Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 990 | Satisfiability of Equality Equations | Medium | ArrayStringUnion Find |
| 991 | Broken Calculator | Medium | MathGreedy |
| 992 | Subarrays with K Different Integers | Hard | ArrayHash TableSliding Window |
| 994 | Rotting Oranges | Medium | ArrayBreadth-First SearchMatrix |
| 995 | Maximum Binary Tree II | Medium | TreeBinary Tree |
| 995 | Minimum Number of K Consecutive Bit Flips | Hard | ArrayBit ManipulationQueue |
| 996 | Number of Squareful Arrays | Hard | ArrayHash TableMath |
| 997 | Find the Town Judge | Easy | ArrayHash TableGraph |
| 999 | Available Captures for Rook | Easy | ArrayMatrixSimulation |
| 1000 | Minimum Cost to Merge Stones | Hard | ArrayDynamic ProgrammingPrefix Sum |
| 1001 | Grid Illumination | Hard | ArrayHash Table |
| 1002 | Find Common Characters | Easy | ArrayHash TableString |
| 1003 | Check If Word Is Valid After Substitutions | Medium | StringStack |
| 1004 | Max Consecutive Ones III | Medium | ArrayBinary SearchSliding Window |
| 1005 | Maximize Sum Of Array After K Negations | Easy | ArrayGreedySorting |
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