Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2476 | My Calendar III | Hard | Binary SearchDesignSegment Tree |
| 2477 | N-ary Tree Level Order Traversal | Medium | TreeBreadth-First Search |
| 2478 | N-ary Tree Postorder Traversal | Easy | StackTreeDepth-First Search |
| 2479 | N-ary Tree Preorder Traversal | Easy | StackTreeDepth-First Search |
| 2480 | N-Queens | Hard | ArrayBacktracking |
| 2481 | N-Queens II | Hard | Backtracking |
| 2482 | N-Repeated Element in Size 2N Array | Easy | ArrayHash Table |
| 2483 | N-th Tribonacci Number | Easy | MathDynamic ProgrammingMemoization |
| 2484 | Naming a Company | Hard | ArrayHash TableString |
| 2485 | Nearest Exit from Entrance in Maze | Medium | ArrayBreadth-First SearchMatrix |
| 2486 | Neighboring Bitwise XOR | Medium | ArrayBit Manipulation |
| 2487 | Neither Minimum nor Maximum | Easy | ArraySorting |
| 2488 | Nested Array Generator | Medium | JavaScript |
| 2489 | Nested List Weight Sum | Medium | Depth-First SearchBreadth-First Search |
| 2490 | Nested List Weight Sum II | Medium | StackDepth-First SearchBreadth-First Search |
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