Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1291 | Guess the Number Using Bitwise Questions I | Medium | Bit ManipulationInteractive |
| 1292 | Guess the Number Using Bitwise Questions II | Medium | Bit ManipulationInteractive |
| 1293 | Guess the Word | Hard | ArrayMathString |
| 1294 | H-Index | Medium | ArraySortingCounting Sort |
| 1295 | H-Index II | Medium | ArrayBinary Search |
| 1296 | Hamming Distance | Easy | Bit Manipulation |
| 1297 | Hand of Straights | Medium | ArrayHash TableGreedy |
| 1298 | Handling Sum Queries After Update | Hard | ArraySegment Tree |
| 1299 | Handshakes That Don't Cross | Hard | MathDynamic Programming |
| 1300 | Happy Number | Easy | Hash TableMathTwo Pointers |
| 1301 | Happy Students | Medium | ArraySortingEnumeration |
| 1302 | Harshad Number | Easy | Math |
| 1303 | Hash Divided String | Medium | StringSimulation |
| 1304 | Heaters | Medium | ArrayTwo PointersBinary Search |
| 1305 | Height Checker | Easy | ArraySortingCounting Sort |
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