Practice problems across 75+ categories
Practice problems frequently asked at Backtracking • 109 problems | 3 Easy | 73 Medium | 32 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 46 | Maximum Number of Achievable Transfer Requests | Hard | ArrayBacktrackingBit Manipulation |
| 47 | Maximum Path Quality of a Graph | Hard | ArrayBacktrackingGraph |
| 48 | Maximum Points in an Archery Competition | Medium | ArrayBacktrackingBit Manipulation |
| 49 | Maximum Product of the Length of Two Palindromic Subsequences | Medium | StringDynamic ProgrammingBacktracking |
| 50 | Maximum Rows Covered by Columns | Medium | ArrayBacktrackingBit Manipulation |
| 51 | Maximum Score Words Formed by Letters | Hard | ArrayHash TableString |
| 52 | Maximum Split of Positive Even Integers | Medium | MathBacktrackingGreedy |
| 53 | Maximum Strength of a Group | Medium | ArrayDynamic ProgrammingBacktracking |
| 54 | Minimum Number of Lines to Cover Points | Medium | ArrayHash TableMath |
| 55 | Minimum Number of Work Sessions to Finish the Tasks | Medium | ArrayDynamic ProgrammingBacktracking |
| 56 | Minimum Time to Break Locks I | Medium | ArrayDynamic ProgrammingBacktracking |
| 57 | Minimum Unique Word Abbreviation | Hard | ArrayStringBacktracking |
| 58 | N-Queens | Hard | ArrayBacktracking |
| 59 | N-Queens II | Hard | Backtracking |
| 60 | Next Closest Time | Medium | Hash TableStringBacktracking |
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