Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3029 | Minimum Time to Revert Word to Initial State I | Medium | StringRolling HashString Matching |
| 3031 | Minimum Time to Revert Word to Initial State II | Hard | StringRolling HashString Matching |
| 3032 | Count Numbers With Unique Digits II | Easy | Hash TableMathDynamic Programming |
| 3033 | Modify the Matrix | Easy | ArrayMatrix |
| 3034 | Number of Subarrays That Match a Pattern I | Medium | ArrayRolling HashString Matching |
| 3035 | Maximum Palindromes After Operations | Medium | ArrayHash TableString |
| 3036 | Number of Subarrays That Match a Pattern II | Hard | ArrayRolling HashString Matching |
| 3037 | Find Pattern in Infinite Stream II | Hard | ArraySliding WindowRolling Hash |
| 3038 | Maximum Number of Operations With the Same Score I | Easy | ArraySimulation |
| 3039 | Apply Operations to Make String Empty | Medium | ArrayHash TableSorting |
| 3040 | Maximum Number of Operations With the Same Score II | Medium | ArrayDynamic ProgrammingMemoization |
| 3041 | Maximize Consecutive Elements in an Array After Modification | Hard | ArrayDynamic ProgrammingSorting |
| 3042 | Count Prefix and Suffix Pairs I | Easy | ArrayStringTrie |
| 3043 | Find the Length of the Longest Common Prefix | Medium | ArrayHash TableString |
| 3044 | Most Frequent Prime | Medium | ArrayHash TableMath |
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