Practice problems across 75+ categories
Practice problems frequently asked at Randomized • 12 problems | 0 Easy | 9 Medium | 3 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Best Position for a Service Centre | Hard | ArrayMathGeometry |
| 2 | Generate Random Point in a Circle | Medium | MathGeometryRejection Sampling |
| 3 | Implement Rand10() Using Rand7() | Medium | MathRejection SamplingRandomized |
| 4 | Insert Delete GetRandom O(1) | Medium | ArrayHash TableMath |
| 5 | Insert Delete GetRandom O(1) - Duplicates allowed | Hard | ArrayHash TableMath |
| 6 | Linked List Random Node | Medium | Linked ListMathReservoir Sampling |
| 7 | Random Flip Matrix | Medium | Hash TableMathReservoir Sampling |
| 8 | Random Pick Index | Medium | Hash TableMathReservoir Sampling |
| 9 | Random Pick with Blacklist | Hard | ArrayHash TableMath |
| 10 | Random Pick with Weight | Medium | ArrayMathBinary Search |
| 11 | Random Point in Non-overlapping Rectangles | Medium | ArrayMathBinary Search |
| 12 | Shuffle an Array | Medium | ArrayMathDesign |
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