Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2521 | Number of Beautiful Integers in the Range | Hard | MathDynamic Programming |
| 2522 | Number of Beautiful Pairs | Easy | ArrayHash TableMath |
| 2523 | Number of Beautiful Partitions | Hard | StringDynamic ProgrammingPrefix Sum |
| 2524 | Number of Bit Changes to Make Two Integers Equal | Easy | Bit Manipulation |
| 2525 | Number of Black Blocks | Medium | ArrayHash TableEnumeration |
| 2526 | Number of Boomerangs | Medium | ArrayHash TableMath |
| 2527 | Number of Burgers with No Waste of Ingredients | Medium | Math |
| 2528 | Number of Calls Between Two Persons | Medium | Database |
| 2529 | Number of Changing Keys | Easy | String |
| 2530 | Number of Closed Islands | Medium | ArrayDepth-First SearchBreadth-First Search |
| 2531 | Number of Comments per Post | Easy | Database |
| 2532 | Number of Common Factors | Easy | MathEnumerationNumber Theory |
| 2533 | Number of Connected Components in an Undirected Graph | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 2534 | Number Of Corner Rectangles | Medium | ArrayMathDynamic Programming |
| 2535 | Number of Days Between Two Dates | Easy | MathString |
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