Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1666 | Maximum XOR of Two Non-Overlapping Subtrees | Hard | TreeDepth-First SearchGraph |
| 1667 | Maximum XOR of Two Numbers in an Array | Medium | ArrayHash TableBit Manipulation |
| 1668 | Maximum Xor Product | Medium | MathGreedyBit Manipulation |
| 1669 | Maximum XOR Score Subarray Queries | Hard | ArrayDynamic Programming |
| 1670 | Maximum XOR With an Element From Array | Hard | ArrayBit ManipulationTrie |
| 1671 | Median Employee Salary | Hard | Database |
| 1672 | Median of a Row Wise Sorted Matrix | Unknown | ArrayBinary SearchMatrix |
| 1673 | Median of Two Sorted Arrays | Hard | ArrayBinary SearchDivide and Conquer |
| 1674 | Meeting Rooms | Easy | ArraySorting |
| 1675 | Meeting Rooms II | Medium | ArrayTwo PointersGreedy |
| 1676 | Meeting Rooms III | Hard | ArrayHash TableSorting |
| 1677 | Meeting Scheduler | Medium | ArrayTwo PointersSorting |
| 1678 | Memoize | Medium | JavaScript |
| 1679 | Memoize II | Hard | JavaScript |
| 1680 | Merge In Between Linked Lists | Medium | Linked List |
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