Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2491 | Number of Wonderful Substrings | Medium | Hash TableStringBit Manipulation |
| 2492 | Number of Zero-Filled Subarrays | Medium | ArrayMath |
| 2493 | Numbers At Most N Given Digit Set | Hard | ArrayMathString |
| 2494 | Numbers With Repeated Digits | Hard | MathDynamic Programming |
| 2495 | Numbers With Same Consecutive Differences | Medium | BacktrackingBreadth-First Search |
| 2496 | Occurrences After Bigram | Easy | String |
| 2497 | Odd and Even Transactions | Medium | Database |
| 2498 | Odd Even Jump | Hard | ArrayDynamic ProgrammingStack |
| 2499 | Odd Even Linked List | Medium | Linked List |
| 2500 | Odd String Difference | Easy | ArrayHash TableString |
| 2501 | Once Twice | Medium | ArrayBit Manipulation |
| 2502 | One Edit Distance | Medium | Two PointersString |
| 2503 | Ones and Zeroes | Medium | ArrayStringDynamic Programming |
| 2504 | Online Election | Medium | ArrayHash TableBinary Search |
| 2505 | Online Majority Element In Subarray | Hard | ArrayBinary SearchDesign |
Powerful online tools to boost your productivity
Coding Ground For Developers
Code, Edit, Run and ShareIgnite your coding potential on Coding Ground - an immersive online platform for hands-on learning, collaboration, and skill development.
