IBM
166 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Swap Sex of Employees | Easy | 34.6% | TopicsDatabase |
| 84. Largest Rectangle in Histogram | Hard | 34.6% | TopicsArrayStackMonotonic StackRange Minimum/Maximum Query |
| Employees Earning More Than Their Managers | Easy | 34.6% | TopicsDatabase |
| 2697. Lexicographically Smallest Palindrome | Easy | 34.6% | TopicsTwo PointersStringGreedy |
| Delete Duplicate Emails | Easy | 34.6% | TopicsDatabase |
| Linked List Cycle II | Medium | 34.6% | TopicsHash TableLinked ListTwo PointersFloyd's Cycle Finding Algorithm |
| 23. Merge k Sorted Lists | Hard | 34.6% | TopicsLinked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort |
| 2515. Shortest Distance to Target String in a Circular Array | Easy | 34.6% | TopicsArrayString |
| 27. Remove Element | Easy | 34.6% | TopicsArrayTwo Pointers |
| Remove Duplicates from Sorted Array | Easy | 34.6% | TopicsArrayTwo Pointers |
| 1665. Minimum Initial Energy to Finish Tasks | Hard | 34.6% | TopicsArrayGreedySorting |
| 2914. Minimum Number of Changes to Make Binary String Beautiful | Medium | 34.6% | TopicsString |
| 88. Merge Sorted Array | Easy | 34.6% | TopicsArrayTwo PointersSorting |
| 1584. Min Cost to Connect All Points | Medium | 34.6% | TopicsArrayUnion-FindGraph TheoryMinimum Spanning TreePrim's AlgorithmKruskal's AlgorithmBorůvka's Algorithm |
| 441. Arranging Coins | Easy | 34.6% | TopicsMathBinary Search |
| 2551. Put Marbles in Bags | Hard | 34.6% | TopicsArrayGreedySortingHeap (Priority Queue) |
