Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3286 | Tweet Counts Per Frequency | Medium | Hash TableStringBinary Search |
| 3287 | Two Best Non-Overlapping Events | Medium | ArrayBinary SearchDynamic Programming |
| 3288 | Two City Scheduling | Medium | ArrayGreedySorting |
| 3289 | Two Furthest Houses With Different Colors | Easy | ArrayGreedy |
| 3290 | Two Out of Three | Easy | ArrayHash TableBit Manipulation |
| 3291 | Two Sum | Easy | ArrayHash Table |
| 3292 | Two Sum BSTs | Medium | Two PointersBinary SearchStack |
| 3293 | Two Sum II - Input Array Is Sorted | Medium | ArrayTwo PointersBinary Search |
| 3294 | Two Sum III - Data structure design | Easy | ArrayHash TableTwo Pointers |
| 3295 | Two Sum IV - Input is a BST | Unknown | Hash TableTwo PointersTree |
| 3296 | Two Sum Less Than K | Easy | ArrayTwo PointersBinary Search |
| 3297 | Type of Triangle | Easy | ArrayMathSorting |
| 3298 | Ugly Number | Easy | Math |
| 3299 | Ugly Number II | Medium | Hash TableMathDynamic Programming |
| 3300 | Ugly Number III | Medium | MathBinary SearchCombinatorics |
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