Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2896 | Redistribute Characters to Make All Strings Equal | Easy | Hash TableStringCounting |
| 2897 | Reduce Array Size to The Half | Medium | ArrayHash TableGreedy |
| 2898 | Reducing Dishes | Easy | ArrayDynamic ProgrammingGreedy |
| 2899 | Reduction Operations to Make the Array Elements Equal | Medium | ArraySorting |
| 2900 | Redundant Connection | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 2901 | Redundant Connection II | Hard | Depth-First SearchBreadth-First SearchUnion Find |
| 2902 | Reformat Date | Easy | String |
| 2903 | Reformat Department Table | Easy | Database |
| 2904 | Reformat Phone Number | Easy | String |
| 2905 | Reformat The String | Easy | String |
| 2906 | Regions Cut By Slashes | Medium | ArrayHash TableDepth-First Search |
| 2907 | Regular Expression Matching | Hard | StringDynamic ProgrammingRecursion |
| 2908 | Relative Ranks | Easy | ArraySortingHeap (Priority Queue) |
| 2909 | Relative Sort Array | Easy | ArrayHash TableSorting |
| 2910 | Relocate Marbles | Medium | ArrayHash TableSorting |
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