Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 901 | Final Array State After K Multiplication Operations I | Easy | ArrayMathHeap (Priority Queue) |
| 902 | Final Array State After K Multiplication Operations II | Hard | ArrayHeap (Priority Queue)Simulation |
| 903 | Final Prices With a Special Discount in a Shop | Easy | ArrayStackMonotonic Stack |
| 904 | Final Value of Variable After Performing Operations | Easy | ArrayStringSimulation |
| 905 | Find a Corresponding Node of a Binary Tree in a Clone of That Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 906 | Find a Good Subset of the Matrix | Hard | ArrayHash TableBit Manipulation |
| 907 | Find a Peak Element II | Medium | ArrayBinary SearchMatrix |
| 908 | Find a Safe Walk Through a Grid | Medium | ArrayBreadth-First SearchGraph |
| 909 | Find a Value of a Mysterious Function Closest to Target | Hard | ArrayBinary SearchBit Manipulation |
| 910 | Find Active Users | Medium | Database |
| 911 | Find All Anagrams in a String | Medium | Hash TableStringSliding Window |
| 912 | Find All Duplicates in an Array | Medium | ArrayHash TableSorting |
| 913 | Find All Good Indices | Medium | ArrayDynamic ProgrammingPrefix Sum |
| 914 | Find All Good Strings | Hard | StringDynamic ProgrammingString Matching |
| 915 | Find All Groups of Farmland | Medium | ArrayDepth-First SearchBreadth-First Search |
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