Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2206 | Minimum Operations to Write the Letter Y on a Grid | Medium | ArrayHash TableMatrix |
| 2207 | Minimum Pair Removal to Sort Array I | Easy | ArrayHash TableLinked List |
| 2208 | Minimum Pair Removal to Sort Array II | Hard | ArrayHash TableLinked List |
| 2209 | Minimum Path Cost in a Grid | Medium | ArrayDynamic ProgrammingMatrix |
| 2210 | Minimum Path Sum | Medium | ArrayDynamic ProgrammingMatrix |
| 2211 | Minimum Penalty for a Shop | Medium | StringPrefix Sum |
| 2212 | Minimum Positive Sum Subarray | Unknown | ArraySliding WindowPrefix Sum |
| 2213 | Minimum Possible Integer After at Most K Adjacent Swaps On Digits | Hard | StringGreedyBinary Indexed Tree |
| 2214 | Minimum Processing Time | Medium | ArrayGreedySorting |
| 2215 | Minimum Recolors to Get K Consecutive Black Blocks | Easy | StringSliding Window |
| 2216 | Minimum Rectangles to Cover Points | Medium | ArrayGreedySorting |
| 2217 | Minimum Relative Loss After Buying Chocolates | Hard | ArrayBinary SearchSorting |
| 2218 | Minimum Remove to Make Valid Parentheses | Medium | StringStack |
| 2219 | Minimum Replacements to Sort the Array | Hard | ArrayMathGreedy |
| 2220 | Minimum Reverse Operations | Hard | ArrayHash TableBreadth-First Search |
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