Amazon
2015 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Self Dividing Numbers | Easy | 15.8% | TopicsMath |
| 3454. Separate Squares II | Hard | 15.8% | TopicsArrayBinary SearchSegment TreeSweep Line |
| 873. Length of Longest Fibonacci Subsequence | Medium | 15.8% | TopicsArrayHash TableDynamic Programming |
| 2594. Minimum Time to Repair Cars | Medium | 15.8% | TopicsArrayBinary Search |
| 3414. Maximum Score of Non-overlapping Intervals | Hard | 15.8% | TopicsArrayBinary SearchDynamic ProgrammingSorting |
| Market Analysis I | Medium | 15.8% | TopicsDatabase |
| 1007. Minimum Domino Rotations For Equal Row | Medium | 15.8% | TopicsArrayGreedy |
| 3355. Zero Array Transformation I | Medium | 15.8% | TopicsArrayPrefix Sum |
| 2359. Find Closest Node to Given Two Nodes | Medium | 15.8% | TopicsDepth-First SearchGraph Theory |
| 1061. Lexicographically Smallest Equivalent String | Medium | 15.8% | TopicsStringUnion-Find |
| 3442. Maximum Difference Between Even and Odd Frequency I | Easy | 15.8% | TopicsHash TableStringCounting |
| 2016. Maximum Difference Between Increasing Elements | Easy | 15.8% | TopicsArray |
| 2187. Minimum Time to Complete Trips | Medium | 15.8% | TopicsArrayBinary Search |
| 3638. Maximum Balanced Shipments | Medium | 15.8% | TopicsArrayDynamic ProgrammingStackGreedyMonotonic Stack |
| 2438. Range Product Queries of Powers | Medium | 15.8% | TopicsArrayBit ManipulationPrefix Sum |
| 2787. Ways to Express an Integer as Sum of Powers | Medium | 15.8% | TopicsDynamic Programming |
| 3195. Find the Minimum Area to Cover All Ones I | Medium | 15.8% | TopicsArrayMatrix |
| 2327. Number of People Aware of a Secret | Medium | 15.8% | TopicsDynamic ProgrammingQueueSimulation |
| 2114. Maximum Number of Words Found in Sentences | Easy | 15.8% | TopicsArrayString |
| 2089. Find Target Indices After Sorting Array | Easy | 15.8% | TopicsArrayBinary SearchSorting |
| 3186. Maximum Total Damage With Spell Casting | Medium | 15.8% | TopicsArrayHash TableTwo PointersBinary SearchDynamic ProgrammingSortingCounting |
| 3381. Maximum Subarray Sum With Length Divisible by K | Medium | 15.8% | TopicsArrayHash TablePrefix Sum |
| 2520. Count the Digits That Divide a Number | Easy | 15.8% | TopicsMath |
| 2483. Minimum Penalty for a Shop | Medium | 15.8% | TopicsStringPrefix Sum |
| 3510. Minimum Pair Removal to Sort Array II | Hard | 15.8% | TopicsArrayHash TableLinked ListHeap (Priority Queue)SimulationDoubly-Linked ListOrdered Set |
