Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2911 | Remove 9 | Hard | Math |
| 2912 | Remove Adjacent Almost-Equal Characters | Medium | StringDynamic ProgrammingGreedy |
| 2913 | Remove All Adjacent Duplicates In String | Easy | StringStack |
| 2914 | Remove All Adjacent Duplicates in String II | Medium | StringStack |
| 2915 | Remove All Occurrences of a Substring | Medium | StringStackSimulation |
| 2916 | Remove All Ones With Row and Column Flips | Medium | ArrayMathBit Manipulation |
| 2917 | Remove All Ones With Row and Column Flips II | Medium | ArrayBit ManipulationBreadth-First Search |
| 2918 | Remove Boxes | Hard | ArrayDynamic ProgrammingMemoization |
| 2919 | Remove Colored Pieces if Both Neighbors are the Same Color | Medium | MathStringGreedy |
| 2920 | Remove Comments | Medium | ArrayString |
| 2921 | Remove Covered Intervals | Medium | ArraySorting |
| 2922 | Remove Digit From Number to Maximize Result | Easy | StringGreedyEnumeration |
| 2923 | Remove Duplicate Letters | Medium | StringStackGreedy |
| 2924 | Remove Duplicates From an Unsorted Linked List | Medium | Hash TableLinked List |
| 2925 | Remove Duplicates from Sorted Array | Easy | ArrayTwo Pointers |
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