Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 901 | Find the Count of Numbers Which Are Not Special | Medium | ArrayMathNumber Theory |
| 902 | Find the Difference | Easy | Hash TableStringBit Manipulation |
| 903 | Find the Difference of Two Arrays | Easy | ArrayHash Table |
| 904 | Find the Distance Value Between Two Arrays | Easy | ArrayTwo PointersBinary Search |
| 905 | Find the Distinct Difference Array | Easy | ArrayHash Table |
| 906 | Find the Divisibility Array of a String | Medium | ArrayMathString |
| 907 | Find the Duplicate Number | Medium | ArrayTwo PointersBinary Search |
| 908 | Find the Encrypted String | Easy | String |
| 909 | Find The First Player to win K Games in a Row | Medium | ArraySimulation |
| 910 | Find the Grid of Region Average | Medium | ArrayMatrix |
| 911 | Find the Highest Altitude | Easy | ArrayPrefix Sum |
| 912 | Find the Index of Permutation | Medium | ArrayBinary SearchDivide and Conquer |
| 913 | Find the Index of the First Occurrence in a String | Easy | Two PointersStringString Matching |
| 914 | Find the Index of the Large Integer | Medium | ArrayBinary SearchInteractive |
| 915 | Find the Integer Added to Array I | Easy | Array |
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