Practice problems across 75+ categories
Practice problems frequently asked at Bitmask • 54 problems | 0 Easy | 17 Medium | 37 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Android Unlock Patterns | Medium | Dynamic ProgrammingBacktrackingBit Manipulation |
| 2 | Beautiful Arrangement | Medium | ArrayDynamic ProgrammingBacktracking |
| 3 | Bitmask DP Scheduler | Hard | Advanced DPDPBitmask |
| 4 | Campus Bikes II | Medium | ArrayDynamic ProgrammingBacktracking |
| 5 | Can I Win | Medium | MathDynamic ProgrammingBit Manipulation |
| 6 | Closest Subsequence Sum | Hard | ArrayTwo PointersDynamic Programming |
| 7 | Concatenated Divisibility | Hard | ArrayDynamic ProgrammingBit Manipulation |
| 8 | Count Paths That Can Form a Palindrome in a Tree | Hard | Dynamic ProgrammingBit ManipulationTree |
| 9 | Count Subtrees With Max Distance Between Cities | Hard | Dynamic ProgrammingBit ManipulationTree |
| 10 | Count the Number of Square-Free Subsets | Medium | ArrayMathDynamic Programming |
| 11 | Counting Tilings | Hard | Advanced DPDPBitmask |
| 12 | Distribute Repeating Integers | Hard | ArrayDynamic ProgrammingBacktracking |
| 13 | Fair Distribution of Cookies | Medium | ArrayDynamic ProgrammingBacktracking |
| 14 | Find Minimum Time to Finish All Jobs | Hard | ArrayDynamic ProgrammingBacktracking |
| 15 | Find Sum of Array Product of Magical Sequences | Hard | ArrayMathDynamic Programming |
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