Practice problems across 75+ categories
Practice problems frequently asked at Dynamic Programming • 602 problems | 14 Easy | 295 Medium | 290 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 241 | Longest String Chain | Medium | ArrayHash TableTwo Pointers |
| 242 | Longest Subarray of 1's After Deleting One Element | Medium | ArrayDynamic ProgrammingSliding Window |
| 243 | Longest Subsequence With Decreasing Adjacent Difference | Medium | ArrayDynamic Programming |
| 244 | Longest Turbulent Subarray | Medium | ArrayDynamic ProgrammingSliding Window |
| 245 | Longest Unequal Adjacent Groups Subsequence I | Easy | ArrayStringDynamic Programming |
| 246 | Longest Unequal Adjacent Groups Subsequence II | Medium | ArrayStringDynamic Programming |
| 247 | Longest Valid Parentheses | Hard | StringDynamic ProgrammingStack |
| 248 | Longest Winning Streak | Hard | DatabaseHash TableSliding Window |
| 249 | Longest ZigZag Path in a Binary Tree | Medium | Dynamic ProgrammingTreeDepth-First Search |
| 250 | Make Array Non-decreasing or Non-increasing | Hard | Dynamic ProgrammingGreedy |
| 251 | Make Array Strictly Increasing | Hard | ArrayBinary SearchDynamic Programming |
| 252 | Make Costs of Paths Equal in a Binary Tree | Medium | ArrayDynamic ProgrammingGreedy |
| 253 | Make the XOR of All Segments Equal to Zero | Hard | ArrayDynamic ProgrammingBit Manipulation |
| 254 | Matchsticks to Square | Medium | ArrayDynamic ProgrammingBacktracking |
| 255 | Matrix Chain Multiplication | Medium | Dynamic ProgrammingDP2D Array |
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