Amazon
2015 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1151. Minimum Swaps to Group All 1's Together | Medium | 7.2% | TopicsArraySliding Window |
| 1340. Jump Game V | Hard | 7.2% | TopicsArrayDynamic ProgrammingSorting |
| 3093. Longest Common Suffix Queries | Hard | 7.2% | TopicsArrayStringTrie |
| 975. Odd Even Jump | Hard | 7.2% | TopicsArrayDynamic ProgrammingStackSortingMonotonic StackOrdered Set |
| 948. Bag of Tokens | Medium | 7.2% | TopicsArrayTwo PointersGreedySorting |
| 3558. Number of Ways to Assign Edge Weights I | Medium | 7.2% | TopicsMathTreeDepth-First Search |
| 1840. Maximum Building Height | Hard | 7.2% | TopicsArrayMathSorting |
| 3739. Count Subarrays With Majority Element II | Hard | 7.2% | TopicsArrayHash TableDivide and ConquerSegment TreeMerge SortPrefix Sum |
| 1703. Minimum Adjacent Swaps for K Consecutive Ones | Hard | 7.2% | TopicsArrayGreedySliding WindowPrefix Sum |
| 3754. Concatenate Non-Zero Digits and Multiply by Sum I | Easy | 7.2% | TopicsMath |
| 2529. Maximum Count of Positive Integer and Negative Integer | Easy | 7.2% | TopicsArrayBinary SearchCounting |
| 2009. Minimum Number of Operations to Make Array Continuous | Hard | 7.2% | TopicsArrayHash TableBinary SearchSliding Window |
| 3514. Number of Unique XOR Triplets II | Medium | 7.2% | TopicsArrayMathBit ManipulationEnumeration |
| 965. Univalued Binary Tree | Easy | 7.2% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| 1406. Stone Game III | Hard | 7.2% | TopicsArrayMathDynamic ProgrammingMinimaxGame TheoryZero-Sum Game |
| 3310. Remove Methods From Project | Medium | 7.2% | TopicsDepth-First SearchBreadth-First SearchGraph Theory |
| 307. Range Sum Query - Mutable | Medium | 7.2% | TopicsArrayDivide and ConquerDesignBinary Indexed TreeSegment TreeSqrt Decomposition |
| 3345. Smallest Divisible Digit Product I | Easy | 7.2% | TopicsMathEnumeration |
| 1154. Day of the Year | Easy | 7.2% | TopicsMathString |
| 3069. Distribute Elements Into Two Arrays I | Easy | 7.2% | TopicsArrayTwo PointersSimulation |
| 1191. K-Concatenation Maximum Sum | Medium | 7.2% | TopicsArrayDynamic Programming |
| 1927. Sum Game | Medium | 7.2% | TopicsMathStringGreedyGame Theory |
| 3718. Smallest Missing Multiple of K | Easy | 7.2% | TopicsArrayHash Table |
| 3568. Minimum Moves to Clean the Classroom | Medium | 7.2% | TopicsArrayHash TableBit ManipulationBreadth-First SearchMatrix |
| 3876. Construct Uniform Parity Array II | Medium | 7.2% | TopicsArrayMath |
