🚀 Interview Master 100

Welcome, Interview Masters!

Today we have curated a list of the Top 100 LeetCode questions.

These questions will teach you the core concepts and techniques you need to know to crush any technical interview. In other words, this is the 20% that will cover 80% of the strategies you need to solve most coding questions asked in interviews!

We will be covering solutions for each of these questions in the next editions. For problems already solved in previous issues, you will find the reference to the detailed solution below.

Subscribe here to not miss out on the next coding challenges. Happy learning!

THE ULTIMATE INTERVIEWS GUIDE

Interview Master 100

1. Two Sum [Solution]

2. Valid Parentheses

3. Merge Two Sorted Lists [Solution]

4. Best Time to Buy and Sell Stock [Solution]

5. Valid Palindrome [Solution]

6. Invert Binary Tree

7. Valid Anagram

8. Binary Search

9. Linked List Cycle

10. Maximum Depth of Binary Tree

11. Single Number

12. Reverse Linked List

13. Majority Element

14. Missing Number

15. Reverse String

16. Diameter of Binary Tree

17. Middle of the Linked List

18. Convert Sorted Array to Binary Search Tree

19. Maximum Subarray [Solution]

20. Climbing Stairs [Solution]

21. Symmetric Tree [Solution]

22. Product of Array Except Self [Solution]

23. Best Time to Buy and Sell Stock II

24. House Robber [Solution]

25. Number of 1 Bits

26. Validate Binary Search Tree

27. Min Stack [Solution]

28. Contains Duplicate [Solution]

29. Kth Smallest Element in a BST

30. Merge Intervals [Solution]

31. Set Matrix Zeroes [Solution]

32. Spiral Matrix [Solution]

33. 3Sum [Solution]

34. Binary Tree Zigzag Level Order Traversal

35. Construct Binary Tree from Preorder and Inorder Traversal

36. Container With Most Water [Solution]

37. Flatten Binary Tree to Linked List

38. Group Anagrams

39. Implement Trie (Prefix Tree)

40. Kth Largest Element in an Array

41. Longest Palindromic Substring

42. Longest Substring Without Repeating Characters [Solution]

43. Maximal Square [Solution]

44. Maximum Product Subarray

45. Minimum Window Substring

46. Number of Islands [Solution]

47. Permutations

48. Remove Nth Node From End of List

49. Rotate Image [Solution]

50. Search a 2D Matrix

51. Search in Rotated Sorted Array

52. Subsets [Solution]

53. Top K Frequent Elements [Solution]

54. Trapping Rain Water

55. Two Sum II - Input Array Is Sorted

56. Unique Paths

57. Valid Sudoku

58. Word Break

59. Word Search

60. Add Two Numbers [Solution]

61. Basic Calculator

62. Coin Change

63. Combination Sum

64. Copy List with Random Pointer

65. Course Schedule

66. Design Add and Search Words Data Structure

67. Merge Sorted Array

68. Find Median from Data Stream

69. Game of Life

70. Jump Game

71. Letter Combinations of a Phone Number

72. Longest Consecutive Sequence [Solution]

73. Longest Increasing Subsequence

74. Median of Two Sorted Arrays

75. Merge k Sorted Lists [Solution]

76. Minimum Path Sum

77. Word Search II

78. Reverse Nodes in k-Group

79. Course Schedule II

80. Remove Element

81. Rotate Array

82. Bitwise AND of Numbers Range

83. Palindrome Number

84. Plus One

85. Sqrt(x)

86. Pow(x n) [Solution]

87. Construct Binary Tree from Inorder and Postorder Traversal

88. Path Sum

89. Binary Tree Right Side View

90. Binary Tree Level Order Traversal [Solution]

91. Minimum Absolute Difference in BST

92. Surrounded Regions

93. Clone Graph

94. Evaluate Division

95. Generate Parentheses [Solution]

96. Sort List

97. Maximum Sum Circular Subarray

98. Find Peak Element

99. Find Minimum in Rotated Sorted Array [Solution]

100. Remove Duplicates from Sorted Array

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Sahil + Sarra