Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1396 | K Highest Ranked Items Within a Price Range | Medium | ArrayBreadth-First SearchSorting |
| 1397 | K Inverse Pairs Array | Hard | Dynamic Programming |
| 1398 | K Items With the Maximum Sum | Easy | MathGreedy |
| 1399 | K Radius Subarray Averages | Medium | ArraySliding Window |
| 1400 | K-Similar Strings | Hard | Hash TableStringBreadth-First Search |
| 1401 | K-th Largest Perfect Subtree Size in Binary Tree | Medium | TreeDepth-First SearchSorting |
| 1402 | K-th Nearest Obstacle Queries | Medium | ArrayHeap (Priority Queue) |
| 1403 | K-th Smallest in Lexicographical Order | Hard | Trie |
| 1404 | K-th Smallest Prime Fraction | Medium | ArrayTwo PointersBinary Search |
| 1405 | K-th Symbol in Grammar | Medium | MathBit ManipulationRecursion |
| 1406 | Keep Multiplying Found Values by Two | Easy | ArrayHash TableSorting |
| 1407 | Keyboard Row | Easy | ArrayHash TableString |
| 1408 | Keys and Rooms | Medium | Depth-First SearchBreadth-First SearchGraph |
| 1409 | Kids With the Greatest Number of Candies | Easy | Array |
| 1410 | Kill Process | Medium | ArrayHash TableTree |
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