Amazon
2015 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1953. Maximum Number of Weeks for Which You Can Work | Medium | 5% | TopicsArrayGreedy |
| 2568. Minimum Impossible OR | Medium | 5% | TopicsArrayBit ManipulationBrainteaser |
| 3567. Minimum Absolute Difference in Sliding Submatrix | Medium | 5% | TopicsArraySortingMatrix |
| 1711. Count Good Meals | Medium | 5% | TopicsArrayHash Table |
| 3546. Equal Sum Grid Partition I | Medium | 5% | TopicsArrayMatrixEnumerationPrefix Sum |
| 3212. Count Submatrices With Equal Frequency of X and Y | Medium | 5% | TopicsArrayMatrixPrefix Sum |
| 1912. Design Movie Rental System | Hard | 5% | TopicsArrayHash TableDesignHeap (Priority Queue)Ordered Set |
| 2946. Matrix Similarity After Cyclic Shifts | Easy | 5% | TopicsArrayMathMatrixSimulation |
| 2840. Check if Strings Can be Made Equal With Operations II | Medium | 5% | TopicsHash TableStringSorting |
| 3828. Final Element After Subarray Deletions | Medium | 5% | TopicsArrayMathBrainteaserGame Theory |
| 2039. The Time When the Network Becomes Idle | Medium | 5% | TopicsArrayBreadth-First SearchGraph Theory |
| 3740. Minimum Distance Between Three Equal Elements I | Easy | 5% | TopicsArrayHash Table |
| 3741. Minimum Distance Between Three Equal Elements II | Medium | 5% | TopicsArrayHash Table |
| 3493. Properties Graph | Medium | 5% | TopicsArrayHash TableDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 1857. Largest Color Value in a Directed Graph | Hard | 5% | TopicsHash TableStringDynamic ProgrammingGraph TheoryTopological SortMemoizationCountingDirected Acyclic Graph |
| 2452. Words Within Two Edits of Dictionary | Medium | 5% | TopicsArrayStringTrie |
| Put Boxes Into the Warehouse I | Medium | 5% | TopicsArrayGreedySorting |
| 2470. Number of Subarrays With LCM Equal to K | Medium | 5% | TopicsArrayMathNumber Theory |
| 3857. Minimum Cost to Split into Ones | Medium | 5% | TopicsMathDynamic Programming |
| Design Skiplist | Hard | 5% | TopicsLinked ListDesign |
| 1914. Cyclically Rotating a Grid | Medium | 5% | TopicsArrayMatrixSimulation |
| 3928. Minimum Cost to Buy Apples II | Hard | 5% | TopicsArrayGraph TheoryHeap (Priority Queue)Shortest Path |
| 2057. Smallest Index With Equal Value | Easy | 5% | TopicsArray |
| 1945. Sum of Digits of String After Convert | Easy | 5% | TopicsStringSimulation |
| 2974. Minimum Number Game | Easy | 5% | TopicsArraySortingHeap (Priority Queue)Simulation |
