Amazon
2015 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 849. Maximize Distance to Closest Person | Medium | 18% | TopicsArray |
| 896. Monotonic Array | Easy | 18% | TopicsArray |
| 941. Valid Mountain Array | Easy | 18% | TopicsArray |
| 1019. Next Greater Node In Linked List | Medium | 18% | TopicsArrayLinked ListStackMonotonic Stack |
| 1161. Maximum Level Sum of a Binary Tree | Medium | 18% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| 1043. Partition Array for Maximum Sum | Medium | 18% | TopicsArrayDynamic Programming |
| 1095. Find in Mountain Array | Hard | 18% | TopicsArrayBinary SearchInteractiveTernary Search |
| 2273. Find Resultant Array After Removing Anagrams | Easy | 18% | TopicsArrayHash TableStringSorting |
| 1249. Minimum Remove to Make Valid Parentheses | Medium | 18% | TopicsStringStack |
| 1275. Find Winner on a Tic Tac Toe Game | Easy | 18% | TopicsArrayHash TableMatrixSimulation |
| 1312. Minimum Insertion Steps to Make a String Palindrome | Hard | 18% | TopicsStringDynamic Programming |
| 1339. Maximum Product of Splitted Binary Tree | Medium | 18% | TopicsTreeDepth-First SearchBinary Tree |
| 1346. Check If N and Its Double Exist | Easy | 18% | TopicsArrayHash TableTwo PointersBinary SearchSorting |
| 1436. Destination City | Easy | 18% | TopicsArrayHash TableString |
| 1464. Maximum Product of Two Elements in an Array | Easy | 18% | TopicsArraySortingHeap (Priority Queue) |
| 1751. Maximum Number of Events That Can Be Attended II | Hard | 18% | TopicsArrayBinary SearchDynamic ProgrammingSorting |
| 1762. Buildings With an Ocean View | Medium | 18% | TopicsArrayStackMonotonic Stack |
| 1791. Find Center of Star Graph | Easy | 18% | TopicsGraph Theory |
| 1823. Find the Winner of the Circular Game | Medium | 18% | TopicsArrayMathRecursionQueueSimulation |
| 1926. Nearest Exit from Entrance in Maze | Medium | 18% | TopicsArrayBreadth-First SearchMatrix |
| 2011. Final Value of Variable After Performing Operations | Easy | 18% | TopicsArrayStringSimulation |
| 2064. Minimized Maximum of Products Distributed to Any Store | Medium | 18% | TopicsArrayBinary SearchGreedy |
| 2101. Detonate the Maximum Bombs | Medium | 18% | TopicsArrayMathDepth-First SearchBreadth-First SearchGraph TheoryGeometry |
| 2460. Apply Operations to an Array | Easy | 18% | TopicsArrayTwo PointersSimulation |
| 2616. Minimize the Maximum Difference of Pairs | Medium | 18% | TopicsArrayBinary SearchDynamic ProgrammingGreedySorting |