Stripe
12 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2483. Minimum Penalty for a Shop | Medium | 100% | TopicsStringPrefix Sum |
| 2303. Calculate Amount Paid in Taxes | Easy | 97.2% | TopicsArraySimulation |
| 1169. Invalid Transactions | Medium | 94% | TopicsArrayHash TableStringSorting |
| 787. Cheapest Flights Within K Stops | Medium | 86% | TopicsDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)Shortest Path |
| 1087. Brace Expansion | Medium | 80.8% | TopicsStringBacktrackingStackBreadth-First SearchSorting |
| 56. Merge Intervals | Medium | 73.9% | TopicsArraySortingQuicksort |
| 2050. Parallel Courses III | Hard | 64.3% | TopicsArrayDynamic ProgrammingGraph TheoryTopological SortDirected Acyclic Graph |
| One Edit Distance | Medium | 64.3% | TopicsTwo PointersString |
| 2768. Number of Black Blocks | Medium | 64.3% | TopicsArrayHash TableEnumeration |
| 1604. Alert Using Same Key-Card Three or More Times in a One Hour Period | Medium | 64.3% | TopicsArrayHash TableStringSorting |
| 2043. Simple Bank System | Medium | 64.3% | TopicsArrayHash TableDesignSimulation |
| Next Permutation | Medium | 64.3% | TopicsArrayTwo Pointers |
