Book X · Chapter 9
Complete core coverage
Reuse the main patterns across bits, strings, matrices, trees, graphs, intervals, and caches.
Chapter contents
32 entries · read in order- 01 Contains Duplicate✓ Question
- 02 Maximum Subarray✓ Question
- 03 Best Time to Buy and Sell Stock✓ Question
- 04 Maximum Product Subarray✓ Question
- 05 Number of 1 Bits✓ Question
- 06 Counting Bits✓ Question
- 07 Missing Number✓ Question
- 08 Reverse Bits✓ Question
- 09 Sum of Two Integers✓ Question
- 10 Coin Change✓ Question
- 11 Longest Increasing Subsequence✓ Question
- 12 Word Break✓ Question
- 13 Combination Sum IV✓ Question
- 14 House Robber II✓ Question
- 15 Decode Ways✓ Question
- 16 Unique Paths✓ Question
- 17 Graph Valid Tree✓ Question
- 18 Number of Connected Components✓ Question
- 19 Meeting Rooms✓ Question
- 20 Reorder List✓ Question
- 21 Set Matrix Zeroes✓ Question
- 22 Spiral Matrix✓ Question
- 23 Rotate Image✓ Question
- 24 Valid Palindrome✓ Question
- 25 Longest Palindromic Substring✓ Question
- 26 Palindromic Substrings✓ Question
- 27 Encode and Decode Strings✓ Question
- 28 Construct Tree From Preorder and Inorder Traversal✓ Question
- 29 Validate Binary Search Tree✓ Question
- 30 Kth Smallest Element in a BST✓ Question
- 31 Lowest Common Ancestor in a BST✓ Question
- 32 LRU Cache✓ Question