Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1741 | Masking Personal Information | Medium | String |
| 1742 | Match Alphanumerical Pattern in Matrix I | Medium | ArrayHash TableString |
| 1743 | Match Substring After Replacement | Hard | ArrayHash TableString |
| 1744 | Matchsticks to Square | Medium | ArrayDynamic ProgrammingBacktracking |
| 1745 | Matrix Block Sum | Medium | ArrayMatrixPrefix Sum |
| 1746 | Matrix Cells in Distance Order | Easy | ArrayMathGeometry |
| 1747 | Matrix Diagonal Sum | Easy | ArrayMatrix |
| 1748 | Matrix Similarity After Cyclic Shifts | Easy | ArrayMathMatrix |
| 1749 | Max Area of Island | Medium | ArrayDepth-First SearchBreadth-First Search |
| 1750 | Max Chunks To Make Sorted | Medium | ArrayStackGreedy |
| 1751 | Max Chunks To Make Sorted II | Hard | ArrayStackGreedy |
| 1752 | Max Consecutive Ones | Easy | Array |
| 1753 | Max Consecutive Ones II | Medium | ArrayDynamic ProgrammingSliding Window |
| 1754 | Max Consecutive Ones III | Medium | ArrayBinary SearchSliding Window |
| 1755 | Max Difference You Can Get From Changing an Integer | Medium | MathGreedy |
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