| 5. Longest Palindromic Substring | | | Solve | Medium | | |
| 10. Regular Expression Matching | | | Solve | Hard | | |
| 22. Generate Parentheses | | | Solve | Medium | | |
| 32. Longest Valid Parentheses | | | Solve | Hard | | |
| 42. Trapping Rain Water | | | Solve | Hard | | |
| 44. Wildcard Matching | | | Solve | Hard | | |
| 45. Jump Game II | | | Solve | Medium | | |
| 53. Maximum Subarray | | | Solve | Medium | | |
| 55. Jump Game | | | Solve | Medium | | |
| 62. Unique Paths | | | Solve | Medium | | |
| 63. Unique Paths II | | | Solve | Medium | | |
| 64. Minimum Path Sum | | | Solve | Medium | | |
| 70. Climbing Stairs | | | Solve | Easy | | |
| 72. Edit Distance | | | Solve | Medium | | |
| 85. Maximal Rectangle | | | Solve | Hard | | |
| 87. Scramble String | | | Solve | Hard | | |
| 91. Decode Ways | | | Solve | Medium | | |
| 95. Unique Binary Search Trees II | | | Solve | Medium | | |
| 96. Unique Binary Search Trees | | | Solve | Medium | | |
| 97. Interleaving String | | | Solve | Medium | | |
| 115. Distinct Subsequences | | | Solve | Hard | | |
| 118. Pascal's Triangle | | | Solve | Easy | | |
| 119. Pascal's Triangle II | | | Solve | Easy | | |
| 120. Triangle | | | Solve | Medium | | |
| 121. Best Time to Buy and Sell Stock | | | Solve | Easy | | |
| 122. Best Time to Buy and Sell Stock II | | | Solve | Medium | | |
| 123. Best Time to Buy and Sell Stock III | | | Solve | Hard | | |
| 124. Binary Tree Maximum Path Sum | | | Solve | Hard | | |
| 131. Palindrome Partitioning | | | Solve | Medium | | |
| 132. Palindrome Partitioning II | | | Solve | Hard | | |
| 139. Word Break | | | Solve | Medium | | |
| 140. Word Break II | | | Solve | Hard | | |
| 152. Maximum Product Subarray | | | Solve | Medium | | |
| 174. Dungeon Game | | | Solve | Hard | | |
| 188. Best Time to Buy and Sell Stock IV | | | Solve | Hard | | |
| 198. House Robber | | | Solve | Medium | | |
| 213. House Robber II | | | Solve | Medium | | |
| 221. Maximal Square | | | Solve | Medium | | |
| 233. Number of Digit One | | | Solve | Hard | | |
| 241. Different Ways to Add Parentheses | | | Solve | Medium | | |
| 256. Paint House | | | Solve | Medium | | |
| 264. Ugly Number II | | | Solve | Medium | | |
| 265. Paint House II | | | Solve | Hard | | |
| 276. Paint Fence | | | Solve | Medium | | |
| 279. Perfect Squares | | | Solve | Medium | | |
| 294. Flip Game II | | | Solve | Medium | | |
| 300. Longest Increasing Subsequence | | | Solve | Medium | | |
| 309. Best Time to Buy and Sell Stock with Cooldown | | | Solve | Medium | | |
| 312. Burst Balloons | | | Solve | Hard | | |
| 313. Super Ugly Number | | | Solve | Medium | | |