.md)|||Medium|
|677|[Map Sum Pairs](https://leetcode.com/problems/map-sum-pairs/)|[Python](./Python/677.md)|||Medium|
|678|[Valid Parenthesis String](https://leetcode.com/problems/valid-parenthesis-string/)|[Python](./Python/678.md)|||Medium|
|682|[Redundant Connection](https://leetcode.com/problems/redundant-connection/)|[Python](./Python/682.md)|||Medium|
|684|[Baseball Game](https://leetcode.com/problems/baseball-game/)|[Python](./Python/684.md)|||Easy|
|685|[Redundant Connection II](https://leetcode.com/problems/redundant-connection-ii/)|[Python](./Python/685.md)|||Hard|
|686|[Repeated String Match](https://leetcode.com/problems/repeated-string-match/)|[Python](./Python/686.md)|||Medium|
|687|[Longest Univalue Path](https://leetcode.com/problems/longest-univalue-path/)|[Python](./Python/687.md)|||Medium|
|688|[Knight Probability in Chessboard](https://leetcode.com/problems/knight-probability-in-chessboard/)|[Python](./Python/688.md)|||Medium|
|689|[Maximum Sum of 3 Non-Overlapping Subarrays](https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays/)|[Python](./Python/689.md)|||Hard|
|691|[Stickers to Spell Word](https://leetcode.com/problems/stickers-to-spell-word/)|[Python](./Python/691.md)|||Hard|
|693|[Binary Number with Alternating Bits](https://leetcode.com/problems/binary-number-with-alternating-bits/)|[Python](./Python/693.md)|||Easy|
|695|[Max Area of Island](https://leetcode.com/problems/max-area-of-island/)|[Python](./Python/695.md)|||Medium|
|697|[Degree of an Array](https://leetcode.com/problems/degree-of-an-array/)|[Python](./Python/697.md)|||Easy|
|698|[Partition to K Equal Sum Subsets](https://leetcode.com/problems/partition-to-k-equal-sum-subsets/)|[Python](./Python/698.md)|||Medium|
|699|[Falling Squares](https://leetcode.com/problems/falling-squares/)|[Python](./Python/699.md)|||Hard|
|700|[Search in a Binary Search Tree](https://leetcode.com/problems/search-in-a-binary-search-tree/)|[Python](./Python/700.md)|[Java](./Java/700.md)|[C++](./C++/700.md)|Easy|
|701|[Insert into a Binary Search Tree](https://leetcode.com/problems/insert-into-a-binary-search-tree/)|[Python](./Python/701.md)|[Java](./Java/701.md)|[C++](./C++/701.md)|Medium|
|703|[Kth Largest Element in a Stream](https://leetcode.com/problems/kth-largest-element-in-a-stream/)|[Python](./Python/703.md)|||Easy|
|704|[Binary Search](https://leetcode.com/problems/binary-search/)|[Python](./Python/704.md)|||Easy|
|707|[Design Linked List](https://leetcode.com/problems/design-linked-list/)|[Python](./Python/707.md)|||Medium|
|709|[To Lower Case](https://leetcode.com/problems/to-lower-case/)|[Python](./Python/709.md)|||Easy|
|710|[Random Pick with Blacklist](https://leetcode.com/problems/random-pick-with-blacklist/)|[Python](./Python/710.md)|||Hard|
|713|[Subarray Product Less Than K](https://leetcode.com/problems/subarray-product-less-than-k/)|[Python](./Python/709.md)|||Medium|
|714|[Best Time to Buy and Sell Stock with Transaction Fee](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee/)|[Python](./Python/714.md)|||Medium|
|715|[Range Module](https://leetcode.com/problems/range-module/)|[Python](./Python/715.md)|||Hard|
|717|[1-bit and 2-bit Characters](https://leetcode.com/problems/1-bit-and-2-bit-characters/)|[Python](./Python/717.md)|||Easy|
|719|[Find K-th Smallest Pair Distance](https://leetcode.com/problems/find-k-th-smallest-pair-distance/)|[Python](./Python/719.md)|||Hard|
|720|[Longest Word in Dictionary](https://leetcode.com/problems/longest-word-in-dictionary/)|[Python](./Python/720.md)|||Easy|
|721|[Accounts Merge](https://leetcode.com/problems/accounts-merge/)|[Python](./Python/721.md)|||Medium|
|722|[Remove Comments](https://leetcode.com/problems/remove-comments/)|[Python](./Python/722.md)|||Medium|
|724|[Find Pivot Index](https://leetcode.com/problems/find-pivot-index/)|[Python](./Python/724.md)|||Easy|
|725|[Split Linked List in Parts](https://leetcode.com/problems/split-linked-list-in-parts/)|[Python](./Python/725.md)|||Medium|
|726|[Number of Atoms](https://leetcode.com/problems/number-of-atoms/)|[Python](./Python/726.md)|[Java](./Java/726.md)|[C++](./C++/726.md)|Hard|
|728|[Self Dividing Numbers](https://leetcode.com/problems/self-dividing-numbers/)|[Python](./Python/728.md)|||Medium|
|729|[My Calendar I](https://leetcode.com/problems/my-calendar-i/)|[Python](./Python/729.md)|||Medium|
|730|[Count Different Palindromic Subsequences](https://leetcode.com/problems/count-different-palindromic-subsequences/)|[Python](./Python/730.md)|||Hard|
|731|[My Calendar II](https://leetcode.com/problems/my-calendar-ii/)|[Python](./Python/731.md)|||Medium|
|732|[My Calendar III](https://leetcode.com/problems/my-calendar-iii/)|[Python](./Python/732.md)|||Hard|
|733|[Flood Fill](https://leetcode.com/problems/flood-fill/)|[Python](./Python/733.md)|||Easy|
|735|[Asteroid Collision](https://leetcode.com/problems/asteroid-collision/)|[Python](./Python/735.md)|||Medium|
|736|[Parse Lisp Expression](https://leetcode.com/problems/parse-lisp-expression/)|[Python](./Python/736.md)|||Hard|
|738|[Monotone Increasing Digits](https://leetcode.com/problems/monotone-increasing-digits/)|[Python](./Python/738.md)|||Medium|
|739|[Daily Temperatures](https://leetcode.com/problems/daily-temperatures/)|[Python](./Python/739.md)|||Medium|
|740|[Delete and Earn](https://leetcode.com/problems/delete-and-earn/)|[Python](./Python/740.md)|||Medium|
|741|[Cherry Pickup](https://leetcode.com/problems/cherry-pickup/)|[Python](./Python/741.md)|||Hard|
|743|[Network Delay Time](https://leetcode.com/problems/network-delay-time/)|[Python](./Python/743.md)|||Medium|
|744|[Find Smallest Letter Greater Than Target](https://leetcode.com/problems/find-smallest-letter-greater-than-target/)|[Python](./Python/743.md)|||Easy|
|745|[Prefix and Suffix Search](https://leetcode.com/problems/prefix-and-suffix-search/)|[Python](./Python/745.md)|||Hard|
|746|[Min Cost Climbing Stairs](https://leetcode.com/problems/min-cost-climbing-stairs/)|[Python](./Python/746.md)|||Easy|
|747|[Largest Number At Least Twice of Others](https://leetcode.com/problems/largest-number-at-least-twice-of-others/)|[Python](./Python/747.md)|||Easy|
|748|[Shortest Completing Word](https://leetcode.com/problems/shortest-completing-word/)|[Python](./Python/748.md)|||Easy|
|749|[Contain Virus](https://leetcode.com/problems/contain-virus/)|[Python](./Python/749.md)|||Hard|
|752|[Open the Lock](https://leetcode.com/problems/open-the-lock/)|[Python](./Python/752.md)|[Java](./Java/752.md)|[C++](./C++/752.md)|Medium|
|753|[Cracking the Safe](https://leetcode.com/problems/cracking-the-safe/)|[Python](./Python/753.md)|||Hard|
|754|[Reach a Number](https://leetcode.com/problems/reach-a-number/)|[Python](./Python/754.md)|||Medium|
|757|[Set Intersection Size At Least Two](https://leetcode.com/problems/set-intersection-size-at-least-two/)|[Python](./Python/757.md)|||Hard|
|761|[Special Binary String](https://leetcode.com/problems/special-binary-string/)|[Python](./Python/761.md)|||Hard|
|762|[Prime Number of Set Bits in Binary Representation](https://leetcode.com/problems/prime-number-of-set-bits-in-binary-representation/)|[Python](./Python/762.md)|||Easy|
|763|[Partition Labels](https://leetcode.com/problems/partition-labels/)|[Python](./Python/763.md)|||Medium|
|764|[Largest Plus Sign](https://leetcode.com/problems/largest-plus-sign/)|[Python](./Python/764.md)|||Medium|
|765|[Couples Holding Hands](https://leetcode.com/problems/couples-holding-hands/)|[Python](./Python/765.md)|||Hard|
|766|[Toeplitz Matrix](https://leetcode.com/problems/toeplitz-matrix/)|[Python](./Python/766.md)|||Easy|
|767|[Reorganize String](https://leetcode.com/problems/reorganize-string/)|[Python](./Python/767.md)|||Medium|
|768|[Max Chunks To Make Sorted II](https://leetcode.com/problems/max-chunks-to-make-sorted-ii/)|[Python](./Python/768.md)|||Medium|
|769|[Max Chunks To Make Sorted](https://leetcode.com/problems/max-chunks-to-make-sorted/)|[Python](./Python/769.md)|||Medium|
|771|[Jewels and Stones](https://leetcode.com/problems/jewels-and-stones/)|[Python](./Python/771.md)|[Java](./Java/771.md)|[C++](./C++/771.md)|Easy|
|773|[Sliding Puzzle](https://leetcode.com/problems/sliding-puzzle/)|[Python](./Python/773.md)|[Java](./Java/773.md)|[C++](./C++/773.md)|Hard|
|775|[Global and Local Inversions](https://leetcode.com/problems/global-and-local-inversions/)|[Python](./Python/775.md)|||Medium|
|777|[Swap Adjacent in LR String](https://leetcode.com/problems/swap-adjacent-in-lr-string/)|[Python](./Python/777.md)|||Medium|
|778|[Swim in Rising Water](https://leetcode.com/problems/swim-in-rising-water/)|[Python](./Python/778.md)|||Hard|
|779|[K-th Symbol in Grammar](https://leetcode.com/problems/k-th-symbol-in-grammar/)|[Python](./Python/779.md)|||Medium|
|780|[Reaching Points](https://leetcode.com/problems/reaching-points/)|[Python](./Python/780.md)|||Hard|
|782|[Transform to Chessboard](https://leetcode.com/problems/transform-to-chessboard/)|[Python](./Python/782.md)|||Hard|
|783|[Minimum Distance Between BST Nodes](https://leetcode.com/problems/minimum-distance-between-bst-nodes/)|[Python](./Python/783.md)|||Easy|
|784|[Letter Case Permutation](https://leetcode.com/problems/letter-case-permutation/)|[Python](./Python/784.md)|||Medium|
|785|[Is Graph Bipartite?](https://leetcode.com/problems/is-graph-bipartite/)|[Python](./Python/785.md)|||Medium|
|786|[K-th Smallest Prime Fraction](https://leetcode.com/problems/k-th-smallest-prime-fraction/)|[Python](./Python/786.md)|||Hard|
|787|[Cheapest Flights Within K Stops](https://leetcode.com/problems/cheapest-flights-within-k-stops/)|[Python](./Python/787.md)|||Medium|
|788|[Rotated Digits](https://leetcode.com/problems/rotated-digits/)|[Python](./Python/788.md)|||Medium|
|789|[Escape The Ghosts](https://leetcode.com/problems/escape-the-ghosts/)|[Python](./Python/789.md)|||Medium|
|790|[Domino and Tromino Tiling](https://leetcode.com/problems/domino-and-tromino-tiling/)|[Python](./Python/790.md)|||Medium|
|791|[Custom Sort String](https://leetcode.com/problems/custom-sort-string/)|[Python](./Python/791.md)|||Medium|
|792|[Number of Matching Subsequences](https://leetcode.com/problems/number-of-matching-subsequences/)|[Python](./Python/792.md)|||Medium|
|793|[Preimage Size of Factorial Zeroes Function](https://leetcode.com/problems/preimage-size-of-factorial-zeroes-function/)|[Python](./Python/793.md)|||Hard|
|794|[Valid Tic-Tac-Toe State](https://leetcode.com/problems/valid-tic-tac-toe-state/)|[Python](./Python/794.md)|||Medium|
|795|[Number of Subarrays with Bounded Maximum](https://leetcode.com/problems/number-of-subarrays-with-bounded-maximum/)|[Python](./Python/795.md)|||Medium|
|796|[Rotate String](https://leetcode.com/problems/rotate-string/)|[Python](./Python/796.md)|||Easy|
|797|[All Paths From Source to Target](https://leetcode.com/problems/all-paths-from-source-to-target/)|[Python](./Python/797.md)|||Medium|
|798|[Smallest Rotation with Highest Score](https://leetcode.com/problems/smallest-rotation-with-highest-score/)|[Python](./Python/797.md)|||Medium|
|799|[Champagne Tower](https://leetcode.com/problems/champagne-tower/)|[Python](./Python/799.md)|||Medium|
|801|[Minimum Swaps To Make Sequences Increasing](https://leetcode.com/problems/minimum-swaps-to-make-sequences-increasing/)|[Python](./Python/801.md)|||Hard|
|802|[Find Eventual Safe States](https://leetcode.com/problems/find-eventual-safe-states/)|[Python](./Python/802.md)|||Medium|
|803|[Bricks Falling When Hit](https://leetcode.com/problems/bricks-falling-when-hit/)|[Python](./Python/803.md)|||Hard|
|804|[Unique Morse Code Words](https://leetcode.com/problems/unique-morse-code-words/)|[Python](./Python/804.md)|||Easy|
|805|[Split Array With Same Average](https://leetcode.com/problems/split-array-with-same-average/)|[Python](./Python/805.md)|||Medium|
|806|[Number of Lines To Write String](https://leetcode.com/problems/number-of-lines-to-write-string/)|[Python](./Python/806.md)|||Easy|
|807|[Max Increase to Keep City Skyline](https://leetcode.com/problems/max-increase-to-keep-city-skyline/)|[Python](./Python/807.md)|||Medium|
|808|[Soup Servings](https://leetcode.com/problems/soup-servings/)|[Python](./Python/808.md)|||Medium|
|809|[Expressive Words](https://leetcode.com/problems/expressive-words/)|[Python](./Python/809.md)|||Medium|
|811|[Subdomain Visit Count](https://leetcode.com/problems/subdomain-visit-count/)|[Python](./Python/811.md)|||Medium|
|812|[Largest Triangle Area](https://leetcode.com/problems/largest-triangle-area/)|[Python](./Python/812.md)|||Easy|
|813|[Largest Sum of Averages](https://leetcode.com/problems/largest-sum-of-averages/)|[Python](./Python/813.md)|||Medium|
|814|[Binary Tree Pruning](https://leetcode.com/problems/binary-tree-pruning/)|[Python](./Python/814.md)|||Medium|
|815|[Bus Routes](https://leetcode.com/problems/bus-routes/)|[Python](./Python/815.md)|[Java](./Java/815.md)|[C++](./C++/815.md)|Hard|
|816|[Ambiguous Coordinates](https://leetcode.com/problems/ambiguous-coordinates/)|[Python](./Python/816.md)|||Medium|
|817|[Linked List Components](https://leetcode.com/problems/linked-list-components/)|[Python](./Python/817.md)|||Medium|
|819|[Most Common Word](https://leetcode.com/problems/most-common-word/)|[Python](./Python/819.md)|||Easy|
|821|[Shortest Distance to a Character](https://leetcode.com/problems/shortest-distance-to-a-character/)|[Python](./Python/821.md)|||Easy|
|822|[Card Flipping Game](https://leetcode.com/problems/card-flipping-game/)|[Python](./Python/822.md)|||Medium|
|823|[Binary Trees With Factors](https://leetcode.com/problems/binary-trees-with-factors/)|[Python](./Python/823.md)|||Medium|
|824|[Goat Latin](https://leetcode.com/problems/goat-latin/)|[Python](./Python/824.md)|||Easy|
|825|[Friends Of Appropriate Ages](https://leetcode.com/problems/friends-of-appropriate-ages/)|[Python](./Python/825.md)|||Medium|
|827|[Making A Large Island](https://leetcode.com/problems/making-a-large-island/)|[Python](./Python/827.md)|||Hard|
|828|[Count Unique Characters of All Substrings of a Given String](https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string/)|[Python](./Python/828.md)|||Hard|
|829|[Consecutive Numbers Sum](https://leetcode.com/problems/consecutive-numbers-sum/)|[Python](./Python/829.md)|||Hard|
|830|[Positions of Large Groups](https://leetcode.com/problems/positions-of-large-groups/)|[Python](./Python/830.md)|||Easy|
|831|[Masking Personal Information](https://leetcode.com/problems/masking-personal-information/)|[Python](./Python/831.md)|||Medium|
|832|[Flipping an Image](https://leetcode.com/problems/flipping-an-image/)|[Python](./Python/832.md)|||Easy|
|833|[Find And Replace in String](https://leetcode.com/problems/find-and-replace-in-string/)|[Python](./Python/833.md)|||Medium|
|834|[Sum of Distances in Tree](https://leetcode.com/problems/sum-of-distances-in-tree/)|[Python](./Python/834.md)|||Hard|
|838|[Push Dominoes](https://leetcode.com/problems/push-dominoes/)|[Python](./Python/838.md)|||Medium|
|839|[Similar String Groups](https://leetcode.com/problems/similar-string-groups/)|[Python](./Python/839.md)|||Hard|
|842|[Split Array into Fibonacci Sequence](https://leetcode.com/problems/split-array-into-fibonacci-sequence/)|[Python](./Python/842.md)|||Medium|
|844|[Backspace String Compare](https://leetcode.com/problems/backspace-string-compare/)|[Python](./Python/844.md)|||Easy|
|845|[Longest Mountain in Array](https://leetcode.com/problems/longest-mountain-in-array/)|[Python](./Python/845.md)|||Medium|
|846|[Hand of Straights](https://leetcode.com/problems/hand-of-straights/)|[Python](./Python/846.md)|||Medium|
|847|[Shortest Path Visiting All Nodes](https://leetcode.com/problems/shortest-path-visiting-all-nodes/)|[Python](./Python/847.md)|||Hard|
|849|[Maximize Distance to Closest Person](https://leetcode.com/problems/maximize-distance-to-closest-person/)|[Python](./Python/849.md)|||Medium|
|850|[Rectangle Area II](https://leetcode.com/problems/rectangle-area-ii/)|[Python](./Python/850.md)|||Hard|
|851|[Loud and Rich](https://leetcode.com/problems/loud-and-rich/)|[Python](./Python/851.md)|||Medium|
|854|[K-Similar Strings](https://leetcode.com/problems/k-similar-strings/)|[Python](./Python/854.md)|||Hard|
|855|[Exam Room](https://leetcode.com/problems/exam-room/)|[Python](./Python/855.md)|||Medium|
|856|[Score of Parentheses](https://leetcode.com/problems/score-of-parentheses/)|[Python](./Python/856.md)|||Medium|
|857|[Minimum Cost to Hire K Workers](https://leetcode.com/problems/minimum-cost-to-hire-k-workers/)|[Python](./Python/857.md)|||Hard|
|859|[Buddy Strings](https://leetcode.com/problems/buddy-strings/)|[Python](./Python/859.md)|||Easy|
|860|[Lemonade Change](https://leetcode.com/problems/lemonade-change/)|[Python](./Python/860.md)|||Easy|
|861|[Score After Flipping Matrix](https://leetcode.com/problems/score-after-flipping-matrix/)|[Python](./Python/861.md)|||Medium|
|862|[Shortest Subarray with Sum at Least K](https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k/)|[Python](./Python/862.md)|||Hard|
|864|[Shortest Path to Get All Keys](https://leetcode.com/problems/shortest-path-to-get-all-keys/)|[Python](./Python/864.md)|||Hard|
|865|[Smallest Subtree with all the Deepest Nodes](https://leetcode.com/problems/smallest-subtree-with-all-the-deepest-nodes/)|[Python](./Python/865.md)|||Medium|
|867|[Transpose Matrix](https://leetcode.com/problems/transpose-matrix/)|[Python](./Python/867.md)|||Easy|
|868|[Binary Gap](https://leetcode.com/problems/binary-gap/)|[Python](./Python/868.md)|||Easy|
|869|[Reordered Power of 2](https://leetcode.com/problems/reordered-power-of-2/)|[Python](./Python/869.md)|||Medium|
|870|[Advantage Shuffle](https://leetcode.com/problems/advantage-shuffle/)|[Python](./Python/870.md)|||Medium|
|871|[Minimum Number of Refueling Stops](https://leetcode.com/problems/minimum-number-of-refueling-stops/)|[Python](./Python/871.md)|||Hard|
|873|[Length of Longest Fibonacci Subsequence](https://leetcode.com/problems/length-of-longest-fibonacci-subsequence/)|[Python](./Python/873.md)|||Medium|
|874|[Walking Robot Simulation](https://leetcode.com/problems/walking-robot-simulation/)|[Python](./Python/874.md)|||Medium|
|875|[Koko Eating Bananas](https://leetcode.com/problems/koko-eating-bananas/)|[Python](./Python/875.md)|||Medium|
|876|[Middle of the Linked List](https://leetcode.com/problems/middle-of-the-linked-list/)|[Python](./Python/876.md)|||Easy|
|878|[Nth Magical Number](https://leetcode.com/problems/nth-magical-number/)|[Python](./Python/878.md)|||Hard|
|881|[Boats to Save People](https://leetcode.com/problems/boats-to-save-people/)|[Python](./Python/881.md)|||Medium|
|882|[Reachable Nodes In Subdivided Graph](https://leetcode.com/problems/reachable-nodes-in-subdivided-graph/)|[Python](./Python/882.md)|||Hard|
|883|[Projection Area of 3D Shapes](https://leetcode.com/problems/projection-area-of-3d-shapes/)|[Python](./Python/883.md)|||Easy|
|884|[Uncommon Words from Two Sentences](https://leetcode.com/problems/uncommon-words-from-two-sentences/)|[Python](./Python/884.md)|||Easy|
|885|[Spiral Matrix III](https://leetcode.com/problems/spiral-matrix-iii/)|[Python](./Python/885.md)|||Medium|
|886|[Possible Bipartition](https://leetcode.com/problems/possible-bipartition/)|[Python](./Python/886.md)|||Medium|
|888|[Fair Candy Swap](https://leetcode.com/problems/fair-candy-swap/)|[Python](./Python/888.md)|||Easy|
|890|[Find and Replace Pattern](https://leetcode.com/problems/find-and-replace-pattern/)|[Python](./Python/890.md)|||Medium|
|891|[Sum of Subsequence Widths](https://leetcode.com/problems/sum-of-subsequence-widths/)|[Python](./Python/891.md)|||Hard|
|895|[Maximum Frequency Stack](https://leetcode.com/problems/maximum-frequency-stack/)|[Python](./Python/895.md)|||Hard|
|896|[Monotonic Array](https://leetcode.com/problems/monotonic-array/)|[Python](./Python/896.md)|||Easy|
|899|[Orderly Queue](https://leetcode.com/problems/orderly-queue/)|[Python](./Python/899.md)|||Hard|
|901|[Online Stock Span](https://leetcode.com/problems/online-stock-span/)|[Python](./Python/901.md)|||Medium|
|902|[Numbers At Most N Given Digit Set](https://leetcode.com/problems/numbers-at-most-n-given-digit-set/)|[Python](./Python/902.md)|||Hard|
|904|[Fruit Into Baskets](https://leetcode.com/problems/fruit-into-baskets/)|[Python](./Python/904.md)|||Medium|
|905|[Sort Array By Parity](https://leetcode.com/problems/sort-array-by-parity/)|[Python](./Python/905.md)|||Easy|
|907|[Sum of Subarray Minimums](https://leetcode.com/problems/sum-of-subarray-minimums/)|[Python](./Python/907.md)|||Medium|
|908|[Smallest Range I](https://leetcode.com/problems/smallest-range-i/)|[Python](./Python/908.md)|||Easy|
|909|[Snakes and Ladders](https://leetcode.com/problems/snakes-and-ladders/)|[Python](./Python/909.md)|[Java](./Java/909.md)|[C++](./C++/909.md)|Medium|
|910|[Smallest Range II](https://leetcode.com/problems/smallest-range-ii/)|[Python](./Python/910.md)|||Medium|
|911|[Online Election](https://leetcode.com/problems/online-election/)|[Python](./Python/911.md)|||Medium|
|913|[Cat and Mouse](https://leetcode.com/problems/cat-and-mouse/)|[Python](./Python/913.md)|||Hard|
|915|[Partition Array into Disjoint Intervals](https://leetcode.com/problems/partition-array-into-disjoint-intervals/)|[Python](./Python/915.md)|||Medium|
|917|[Reverse Only Letters](https://leetcode.com/problems/reverse-only-letters/)|[Python](./Python/917.md)|||Easy|
|918|[Maximum Sum Circular Subarray](https://leetcode.com/problems/maximum-sum-circular-subarray/)|[Python](./Python/918.md)|||Medium|
|919|[Complete Binary Tree Inserter](https://leetcode.com/problems/complete-binary-tree-inserter/)|[Python](./Python/919.md)|||Medium|
|921|[Minimum Add to Make Parentheses Valid](https://leetcode.com/problems/minimum-add-to-make-parentheses-valid/)|[Python](./Python/921.md)|||Medium|
|922|[Sort Array By Parity II](https://leetcode.com/problems/sort-array-by-parity-ii/)|[Python](./Python/922.md)|||Easy|
|925|[Long Pressed Name](https://leetcode.com/problems/long-pressed-name/)|[Python](./Python/925.md)|||Easy|
|926|[Flip String to Monotone Increasing](https://leetcode.com/problems/flip-string-to-monotone-increasing/)|[Python](./Python/926.md)|||Medium|
|927|[Three Equal Parts](https://leetcode.com/problems/three-equal-parts/)|[Python](./Python/927.md)|||Hard|
|929|[Unique Email Addresses](https://leetcode.com/problems/unique-email-addresses/)|[Python](./Python/929.md)|||Easy|
|930|[Binary Subarrays With Sum](https://leetcode.com/problems/binary-subarrays-with-sum/)|[Python](./Python/930.md)|[Java](./Java/930.md)|[C++](./C++/930.md)|Medium|
|931|[Minimum Falling Path Sum](https://leetcode.com/problems/minimum-falling-path-sum/)|[Python](./Python/931.md)|||Medium|
|933|[Number of Recent Calls](https://leetcode.com/problems/number-of-recent-calls/)|[Python](./Python/933.md)|||Easy|
|934|[Shortest Bridge](https://leetcode.com/problems/shortest-bridge/)|[Python](./Python/934.md)|||Hard|
|937|[Reorder Data in Log Files](https://leetcode.com/problems/reorder-data-in-log-files/)|[Python](./Python/937.md)|||Easy|
|940|[Distinct Subsequences II](https://leetcode.com/problems/distinct-subsequences-ii/)|[Python](./Python/940.md)|||Hard|
|941|[Valid Mountain Array](https://leetcode.com/problems/valid-mountain-array/)|[Python](./Python/941.md)|||Easy|
|942|[DI String Match](https://leetcode.com/problems/di-string-match/)|[Python](./Python/942.md)|||Easy|
|944|[Delete Columns to Make Sorted](https://leetcode.com/problems/delete-columns-to-make-sorted/)|[Python](./Python/944.md)|||Easy|
|946|[Validate Stack Sequences](https://leetcode.com/problems/validate-stack-sequences/)|[Python](./Python/946.md)|||Easy|
|947|[Most Stones Removed with Same Row or Column](https://leetcode.com/problems/most-stones-removed-with-same-row-or-column/)|[Python](./Python/947.md)|||Medium|
|952|[Largest Component Size by Common Factor](https://leetcode.com/problems/largest-component-size-by-common-factor/)|[Python](./Python/952.md)|||Hard|
|953|[Verifying an Alien Dictionary](https://leetcode.com/problems/verifying-an-alien-dictionary/)|[Python](./Python/953.md)|||Easy|
|954|[Array of Doubled Pairs](https://leetcode.com/problems/array-of-doubled-pairs/)|[Python](./Python/954.md)|||Medium|
|959|[Regions Cut By Slashes](https://leetcode.com/problems/regions-cut-by-slashes/)|[Python](./Python/959.md)|||Medium|
|961|[N-Repeated Element in Size 2N Array](https://leetcode.com/problems/n-repeated-element-in-size-2n-array/)|[Python](./Python/961.md)|||Easy|
|962|[Maximum Width Ramp](https://leetcode.com/problems/maximum-width-ramp/)|[Python](./Python/962.md)|||Medium|
|963|[Minimum Area Rectangle II](https://leetcode.com/problems/minimum-area-rectangle-ii/)|[Python](./Python/963.md)|||Medium|
|964|[Least Operators to Express Number](https://leetcode.com/problems/least-operators-to-express-number/)|[Python](./Python/964.md)|||Hard|
|965|[Univalued Binary Tree](https://leetcode.com/problems/univalued-binary-tree/)|[Python](./Python/965.md)|||Easy|
|966|[Vowel Spellchecker](https://leetcode.com/problems/vowel-spellchecker/)|[Python](./Python/966.md)|||Medium|
|967|[Numbers With Same Consecutive Differences](https://leetcode.com/problems/numbers-with-same-consecutive-differences/)|[Python](./Python/967.md)|||Medium|
|968|[Binary Tree Cameras](https://leetcode.com/problems/binary-tree-cameras/)|[Python](./Python/968.md)|||Hard|
|969|[Pancake Sorting](https://leetcode.com/problems/pancake-sorting/)|[Python](./Python/969.md)|||Medium|
|970|[Powerful Integers](https://leetcode.com/problems/powerful-integers/)|[Python](./Python/970.md)|||Easy|
|971|[Flip Binary Tree To Match Preorder Traversal](https://leetcode.com/problems/flip-binary-tree-to-match-preorder-traversal/)|[Python](./Python/971.md)|||Medium|
|972|[Equal Rational Numbers](https://leetcode.com/problems/equal-rational-numbers/)|[Python](./Python/972.md)|||Hard|
|973|[K Closest Points to Origin](https://leetcode.com/problems/k-closest-points-to-origin/)|[Python](./Python/973.md)|||Easy|
|974|[Subarray Sums Divisible by K](https://leetcode.com/problems/subarray-sums-divisible-by-k/)|[Python](./Python/974.md)|||Medium|
|975|[Odd Even Jump](https://leetcode.com/problems/odd-even-jump/)|[Python](./Python/975.md)|||Hard|
|976|[Largest Perimeter Triangle](https://leetcode.com/problems/largest-perimeter-triangle/)|[Python](./Python/976.md)|||Easy|
|977|[Squares of a Sorted Array](https://leetcode.com/problems/squares-of-a-sorted-array/)|[Python](./Python/977.md)|||Easy|
|978|[Longest Turbulent Subarray](https://leetcode.com/problems/longest-turbulent-subarray/)|[Python](./Python/978.md)|||Medium|
|979|[Distribute Coins in Binary Tree](https://leetcode.com/problems/distribute-coins-in-binary-tree/)|[Python](./Python/979.md)|||Medium|
|980|[Unique Paths III](https://leetcode.com/problems/unique-paths-iii/)|[Python](./Python/980.md)|||Hard|
|981|[Time Based Key-Value Store](https://leetcode.com/problems/time-based-key-value-store/)|[Python](./Python/981.md)|[Java](./Java/981.md)|[C++](./C++/981.md)|Medium|
|982|[Triples with Bitwise AND Equal To Zero](https://leetcode.com/problems/triples-with-bitwise-and-equal-to-zero/)|[Python](./Python/982.md)|||Hard|
|983|[Minimum Cost For Tickets](https://leetcode.com/problems/minimum-cost-for-tickets/)|[Python](./Python/983.md)|||Medium|
|984|[String Without AAA or BBB](https://leetcode.com/problems/string-without-aaa-or-bbb/)|[Python](./Python/984.md)|||Easy|
|985|[Sum of Even Numbers After Queries](https://leetcode.com/problems/sum-of-even-numbers-after-queries/)|[Python](./Python/985.md)|||Easy|
|986|[Interval List Intersections](https://leetcode.com/problems/interval-list-intersections/)|[Python](./Python/986.md)|||Medium|
|987|[Vertical Order Traversal of a Binary Tree](https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree/)|[Python](./Python/987.md)|||Medium|
|988|[Smallest String Starting From Leaf](https://leetcode.com/problems/smallest-string-starting-from-leaf/)|[Python](./Python/988.md)|||Medium|
|989|[Add to Array-Form of Integer](https://leetcode.com/problems/add-to-array-form-of-integer/)|[Python](./Python/989.md)|||Easy|
|994|[Rotting Oranges](https://leetcode.com/problems/rotting-oranges/)|[Python](./Python/994.md)|||Medium|
|995|[Minimum Number of K Consecutive Bit Flips](https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips/)|[Python](./Python/995.md)|||Hard|
|992|[Subarrays with K Different Integers](https://leetcode.com/problems/subarrays-with-k-different-integers/)|[Python](./Python/992.md)|||Hard|
|997|[Find the Town Judge](https://leetcode.com/problems/find-the-town-judge/)|[Python](./Python/997.md)|||Easy|
|998|[Maximum Binary Tree II](https://leetcode.com/problems/maximum-binary-tree-ii/)|[Python](./Python/998.md)|||Medium|
|999|[Available Captures for Rook](https://leetcode.com/problems/available-captures-for-rook/)|[Python](./Python/999.md)|||Easy|
|1000|[Minimum Cost to Merge Stones](https://leetcode.com/problems/minimum-cost-to-merge-stones/)|[Python](./Python/1000.md)|||Hard|
|1001|[Grid Illumination](https://leetcode.com/problems/grid-illumination/)|[Python](./Python/1001.md)|||Hard|
|1002|[Find Common Characters](https://leetcode.com/problems/find-common-characters/)|[Python](./Python/1002.md)|||Easy|
|1003|[Check If Word Is Valid After Substitutions](https://leetcode.com/problems/check-if-word-is-valid-after-substitutions/)|[Python](./Python/1003.md)|||Medium|
|1004|[Max Consecutive Ones III](https://leetcode.com/problems/max-consecutive-ones-iii/)|[Python](./Python/1004.md)|||Medium|
|1005|[Maximize Sum Of Array After K Negations](https://leetcode.com/problems/maximize-sum-of-array-after-k-negations/)|[Python](./Python/1005.md)|||Easy|
|1008|[Construct Binary Search Tree from Preorder Traversal](https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal/)|[Python](./Python/1008.md)|||Medium|
|1009|[Complement of Base 10 Integer](https://leetcode.com/problems/complement-of-base-10-integer/)|[Python](./Python/1009.md)|||Easy|
|1010|[Pairs of Songs With Total Durations Divisible by 60](https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60/)|[Python](./Python/1010.md)|||Medium|
|1012|[Numbers With Repeated Digits](https://leetcode.com/problems/numbers-with-repeated-digits/)|[Python](./Python/1012.md)|||Hard|
|1014|[Best Sightseeing Pair](https://leetcode.com/problems/best-sightseeing-pair/)|[Python](./Python/1014.md)|||Medium|
|1015|[Smallest Integer Divisible by K](https://leetcode.com/problems/smallest-integer-divisible-by-k/)|[Python](./Python/1015.md)|||Medium|
|1016|[Binary String With Substrings Representing 1 To N](https://leetcode.com/problems/binary-string-with-substrings-representing-1-to-n/)|[Python](./Python/1016.md)|||Medium|
|1017|[Convert to Base -2](https://leetcode.com/problems/convert-to-base-2/)|[Python](./Python/1017.md)|||Medium|
|1018|[Binary Prefix Divisible By 5](https://leetcode.com/problems/binary-prefix-divisible-by-5/)|[Python](./Python/1018.md)|||Easy|
|1019|[Next Greater Node In Linked List](https://leetcode.com/problems/next-greater-node-in-linked-list/)|[Python](./Python/1019.md)|||Medium|
|1020|[Number of Enclaves](https://leetcode.com/problems/number-of-enclaves/)|[Python](./Python/1020.md)|||Medium|
|1021|[Remove Outermost Parentheses](https://leetcode.com/problems/remove-outermost-parentheses/)|[Python](./Python/1021.md)|||Easy|
|1022|[Sum of Root To Leaf Binary Numbers](https://leetcode.com/problems/sum-of-root-to-leaf-binary-numbers/)|[Python](./Python/1022.md)|||Easy|
|1023|[Camelcase Matching](https://leetcode.com/problems/camelcase-matching/)|[Python](./Python/1023.md)|||Medium|
|1024|[Video Stitching](https://leetcode.com/problems/video-stitching/)|[Python](./Python/1024.md)|||Medium|
|1026|[Maximum Difference Between Node and Ancestor](https://leetcode.com/problems/maximum-difference-between-node-and-ancestor/)|[Python](./Python/1026.md)|||Medium|
|1027|[Longest Arithmetic Subsequence](https://leetcode.com/problems/longest-arithmetic-subsequence/)|[Python](./Python/1027.md)|||Medium|
|1030|[Matrix Cells in Distance Order](https://leetcode.com/problems/matrix-cells-in-distance-order/)|[Python](./Python/1030.md)|||Easy|
|1031|[Maximum Sum of Two Non-Overlapping Subarrays](https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays/)|[Python](./Python/1031.md)|||Medium|
|1032|[Stream of Characters](https://leetcode.com/problems/stream-of-characters/)|[Python](./Python/1032.md)|||Hard|
|1033|[Moving Stones Until Consecutive](https://leetcode.com/problems/moving-stones-until-consecutive/)|[Python](./Python/1033.md)|||Medium|
|1034|[Coloring A Border](https://leetcode.com/problems/coloring-a-border/)|[Python](./Python/1034.md)|||Medium|
|1035|[Uncrossed Lines](https://leetcode.com/problems/uncrossed-lines/)|[Python](./Python/1035.md)|||Medium|
|1036|[Escape a Large Maze](https://leetcode.com/problems/escape-a-large-maze/)|[Python](./Python/1036.md)|||Hard|
|1037|[Valid Boomerang](https://leetcode.com/problems/valid-boomerang/)|[Python](./Python/1037.md)|||Easy|
|1039|[Minimum Score Triangulation of Polygon](https://leetcode.com/problems/minimum-score-triangulation-of-polygon/)|[Python](./Python/1039.md)|||Medium|
|1040|[Moving Stones Until Consecutive II](https://leetcode.com/problems/moving-stones-until-consecutive-ii/)|[Python](./Python/1040.md)|||Medium|
|1041|[Robot Bounded In Circle](https://leetcode.com/problems/robot-bounded-in-circle/)|[Python](./Python/1041.md)|||Medium|
|1042|[Flower Planting With No Adjacent](https://leetcode.com/problems/flower-planting-with-no-adjacent/)|[Python](./Python/1042.md)|||Medium|
|1043|[Partition Array for Maximum Sum](https://leetcode.com/problems/partition-array-for-maximum-sum/)|[Python](./Python/1043.md)|||Medium|
|1044|[Longest Duplicate Substring](https://leetcode.com/problems/longest-duplicate-substring/)|[Python](./Python/1044.md)|||Hard|
|1046|[Last Stone Weight](https://leetcode.com/problems/last-stone-weight/)|[Python](./Python/1046.md)|||Easy|
|1048|[Longest String Chain](https://leetcode.com/problems/longest-string-chain/)|[Python](./Python/1048.md)|||Medium|
|1051|[Height Checker](https://leetcode.com/problems/height-checker/)|[Python](./Python/1051.md)|||Easy|
|1052|[Grumpy Bookstore Owner](https://leetcode.com/problems/grumpy-bookstore-owner/)|[Python](./Python/1052.md)|||Medium|
|1053|[Previous Permutation With One Swap](https://leetcode.com/problems/previous-permutation-with-one-swap/)|[Python](./Python/1053.md)|||Medium|
|1054|[Distant Barcodes](https://leetcode.com/problems/distant-barcodes/)|[Python](./Python/1054.md)|||Medium|
|1072|[Flip Columns For Maximum Number of Equal Rows](https://leetcode.com/problems/flip-columns-for-maximum-number-of-equal-rows/)|[Python](./Python/1072.md)|||Medium|
|1073|[Adding Two Negabinary Numbers](https://leetcode.com/problems/adding-two-negabinary-numbers/)|[Python](./Python/1073.md)|||Medium|
|1078|[Occurrences After Bigram](https://leetcode.com/problems/occurrences-after-bigram/)|[Python](./Python/1078.md)|||Easy|
|1079|[Letter Tile Possibilities](https://leetcode.com/problems/letter-tile-possibilities/)|[Python](./Python/1079.md)|||Medium|
|1080|[Insufficient Nodes in Root to Leaf Paths](https://leetcode.com/problems/insufficient-nodes-in-root-to-leaf-paths/)|[Python](./Python/1080.md)|||Medium|
|1089|[Duplicate Zeros](https://leetcode.com/problems/duplicate-zeros/)|[Python](./Python/1089.md)|||Easy|
|1090|[Largest Values From Labels](https://leetcode.com/problems/largest-values-from-labels/)|[Python](./Python/1090.md)|||Medium|
|1091|[Shortest Path in Binary Matrix](https://leetcode.com/problems/shortest-path-in-binary-matrix/)|[Python](./Python/1091.md)|||Medium|
|1093|[Statistics from a Large Sample](https://leetcode.com/problems/statistics-from-a-large-sample/)|[Python](./Python/1093.md)|||Medium|
|1096|[Brace Expansion II](https://leetcode.com/problems/brace-expansion-ii/)|[Python](./Python/1096.md)|||Hard|
|1105|[Filling Bookcase Shelves](https://leetcode.com/problems/filling-bookcase-shelves/)|[Python](./Python/1105.md)|||Medium|
|1106|[Parsing A Boolean Expression](https://leetcode.com/problems/parsing-a-boolean-expression/)|[Python](./Python/1106.md)|||Hard|
|1108|[Defanging an IP Address](https://leetcode.com/problems/defanging-an-ip-address/)|[Python](./Python/1108.md)|||Easy|
|1109|[Corporate Flight Bookings](https://leetcode.com/problems/corporate-flight-bookings/)|[Python](./Python/1109.md)|||Medium|
|1110|[Delete Nodes And Return Forest](https://leetcode.com/problems/delete-nodes-and-return-forest/)|[Python](./Python/1110.md)|||Medium|
|1122|[Relative Sort Array](https://leetcode.com/problems/relative-sort-array/)|[Python](./Python/1122.md)|||Easy|
|1123|[Lowest Common Ancestor of Deepest Leaves](https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves/)|[Python](./Python/1123.md)|||Medium|
|1124|[Longest Well-Performing Interval](https://leetcode.com/problems/longest-well-performing-interval/)|[Python](./Python/1124.md)|||Medium|
|1125|[Smallest Sufficient Team](https://leetcode.com/problems/smallest-sufficient-team/)|[Python](./Python/1125.md)|||Hard|
|1128|[Number of Equivalent Domino Pairs](https://leetcode.com/problems/number-of-equivalent-domino-pairs/)|[Python](./Python/1128.md)|||Easy|
|1129|[Shortest Path with Alternating Colors](https://leetcode.com/problems/shortest-path-with-alternating-colors/)|[Python](./Python/1129.md)|||Medium|
|1130|[Minimum Cost Tree From Leaf Values](https://leetcode.com/problems/minimum-cost-tree-from-leaf-values/)|[Python](./Python/1130.md)|||Medium|
|1137|[N-th Tribonacci Number](https://leetcode.com/problems/n-th-tribonacci-number/)|[Python](./Python/1137.md)|||Easy|
|1138|[Alphabet Board Path](https://leetcode.com/problems/alphabet-board-path/)|[Python](./Python/1138.md)|||Medium|
|1139|[Largest 1-Bordered Square](https://leetcode.com/problems/largest-1-bordered-square/)|[Python](./Python/1139.md)|||Medium|
|1140|[Stone Game II](https://leetcode.com/problems/stone-game-ii/)|[Python](./Python/1140.md)|||Medium|
|1143|[Longest Common Subsequence](https://leetcode.com/problems/longest-common-subsequence/)|[Python](./Python/1143.md)|||Medium|
|1144|[Decrease Elements To Make Array Zigzag](https://leetcode.com/problems/decrease-elements-to-make-array-zigzag/)|[Python](./Python/1144.md)|||Medium|
|1145|[Binary Tree Coloring Game](https://leetcode.com/problems/binary-tree-coloring-game/)|[Python](./Python/1145.md)|||Medium|
|1147|[Longest Chunked Palindrome Decomposition](https://leetcode.com/problems/longest-chunked-palindrome-decomposition/)|[Python](./Python/1147.md)|||Medium|
|1154|[Day of the Year](https://leetcode.com/problems/day-of-the-year/)|[Python](./Python/1154.md)|||Easy|
|1155|[Number of Dice Rolls With Target Sum](https://leetcode.com/problems/number-of-dice-rolls-with-target-sum/)|[Python](./Python/1155.md)|||Medium|
|1156|[Swap For Longest Repeated Character Substring](https://leetcode.com/problems/swap-for-longest-repeated-character-substring/)|[Python](./Python/1156.md)|||Medium|
|1157|[Online Majority Element In Subarray](https://leetcode.com/problems/online-majority-element-in-subarray/)|[Python](./Python/1157.md)|||Hard|
|1161|[Maximum Level Sum of a Binary Tree](https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree/)|[Python](./Python/1161.md)|||Medium|
|1163|[Last Substring in Lexicographical Order](https://leetcode.com/problems/last-substring-in-lexicographical-order/)|[Python](./Python/1163.md)|||Hard|
|1170|[Compare Strings by Frequency of the Smallest Character](https://leetcode.com/problems/compare-strings-by-frequency-of-the-smallest-character/)|[Python](./Python/1170.md)|||Medium|
|1171|[Remove Zero Sum Consecutive Nodes from Linked List](https://leetcode.com/problems/remove-zero-sum-consecutive-nodes-from-linked-list/)|[Python](./Python/1171.md)|||Medium|
|1172|[Dinner Plate Stacks](https://leetcode.com/problems/dinner-plate-stacks/)|[Python](./Python/1172.md)|||Hard|
|1175|[Prime Arrangements](https://leetcode.com/problems/prime-arrangements/)|[Python](./Python/1175.md)|||Easy|
|1177|[Can Make Palindrome from Substring](https://leetcode.com/problems/can-make-palindrome-from-substring/)|[Python](./Python/1177.md)|||Medium|
|1178|[Number of Valid Words for Each Puzzle](https://leetcode.com/problems/number-of-valid-words-for-each-puzzle/)|[Python](./Python/1178.md)|||Hard|
|1184|[Distance Between Bus Stops](https://leetcode.com/problems/distance-between-bus-stops/)|[Python](./Python/1184.md)|||Easy|
|1185|[Day of the Week](https://leetcode.com/problems/day-of-the-week/)|[Python](./Python/1185.md)|||Easy|
|1186|[Maximum Subarray Sum with One Deletion](https://leetcode.com/problems/maximum-subarray-sum-with-one-deletion/)|[Python](./Python/1185.md)|||Medium|
|1187|[Make Array Strictly Increasing](https://leetcode.com/problems/make-array-strictly-increasing/)|[Python](./Python/1187.md)|||Hard|
|1189|[Maximum Number of Balloons](https://leetcode.com/problems/maximum-number-of-balloons/)|[Python](./Python/1189.md)|||Easy|
|1190|[Reverse Substrings Between Each Pair of Parentheses](https://leetcode.com/problems/reverse-substrings-between-each-pair-of-parentheses/)|[Python](./Python/1190.md)|||Medium|
|1191|[K-Concatenation Maximum Sum](https://leetcode.com/problems/k-concatenation-maximum-sum/)|[Python](./Python/1191.md)|||Medium|
|1192|[Shortest Common Supersequence ](https://leetcode.com/problems/shortest-common-supersequence/)|[Python](./Python/1192.md)|||Hard|
|1200|[Minimum Absolute Difference](https://leetcode.com/problems/minimum-absolute-difference/)|[Python](./Python/1201.md)|||Easy|
|1202|[Smallest String With Swaps](https://leetcode.com/problems/smallest-string-with-swaps/)|[Python](./Python/1202.md)|||Medium|
|1203|[Sort Items by Groups Respecting Dependencies](https://leetcode.com/problems/sort-items-by-groups-respecting-dependencies/)|[Python](./Python/1203.md)|||Hard|
|1206|[Design Skiplist](https://leetcode.com/problems/design-skiplist/)|[Python](./Python/1206.md)|||Hard|
|1207|[Unique Number of Occurrences](https://leetcode.com/problems/unique-number-of-occurrences/)|[Python](./Python/1207.md)|||Easy|
|1208|[Get Equal Substrings Within Budget](https://leetcode.com/problems/get-equal-substrings-within-budget/)|[Python](./Python/1208.md)|||Medium|
|1210|[Minimum Moves to Reach Target with Rotations](https://leetcode.com/problems/minimum-moves-to-reach-target-with-rotations/)|[Python](./Python/1210.md)|||Hard|
|1217|[Minimum Cost to Move Chips to The Same Position](https://leetcode.com/problems/minimum-cost-to-move-chips-to-the-same-position/)|[Python](./Python/1217.md)|||Easy|
|1218|[Longest Arithmetic Subsequence of Given Difference](https://leetcode.com/problems/longest-arithmetic-subsequence-of-given-difference/)|[Python](./Python/1218.md)|||Medium|
|1219|[Path with Maximum Gold](https://leetcode.com/problems/path-with-maximum-gold/)|[Python](./Python/1219.md)|||Medium|
|1220|[Count Vowels Permutation](https://leetcode.com/problems/count-vowels-permutation/)|[Python](./Python/1220.md)|||Hard|
|1221|[Split a String in Balanced Strings](https://leetcode.com/problems/split-a-string-in-balanced-strings/)|[Python](./Python/1221.md)|||Easy|
|1222|[Queens That Can Attack the King](https://leetcode.com/problems/queens-that-can-attack-the-king/)|[Python](./Python/1222.md)|||Medium|
|1223|[Dice Roll Simulation](https://leetcode.com/problems/dice-roll-simulation/)|[Python](./Python/1223.md)|||Hard|
|1224|[Maximum Equal Frequency](https://leetcode.com/problems/maximum-equal-frequency/)|[Python](./Python/1224.md)|||Hard|
|1232|[Check If It Is a Straight Line](https://leetcode.com/problems/check-if-it-is-a-straight-line/)|[Python](./Python/1232.md)|||Easy|
|1233|[Remove Sub-Folders from the Filesystem](https://leetcode.com/problems/remove-sub-folders-from-the-filesystem/)|[Python](./Python/1233.md)|||Medium|
|1234|[Replace the Substring for Balanced String](https://leetcode.com/problems/replace-the-substring-for-balanced-string/)|[Python](./Python/1234.md)|||Medium|
|1235|[Maximum Profit in Job Scheduling](https://leetcode.com/problems/maximum-profit-in-job-scheduling/)|[Python](./Python/1235.md)|||Hard|
|1237|[Find Positive Integer Solution for a Given Equation](https://leetcode.com/problems/find-positive-integer-solution-for-a-given-equation/)|[Python](./Python/1237.md)|||Medium|
|1238|[Circular Permutation in Binary Representation](https://leetcode.com/problems/circular-permutation-in-binary-representation/)|[Python](./Python/1238.md)|||Medium|
|1239|[Maximum Length of a Concatenated String with Unique Characters](https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/)|[Python](./Python/1239.md)|[Java](./Java/1239.md)|[C++](./C++/1239.md)|Medium|
|1240|[Tiling a Rectangle with the Fewest Squares](https://leetcode.com/problems/tiling-a-rectangle-with-the-fewest-squares/)|[Python](./Python/1240.md)|||Hard|
|1247|[Minimum Swaps to Make Strings Equal](https://leetcode.com/problems/minimum-swaps-to-make-strings-equal/)|[Python](./Python/1247.md)|||Medium|
|1250|[Check If It Is a Good Array](https://leetcode.com/problems/check-if-it-is-a-good-array/)|[Python](./Python/1250.md)|||Hard|
|1252|[Cells with Odd Values in a Matrix](https://leetcode.com/problems/cells-with-odd-values-in-a-matrix/)|[Python](./Python/1252.md)|||Easy|
|1253|[Reconstruct a 2-Row Binary Matrix](https://leetcode.com/problems/reconstruct-a-2-row-binary-matrix/)|[Python](./Python/1253.md)|||Medium|
|1254|[Number of Closed Islands](https://leetcode.com/problems/number-of-closed-islands/)|[Python](./Python/1254.md)|||Medium|
|1255|[Maximum Score Words Formed by Letters](https://leetcode.com/problems/maximum-score-words-formed-by-letters/)|[Python](./Python/1255.md)|||Hard|
|1260|[Shift 2D Grid](https://leetcode.com/problems/shift-2d-grid/)|[Python](./Python/1260.md)|||Easy|
|1262|[Greatest Sum Divisible by Three](https://leetcode.com/problems/greatest-sum-divisible-by-three/)|[Python](./Python/1262.md)|||Medium|
|1263|[Minimum Moves to Move a Box to Their Target Location](https://leetcode.com/problems/minimum-moves-to-move-a-box-to-their-target-location/)|[Python](./Python/1263.md)|||Hard|
|1267|[Count Servers that Communicate](https://leetcode.com/problems/count-servers-that-communicate/)|[Python](./Python/1267.md)|||Medium|
|1277|[Count Square Submatrices with All Ones](https://leetcode.com/problems/count-square-submatrices-with-all-ones/)|[Python](./Python/1277.md)|||Medium|
|1281|[Subtract the Product and Sum of Digits of an Integer](https://leetcode.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer/)|[Python](./Python/1281.md)|||Easy|
|1282|[Group the People Given the Group Size They Belong To](https://leetcode.com/problems/group-the-people-given-the-group-size-they-belong-to/)|[Python](./Python/1282.md)|||Medium|
|1289|[Minimum Falling Path Sum II](https://leetcode.com/problems/minimum-falling-path-sum-ii/)|[Python](./Python/1282.md)|||Hard|
|1290|[Convert Binary Number in a Linked List to Integer](https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer/)|[Python](./Python/1290.md)|||Easy|
|1302|[Deepest Leaves Sum](https://leetcode.com/problems/deepest-leaves-sum/)|[Python](./Python/1302.md)|||Medium|
|1305|[All Elements in Two Binary Search Trees](https://leetcode.com/problems/all-elements-in-two-binary-search-trees/)|[Python](./Python/1305.md)|||Medium|
|1309|[Decrypt String from Alphabet to Integer Mapping](https://leetcode.com/problems/decrypt-string-from-alphabet-to-integer-mapping/)|[Python](./Python/1309.md)|||Easy|
|1314|[Matrix Block Sum](https://leetcode.com/problems/matrix-block-sum/)|[Python](./Python/1314.md)|||Medium|
|1319|[Number of Operations to Make Network Connected](https://leetcode.com/problems/number-of-operations-to-make-network-connected/)|[Python](./Python/1319.md)|||Medium|
|1326|[Minimum Number of Taps to Open to Water a Garden](https://leetcode.com/problems/minimum-number-of-taps-to-open-to-water-a-garden/)|[Python](./Python/1326.md)|||Easy|
|1330|[Reverse Subarray To Maximize Array Value](https://leetcode.com/problems/reverse-subarray-to-maximize-array-value/)|[Python](./Python/1330.md)|||Medium|
|1331|[Rank Transform of an Array](https://leetcode.com/problems/rank-transform-of-an-array/)|[Python](./Python/1331.md)|||Easy|
|1332|[Remove Palindromic Subsequences](https://leetcode.com/problems/remove-palindromic-subsequences/)|[Python](./Python/1332.md)|||Easy|
|1333|[Filter Restaurants by Vegan-Friendly, Price and Distance](https://leetcode.com/problems/filter-restaurants-by-vegan-friendly-price-and-distance/)|[Python](./Python/1333.md)|||Medium|
|1334|[Find the City With the Smallest Number of Neighbors at a Threshold Distance](https://leetcode.com/problems/find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance/)|[Python](./Python/1334.md)|||Medium|
|1335|[Minimum Difficulty of a Job Schedule](https://leetcode.com/problems/minimum-difficulty-of-a-job-schedule/)|[Python](./Python/1335.md)|||Hard|
|1337|[The K Weakest Rows in a Matrix](https://leetcode.com/problems/the-k-weakest-rows-in-a-matrix/)|[Python](./Python/1337.md)|||Easy|
|1342|[Number of Steps to Reduce a Number to Zero](https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/)|[Python](./Python/1342.md)|||Easy|
|1343|[Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold](https://leetcode.com/problems/number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold/)|[Python](./Python/1343.md)|||Medium|
|1344|[Angle Between Hands of a Clock](https://leetcode.com/problems/angle-between-hands-of-a-clock/)|[Python](./Python/1344.md)|||Medium|
|1345|[Jump Game IV](https://leetcode.com/problems/jump-game-iv/)|[Python](./Python/1345.md)|||Hard|
|1356|[Sort Integers by The Number of 1 Bits](https://leetcode.com/problems/sort-integers-by-the-number-of-1-bits/)|[Python](./Python/1356.md)|||Easy|
|1365|[How Many Numbers Are Smaller Than the Current Number](https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/)|[Python](./Python/1365.md)|||Easy|
|1367|[Linked List in Binary Tree](https://leetcode.com/problems/linked-list-in-binary-tree/)|[Python](./Python/1367.md)|||Medium|
|1370|[Increasing Decreasing String](https://leetcode.com/problems/increasing-decreasing-string/)|[Python](./Python/1370.md)|||Easy|
|1373|[Maximum Sum BST in Binary Tree](https://leetcode.com/problems/maximum-sum-bst-in-binary-tree/)|[Python](./Python/1373.md)|||Hard|
|1374|[Generate a String With Characters That Have Odd Counts](https://leetcode.com/problems/generate-a-string-with-characters-that-have-odd-counts/)|[Python](./Python/1374.md)|||Easy|
|1375|[Number of Times Binary String Is Prefix-Aligned](https://leetcode.com/problems/number-of-times-binary-string-is-prefix-aligned/)|[Python](./Python/1375.md)|||Medium|
|1376|[Time Needed to Inform All Employees](https://leetcode.com/problems/time-needed-to-inform-all-employees/)|[Python](./Python/1376.md)|||Medium|
|1377|[Frog Position After T Seconds](https://leetcode.com/problems/frog-position-after-t-seconds/)|[Python](./Python/1377.md)|||Hard|
|1380|[Lucky Numbers in a Matrix](https://leetcode.com/problems/lucky-numbers-in-a-matrix/)|[Python](./Python/1380.md)|||Easy|
|1388|[Pizza With 3n Slices](https://leetcode.com/problems/pizza-with-3n-slices/)|[Python](./Python/1388.md)|||Hard|
|1401|[Circle and Rectangle Overlapping](https://leetcode.com/problems/circle-and-rectangle-overlapping/)|[Python](./Python/1401.md)|||Medium|
|1402|[Reducing Dishes](https://leetcode.com/problems/reducing-dishes/)|[Python](./Python/1402.md)|||Hard|
|1403|[Minimum Subsequence in Non-Increasing Order](https://leetcode.com/problems/minimum-subsequence-in-non-increasing-order/)|[Python](./Python/1403.md)|||Easy|
|1404|[Number of Steps to Reduce a Number in Binary Representation to One](https://leetcode.com/problems/number-of-steps-to-reduce-a-number-in-binary-representation-to-one/)|[Python](./Python/1404.md)|||Medium|
|1405|[Longest Happy String](https://leetcode.com/problems/longest-happy-string/)|[Python](./Python/1405.md)|||Medium|
|1408|[String Matching in an Array](https://leetcode.com/problems/string-matching-in-an-array/)|[Python](./Python/1408.md)|||Easy|
|1410|[HTML Entity Parser](https://leetcode.com/problems/html-entity-parser/)|[Python](./Python/1410.md)|||Medium|
|1413|[Minimum Value to Get Positive Step by Step Sum](https://leetcode.com/problems/minimum-value-to-get-positive-step-by-step-sum/)|[Python](./Python/1413.md)|||Easy|
|1414|[Find the Minimum Number of Fibonacci Numbers Whose Sum Is K](https://leetcode.com/problems/find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k/)|[Python](./Python/1414.md)|||Medium|
|1415|[The k-th Lexicographical String of All Happy Strings of Length n](https://leetcode.com/problems/the-k-th-lexicographical-string-of-all-happy-strings-of-length-n/)|[Python](./Python/1415.md)|||Medium|
|1417|[Reformat The String](https://leetcode.com/problems/reformat-the-string/)|[Python](./Python/1417.md)|||Easy|
|1418|[Display Table of Food Orders in a Restaurant](https://leetcode.com/problems/display-table-of-food-orders-in-a-restaurant/)|[Python](./Python/1418.md)|[Java](./Java/1418.md)|[C++](./C++/1418.md)|Medium|
|1419|[Minimum Number of Frogs Croaking](https://leetcode.com/problems/minimum-number-of-frogs-croaking/)|[Python](./Python/1419.md)|||Medium|
|1422|[Maximum Score After Splitting a String](https://leetcode.com/problems/maximum-score-after-splitting-a-string/)|[Python](./Python/1422.md)|||Easy|
|1423|[Maximum Points You Can Obtain from Cards](https://leetcode.com/problems/maximum-points-you-can-obtain-from-cards/)|[Python](./Python/1423.md)|||Medium|
|1436|[Destination City](https://leetcode.com/problems/destination-city/)|[Python](./Python/1436.md)|||Easy|
|1438|[Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit](https://leetcode.com/problems/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit/)|[Python](./Python/1438.md)|||Medium|
|1439|[Find the Kth Smallest Sum of a Matrix With Sorted Rows](https://leetcode.com/problems/find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows/)|[Python](./Python/1439.md)|||Hard|
|1441|[Build an Array With Stack Operations](https://leetcode.com/problems/build-an-array-with-stack-operations/)|[Python](./Python/1441.md)|||Easy|
|1444|[Number of Ways of Cutting a Pizza](https://leetcode.com/problems/number-of-ways-of-cutting-a-pizza/)|[Python](./Python/1444.md)|||Hard|
|1446|[Consecutive Characters](https://leetcode.com/problems/consecutive-characters/)|[Python](./Python/1446.md)|||Easy|
|1447|[Simplified Fractions](https://leetcode.com/problems/simplified-fractions/)|[Python](./Python/1447.md)|||Medium|
|1448|[Count Good Nodes in Binary Tree](https://leetcode.com/problems/count-good-nodes-in-binary-tree/)|[Python](./Python/1448.md)|||Medium|
|1450|[Number of Students Doing Homework at a Given Time](https://leetcode.com/problems/number-of-students-doing-homework-at-a-given-time/)|[Python](./Python/1450.md)|||Easy|
|1455|[Check If a Word Occurs As a Prefix of Any Word in a Sentence](https://leetcode.com/problems/check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence/)|[Python](./Python/1455.md)|||Easy|
|1457|[Pseudo-Palindromic Paths in a Binary Tree](https://leetcode.com/problems/pseudo-palindromic-paths-in-a-binary-tree/)|[Python](./Python/1457.md)|||Medium|
|1460|[Make Two Arrays Equal by Reversing Sub-arrays](https://leetcode.com/problems/make-two-arrays-equal-by-reversing-sub-arrays/)|[Python](./Python/1460.md)|||Easy|
|1462|[Course Schedule IV](https://leetcode.com/problems/course-schedule-iv/)|[Python](./Python/1462.md)|||Medium|
|1464|[Maximum Product of Two Elements in an Array](https://leetcode.com/problems/maximum-product-of-two-elements-in-an-array/)|[Python](./Python/1464.md)|||Easy|
|1465|[Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts](https://leetcode.com/problems/maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts/)|[Python](./Python/1465.md)|||Medium|
|1470|[Shuffle the Array](https://leetcode.com/problems/shuffle-the-array/)|[Python](./Python/1470.md)|||Easy|
|1475|[Final Prices With a Special Discount in a Shop](https://leetcode.com/problems/final-prices-with-a-special-discount-in-a-shop/)|[Python](./Python/1475.md)|||Easy|
|1480|[Running Sum of 1d Array](https://leetcode.com/problems/running-sum-of-1d-array/)|[Python](./Python/1480.md)|||Easy|
|1483|[Kth Ancestor of a Tree Node](https://leetcode.com/problems/kth-ancestor-of-a-tree-node/)|[Python](./Python/1483.md)|||Hard|
|1487|[Making File Names Unique](https://leetcode.com/problems/making-file-names-unique/)|[Python](./Python/1487.md)|||Medium|
|1488|[Avoid Flood in The City](https://leetcode.com/problems/avoid-flood-in-the-city/)|[Python](./Python/1488.md)|||Medium|
|1489|[Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree](https://leetcode.com/problems/find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree/)|[Python](./Python/1489.md)|||Hard|
|1491|[Average Salary Excluding the Minimum and Maximum Salary](https://leetcode.com/problems/average-salary-excluding-the-minimum-and-maximum-salary/)|[Python](./Python/1491.md)|||Easy|
|1494|[Parallel Courses II](https://leetcode.com/problems/parallel-courses-ii/)|[Python](./Python/1494.md)|||Hard|
|1499|[Max Value of Equation](https://leetcode.com/problems/max-value-of-equation/)|[Python](./Python/1499.md)|||Hard|
|1502|[Can Make Arithmetic Progression From Sequence](https://leetcode.com/problems/can-make-arithmetic-progression-from-sequence/)|[Python](./Python/1502.md)|||Easy|
|1518|[Water Bottles](https://leetcode.com/problems/water-bottles/)|[Python](./Python/1518.md)|||Easy|
|1523|[Count Odd Numbers in an Interval Range](https://leetcode.com/problems/count-odd-numbers-in-an-interval-range/)|[Python](./Python/1523.md)|||Easy|
|1534|[Count Good Triplets](https://leetcode.com/problems/count-good-triplets/)|[Python](./Python/1534.md)|||Easy|
|1535|[Find the Winner of an Array Game](https://leetcode.com/problems/find-the-winner-of-an-array-game/)|[Python](./Python/1535.md)|||Medium|
|1536|[Minimum Swaps to Arrange a Binary Grid](https://leetcode.com/problems/minimum-swaps-to-arrange-a-binary-grid/)|[Python](./Python/1536.md)|||Medium|
|1537|[Get the Maximum Score](https://leetcode.com/problems/get-the-maximum-score/)|[Python](./Python/1537.md)|||Hard|
|1567|[Maximum Length of Subarray With Positive Product](https://leetcode.com/problems/maximum-length-of-subarray-with-positive-product/)|[Python](./Python/1567.md)|||Medium|
|1572|[Matrix Diagonal Sum](https://leetcode.com/problems/matrix-diagonal-sum/)|[Python](./Python/1572.md)|||Easy|
|1574|[Shortest Subarray to be Removed to Make Array Sorted](https://leetcode.com/problems/shortest-subarray-to-be-removed-to-make-array-sorted/)|[Python](./Python/1574.md)|||Medium|
|1576|[Replace All ?'s to Avoid Consecutive Repeating Characters](https://leetcode.com/problems/replace-all-s-to-avoid-consecutive-repeating-characters/)|[Python](./Python/1576.md)|||Easy|
|1579|[Remove Max Number of Edges to Keep Graph Fully Traversable](https://leetcode.com/problems/remove-max-number-of-edges-to-keep-graph-fully-traversable/)|[Python](./Python/1579.md)|||Hard|
|1582|[Special Positions in a Binary Matrix](https://leetcode.com/problems/special-positions-in-a-binary-matrix/)|[Python](./Python/1582.md)|||Easy|
|1583|[Count Unhappy Friends](https://leetcode.com/problems/count-unhappy-friends/)|[Python](./Python/1583.md)|||Medium|
|1584|[Min Cost to Connect All Points](https://leetcode.com/problems/min-cost-to-connect-all-points/)|[Python](./Python/1584.md)|||Medium|
|1585|[Check If String Is Transformable With Substring Sort Operations](https://leetcode.com/problems/check-if-string-is-transformable-with-substring-sort-operations/)|[Python](./Python/1585.md)|||Hard|
|1588|[Sum of All Odd Length Subarrays](https://leetcode.com/problems/sum-of-all-odd-length-subarrays/)|[Python](./Python/1588.md)|||Easy|
|1590|[Make Sum Divisible by P](https://leetcode.com/problems/make-sum-divisible-by-p/)|[Python](./Python/1590.md)|||Medium|
|1592|[Rearrange Spaces Between Words](https://leetcode.com/problems/rearrange-spaces-between-words/)|[Python](./Python/1592.md)|||Easy|
|1593|[Split a String Into the Max Number of Unique Substrings](https://leetcode.com/problems/split-a-string-into-the-max-number-of-unique-substrings/)|[Python](./Python/1593.md)|||Medium|
|1594|[Maximum Non Negative Product in a Matrix](https://leetcode.com/problems/maximum-non-negative-product-in-a-matrix/)|[Python](./Python/1594.md)|||Medium|
|1595|[Minimum Cost to Connect Two Groups of Points](https://leetcode.com/problems/minimum-cost-to-connect-two-groups-of-points/)|[Python](./Python/1595.md)|||Hard|
|1598|[Crawler Log Folder](https://leetcode.com/problems/crawler-log-folder/)|[Python](./Python/1598.md)|||Easy|
|1599|[Maximum Profit of Operating a Centennial Wheel](https://leetcode.com/problems/maximum-profit-of-operating-a-centennial-wheel/)|[Python](./Python/1599.md)|||Medium|
|1600|[Throne Inheritance](https://leetcode.com/problems/throne-inheritance/)|[Python](./Python/1600.md)|[Java](./Java/1600.md)|[C++](./C++/1600.md)|Medium|
|1601|[Maximum Number of Achievable Transfer Requests](https://leetcode.com/problems/maximum-number-of-achievable-transfer-requests/)|[Python](./Python/1601.md)|||Hard|
|1603|[Design Parking System](https://leetcode.com/problems/design-parking-system/)|[Python](./Python/1603.md)|||Easy|
|1604|[Alert Using Same Key-Card Three or More Times in a One Hour Period](https://leetcode.com/problems/alert-using-same-key-card-three-or-more-times-in-a-one-hour-period/)|[Python](./Python/1604.md)|||Medium|
|1605|[Find Valid Matrix Given Row and Column Sums](https://leetcode.com/problems/find-valid-matrix-given-row-and-column-sums/)|[Python](./Python/1605.md)|||Medium|
|1606|[Find Servers That Handled Most Number of Requests](https://leetcode.com/problems/find-servers-that-handled-most-number-of-requests/)|[Python](./Python/1606.md)|||Hard|
|1608|[Special Array With X Elements Greater Than or Equal X](https://leetcode.com/problems/special-array-with-x-elements-greater-than-or-equal-x/)|[Python](./Python/1608.md)|||Easy|
|1609|[Even Odd Tree](https://leetcode.com/problems/even-odd-tree/)|[Python](./Python/1609.md)|||Medium|
|1610|[Maximum Number of Visible Points](https://leetcode.com/problems/maximum-number-of-visible-points/)|[Python](./Python/1610.md)|||Hard|
|1614|[Maximum Nesting Depth of the Parentheses](https://leetcode.com/problems/maximum-nesting-depth-of-the-parentheses/)|[Python](./Python/1614.md)|||Easy|
|1615|[Maximal Network Rank](https://leetcode.com/problems/maximal-network-rank/)|[Python](./Python/1615.md)|||Medium|
|1616|[Split Two Strings to Make Palindrome](https://leetcode.com/problems/split-two-strings-to-make-palindrome/)|[Python](./Python/1616.md)|||Medium|
|1617|[Count Subtrees With Max Distance Between Cities](https://leetcode.com/problems/count-subtrees-with-max-distance-between-cities/)|[Python](./Python/1617.md)|||Hard|
|1619|[Mean of Array After Removing Some Elements](https://leetcode.com/problems/mean-of-array-after-removing-some-elements/)|[Python](./Python/1619.md)|||Easy|
|1620|[Coordinate With Maximum Network Quality](https://leetcode.com/problems/coordinate-with-maximum-network-quality/)|[Python](./Python/1620.md)|||Medium|
|1624|[Largest Substring Between Two Equal Characters](https://leetcode.com/problems/largest-substring-between-two-equal-characters/)|[Python](./Python/1624.md)|||Easy|
|1625|[Lexicographically Smallest String After Applying Operations](https://leetcode.com/problems/lexicographically-smallest-string-after-applying-operations/)|[Python](./Python/1625.md)|||Medium|
|1626|[Best Team With No Conflicts](https://leetcode.com/problems/best-team-with-no-conflicts/)|[Python](./Python/1626.md)|||Medium|
|1629|[Slowest Key](https://leetcode.com/problems/slowest-key/)|[Python](./Python/1629.md)|||Easy|
|1630|[Arithmetic Subarrays](https://leetcode.com/problems/arithmetic-subarrays/)|[Python](./Python/1630.md)|||Medium|
|1631|[Path With Minimum Effort](https://leetcode.com/problems/path-with-minimum-effort/)|[Python](./Python/1631.md)|||Medium|
|1632|[Rank Transform of a Matrix](https://leetcode.com/problems/rank-transform-of-a-matrix/)|[Python](./Python/1632.md)|||Hard|
|1636|[Sort Array by Increasing Frequency](https://leetcode.com/problems/sort-array-by-increasing-frequency/)|[Python](./Python/1636.md)|||Easy|
|1637|[Widest Vertical Area Between Two Points Containing No Points](https://leetcode.com/problems/widest-vertical-area-between-two-points-containing-no-points/)|[Python](./Python/1637.md)|||Medium|
|1638|[Count Substrings That Differ by One Character](https://leetcode.com/problems/count-substrings-that-differ-by-one-character/)|[Python](./Python/1638.md)|||Medium|
|1640|[Check Array Formation Through Concatenation](https://leetcode.com/problems/check-array-formation-through-concatenation/)|[Python](./Python/1640.md)|||Easy|
|1641|[Count Sorted Vowel Strings](https://leetcode.com/problems/count-sorted-vowel-strings/)|[Python](./Python/1641.md)|||Medium|
|1646|[Get Maximum in Generated Array](https://leetcode.com/problems/get-maximum-in-generated-array/)|[Python](./Python/1646.md)|||Easy|
|1652|[Defuse the Bomb](https://leetcode.com/problems/defuse-the-bomb/)|[Python](./Python/1652.md)|||Easy|
|1653|[Minimum Deletions to Make String Balanced](https://leetcode.com/problems/minimum-deletions-to-make-string-balanced/)|[Python](./Python/1653.md)|||Medium|
|1654|[Minimum Jumps to Reach Home](https://leetcode.com/problems/minimum-jumps-to-reach-home/)|[Python](./Python/1654.md)|||Medium|
|1656|[Design an Ordered Stream](https://leetcode.com/problems/design-an-ordered-stream/)|[Python](./Python/1656.md)|||Easy|
|1657|[Determine if Two Strings Are Close](https://leetcode.com/problems/determine-if-two-strings-are-close/)|[Python](./Python/1657.md)|||Medium|
|1658|[Minimum Operations to Reduce X to Zero](https://leetcode.com/problems/minimum-operations-to-reduce-x-to-zero/)|[Python](./Python/1658.md)|||Medium|
|1659|[Maximize Grid Happiness](https://leetcode.com/problems/maximize-grid-happiness/)|[Python](./Python/1659.md)|||Hard|
|1662|[Check If Two String Arrays are Equivalent](https://leetcode.com/problems/check-if-two-string-arrays-are-equivalent/)|[Python](./Python/1662.md)|||Easy|
|1663|[Smallest String With A Given Numeric Value](https://leetcode.com/problems/smallest-string-with-a-given-numeric-value/)|[Python](./Python/1663.md)|||Medium|
|1664|[Ways to Make a Fair Array](https://leetcode.com/problems/ways-to-make-a-fair-array/)|[Python](./Python/1664.md)|||Medium|
|1668|[Maximum Repeating Substring](https://leetcode.com/problems/maximum-repeating-substring/)|[Python](./Python/1668.md)|||Easy|
|1669|[Merge In Between Linked Lists](https://leetcode.com/problems/merge-in-between-linked-lists/)|[Python](./Python/1669.md)|||Medium|
|1670|[Design Front Middle Back Queue](https://leetcode.com/problems/design-front-middle-back-queue/)|[Python](./Python/1670.md)|||Medium|
|1672|[Richest Customer Wealth](https://leetcode.com/problems/richest-customer-wealth/)|[Python](./Python/1672.md)|||Easy|
|1678|[Goal Parser Interpretation](https://leetcode.com/problems/goal-parser-interpretation/)|[Python](./Python/1678.md)|||Easy|
|1681|[Minimum Incompatibility](https://leetcode.com/problems/minimum-incompatibility/)|[Python](./Python/1681.md)|||Hard|
|1684|[Count the Number of Consistent Strings](https://leetcode.com/problems/count-the-number-of-consistent-strings/)|[Python](./Python/1684.md)|||Easy|
|1687|[Delivering Boxes from Storage to Ports](https://leetcode.com/problems/delivering-boxes-from-storage-to-ports/)|[Python](./Python/1687.md)|||Hard|
|1688|[Count of Matches in Tournament](https://leetcode.com/problems/count-of-matches-in-tournament/)|[Python](./Python/1688.md)|||Easy|
|1689|[Partitioning Into Minimum Number Of Deci-Binary Numbers](https://leetcode.com/problems/partitioning-into-minimum-number-of-deci-binary-numbers/)|[Python](./Python/1689.md)|||Medium|
|1690|[Stone Game VII](https://leetcode.com/problems/stone-game-vii/)|[Python](./Python/1690.md)|||Medium|
|1691|[Maximum Height by Stacking Cuboids](https://leetcode.com/problems/maximum-height-by-stacking-cuboids/)|[Python](./Python/1691.md)|||Hard|
|1694|[Reformat Phone Number](https://leetcode.com/problems/reformat-phone-number/)|[Python](./Python/1694.md)|||Easy|
|1697|[Checking Existence of Edge Length Limited Paths](https://leetcode.com/problems/checking-existence-of-edge-length-limited-paths/)|[Python](./Python/1697.md)|||Hard|
|1700|[Number of Students Unable to Eat Lunch](https://leetcode.com/problems/number-of-students-unable-to-eat-lunch/)|[Python](./Python/1700.md)|||Easy|
|1703|[Minimum Adjacent Swaps for K Consecutive Ones](https://leetcode.com/problems/minimum-adjacent-swaps-for-k-consecutive-ones/)|[Python](./Python/1703.md)|||Hard|
|1704|[Determine if String Halves Are Alike](https://leetcode.com/problems/determine-if-string-halves-are-alike/)|[Python](./Python/1704.md)|||Easy|
|1705|[Maximum Number of Eaten Apples](https://leetcode.com/problems/maximum-number-of-eaten-apples/)|[Python](./Python/1705.md)|||Medium|
|1706|[Where Will the Ball Fall](https://leetcode.com/problems/where-will-the-ball-fall/)|[Python](./Python/1706.md)|||Medium|
|1710|[Maximum Units on a Truck](https://leetcode.com/problems/maximum-units-on-a-truck/)|[Python](./Python/1711.md)|||Easy|
|1711|[Count Good Meals](https://leetcode.com/problems/count-good-meals/)|[Python](./Python/1711.md)|[Java](./Java/1711.md)|[C++](./C++/1711.md)|Medium|
|1716|[Calculate Money in Leetcode Bank](https://leetcode.com/problems/calculate-money-in-leetcode-bank/)|[Python](./Python/1716.md)|||Easy|
|1717|[Maximum Score From Removing Substrings](https://leetcode.com/problems/maximum-score-from-removing-substrings/)|[Python](./Python/1717.md)|||Medium|
|1718|[Construct the Lexicographically Largest Valid Sequence](https://leetcode.com/problems/construct-the-lexicographically-largest-valid-sequence/)|[Python](./Python/1718.md)|||Medium|
|1719|[Number Of Ways To Reconstruct A Tree](https://leetcode.com/problems/number-of-ways-to-reconstruct-a-tree/)|[Python](./Python/1719.md)|||Hard|
|1725|[Number Of Rectangles That Can Form The Largest Square](https://leetcode.com/problems/number-of-rectangles-that-can-form-the-largest-square/)|[Python](./Python/1725.md)|||Easy|
|1726|[Tuple with Same Product](https://leetcode.com/problems/tuple-with-same-product/)|[Python](./Python/1726.md)|||Medium|
|1727|[Largest Submatrix With Rearrangements](https://leetcode.com/problems/largest-submatrix-with-rearrangements/)|[Python](./Python/1727.md)|||Medium|
|1728|[Cat and Mouse II](https://leetcode.com/problems/cat-and-mouse-ii/)|[Python](./Python/1728.md)|||Hard|
|1732|[Find the Highest Altitude](https://leetcode.com/problems/find-the-highest-altitude/)|[Python](./Python/1732.md)|||Easy|
|1739|[Building Boxes](https://leetcode.com/problems/building-boxes/)|[Python](./Python/1739.md)|||Hard|
|1742|[Maximum Number of Balls in a Box](https://leetcode.com/problems/maximum-number-of-balls-in-a-box/)|[Python](./Python/1742.md)|||Easy|
|1748|[Sum of Unique Elements](https://leetcode.com/problems/sum-of-unique-elements/)|[Python](./Python/1748.md)|||Easy|
|1749|[Maximum Absolute Sum of Any Subarray](https://leetcode.com/problems/maximum-absolute-sum-of-any-subarray/)|[Python](./Python/1749.md)|||Medium|
|1750|[Minimum Length of String After Deleting Similar Ends](https://leetcode.com/problems/minimum-length-of-string-after-deleting-similar-ends/)|[Python](./Python/1750.md)|||Medium|
|1752|[Check if Array Is Sorted and Rotated](https://leetcode.com/problems/check-if-array-is-sorted-and-rotated/)|[Python](./Python/1752.md)|||Easy|
|1753|[Maximum Score From Removing Stones](https://leetcode.com/problems/maximum-score-from-removing-stones/)|[Python](./Python/1753.md)|||Medium|
|1754|[Largest Merge Of Two Strings](https://leetcode.com/problems/largest-merge-of-two-strings/)|[Python](./Python/1754.md)|||Medium|
|1758|[Minimum Changes To Make Alternating Binary String](https://leetcode.com/problems/minimum-changes-to-make-alternating-binary-string/)|[Python](./Python/1758.md)|||Easy|
|1759|[Count Number of Homogenous Substrings](https://leetcode.com/problems/count-number-of-homogenous-substrings/)|[Python](./Python/1760.md)|||Medium|
|1760|[Minimum Limit of Balls in a Bag](https://leetcode.com/problems/minimum-limit-of-balls-in-a-bag/)|[Python](./Python/1760.md)|||Medium|
|1761|[Minimum Degree of a Connected Trio in a Graph](https://leetcode.com/problems/minimum-degree-of-a-connected-trio-in-a-graph/)|[Python](./Python/1761.md)|||Hard|
|1763|[Longest Nice Substring](https://leetcode.com/problems/longest-nice-substring/)|[Python](./Python/1763.md)|||Easy|
|1764|[Form Array by Concatenating Subarrays of Another Array](https://leetcode.com/problems/form-array-by-concatenating-subarrays-of-another-array/)|[Python](./Python/1764.md)|||Medium|
|1765|[Map of Highest Peak](https://leetcode.com/problems/map-of-highest-peak/)|[Python](./Python/1765.md)|||Medium|
|1768|[Merge Strings Alternately](https://leetcode.com/problems/merge-strings-alternately/)|[Python](./Python/1768.md)|||Easy|
|1769|[Minimum Number of Operations to Move All Balls to Each Box](https://leetcode.com/problems/minimum-number-of-operations-to-move-all-balls-to-each-box/)|[Python](./Python/1769.md)|||Medium|
|1773|[Count Items Matching a Rule](https://leetcode.com/problems/count-items-matching-a-rule/)|[Python](./Python/1773.md)|||Easy|
|1774|[Closest Dessert Cost](https://leetcode.com/problems/closest-dessert-cost/)|[Python](./Python/1774.md)|||Medium|
|1775|[Equal Sum Arrays With Minimum Number of Operations](https://leetcode.com/problems/equal-sum-arrays-with-minimum-number-of-operations/)|[Python](./Python/1775.md)|||Medium|
|1779|[Find Nearest Point That Has the Same X or Y Coordinate](https://leetcode.com/problems/find-nearest-point-that-has-the-same-x-or-y-coordinate/)|[Python](./Python/1779.md)|||Easy|
|1780|[Check if Number is a Sum of Powers of Three](https://leetcode.com/problems/check-if-number-is-a-sum-of-powers-of-three/)|[Python](./Python/1780.md)|||Medium|
|1781|[Sum of Beauty of All Substrings](https://leetcode.com/problems/sum-of-beauty-of-all-substrings/)|[Python](./Python/1781.md)|||Medium|
|1782|[Count Pairs Of Nodes](https://leetcode.com/problems/count-pairs-of-nodes/)|[Python](./Python/1782.md)|||Hard|
|1784|[Check if Binary String Has at Most One Segment of Ones](https://leetcode.com/problems/check-if-binary-string-has-at-most-one-segment-of-ones/)|[Python](./Python/1784.md)|||Easy|
|1785|[Minimum Elements to Add to Form a Given Sum](https://leetcode.com/problems/minimum-elements-to-add-to-form-a-given-sum/)|[Python](./Python/1785.md)|||Medium|
|1790|[Check if One String Swap Can Make Strings Equal](https://leetcode.com/problems/check-if-one-string-swap-can-make-strings-equal/)|[Python](./Python/1790.md)|||Easy|
|1791|[Find Center of Star Graph](https://leetcode.com/problems/find-center-of-star-graph/)|[Python](./Python/1791.md)|||Easy|
|1792|[Maximum Average Pass Ratio](https://leetcode.com/problems/maximum-average-pass-ratio/)|[Python](./Python/1792.md)|||Medium|
|1796|[Second Largest Digit in a String](https://leetcode.com/problems/second-largest-digit-in-a-string/)|[Python](./Python/1796.md)|||Easy|
|1797|[Design Authentication Manager](https://leetcode.com/problems/design-authentication-manager/)|[Python](./Python/1797.md)|||Medium|
|1798|[Maximum Number of Consecutive Values You Can Make](https://leetcode.com/problems/maximum-number-of-consecutive-values-you-can-make/)|[Python](./Python/1798.md)|||Medium|
|1799|[Maximize Score After N Operations](https://leetcode.com/problems/maximize-score-after-n-operations/)|[Python](./Python/1799.md)|||Hard|
|1800|[Maximum Ascending Subarray Sum](https://leetcode.com/problems/maximum-ascending-subarray-sum/)|[Python](./Python/1800.md)|||Easy|
|1801|[Number of Orders in the Backlog](https://leetcode.com/problems/number-of-orders-in-the-backlog/)|[Python](./Python/1801.md)|||Medium|
|1802|[Maximum Value at a Given Index in a Bounded Array](https://leetcode.com/problems/maximum-value-at-a-given-index-in-a-bounded-array/)|[Python](./Python/1802.md)|||Medium|
|1803|[Count Pairs With XOR in a Range](https://leetcode.com/problems/count-pairs-with-xor-in-a-range/)|[Python](./Python/1803.md)|||Hard|
|1805|[Number of Different Integers in a String](https://leetcode.com/problems/number-of-different-integers-in-a-string/)|[Python](./Python/1805.md)|||Easy|
|1806|[Minimum Number of Operations to Reinitialize a Permutation](https://leetcode.com/problems/minimum-number-of-operations-to-reinitialize-a-permutation/)|[Python](./Python/1806.md)|||Medium|
|1807|[Evaluate the Bracket Pairs of a String](https://leetcode.com/problems/evaluate-the-bracket-pairs-of-a-string/)|[Python](./Python/1807.md)|||Medium|
|1812|[Determine Color of a Chessboard Square](https://leetcode.com/problems/determine-color-of-a-chessboard-square/)|[Python](./Python/1812.md)|||Easy|
|1813|[Sentence Similarity III](https://leetcode.com/problems/sentence-similarity-iii/)|[Python](./Python/1813.md)|||Medium|
|1814|[Count Nice Pairs in an Array](https://leetcode.com/problems/count-nice-pairs-in-an-array/)|[Python](./Python/1814.md)|||Medium|
|1815|[Maximum Number of Groups Getting Fresh Donuts](https://leetcode.com/problems/maximum-number-of-groups-getting-fresh-donuts/)|[Python](./Python/1815.md)|||Hard|
|1816|[Truncate Sentence](https://leetcode.com/problems/truncate-sentence/)|[Python](./Python/1816.md)|||Easy|
|1817|[Finding the Users Active Minutes](https://leetcode.com/problems/finding-the-users-active-minutes/)|[Python](./Python/1817.md)|||Medium|
|1818|[Minimum Absolute Sum Difference](https://leetcode.com/problems/minimum-absolute-sum-difference/)|[Python](./Python/1818.md)|||Medium|
|1819|[Number of Different Subsequences GCDs](https://leetcode.com/problems/number-of-different-subsequences-gcds/)|[Python](./Python/1819.md)|||Hard|
|1822|[Sign of the Product of an Array](https://leetcode.com/problems/sign-of-the-product-of-an-array/)|[Python](./Python/1822.md)|||Easy|
|1823|[Find the Winner of the Circular Game](https://leetcode.com/problems/find-the-winner-of-the-circular-game/)|[Python](./Python/1823.md)|||Medium|
|1824|[Minimum Sideway Jumps](https://leetcode.com/problems/minimum-sideway-jumps/)|[Python](./Python/1824.md)|||Medium|
|1825|[Finding MK Average](https://leetcode.com/problems/finding-mk-average/)|[Python](./Python/1825.md)|||Hard|
|1827|[Minimum Operations to Make the Array Increasing](https://leetcode.com/problems/minimum-operations-to-make-the-array-increasing/)|[Python](./Python/1827.md)|||Easy|
|1828|[Queries on Number of Points Inside a Circle](https://leetcode.com/problems/queries-on-number-of-points-inside-a-circle/)|[Python](./Python/1828.md)|||Medium|
|1832|[Check if the Sentence Is Pangram](https://leetcode.com/problems/check-if-the-sentence-is-pangram/)|[Python](./Python/1832.md)|||Easy|
|1833|[Maximum Ice Cream Bars](https://leetcode.com/problems/maximum-ice-cream-bars/)|[Python](./Python/1833.md)|[Java](./Java/1833.md)|[C++](./C++/1833.md)|Medium|
|1845|[Seat Reservation Manager](https://leetcode.com/problems/seat-reservation-manager/)|[Python](./Python/1845.md)|||Medium|
|1846|[Maximum Element After Decreasing and Rearranging](https://leetcode.com/problems/maximum-element-after-decreasing-and-rearranging/)|[Python](./Python/1846.md)|||Medium|
|1851|[Minimum Interval to Include Each Query](https://leetcode.com/problems/minimum-interval-to-include-each-query/)|[Python](./Python/1851.md)|||Hard|
|1886|[Determine Whether Matrix Can Be Obtained By Rotation](https://leetcode.com/problems/determine-whether-matrix-can-be-obtained-by-rotation/)|[Python](./Python/1894.md)|||Easy|
|1894|[Find the Student that Will Replace the Chalk](https://leetcode.com/problems/find-the-student-that-will-replace-the-chalk/)|[Python](./Python/1894.md)|||Medium|
|1911|[Maximum Alternating Subsequence Sum](https://leetcode.com/problems/maximum-alternating-subsequence-sum/)|[Python](./Python/1911.md)|||Medium|
|1921|[Eliminate Maximum Number of Monsters](https://leetcode.com/problems/eliminate-maximum-number-of-monsters/)|[Python](./Python/1921.md)|||Medium|
|1945|[Sum of Digits of String After Convert](https://leetcode.com/problems/sum-of-digits-of-string-after-convert/)|[Python](./Python/1945.md)|||Easy|
|1971|[Find if Path Exists in Graph](https://leetcode.com/problems/find-if-path-exists-in-graph/)|[Python](./Python/1971.md)|||Easy|
|1984|[Minimum Difference Between Highest and Lowest of K Scores](https://leetcode.com/problems/minimum-difference-between-highest-and-lowest-of-k-scores/)|[Python](./Python/1984.md)|||Easy|
|1985|[Find the Kth Largest Integer in the Array](https://leetcode.com/problems/find-the-kth-largest-integer-in-the-array/)|[Python](./Python/1985.md)|||Medium|
|1986|[Minimum Number of Work Sessions to Finish the Tasks](https://leetcode.com/problems/minimum-number-of-work-sessions-to-finish-the-tasks/)|[Python](./Python/1986.md)|||Medium|
|1993|[Operations on Tree](https://leetcode.com/problems/operations-on-tree/)|[Python](./Python/1993.md)|||Medium|
|1994|[The Number of Good Subsets](https://leetcode.com/problems/the-number-of-good-subsets/)|[Python](./Python/1994.md)|||Hard|
|1995|[Count Special Quadruplets](https://leetcode.com/problems/find-the-student-that-will-replace-the-chalk/)|[Python](./Python/1995.md)|||Easy|
|1996|[The Number of Weak Characters in the Game](https://leetcode.com/problems/the-number-of-weak-characters-in-the-game/)|[Python](./Python/1996.md)|||Medium|
|1997|[First Day Where You Have Been in All the Rooms](https://leetcode.com/problems/first-day-where-you-have-been-in-all-the-rooms/)|[Python](./Python/1997.md)|||Medium|
|2000|[Reverse Prefix of Word](https://leetcode.com/problems/reverse-prefix-of-word/)|[Python](./Python/2000.md)|||Easy|
|2001|[Number of Pairs of Interchangeable Rectangles](https://leetcode.com/problems/number-of-pairs-of-interchangeable-rectangles/)|[Python](./Python/2001.md)|||Medium|
|2002|[Maximum Product of the Length of Two Palindromic Subsequences](https://leetcode.com/problems/maximum-product-of-the-length-of-two-palindromic-subsequences/)|[Python](./Python/2002.md)|||Medium|
|2003|[Smallest Missing Genetic Value in Each Subtree](https://leetcode.com/problems/smallest-missing-genetic-value-in-each-subtree/)|[Python](./Python/2003.md)|||Hard|
|2006|[Count Number of Pairs With Absolute Difference K](https://leetcode.com/problems/count-number-of-pairs-with-absolute-difference-k/)|[Python](./Python/2006.md)|||Easy|
|2007|[Find Original Array From Doubled Array](https://leetcode.com/problems/find-original-array-from-doubled-array/)|[Python](./Python/2007.md)|||Medium|
|2008|[Maximum Earnings From Taxi](https://leetcode.com/problems/maximum-earnings-from-taxi/)|[Python](./Python/2008.md)|||Medium|
|2011|[Final Value of Variable After Performing Operations](https://leetcode.com/problems/final-value-of-variable-after-performing-operations/)|[Python](./Python/2011.md)|||Easy|
|2012|[Sum of Beauty in the Array](https://leetcode.com/problems/sum-of-beauty-in-the-array/)|[Python](./Python/2012.md)|||Medium|
|2013|[Detect Squares](https://leetcode.com/problems/detect-squares/)|[Python](./Python/2013.md)|||Medium|
|2016|[Maximum Difference Between Increasing Elements](https://leetcode.com/problems/maximum-difference-between-increasing-elements/)|[Python](./Python/2016.md)|||Easy|
|2022|[Convert 1D Array Into 2D Array](https://leetcode.com/problems/convert-1d-array-into-2d-array/)|[Python](./Python/2022.md)|||Easy|
|2024|[Maximize the Confusion of an Exam](https://leetcode.com/problems/maximize-the-confusion-of-an-exam/)|[Python](./Python/2024.md)|||Medium|
|2027|[Minimum Moves to Convert String](https://leetcode.com/problems/minimum-moves-to-convert-string/)|[Python](./Python/2022.md)|||Easy|
|2028|[Find Missing Observations](https://leetcode.com/problems/find-missing-observations/)|[Python](./Python/2027.md)|||Medium|
|2029|[Stone Game IX](https://leetcode.com/problems/stone-game-ix/)|[Python](./Python/2027.md)|||Medium|
|2032|[Two Out of Three](https://leetcode.com/problems/two-out-of-three/)|[Python](./Python/2032.md)|||Easy|
|2033|[Minimum Operations to Make a Uni-Value Grid](https://leetcode.com/problems/minimum-operations-to-make-a-uni-value-grid/)|[Python](./Python/2033.md)|||Medium|
|2034|[Stock Price Fluctuation](https://leetcode.com/problems/stock-price-fluctuation/)|[Python](./Python/2034.md)|||Medium|
|2037|[Minimum Number of Moves to Seat Everyone](https://leetcode.com/problems/minimum-number-of-moves-to-seat-everyone/)|[Python](./Python/2037.md)|||Easy|
|2038|[Remove Colored Pieces if Both Neighbors are the Same Color](https://leetcode.com/problems/remove-colored-pieces-if-both-neighbors-are-the-same-color/)|[Python](./Python/2038.md)|||Medium|
|2039|[The Time When the Network Becomes Idle](https://leetcode.com/problems/the-time-when-the-network-becomes-idle/)|[Python](./Python/2039.md)|||Medium|
|2042|[Check if Numbers Are Ascending in a Sentence](https://leetcode.com/problems/check-if-numbers-are-ascending-in-a-sentence/)|[Python](./Python/2042.md)|||Easy|
|2043|[Simple Bank System](https://leetcode.com/problems/simple-bank-system/)|[Python](./Python/2043.md)|||Medium|
|2044|[Count Number of Maximum Bitwise-OR Subsets](https://leetcode.com/problems/count-number-of-maximum-bitwise-or-subsets/)|[Python](./Python/2044.md)|||Medium|
|2045|[Second Minimum Time to Reach Destination](https://leetcode.com/problems/second-minimum-time-to-reach-destination/)|[Python](./Python/2045.md)|||Hard|
|2047|[Number of Valid Words in a Sentence](https://leetcode.com/problems/number-of-valid-words-in-a-sentence/)|[Python](./Python/2047.md)|||Easy|
|2048|[Next Greater Numerically Balanced Number](https://leetcode.com/problems/next-greater-numerically-balanced-number/)|[Python](./Python/2048.md)|||Medium|
|2049|[Count Nodes With the Highest Score](https://leetcode.com/problems/count-nodes-with-the-highest-score/)|[Python](./Python/2049.md)|||Medium|
|2050|[Parallel Courses III](https://leetcode.com/problems/parallel-courses-iii/)|[Python](./Python/2050.md)|||Hard|
|2055|[Plates Between Candles](https://leetcode.com/problems/plates-between-candles/)|[Python](./Python/2055.md)|||Medium|
|2094|[Finding 3-Digit Even Numbers](https://leetcode.com/problems/finding-3-digit-even-numbers/)|[Python](./Python/2094.md)|||Easy|
|2095|[Delete the Middle Node of a Linked List](https://leetcode.com/problems/delete-the-middle-node-of-a-linked-list/)|[Python](./Python/2095.md)|||Medium|
|2096|[Step-By-Step Directions From a Binary Tree Node to Another](https://leetcode.com/problems/step-by-step-directions-from-a-binary-tree-node-to-another/)|[Python](./Python/2096.md)|||Medium|
|2099|[Find Subsequence of Length K With the Largest Sum](https://leetcode.com/problems/find-subsequence-of-length-k-with-the-largest-sum/)|[Python](./Python/2099.md)|||Easy|
|2100|[Find Good Days to Rob the Bank](https://leetcode.com/problems/find-good-days-to-rob-the-bank/)|[Python](./Python/2100.md)|||Medium|
|2101|[Detonate the Maximum Bombs](https://leetcode.com/problems/detonate-the-maximum-bombs/)|[Python](./Python/2101.md)|||Medium|
|2102|[Sequentially Ordinal Rank Tracker](https://leetcode.com/problems/sequentially-ordinal-rank-tracker/)|[Python](./Python/2102.md)|||Hard|
|2103|[Rings and Rods](https://leetcode.com/problems/rings-and-rods/)|[Python](./Python/2103.md)|||Easy|
|2104|[Sum of Subarray Ranges](https://leetcode.com/problems/sum-of-subarray-ranges/)|[Python](./Python/2104.md)|||Medium|
|2105|[Watering Plants II](https://leetcode.com/problems/watering-plants-ii/)|[Python](./Python/2105.md)|||Medium|
|2106|[Maximum Fruits Harvested After at Most K Steps](https://leetcode.com/problems/maximum-fruits-harvested-after-at-most-k-steps/)|[Python](./Python/2106.md)|||Hard|
|2108|[Find First Palindromic String in the Array](https://leetcode.com/problems/find-first-palindromic-string-in-the-array/)|[Python](./Python/2108.md)|||Easy|
|2109|[Adding Spaces to a String](https://leetcode.com/problems/adding-spaces-to-a-string/)|[Python](./Python/2109.md)|||Medium|
|2110|[Number of Smooth Descent Periods of a Stock](https://leetcode.com/problems/number-of-smooth-descent-periods-of-a-stock/)|[Python](./Python/2110.md)|||Medium|
|2111|[Minimum Operations to Make the Array K-Increasing](https://leetcode.com/problems/minimum-operations-to-make-the-array-k-increasing/)|[Python](./Python/2111.md)|||Hard|
|2127|[Maximum Employees to Be Invited to a Meeting](https://leetcode.com/problems/maximum-employees-to-be-invited-to-a-meeting/)|[Python](./Python/2127.md)|||Hard|
|2136|[Earliest Possible Day of Full Bloom](https://leetcode.com/problems/earliest-possible-day-of-full-bloom/)|[Python](./Python/2136.md)|||Hard|
|2178|[Maximum Split of Positive Even Integers](https://leetcode.com/problems/maximum-split-of-positive-even-integers/)|[Python](./Python/2178.md)|||Medium|
|2180|[Count Integers With Even Digit Sum](https://leetcode.com/problems/count-integers-with-even-digit-sum/)|[Python](./Python/2180.md)|||Easy|
|2185|[Counting Words With a Given Prefix](https://leetcode.com/problems/counting-words-with-a-given-prefix/)|[Python](./Python/2185.md)|||Easy|
|2187|[Minimum Time to Complete Trips](https://leetcode.com/problems/minimum-time-to-complete-trips/)|[Python](./Python/2187.md)|||Medium|
|2208|[Minimum Operations to Halve Array Sum](https://leetcode.com/problems/minimum-operations-to-halve-array-sum/)|[Python](./Python/2208.md)|||Medium|
|2216|[Minimum Deletions to Make Array Beautiful](https://leetcode.com/problems/minimum-deletions-to-make-array-beautiful/)|[Python](./Python/2216.md)|||Easy|
|2235|[Add Two Integers](https://leetcode.com/problems/add-two-integers/)|[Python](./Python/2235.md)|||Easy|
|2236|[Root Equals Sum of Children](https://leetcode.com/problems/root-equals-sum-of-children/)|[Python](./Python/2236.md)|||Easy|
|2240|[Number of Ways to Buy Pens and Pencils](https://leetcode.com/problems/number-of-ways-to-buy-pens-and-pencils/)|[Python](./Python/2240.md)|||Medium|
|2251|[Number of Flowers in Full Bloom](https://leetcode.com/problems/number-of-flowers-in-full-bloom/)|[Python](./Python/2251.md)|||Hard|
|2258|[Escape the Spreading Fire](https://leetcode.com/problems/escape-the-spreading-fire/)|[Python](./Python/2258.md)|||Hard|
|2283|[Check if Number Has Equal Digit Count and Digit Value](https://leetcode.com/problems/check-if-number-has-equal-digit-count-and-digit-value/)|[Python](./Python/2283.md)|||Easy|
|2287|[Rearrange Characters to Make Target String](https://leetcode.com/problems/rearrange-characters-to-make-target-string/)|[Python](./Python/2287.md)|||Easy|
|2293|[Min Max Game](https://leetcode.com/problems/min-max-game/)|[Python](./Python/2293.md)|||Easy|
|2299|[Strong Password Checker II](https://leetcode.com/problems/strong-password-checker-ii/)|[Python](./Python/2299.md)|||Easy|
|2300|[Successful Pairs of Spells and Potions](https://leetcode.com/problems/successful-pairs-of-spells-and-potions/)|[Python](./Python/2300.md)|||Medium|
|2303|[Calculate Amount Paid in Taxes](https://leetcode.com/problems/calculate-amount-paid-in-taxes/)|[Python](./Python/2303.md)|||Easy|
|2304|[Minimum Path Cost in a Grid](https://leetcode.com/problems/minimum-path-cost-in-a-grid/)|[Python](./Python/2304.md)|||Medium|
|2309|[Greatest English Letter in Upper and Lower Case](https://leetcode.com/problems/greatest-english-letter-in-upper-and-lower-case/)|[Python](./Python/2309.md)|||Easy|
|2315|[Count Asterisks](https://leetcode.com/problems/count-asterisks/)|[Python](./Python/2315.md)|||Easy|
|2316|[Count Unreachable Pairs of Nodes in an Undirected Graph](https://leetcode.com/problems/count-unreachable-pairs-of-nodes-in-an-undirected-graph/)|[Python](./Python/2316.md)|||Medium|
|2319|[Check if Matrix Is X-Matrix](https://leetcode.com/problems/check-if-matrix-is-x-matrix/)|[Python](./Python/2319.md)|||Easy|
|2325|[Decode the Message](https://leetcode.com/problems/decode-the-message/)|[Python](./Python/2325.md)|||Easy|
|2331|[Evaluate Boolean Binary Tree](https://leetcode.com/problems/evaluate-boolean-binary-tree/)|[Python](./Python/2331.md)|||Easy|
|2335|[Minimum Amount of Time to Fill Cups](https://leetcode.com/problems/minimum-amount-of-time-to-fill-cups/)|[Python](./Python/2335.md)|||Easy|
|2336|[Smallest Number in Infinite Set](https://leetcode.com/problems/smallest-number-in-infinite-set/)|[Python](./Python/2336.md)|||Medium|
|2337|[Move Pieces to Obtain a String](https://leetcode.com/problems/move-pieces-to-obtain-a-string/)|[Python](./Python/2337.md)|||Medium|
|2341|[Maximum Number of Pairs in Array](https://leetcode.com/problems/maximum-number-of-pairs-in-array/)|[Python](./Python/2341.md)|||Easy|
|2342|[Max Sum of a Pair With Equal Sum of Digits](https://leetcode.com/problems/max-sum-of-a-pair-with-equal-sum-of-digits/)|[Python](./Python/2342.md)|||Medium|
|2347|[Best Poker Hand](https://leetcode.com/problems/best-poker-hand/)|[Python](./Python/2347.md)|||Easy|
|2351|[First Letter to Appear Twice](https://leetcode.com/problems/first-letter-to-appear-twice/)|[Python](./Python/2351.md)|||Easy|
|2352|[Equal Row and Column Pairs](https://leetcode.com/problems/equal-row-and-column-pairs/)|[Python](./Python/2352.md)|||Medium|
|2357|[Make Array Zero by Subtracting Equal Amounts](https://leetcode.com/problems/make-array-zero-by-subtracting-equal-amounts/)|[Python](./Python/2357.md)|||Easy|
|2363|[Merge Similar Items](https://leetcode.com/problems/merge-similar-items/)|[Python](./Python/2363.md)|||Easy|
|2367|[Number of Arithmetic Triplets](https://leetcode.com/problems/number-of-arithmetic-triplets/)|[Python](./Python/2367.md)|||Easy|
|2373|[Largest Local Values in a Matrix](https://leetcode.com/problems/largest-local-values-in-a-matrix/)|[Python](./Python/2373.md)|||Easy|
|2379|[Minimum Recolors to Get K Consecutive Black Blocks](https://leetcode.com/problems/minimum-recolors-to-get-k-consecutive-black-blocks/)|[Python](./Python/2379.md)|||Easy|
|2383|[Minimum Hours of Training to Win a Competition](https://leetcode.com/problems/minimum-hours-of-training-to-win-a-competition/)|[Python](./Python/2383.md)|||Easy|
|2389|[Longest Subsequence With Limited Sum](https://leetcode.com/problems/longest-subsequence-with-limited-sum/)|[Python](./Python/2389.md)|||Easy|
|2395|[Find Subarrays With Equal Sum](https://leetcode.com/problems/find-subarrays-with-equal-sum/)|[Python](./Python/2395.md)|||Easy|
|2399|[Check Distances Between Same Letters](https://leetcode.com/problems/check-distances-between-same-letters/)|[Python](./Python/2399.md)|||Easy|
|2404|[Most Frequent Even Element](https://leetcode.com/problems/most-frequent-even-element/)|[Python](./Python/2404.md)|||Easy|
|2409|[Count Days Spent Together](https://leetcode.com/problems/count-days-spent-together/)|[Python](./Python/2409.md)|||Easy|
|2413|[Smallest Even Multiple](https://leetcode.com/problems/smallest-even-multiple/)|[Python](./Python/2413.md)|||Easy|
|2418|[Sort the People](https://leetcode.com/problems/sort-the-people/)|[Python](./Python/2418.md)|||Easy|
|2423|[Remove Letter To Equalize Frequency](https://leetcode.com/problems/remove-letter-to-equalize-frequency/)|[Python](./Python/2423.md)|||Easy|
|2427|[Number of Common Factors](https://leetcode.com/problems/number-of-common-factors/)|[Python](./Python/2427.md)|||Easy|
|2432|[The Employee That Worked on the Longest Task](https://leetcode.com/problems/the-employee-that-worked-on-the-longest-task/)|[Python](./Python/2432.md)|||Easy|
|2437|[Convert the Temperature](https://leetcode.com/problems/number-of-valid-clock-times)|[Python](./Python/2437.md)|||Easy|
|2441|[Largest Positive Integer That Exists With Its Negative](https://leetcode.com/problems/largest-positive-integer-that-exists-with-its-negative/)|[Python](./Python/2441.md)|||Easy|
|2446|[Determine if Two Events Have Conflict](https://leetcode.com/problems/determine-if-two-events-have-conflict/)|[Python](./Python/2446.md)|||Easy|
|2451|[Odd String Difference](https://leetcode.com/problems/odd-string-difference/)|[Python](./Python/2451.md)|||Easy|
|2455|[Average Value of Even Numbers That Are Divisible by Three](https://leetcode.com/problems/average-value-of-even-numbers-that-are-divisible-by-three/)|[Python](./Python/2455.md)|||Easy|
|2460|[Apply Operations to an Array](https://leetcode.com/problems/apply-operations-to-an-array/)|[Python](./Python/2460.md)|||Easy|
|2465|[Number of Distinct Averages](https://leetcode.com/problems/number-of-distinct-averages/)|[Python](./Python/2465.md)|||Easy|
|2469|[Number of Valid Clock Times](https://leetcode.com/problems/convert-the-temperature/)|[Python](./Python/2469.md)|||Easy|
|2475|[Number of Unequal Triplets in Array](https://leetcode.com/problems/number-of-unequal-triplets-in-array/)|[Python](./Python/2475.md)|||Easy|
|2481|[Minimum Cuts to Divide a Circle](https://leetcode.com/problems/minimum-cuts-to-divide-a-circle/)|[Python](./Python/2481.md)|||Easy|
|2485|[Find the Pivot Integer](https://leetcode.com/problems/find-the-pivot-integer/)|[Python](./Python/2485.md)|||Easy|
|2488|[Count Subarrays With Median K](https://leetcode.com/problems/count-subarrays-with-median-k/)|[Python](./Python/2488.md)|||Hard|
|2490|[Circular Sentence](https://leetcode.com/problems/circular-sentence/)|[Python](./Python/2490.md)|||Medium|
|2496|[Maximum Value of a String in an Array](https://leetcode.com/problems/maximum-value-of-a-string-in-an-array/)|[Python](./Python/2496.md)|||Easy|
|2500|[Delete Greatest Value in Each Row](https://leetcode.com/problems/delete-greatest-value-in-each-row/)|[Python](./Python/2500.md)|||Easy|
|2511|[Maximum Enemy Forts That Can Be Captured](https://leetcode.com/problems/maximum-enemy-forts-that-can-be-captured/)|[Python](./Python/2511.md)|||Easy|
|2512|[Reward Top K Students](https://leetcode.com/problems/reward-top-k-students/)|[Python](./Python/2512.md)|||Medium|
|2517|[Maximum Tastiness of Candy Basket](https://leetcode.com/problems/maximum-tastiness-of-candy-basket/)|[Python](./Python/2517.md)|||Medium|
|2520|[Count the Digits That Divide a Number](https://leetcode.com/problems/count-the-digits-that-divide-a-number/)|[Python](./Python/2520.md)|||Easy|
|2525|[Categorize Box According to Criteria](https://leetcode.com/problems/categorize-box-according-to-criteria/)|[Python](./Python/2525.md)|||Easy|
|2530|[Maximal Score After Applying K Operations](https://leetcode.com/problems/maximal-score-after-applying-k-operations/)|[Python](./Python/2532.md)|||Medium|
|2532|[Time to Cross a Bridge](https://leetcode.com/problems/time-to-cross-a-bridge/)|[Python](./Python/2532.md)|||Hard|
|2544|[Alternating Digit Sum](https://leetcode.com/problems/alternating-digit-sum/)|[Python](./Python/2544.md)|||Easy|
|2558|[Take Gifts From the Richest Pile](https://leetcode.com/problems/take-gifts-from-the-richest-pile/)|[Python](./Python/2558.md)|||Easy|
|2559|[Handling Sum Queries After Update](https://leetcode.com/problems/count-vowel-strings-in-ranges/)|[Python](./Python/2559.md)|||Medium|
|2560|[House Robber IV](https://leetcode.com/problems/house-robber-iv/)|[Python](./Python/2560.md)|||Medium|
|2562|[Find the Array Concatenation Value](https://leetcode.com/problems/find-the-array-concatenation-value/)|[Python](./Python/2562.md)|||Medium|
|2569|[Count Vowel Strings in Ranges](https://leetcode.com/problems/handling-sum-queries-after-update/)|[Python](./Python/2569.md)|||Hard|
|2578|[Split With Minimum Sum](https://leetcode.com/problems/split-with-minimum-sum/)|[Python](./Python/2578.md)|||Easy|
|2582|[Pass the Pillow](https://leetcode.com/problems/pass-the-pillow/)|[Python](./Python/2582.md)|||Easy|
|2586|[Count the Number of Vowel Strings in Range](https://leetcode.com/problems/count-the-number-of-vowel-strings-in-range/)|[Python](./Python/2586.md)|||Easy|
|2591|[Distribute Money to Maximum Children](https://leetcode.com/problems/distribute-money-to-maximum-children/)|[Python](./Python/2591.md)|||Easy|
|2594|[Minimum Time to Repair Cars](https://leetcode.com/problems/minimum-time-to-repair-cars/)|[Python](./Python/2594.md)|||Medium|
|2596|[Check Knight Tour Configuration](https://leetcode.com/problems/check-knight-tour-configuration/)|[Python](./Python/2596.md)|||Medium|
|2600|[K Items With the Maximum Sum](https://leetcode.com/problems/k-items-with-the-maximum-sum/)|[Python](./Python/2600.md)|||Easy|
|2603|[Collect Coins in a Tree](https://leetcode.com/problems/collect-coins-in-a-tree/)|[Python](./Python/2603.md)||Hard|
|2605|[Form Smallest Number From Two Digit Arrays](https://leetcode.com/problems/form-smallest-number-from-two-digit-arrays/)|[Python](./Python/2605.md)|||Easy|
|2609|[Find the Longest Balanced Substring of a Binary String](https://leetcode.com/problems/find-the-longest-balanced-substring-of-a-binary-string/)|[Python](./Python/2611.md)|||Easy|
|2611|[Mice and Cheese](https://leetcode.com/problems/mice-and-cheese/)|[Python](./Python/2611.md)|||Medium|
|2651|[Calculate Delayed Arrival Time](https://leetcode.com/problems/calculate-delayed-arrival-time/)|[Python](./Python/2651.md)|||Easy|
|2652|[Sum Multiples](https://leetcode.com/problems/sum-multiples/)|[Python](./Python/2652.md)|||Easy|
|2656|[Maximum Sum With Exactly K Elements ](https://leetcode.com/problems/maximum-sum-with-exactly-k-elements/)|[Python](./Python/2656.md)|||Easy|
|2678|[Number of Senior Citizens](https://leetcode.com/problems/number-of-senior-citizens/)|[Python](./Python/2678.md)|||Easy|
|2679|[Sum in a Matrix](https://leetcode.com/problems/sum-in-a-matrix/)|[Python](./Python/2679.md)|||Medium|
|2681|[Power of Heroes](https://leetcode.com/problems/power-of-heroes/)|[Python](./Python/2681.md)|||Hard|
|2682|[Find the Losers of the Circular Game](https://leetcode.com/problems/find-the-losers-of-the-circular-game/)|[Python](./Python/2682.md)|||Easy|
|2698|[Find the Punishment Number of an Integer](https://leetcode.com/problems/find-the-punishment-number-of-an-integer/)|[Python](./Python/2698.md)|||Medium|
|2699|[Modify Graph Edge Weights](https://leetcode.com/problems/modify-graph-edge-weights/)|[Python](./Python/2699.md)|||Hard|
|2731|[Movement of Robots](https://leetcode.com/problems/movement-of-robots/)|[Python](./Python/2731.md)|||Medium|
|2736|[Maximum Sum Queries](https://leetcode.com/problems/maximum-sum-queries/)|[Python](./Python/2736.md)|||Hard|
|2760|[Longest Even Odd Subarray With Threshold](https://leetcode.com/problems/longest-even-odd-subarray-with-threshold/)|[Python](./Python/2760.md)|||Easy|
|2779|[Maximum Beauty of an Array After Applying Operation](https://leetcode.com/problems/maximum-beauty-of-an-array-after-applying-operation/)|[Python](./Python/2779.md)|||Medium|
|2824|[Count Pairs Whose Sum is Less than Target](https://leetcode.com/problems/count-pairs-whose-sum-is-less-than-target/)|[Python](./Python/2824.md)|||Easy|
|3099|[Harshad Number](https://leetcode.com/problems/harshad-number/)|[Python](./Python/2824.md)|||Easy|
|3100|[Water Bottles II](https://leetcode.com/problems/water-bottles-ii/)|[Python](./Python/2824.md)|||Medium|
|3101|[Count Alternating Subarrays](https://leetcode.com/problems/count-alternating-subarrays/)|[Python](./Python/2824.md)|||Medium|
|3102|[Minimize Manhattan Distances](https://leetcode.com/problems/minimize-manhattan-distances/)|[Python](./Python/2824.md)|||Hard|