Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 916 | Find All People With Secret | Hard | Depth-First SearchBreadth-First SearchUnion Find |
| 917 | Find All Possible Recipes from Given Supplies | Medium | ArrayHash TableString |
| 918 | Find All Possible Stable Binary Arrays I | Medium | Dynamic ProgrammingPrefix Sum |
| 919 | Find All Possible Stable Binary Arrays II | Hard | Dynamic ProgrammingPrefix Sum |
| 920 | Find All The Lonely Nodes | Easy | TreeDepth-First SearchBreadth-First Search |
| 921 | Find All Unique Email Domains | Easy | Database |
| 922 | Find Anagram Mappings | Easy | ArrayHash Table |
| 923 | Find And Replace in String | Medium | ArrayHash TableString |
| 924 | Find and Replace Pattern | Medium | ArrayHash TableString |
| 925 | Find Array Given Subset Sums | Hard | ArrayDivide and Conquer |
| 926 | Find Beautiful Indices in the Given Array I | Medium | Two PointersStringBinary Search |
| 927 | Find Beautiful Indices in the Given Array II | Hard | Two PointersStringBinary Search |
| 928 | Find Books with No Available Copies | Easy | Database |
| 929 | Find Bottom Left Tree Value | Medium | TreeDepth-First SearchBreadth-First Search |
| 930 | Find Building Where Alice and Bob Can Meet | Hard | ArrayBinary SearchStack |
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