Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2911 | Shortest Palindrome | Hard | StringRolling HashString Matching |
| 2912 | Shortest Path in a Grid with Obstacles Elimination | Hard | ArrayBreadth-First SearchMatrix |
| 2913 | Shortest Path in a Hidden Grid | Medium | ArrayDepth-First SearchBreadth-First Search |
| 2914 | Shortest Path in Binary Matrix | Medium | ArrayBreadth-First SearchMatrix |
| 2915 | Shortest Path to Get All Keys | Hard | ArrayBit ManipulationBreadth-First Search |
| 2916 | Shortest Path to Get Food | Medium | ArrayBreadth-First SearchMatrix |
| 2917 | Shortest Path Visiting All Nodes | Hard | Dynamic ProgrammingBit ManipulationBreadth-First Search |
| 2918 | Shortest Path with Alternating Colors | Medium | Breadth-First SearchGraph |
| 2919 | Shortest String That Contains Three Strings | Medium | StringGreedyEnumeration |
| 2920 | Shortest Subarray to be Removed to Make Array Sorted | Medium | ArrayTwo PointersBinary Search |
| 2921 | Shortest Subarray With OR at Least K I | Easy | ArrayBit ManipulationSliding Window |
| 2922 | Shortest Subarray With OR at Least K II | Medium | ArrayBit ManipulationSliding Window |
| 2923 | Shortest Subarray with Sum at Least K | Hard | ArrayBinary SearchQueue |
| 2924 | Shortest Uncommon Substring in an Array | Medium | ArrayHash TableString |
| 2925 | Shortest Unsorted Continuous Subarray | Medium | ArrayTwo PointersStack |
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