Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1906 | Three Equal Parts | Hard | ArrayMath |
| 1907 | Time Needed to Buy Tickets | Easy | ArrayQueueSimulation |
| 1908 | Time Slot Scheduler | Medium | ArraysArraySorting |
| 1909 | Time Taken to Cross the Door | Hard | ArrayQueueSimulation |
| 1910 | Time to Cross a Bridge | Hard | ArrayHeap (Priority Queue)Simulation |
| 1911 | Toeplitz Matrix | Easy | ArrayMatrix |
| 1912 | Top K Frequent Elements | Medium | ArrayHash TableDivide and Conquer |
| 1913 | Top K Frequent Words | Medium | ArrayHash TableString |
| 1914 | Toss Strange Coins | Medium | ArrayMathDynamic Programming |
| 1915 | Total Cost to Hire K Workers | Medium | ArrayTwo PointersHeap (Priority Queue) |
| 1916 | Total Hamming Distance | Medium | ArrayMathBit Manipulation |
| 1917 | Transform Array by Parity | Easy | ArraySortingCounting |
| 1918 | Transform Array to All Equal Elements | Medium | ArrayGreedy |
| 1919 | Transform to Chessboard | Hard | ArrayMathBit Manipulation |
| 1920 | Transformed Array | Easy | ArraySimulation |
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