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https://github.com/kzamanbd/leetcode-problem

Welcome to our Problem-Solving Repository! This repository is a curated collection of solutions and resources aimed at addressing a variety of challenges encountered in software industry. Whether you're a developer, a project manager, or an enthusiast in software development field...
https://github.com/kzamanbd/leetcode-problem

cpp leetcode leetcode-solutions problemsolving

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Welcome to our Problem-Solving Repository! This repository is a curated collection of solutions and resources aimed at addressing a variety of challenges encountered in software industry. Whether you're a developer, a project manager, or an enthusiast in software development field...

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README 

        
# LeetCode Problem & Solution



Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. Our platform offers a range of essential problems



## Top 75 LeetCode Questions to Crack The Coding Interviews



> Click :star: if you like the project. Pull Request are highly appreciated.



---



## Array



- [ ] [Two Sum](https://leetcode.com/problems/two-sum/)

- [ ] [Best Time to Buy and Sell Stock](https://leetcode.com/problems/best-time-to-buy-and-sell-stock/)

- [ ] [Contains Duplicate](https://leetcode.com/problems/contains-duplicate/)

- [ ] [Product of Array Except Self](https://leetcode.com/problems/product-of-array-except-self/)

- [ ] [Maximum Subarray](https://leetcode.com/problems/maximum-subarray/)

- [ ] [Maximum Product Subarray](https://leetcode.com/problems/maximum-product-subarray/)

- [ ] [Find Minimum in Rotated Sorted Array](https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/)

- [ ] [Search in Rotated Sorted Array](https://leetcode.com/problems/search-in-rotated-sorted-array/)

- [ ] [3Sum](https://leetcode.com/problems/3sum/)

- [ ] [Container With Most Water](https://leetcode.com/problems/container-with-most-water/)



---



## Binary



- [ ] [Sum of Two Integers](https://leetcode.com/problems/sum-of-two-integers/)

- [ ] [Number of 1 Bits](https://leetcode.com/problems/number-of-1-bits/)

- [ ] [Counting Bits](https://leetcode.com/problems/counting-bits/)

- [ ] [Missing Number](https://leetcode.com/problems/missing-number/)

- [ ] [Reverse Bits](https://leetcode.com/problems/reverse-bits/)



---



## Interval



- [ ] [Insert Interval](https://leetcode.com/problems/insert-interval/)

- [ ] [Merge Intervals](https://leetcode.com/problems/merge-intervals/)

- [ ] [Non-overlapping Intervals](https://leetcode.com/problems/non-overlapping-intervals/)

- [ ] [Meeting Rooms (Leetcode Premium)](https://leetcode.com/problems/meeting-rooms/)

- [ ] [Meeting Rooms II (Leetcode Premium)](https://leetcode.com/problems/meeting-rooms-ii/)



---



## Linked List



- [ ] [Reverse a Linked List](https://leetcode.com/problems/reverse-linked-list/)

- [ ] [Detect Cycle in a Linked List](https://leetcode.com/problems/linked-list-cycle/)

- [ ] [Merge Two Sorted Lists](https://leetcode.com/problems/merge-two-sorted-lists/)

- [ ] [Merge K Sorted Lists](https://leetcode.com/problems/merge-k-sorted-lists/)

- [ ] [Remove Nth Node From End Of List](https://leetcode.com/problems/remove-nth-node-from-end-of-list/)

- [ ] [Reorder List](https://leetcode.com/problems/reorder-list/)



---



## Matrix



- [ ] [Set Matrix Zeroes](https://leetcode.com/problems/set-matrix-zeroes/)

- [ ] [Spiral Matrix](https://leetcode.com/problems/spiral-matrix/)

- [ ] [Rotate Image](https://leetcode.com/problems/rotate-image/)

- [ ] [Word Search](https://leetcode.com/problems/word-search/)



---



## String



- [ ] [Longest Substring Without Repeating Characters](https://leetcode.com/problems/longest-substring-without-repeating-characters/)

- [ ] [Longest Repeating Character Replacement](https://leetcode.com/problems/longest-repeating-character-replacement/)

- [ ] [Minimum Window Substring](https://leetcode.com/problems/minimum-window-substring/)

- [ ] [Valid Anagram](https://leetcode.com/problems/valid-anagram/)

- [ ] [Group Anagrams](https://leetcode.com/problems/group-anagrams/)

- [ ] [Valid Parentheses](https://leetcode.com/problems/valid-parentheses/)

- [ ] [Valid Palindrome](https://leetcode.com/problems/valid-palindrome/)

- [ ] [Longest Palindromic Substring](https://leetcode.com/problems/longest-palindromic-substring/)

- [ ] [Palindromic Substrings](https://leetcode.com/problems/palindromic-substrings/)

- [ ] [Encode and Decode Strings (Leetcode Premium)](https://leetcode.com/problems/encode-and-decode-strings/)



---



## Tree



- [ ] [Maximum Depth of Binary Tree](https://leetcode.com/problems/maximum-depth-of-binary-tree/)

- [ ] [Same Tree](https://leetcode.com/problems/same-tree/)

- [ ] [Invert/Flip Binary Tree](https://leetcode.com/problems/invert-binary-tree/)

- [ ] [Binary Tree Maximum Path Sum](https://leetcode.com/problems/binary-tree-maximum-path-sum/)

- [ ] [Binary Tree Level Order Traversal](https://leetcode.com/problems/binary-tree-level-order-traversal/)

- [ ] [Serialize and Deserialize Binary Tree](https://leetcode.com/problems/serialize-and-deserialize-binary-tree/)

- [ ] [Subtree of Another Tree](https://leetcode.com/problems/subtree-of-another-tree/)

- [ ] [Construct Binary Tree from Preorder and Inorder Traversal](https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/)

- [ ] [Validate Binary Search Tree](https://leetcode.com/problems/validate-binary-search-tree/)

- [ ] [Kth Smallest Element in a BST](https://leetcode.com/problems/kth-smallest-element-in-a-bst/)

- [ ] [Lowest Common Ancestor of BST](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/)

- [ ] [Implement Trie (Prefix Tree)](https://leetcode.com/problems/implement-trie-prefix-tree/)

- [ ] [Add and Search Word](https://leetcode.com/problems/add-and-search-word-data-structure-design/)

- [ ] [Word Search II](https://leetcode.com/problems/word-search-ii/)



---



## Dynamic Programming



- [ ] [Climbing Stairs](https://leetcode.com/problems/climbing-stairs/)

- [ ] [Coin Change](https://leetcode.com/problems/coin-change/)

- [ ] [Longest Increasing Subsequence](https://leetcode.com/problems/longest-increasing-subsequence/)

- [ ] [Longest Common Subsequence](https://leetcode.com/problems/longest-common-subsequence/)

- [ ] [Word Break Problem](https://leetcode.com/problems/word-break/)

- [ ] [Combination Sum](https://leetcode.com/problems/combination-sum-iv/)

- [ ] [House Robber](https://leetcode.com/problems/house-robber/)

- [ ] [House Robber II](https://leetcode.com/problems/house-robber-ii/)

- [ ] [Decode Ways](https://leetcode.com/problems/decode-ways/)

- [ ] [Unique Paths](https://leetcode.com/problems/unique-paths/)

- [ ] [Jump Game](https://leetcode.com/problems/jump-game/)



---



## Graph



- [ ] [Clone Graph](https://leetcode.com/problems/clone-graph/)

- [ ] [Course Schedule](https://leetcode.com/problems/course-schedule/)

- [ ] [Pacific Atlantic Water Flow](https://leetcode.com/problems/pacific-atlantic-water-flow/)

- [ ] [Number of Islands](https://leetcode.com/problems/number-of-islands/)

- [ ] [Longest Consecutive Sequence](https://leetcode.com/problems/longest-consecutive-sequence/)

- [ ] [Alien Dictionary (Leetcode Premium)](https://leetcode.com/problems/alien-dictionary/)

- [ ] [Graph Valid Tree (Leetcode Premium)](https://leetcode.com/problems/graph-valid-tree/)

- [ ] [Number of Connected Components in an Undirected Graph (Leetcode Premium)](https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/)



---



## Heap



- [ ] [Merge K Sorted Lists](https://leetcode.com/problems/merge-k-sorted-lists/)

- [ ] [Top K Frequent Elements](https://leetcode.com/problems/top-k-frequent-elements/)

- [ ] [Find Median from Data Stream](https://leetcode.com/problems/find-median-from-data-stream/)



## Credit



[Blind - Curated List of Top 75 LeetCode Questions to Save Your Time](https://www.teamblind.com/post/New-Year-Gift---Curated-List-of-Top-100-LeetCode-Questions-to-Save-Your-Time-OaM1orEU)



## Important Links



- [FAANG Coding Interview Question](https://github.com/ombharatiya/FAANG-Coding-Interview-Questions)



- [Data Structures and Sorting Cheat Sheet](https://docs.google.com/document/d/1PMoL1xJ9xa6ywQQ8HCc1oxLf2TUCiCaKaatlKYv6RZw/mobilebasic)



- [14 Patterns to Ace Any Coding Interview Question](https://hackernoon.com/14-patterns-to-ace-any-coding-interview-question-c5bb3357f6ed)



- [A to Z Learning Resources for Students by Deepak](https://github.com/ombharatiya/A-to-Z-Resources-for-Students)



- [Competitive Programmer’s Handbook](https://cses.fi/book/book.pdf)



- [Low Level Design Primer](https://github.com/prasadgujar/low-level-design-primer/blob/master/solutions.md)



## About The Author



- [Om Bharatiya](https://twitter.com/ombharatiya)