Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2011 | Minimum Area Rectangle II | Medium | ArrayHash TableMath |
| 2012 | Minimum Array Changes to Make Differences Equal | Medium | ArrayHash TablePrefix Sum |
| 2013 | Minimum Array End | Medium | Bit Manipulation |
| 2014 | Minimum Array Length After Pair Removals | Medium | ArrayHash TableTwo Pointers |
| 2015 | Minimum Array Sum | Medium | ArrayDynamic Programming |
| 2016 | Minimum Average Difference | Medium | ArrayPrefix Sum |
| 2017 | Minimum Average of Smallest and Largest Elements | Easy | ArrayTwo PointersSorting |
| 2018 | Minimum Bit Flips to Convert Number | Easy | Bit Manipulation |
| 2019 | Minimum Changes To Make Alternating Binary String | Easy | String |
| 2020 | Minimum Changes to Make K Semi-palindromes | Hard | Two PointersStringDynamic Programming |
| 2021 | Minimum Common Value | Easy | ArrayHash TableTwo Pointers |
| 2022 | Minimum Consecutive Cards to Pick Up | Medium | ArrayHash TableSliding Window |
| 2023 | Minimum Cost for Cutting Cake I | Medium | ArrayTwo PointersDynamic Programming |
| 2024 | Minimum Cost for Cutting Cake II | Hard | ArrayGreedySorting |
| 2025 | Minimum Cost For Tickets | Medium | ArrayDynamic Programming |
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