Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1411 | Kth Missing Positive Number | Easy | ArrayBinary Search |
| 1412 | Kth Smallest Amount With Single Denomination Combination | Hard | ArrayMathBinary Search |
| 1413 | Kth Smallest Element in a BST | Medium | TreeDepth-First SearchBinary Search Tree |
| 1414 | Kth Smallest Element in a Sorted Matrix | Medium | ArrayBinary SearchSorting |
| 1415 | Kth Smallest Instructions | Hard | ArrayMathDynamic Programming |
| 1416 | Kth Smallest Number in Multiplication Table | Hard | MathBinary Search |
| 1417 | Kth Smallest Path XOR Sum | Hard | ArrayTreeDepth-First Search |
| 1418 | Kth Smallest Product of Two Sorted Arrays | Hard | ArrayBinary Search |
| 1419 | Kth Smallest Subarray Sum | Medium | ArrayBinary SearchSliding Window |
| 1420 | Largest 1-Bordered Square | Medium | ArrayDynamic ProgrammingMatrix |
| 1421 | Largest 3-Same-Digit Number in String | Easy | String |
| 1422 | Largest BST Subtree | Medium | Dynamic ProgrammingTreeDepth-First Search |
| 1423 | Largest Color Value in a Directed Graph | Hard | Hash TableDynamic ProgrammingGraph |
| 1424 | Largest Combination With Bitwise AND Greater Than Zero | Medium | ArrayHash TableBit Manipulation |
| 1425 | Largest Component Size by Common Factor | Hard | ArrayHash TableMath |
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