Salesforce
196 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 124. Binary Tree Maximum Path Sum | Hard | 51.9% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
| 155. Min Stack | Medium | 51.9% | TopicsStackDesign |
| 25. Reverse Nodes in k-Group | Hard | 51.9% | TopicsLinked ListRecursion |
| 2488. Count Subarrays With Median K | Hard | 51.9% | TopicsArrayHash TablePrefix Sum |
| 207. Course Schedule | Medium | 51.9% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
| 5. Longest Palindromic Substring | Medium | 48.9% | TopicsTwo PointersStringDynamic ProgrammingManacher |
| 76. Minimum Window Substring | Hard | 48.9% | TopicsHash TableStringSliding Window |
| 347. Top K Frequent Elements | Medium | 48.9% | TopicsArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect |
| 532. K-diff Pairs in an Array | Medium | 48.9% | TopicsArrayHash TableTwo PointersBinary SearchSorting |
| 1200. Minimum Absolute Difference | Easy | 48.9% | TopicsArraySorting |
| 6. Zigzag Conversion | Medium | 48.9% | TopicsString |
| 863. All Nodes Distance K in Binary Tree | Medium | 48.9% | TopicsHash TableTreeDepth-First SearchBreadth-First SearchBinary Tree |
| 3295. Report Spam Message | Medium | 48.9% | TopicsArrayHash TableString |
| 23. Merge k Sorted Lists | Hard | 45.3% | TopicsLinked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort |
| 121. Best Time to Buy and Sell Stock | Easy | 45.3% | TopicsArrayDynamic Programming |
| 465. Optimal Account Balancing | Hard | 45.3% | TopicsArrayDynamic ProgrammingBacktrackingBit ManipulationBitmask |
| Maximum Team Size with Overlapping Intervals | Medium | 45.3% | Topics— |
| 2551. Put Marbles in Bags | Hard | 45.3% | TopicsArrayGreedySortingHeap (Priority Queue) |
| 11. Container With Most Water | Medium | 40.9% | TopicsArrayTwo PointersGreedy |
| 3Sum | Medium | 40.9% | TopicsArrayTwo PointersSorting |
| 42. Trapping Rain Water | Hard | 40.9% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 75. Sort Colors | Medium | 40.9% | TopicsArrayTwo PointersSortingQuicksortBubble Sort |
| 215. Kth Largest Element in an Array | Medium | 40.9% | TopicsArrayDivide and ConquerSortingHeap (Priority Queue)Quickselect |
| Meeting Rooms II | Medium | 40.9% | TopicsArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum |
| 994. Rotting Oranges | Medium | 40.9% | TopicsArrayBreadth-First SearchMatrix |
