Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2309 | Selling Pieces of Wood | Hard | ArrayDynamic ProgrammingMemoization |
| 2310 | Minimum Flips in Binary Tree to Get Result | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 2310 | Sum of Numbers With Units Digit K | Medium | MathDynamic ProgrammingGreedy |
| 2311 | Longest Binary Subsequence Less Than or Equal to K | Medium | StringDynamic ProgrammingGreedy |
| 2314 | The First Day of the Maximum Recorded Degree in Each City | Medium | Database |
| 2315 | Count Asterisks | Easy | String |
| 2316 | Count Unreachable Pairs of Nodes in an Undirected Graph | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 2317 | Maximum XOR After Operations | Medium | ArrayMathBit Manipulation |
| 2318 | Number of Distinct Roll Sequences | Hard | Dynamic ProgrammingMemoization |
| 2319 | Check if Matrix Is X-Matrix | Easy | ArrayMatrix |
| 2319 | Minimum Score After Removals on a Tree | Hard | ArrayBit ManipulationTree |
| 2320 | Count Number of Ways to Place Houses | Medium | Dynamic Programming |
| 2321 | Maximum Score Of Spliced Array | Hard | ArrayDynamic Programming |
| 2323 | Find Minimum Time to Finish All Jobs II | Medium | ArrayGreedySorting |
| 2323 | Spiral Matrix IV | Medium | ArrayLinked ListMatrix |
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