Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2986 | Smallest Substring With Identical Characters I | Hard | ArrayBinary SearchEnumeration |
| 2987 | Smallest Substring With Identical Characters II | Hard | StringBinary Search |
| 2988 | Smallest Subtree with all the Deepest Nodes | Medium | Hash TableTreeDepth-First Search |
| 2989 | Smallest Sufficient Team | Hard | ArrayDynamic ProgrammingBit Manipulation |
| 2990 | Smallest Value After Replacing With Sum of Prime Factors | Medium | MathSimulationNumber Theory |
| 2991 | Smallest Value of the Rearranged Number | Medium | MathSorting |
| 2992 | Snail Traversal | Medium | JavaScript |
| 2993 | Snake in Matrix | Easy | ArrayStringSimulation |
| 2994 | Snakes and Ladders | Medium | ArrayBreadth-First SearchMatrix |
| 2995 | Snapshot Array | Medium | ArrayHash TableBinary Search |
| 2996 | Solve the Equation | Medium | MathStringSimulation |
| 2997 | Solving Questions With Brainpower | Medium | ArrayDynamic Programming |
| 2998 | Sort an Array | Medium | ArrayDivide and ConquerSorting |
| 2999 | Sort Array by Increasing Frequency | Easy | ArrayHash TableSorting |
| 3000 | Sort Array by Moving Items to Empty Space | Hard | ArrayGreedySorting |
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