6-month Google LeetCode study plan

Easy (35/288)

1. Two Sum
2. Palindrome Number
3. Roman to Integer
4. Longest Common Prefix
5. Valid Parentheses
6. Merge Two Sorted Lists
7. Remove Duplicates from Sorted Array
8. Remove Element
9. Search Insert Position
10. Plus One
11. Climbing Stairs
12. Merge Sorted Array
13. Symmetric Tree
14. Maximum Depth of Binary Tree
15. Balanced Binary Tree
16. Best Time to Buy and Sell Stock
17. Valid Palindrome
18. Single Number
19. Intersection of Two Arrays
20. First Unique Character in a String
21. Ransom Note
22. Reverse String
23. Power of Two
24. Add Digits
25. Move Zeroes
26. Reverse Linked List
27. Palindrome Linked List
28. Contains Duplicate
29. Happy Number
30. Excel Sheet Column Title
31. Power of Three
32. Flood Fill
33. Fibonacci Number
34. Binary Search
35. Middle of the Linked List

Medium (100/507)

Arrays & Strings

1. Longest Substring Without Repeating Characters
2. Container With Most Water
3. 3Sum
4. Letter Combinations of a Phone Number
5. Rotate Image
6. Group Anagrams
7. Spiral Matrix
8. Jump Game
9. Merge Intervals
10. Insert Interval
11. Permutations
12. Rotate Array
13. Word Break
14. Subsets
15. Decode String
16. Longest Increasing Subsequence
17. Fruit Into Baskets
18. Permutation in String
19. Find All Anagrams in a String
20. String Compression

Linked Lists

1. Add Two Numbers
2. Remove Nth Node From End of List
3. Swap Nodes in Pairs
4. Rotate List
5. Copy List with Random Pointer

Trees & Graphs

1. Binary Tree Inorder Traversal
2. Validate Binary Search Tree
3. Binary Tree Level Order Traversal
4. Construct Binary Tree from Preorder and Inorder Traversal
5. Number of Islands
6. Course Schedule
7. Graph Valid Tree
8. Pacific Atlantic Water Flow
9. Number of Provinces

Dynamic Programming

1. House Robber
2. Coin Change
3. Longest Palindromic Substring
4. Word Search
5. Partition Equal Subset Sum
6. Target Sum

Other

1. LRU Cache
2. Min Stack
3. Evaluate Reverse Polish Notation
4. Task Scheduler
5. Find Median from Data Stream

Hard (9/144)

1. Median of Two Sorted Arrays
2. Trapping Rain Water
3. Regular Expression Matching
4. Merge k Sorted Lists
5. Binary Tree Maximum Path Sum
6. Longest Consecutive Sequence
7. Serialize and Deserialize Binary Tree
8. Minimum Window Substring
9. The Skyline Problem