Stripe LeetCode Questions
11 questions all-time · 1 easy · 9 medium · 1 hard
| # | Problem | Difficulty | Frequency | Acceptance |
|---|---|---|---|---|
| 1 | Minimum Penalty for a Shop String, Prefix Sum | Medium | 100 | 0.7% |
| 2 | Calculate Amount Paid in Taxes Array, Simulation | Easy | 89 | 0.7% |
| 3 | Evaluate Division Array, String, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory, Shortest Path | Medium | 86 | 0.6% |
| 4 | Invalid Transactions Array, Hash Table, String, Sorting | Medium | 86 | 0.3% |
| 5 | Brace Expansion String, Backtracking, Stack, Breadth-First Search, Sorting | Medium | 83 | 0.7% |
| 6 | Cheapest Flights Within K Stops Dynamic Programming, Depth-First Search, Breadth-First Search, Graph Theory, Heap (Priority Queue), Shortest Path | Medium | 79 | 0.4% |
| 7 | Parallel Courses III Array, Dynamic Programming, Graph Theory, Topological Sort | Hard | 59 | 0.7% |
| 8 | One Edit Distance Two Pointers, String | Medium | 59 | 0.3% |
| 9 | Number of Black Blocks Array, Hash Table, Enumeration | Medium | 59 | 0.4% |
| 10 | Alert Using Same Key-Card Three or More Times in a One Hour Period Array, Hash Table, String, Sorting | Medium | 59 | 0.5% |
| 11 | Simple Bank System Array, Hash Table, Design, Simulation | Medium | 59 | 0.7% |
How to read this list
The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.
Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.