Amazon
2015 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Zuma Game | Hard | 5% | TopicsStringDynamic ProgrammingStackBreadth-First SearchMemoization |
| Pizza Toppings Cost Analysis | Medium | 5% | TopicsDatabase |
| Maximum Profit From Trading Stocks | Medium | 5% | TopicsArrayDynamic Programming |
| 1864. Minimum Number of Swaps to Make the Binary String Alternating | Medium | 5% | TopicsStringGreedy |
| 3273. Minimum Amount of Damage Dealt to Bob | Hard | 5% | TopicsArrayGreedySorting |
| 3426. Manhattan Distances of All Arrangements of Pieces | Hard | 5% | TopicsMathCombinatorics |
| 2550. Count Collisions of Monkeys on a Polygon | Medium | 5% | TopicsMathRecursion |
| Integer Replacement | Medium | 5% | TopicsDynamic ProgrammingGreedyBit ManipulationMemoization |
| 1240. Tiling a Rectangle with the Fewest Squares | Hard | 5% | TopicsBacktracking |
| 298. Binary Tree Longest Consecutive Sequence | Medium | 5% | TopicsTreeDepth-First SearchBinary TreeDP on Trees |
| 3362. Zero Array Transformation III | Medium | 5% | TopicsArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum |
| Year on Year Growth Rate | Hard | 5% | TopicsDatabase |
| 3405. Count the Number of Arrays with K Matching Adjacent Elements | Hard | 5% | TopicsMathCombinatoricsFermat's Little Theorem |
| 1893. Check if All the Integers in a Range Are Covered | Easy | 5% | TopicsArrayHash TablePrefix Sum |
| 2500. Delete Greatest Value in Each Row | Easy | 5% | TopicsArraySortingHeap (Priority Queue)MatrixSimulation |
| 2014. Longest Subsequence Repeated k Times | Hard | 5% | TopicsHash TableTwo PointersStringBacktrackingCountingEnumeration |
| 1763. Longest Nice Substring | Easy | 5% | TopicsHash TableStringDivide and ConquerBit ManipulationSliding Window |
| 3598. Longest Common Prefix Between Adjacent Strings After Removals | Medium | 5% | TopicsArrayString |
| 1643. Kth Smallest Instructions | Hard | 5% | TopicsArrayMathDynamic ProgrammingCombinatorics |
| 2779. Maximum Beauty of an Array After Applying Operation | Medium | 5% | TopicsArrayBinary SearchSliding WindowSorting |
| 3456. Find Special Substring of Length K | Easy | 5% | TopicsString |
| 2596. Check Knight Tour Configuration | Medium | 5% | TopicsArrayDepth-First SearchBreadth-First SearchMatrixSimulation |
| 1610. Maximum Number of Visible Points | Hard | 5% | TopicsArrayMathGeometrySliding WindowSorting |
| 3357. Minimize the Maximum Adjacent Element Difference | Hard | 5% | TopicsArrayBinary SearchGreedy |
| 3002. Maximum Size of a Set After Removals | Medium | 5% | TopicsArrayHash TableGreedy |
