MACHINE LEARNING INTERVIEW PREPARATION RESOURCES LeetCode HackerRank BOOKS Data Structures & Algorithms in Python -Michael T. Goodrich Deep Learning Interviews -Shlomo Kashani EASY QUESTIONS Name of Question Status of Completion Solution 1. Two Sum ✅✅ Image 2. Roman to Integer ✅✅ Image 3. Longest Common Prefix ✅ Image 4. Intersection of Two Arrays II ✅ Image 5. Reverse String ✅ Image 6. Move Zeroes ✅ Image 7. Reverse Linked List ✅✅ Image 8. Revising Select Query II ✅☮ Image 9. Revising Select Query I ✅☮ Image 10. Select All ✅☮ Image 11. Select By ID ✅☮ Image 12. Sqrt ✅ Image 13. Merge Sorted Array ✅ Image 14. Majority Element ✅✅ Image 15. First Unique Character in String ✅ Image 16. Climbing Stairs ✅✅ Image 17. Japanese Cities Names ✅☮ Image 18. Plus One ✅ Image 19. Contains Duplicate ✅✅ Image 20. Pascal's Triangle ✅ Image 21. Delete Node in a Linked List ✅ Image 22. Valid Parentheses ✅✅ Image 23. Merge Sorted Lists ✅✅ Image 24. Valid Palindrome ✅ Image 25. Japanese Cities Names II ✅☮ Image 26. Maximum Depth of Binary Tree ✅ Image 27. Convert Sorted Array to Binary Search Tree ✅ Image 28. Maximum Subarray ✅✅ Image 29. Power of Three ✅ Image 30. Excel Sheet Column Number ✅ Image 31. Excel Sheet Column Title ✅ Image 32. Missing Number ✅✅ Image 33. Single Number ✅✅ Image 34. Best Time to Buy and Sell Stock ✅✅ Image 35. Remove Duplicates from Sorted Array ✅ Image 36. Fizz Buzz ✅ Image 37. Valid Anagram ✅ Image 38. Binary Tree Inorder Traversal ✅ Image 39. Symmetric Tree ✅ Image 40. Minimum Absolute Difference ✅ Image 41. Power of Two ✅ Image 42. Add Binary ✅ Image 43. Intersection of Linked Lists ✅ Image 44. Implement Str ✅ Image 45. Remove Linked List Elements ✅✅ Image 46. Invert Binary Tree ✅✅ Image 47. First Bad Version ✅ Image 48. Add Strings ✅ Image 49. Longest Continuous Increasing Subsequence ✅ Image 50. Valid Palindrome II ✅ Image 51. Unique Email Addresses ✅ Image 52. Verifying Alien Dictionary ✅ Image 53. Squares of Sorted Array ✅✅ Image 54. Remove All Adjacent Duplicates ✅ Image 55. Linked List Cycle ✅ Image 56. Find All Numbers Disappeared in Array ✅✅ Image 57. Range Sum Query ✅ Image 58. Palindrome Linked List ✅ Image 59. Remove Duplicates from Sorted List ✅ Image 60. Peak Index in a Mountain Array ✅ Image 61. Average of Levels in Binary Tree ✅ Image 62. Minimum Depth of Binary Tree ✅ Image 63. Same Tree ✅ Image 64. Path Sum ✅ Image 65. Diameter of Binary Tree ✅ Image 66. Lowest Common Ancestor of a Binary Search Tree ✅ Image 67. Subtree of Another Tree ✅ Image 68. Backspace String Compare ✅ Image 69. Word Pattern ✅ Image 70. Type of Triangle ✅☮ Image MEDIUM QUESTIONS Name of Question Status of Completion Solution 1. Add Two Numbers ✅ Image 2. Longest Substring Without Repeating Characters ✅ Image 3. Letter Combinations of a Phone Number ✅ Image 4. Remove Nth Node from End of List ✅ Image 5. Divide Two Integers ✅ Image 6. Next Permutation ✅ Image 7. Find First and Last Position of Element ✅ Image 8. Combination Sum ✅ Image 9. Combination Sum II ✅ Image 10. Permutations ✅ Image 11. Merge Intervals ✅ Image 12. Unique Paths II ✅ Image 13. Simplify Path ✅ Image 14. Validate Binary Search Tree ✅ Image 15. Binary Tree Level Order Traversal ✅ Image 16. Construct Binary Tree from Preorder and Inorder ✅ Image 17. Populating Next Right Pointers in Each Node ✅ Image 18. Clone Graph ✅ Image 19. Copy List with Random Pointer ✅ Image 20. Word Break ✅ Image 21. Find Minimum in Rotated Sorted Array ✅ Image 22. Binary Search Tree Iterator ✅ Image 23. Rotate Array ✅ Image 24. Binary Tree Right Side View ✅ Image 25. Course Schedule ✅ Image 26. Course Schedule II ✅ Image 27. Design Add and Search Words DS ✅ Image 28. String to Integer ✅ Image 29. Kth Largest Element in an Array ✅ Image 30. The PADS ✅☮ Image 31. Basic Calculator ✅ Image 32. Lowest Common Ancestor of Binary Tree ✅ Image 33. Product of Array Except Self ✅ Image 34. Peeking Iterator ✅ Image 35. Coin Change ✅ Image 36. Linked List Cycle II ✅ Image 37. Koko Eating Bananas ✅ Image 38. Gas Station ✅ Image 39. Decode String ✅ Image 40. Integer Replacement ✅ Image 41. Partition Equal Subset Sum ✅ Image 43. Sequential Digits ✅ Image 44. Pacific Atlantic Water Flow ✅ Image 45. Path Sum III ✅ Image 46. Continuous Subarray Sum ✅ Image 47. Single ELement in a Sorted Array ✅ Image 48. Subarray Sum Equals K ✅ Image 49. Design Circular Deque ✅ Image Image 50. Find K Closest Elementsl ✅ Image 51. Maximum Swap ✅ Image
