Amazon
2015 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2874. Maximum Value of an Ordered Triplet II | Medium | 10.3% | TopicsArrayPrefix Sum |
| 2672. Number of Adjacent Elements With the Same Color | Medium | 10.3% | TopicsArray |
| 2302. Count Subarrays With Score Less Than K | Hard | 10.3% | TopicsArrayBinary SearchSliding WindowPrefix Sum |
| 1991. Find the Middle Index in Array | Easy | 10.3% | TopicsArrayPrefix Sum |
| Binary Watch | Easy | 10.3% | TopicsBacktrackingBit Manipulation |
| Number of Segments in a String | Easy | 10.3% | TopicsString |
| 2481. Minimum Cuts to Divide a Circle | Easy | 10.3% | TopicsMathGeometry |
| 1432. Max Difference You Can Get From Changing an Integer | Medium | 10.3% | TopicsMathGreedy |
| 892. Surface Area of 3D Shapes | Easy | 10.3% | TopicsArrayMathGeometryMatrix |
| 1941. Check if All Characters Have Equal Number of Occurrences | Easy | 10.3% | TopicsHash TableStringCounting |
| 1217. Minimum Cost to Move Chips to The Same Position | Easy | 10.3% | TopicsArrayMathGreedy |
| 3440. Reschedule Meetings for Maximum Free Time II | Medium | 10.3% | TopicsArrayGreedyEnumeration |
| 2001. Number of Pairs of Interchangeable Rectangles | Medium | 10.3% | TopicsArrayHash TableMathCountingNumber Theory |
| 2571. Minimum Operations to Reduce an Integer to 0 | Medium | 10.3% | TopicsDynamic ProgrammingGreedyBit Manipulation |
| 1957. Delete Characters to Make Fancy String | Easy | 10.3% | TopicsString |
| 1970. Last Day Where You Can Still Cross | Hard | 10.3% | TopicsArrayBinary SearchDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 3487. Maximum Unique Subarray Sum After Deletion | Easy | 10.3% | TopicsArrayHash TableGreedy |
| 1306. Jump Game III | Medium | 10.3% | TopicsArrayDepth-First SearchBreadth-First Search |
| 3340. Check Balanced String | Easy | 10.3% | TopicsString |
| 559. Maximum Depth of N-ary Tree | Easy | 10.3% | TopicsTreeDepth-First SearchBreadth-First Search |
| 2561. Rearranging Fruits | Hard | 10.3% | TopicsArrayHash TableGreedySort |
| Rectangle Area | Medium | 10.3% | TopicsMathGeometry |
| 3542. Minimum Operations to Convert All Elements to Zero | Medium | 10.3% | TopicsArrayHash TableStackGreedyMonotonic Stack |
| 1394. Find Lucky Integer in an Array | Easy | 10.3% | TopicsArrayHash TableCounting |
| 3446. Sort Matrix by Diagonals | Medium | 10.3% | TopicsArraySortingMatrix |
