Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 76 | All O`one Data Structure | Hard | Hash TableLinked ListDesign |
| 77 | All Paths from Source Lead to Destination | Medium | GraphTopological Sort |
| 78 | All Paths From Source to Target | Medium | BacktrackingDepth-First SearchBreadth-First Search |
| 79 | All People Report to the Given Manager | Medium | Database |
| 80 | All Possible Full Binary Trees | Medium | Dynamic ProgrammingTreeRecursion |
| 81 | All the Matches of the League | Easy | Database |
| 82 | All the Pairs With the Maximum Number of Common Followers | Medium | Database |
| 83 | All Valid Triplets That Can Represent a Country | Easy | Database |
| 84 | Allocate Mailboxes | Hard | ArrayMathDynamic Programming |
| 85 | Allow One Function Call | Easy | JavaScript |
| 86 | Alphabet Board Path | Medium | Hash TableString |
| 87 | Alt and Tab Simulation | Medium | ArrayHash TableSimulation |
| 88 | Alternating Digit Sum | Easy | Math |
| 89 | Alternating Groups I | Easy | ArraySliding Window |
| 90 | Alternating Groups II | Medium | ArraySliding Window |
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