Company interviews / Two Sigma
Two Sigma interview practice
18 coding questions are known to come up in Two Sigma interviews (3 easy, 10 medium, 5 hard), 2 of them in the last six months. The most common topics are Array, Dynamic Programming, String, Math.
18Known questions
2Asked in last 6 months
10Medium
5Hard
Coding questions Two Sigma asks
From public company-tagged interview question lists. Most recent and most frequent first.
Easy 3Medium 10Hard 5
- Array11
- Dynamic Programming6
- String5
- Math3
- Simulation3
- Depth-First Search3
- Binary Search3
- Hash Table3
- Sorting3
- Matrix3
- Prefix Sum2
- Breadth-First Search2
| Question | Difficulty | Asked recently |
|---|---|---|
| Multiply Strings | Medium | Yes |
| House Robber III | Medium | Yes |
| Random Pick with Weight | Medium | — |
| Maximum Subarray Sum with One Deletion | Medium | — |
| Number of Provinces | Medium | — |
| Longest String Chain | Medium | — |
| Maximum Sum Circular Subarray | Medium | — |
| Intersection of Two Arrays | Easy | — |
| Power of Four | Easy | — |
| Game of Life | Medium | — |
| Wildcard Matching | Hard | — |
| Parallel Courses III | Hard | — |
| Word Search II | Hard | — |
| Design Memory Allocator | Medium | — |
| Minimum Space Wasted From Packaging | Hard | — |
| Merge k Sorted Lists | Hard | — |
| Valid Parentheses | Easy | — |
| Number of Islands | Medium | — |
Practice a Two Sigma interview
Take the same AI interview a Two Sigma candidate would face: you talk it through while you code, and get a scorecard with what earned each score. Three single-question interviews a day are free.