Practice problems across 75+ categories
Practice problems frequently asked at Simulation • 185 problems | 78 Easy | 92 Medium | 14 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 121 | Multiply Strings | Medium | MathStringSimulation |
| 122 | Number of Orders in the Backlog | Medium | ArrayHeap (Priority Queue)Simulation |
| 123 | Number of People Aware of a Secret | Medium | Dynamic ProgrammingQueueSimulation |
| 124 | Number of Spaces Cleaning Robot Cleaned | Medium | ArrayMatrixSimulation |
| 125 | Number of Steps to Reduce a Number in Binary Representation to One | Medium | StringBit ManipulationSimulation |
| 126 | Number of Students Unable to Eat Lunch | Easy | ArrayStackQueue |
| 127 | Number of Valid Move Combinations On Chessboard | Hard | ArrayStringBacktracking |
| 128 | Output Contest Matches | Medium | StringRecursionSimulation |
| 129 | Partition Array According to Given Pivot | Medium | ArrayTwo PointersSimulation |
| 130 | Partition String | Unknown | Hash TableStringTrie |
| 131 | Pass the Pillow | Easy | MathSimulation |
| 132 | Pour Water | Medium | ArraySimulation |
| 133 | Print Words Vertically | Medium | ArrayStringSimulation |
| 134 | Queens That Can Attack the King | Medium | ArrayMatrixSimulation |
| 135 | Queries on a Permutation With Key | Medium | ArrayBinary Indexed TreeSimulation |
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