Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1621 | K-th Smallest in Lexicographical Order | Hard | Trie |
| 1622 | K-th Smallest Prime Fraction | Medium | ArrayTwo PointersBinary Search |
| 1623 | K-th Symbol in Grammar | Medium | MathBit ManipulationRecursion |
| 1624 | Kaprekar Number Checker | Easy | LoopsLoopMath |
| 1625 | Keep Multiplying Found Values by Two | Easy | ArrayHash TableSorting |
| 1626 | Keyboard Row | Easy | ArrayHash TableString |
| 1627 | Keys and Rooms | Medium | Depth-First SearchBreadth-First SearchGraph |
| 1628 | Kids With the Greatest Number of Candies | Easy | Array |
| 1629 | Kill Process | Medium | ArrayHash TableTree |
| 1630 | KMP String Matching | Hard | Advanced AlgorithmsStringFailure Function |
| 1631 | Knapsack Problem | Medium | Dynamic ProgrammingDP2D Array |
| 1632 | Knight Dialer | Medium | Dynamic Programming |
| 1633 | Knight Probability in Chessboard | Medium | Dynamic Programming |
| 1634 | Koko Eating Bananas | Medium | ArrayBinary Search |
| 1635 | Kth Ancestor of a Tree Node | Hard | Binary SearchDynamic ProgrammingBit Manipulation |
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