Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2626 | Random Pick with Blacklist | Hard | ArrayHash TableMath |
| 2627 | Random Pick with Weight | Medium | ArrayMathBinary Search |
| 2628 | Random Point in Non-overlapping Rectangles | Medium | ArrayMathBinary Search |
| 2629 | Range Addition | Medium | ArrayPrefix Sum |
| 2630 | Range Addition II | Easy | ArrayMath |
| 2631 | Range Frequency Queries | Medium | ArrayHash TableBinary Search |
| 2632 | Range Module | Hard | DesignSegment TreeOrdered Set |
| 2633 | Range Product Queries of Powers | Medium | ArrayBit ManipulationPrefix Sum |
| 2634 | Range Sum of BST | Easy | TreeDepth-First SearchBinary Search Tree |
| 2635 | Range Sum of Sorted Subarray Sums | Medium | ArrayTwo PointersBinary Search |
| 2636 | Range Sum Query 2D - Immutable | Medium | ArrayDesignMatrix |
| 2637 | Range Sum Query 2D - Mutable | Medium | ArrayDesignBinary Indexed Tree |
| 2638 | Range Sum Query - Immutable | Easy | ArrayDesignPrefix Sum |
| 2639 | Range Sum Query - Mutable | Easy | ArrayDivide and ConquerDesign |
| 2640 | Range XOR Queries with Subarray Reversals | Hard | ArrayTreeBinary Tree |
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