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https://github.com/tihamidev/leetcode-easy-problems

Easy Leetcode problems.
https://github.com/tihamidev/leetcode-easy-problems
Last synced: about 2 months ago
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Easy Leetcode problems.
Host: GitHub
URL: https://github.com/tihamidev/leetcode-easy-problems
Owner: TihamiDev
Created: 2024-09-13T18:52:43.000Z (4 months ago)
Default Branch: main
Last Pushed: 2024-09-14T10:11:34.000Z (4 months ago)
Last Synced: 2024-10-17T20:11:50.193Z (3 months ago)
Size: 10.7 KB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md
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LeetCode-Easy-Problems

## Arrays & Strings:

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

2. [Palindrome Number](https://leetcode.com/problems/palindrome-number/)

3. [Roman to Integer](https://leetcode.com/problems/roman-to-integer/)

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

5. [Reverse Integer](https://leetcode.com/problems/reverse-integer/)

6. [Remove Duplicates from Sorted Array](https://leetcode.com/problems/remove-duplicates-from-sorted-array/)

7. [Plus One](https://leetcode.com/problems/plus-one/)

8. [Longest Common Prefix](https://leetcode.com/problems/longest-common-prefix/)

9. [Implement strStr()](https://leetcode.com/problems/implement-strstr/)

10. [Search Insert Position](https://leetcode.com/problems/search-insert-position/)

11. [Length of Last Word](https://leetcode.com/problems/length-of-last-word/)

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

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

14. [Single Number](https://leetcode.com/problems/single-number/)

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

16. [Intersection of Two Arrays II](https://leetcode.com/problems/intersection-of-two-arrays-ii/)

17. [Move Zeroes](https://leetcode.com/problems/move-zeroes/)

18. [Find the Difference](https://leetcode.com/problems/find-the-difference/)

19. [Majority Element](https://leetcode.com/problems/majority-element/)

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

## Linked Lists:

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

22. [Delete Node in a Linked List](https://leetcode.com/problems/delete-node-in-a-linked-list/)

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

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

25. [Remove Duplicates from Sorted List](https://leetcode.com/problems/remove-duplicates-from-sorted-list/)

26. [Palindrome Linked List](https://leetcode.com/problems/palindrome-linked-list/)

27. [Intersection of Two Linked Lists](https://leetcode.com/problems/intersection-of-two-linked-lists/)

28. [Remove Linked List Elements](https://leetcode.com/problems/remove-linked-list-elements/)

29. [Middle of the Linked List](https://leetcode.com/problems/middle-of-the-linked-list/)

30. [Design Linked List](https://leetcode.com/problems/design-linked-list/)

## Trees:

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

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

33. [Symmetric Tree](https://leetcode.com/problems/symmetric-tree/)

34. [Path Sum](https://leetcode.com/problems/path-sum/)

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

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

37. [Convert Sorted Array to Binary Search Tree](https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/)

38. [Balanced Binary Tree](https://leetcode.com/problems/balanced-binary-tree/)

39. [Binary Tree Inorder Traversal](https://leetcode.com/problems/binary-tree-inorder-traversal/)

40. [Minimum Depth of Binary Tree](https://leetcode.com/problems/minimum-depth-of-binary-tree/)

## Math:

41. [Fizz Buzz](https://leetcode.com/problems/fizz-buzz/)

42. [Power of Two](https://leetcode.com/problems/power-of-two/)

43. [Excel Sheet Column Number](https://leetcode.com/problems/excel-sheet-column-number/)

44. [Factorial Trailing Zeroes](https://leetcode.com/problems/factorial-trailing-zeroes/)

45. [Happy Number](https://leetcode.com/problems/happy-number/)

46. [Add Digits](https://leetcode.com/problems/add-digits/)

47. [Count Primes](https://leetcode.com/problems/count-primes/)

48. [Ugly Number](https://leetcode.com/problems/ugly-number/)

49. [Roman to Integer](https://leetcode.com/problems/roman-to-integer/)

50. [Sqrt(x)](https://leetcode.com/problems/sqrtx/)

## Dynamic Programming:

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

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

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

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

55. [Min Cost Climbing Stairs](https://leetcode.com/problems/min-cost-climbing-stairs/)

56. [Fibonacci Number](https://leetcode.com/problems/fibonacci-number/)

57. [Pascal's Triangle](https://leetcode.com/problems/pascals-triangle/)

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

59. [Is Subsequence](https://leetcode.com/problems/is-subsequence/)

60. [Coin Change II](https://leetcode.com/problems/coin-change-2/)

## Recursion:

61. [Factorial](https://leetcode.com/problems/factorial/)

62. [Fibonacci Number](https://leetcode.com/problems/fibonacci-number/)

63. [Reverse String](https://leetcode.com/problems/reverse-string/)

64. [Swap Nodes in Pairs](https://leetcode.com/problems/swap-nodes-in-pairs/)

65. [Permutations](https://leetcode.com/problems/permutations/)

66. [Power of Three](https://leetcode.com/problems/power-of-three/)

67. [Power of Four](https://leetcode.com/problems/power-of-four/)

68. [Recursion Fibonacci](https://leetcode.com/problems/fibonacci-number/)

69. [Nth Tribonacci Number](https://leetcode.com/problems/n-th-tribonacci-number/)

70. [K-th Symbol in Grammar](https://leetcode.com/problems/k-th-symbol-in-grammar/)

## Hashing:

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

72. [Single Number](https://leetcode.com/problems/single-number/)

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

74. [Intersection of Two Arrays](https://leetcode.com/problems/intersection-of-two-arrays/)

75. [Happy Number](https://leetcode.com/problems/happy-number/)

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

77. [First Unique Character in a String](https://leetcode.com/problems/first-unique-character-in-a-string/)

78. [Jewels and Stones](https://leetcode.com/problems/jewels-and-stones/)

79. [Ransom Note](https://leetcode.com/problems/ransom-note/)

80. [Find the Difference](https://leetcode.com/problems/find-the-difference/)

## Stacks:

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

82. [Min Stack](https://leetcode.com/problems/min-stack/)

83. [Baseball Game](https://leetcode.com/problems/baseball-game/)

84. [Implement Queue using Stacks](https://leetcode.com/problems/implement-queue-using-stacks/)

85. [Next Greater Element I](https://leetcode.com/problems/next-greater-element-i/)

86. [Daily Temperatures](https://leetcode.com/problems/daily-temperatures/)

87. [Evaluate Reverse Polish Notation](https://leetcode.com/problems/evaluate-reverse-polish-notation/)

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

89. [Trapping Rain Water](https://leetcode.com/problems/trapping-rain-water/)

90. [Remove Outermost Parentheses](https://leetcode.com/problems/remove-outermost-parentheses/)

## Bit Manipulation:

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

92. [Hamming Distance](https://leetcode.com/problems/hamming-distance/)

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

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

95. [Single Number](https://leetcode.com/problems/single-number/)

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

97. [Power of Two](https://leetcode.com/problems/power-of-two/)

98. [Bitwise AND of Numbers Range](https://leetcode.com/problems/bitwise-and-of-numbers-range/)

99. [Total Hamming Distance](https://leetcode.com/problems/total-hamming-distance/)

100. [Complement of Base 10 Integer](https://leetcode.com/problems/complement-of-base-10-integer/)