Two Sigma LeetCode Questions
19 questions all-time · 3 easy · 11 medium · 5 hard
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| # | Problem | Difficulty | Frequency | Acceptance | |
|---|---|---|---|---|---|
| 1 | Random Pick with Weight | Medium | 100 | 0.5% | |
| 2 | Number of Provinces | Medium | 94 | 0.7% | |
| 3 | Maximum Subarray Sum with One Deletion | Medium | 94 | 0.5% | |
| 4 | Wildcard Matching | Hard | 92 | 0.3% | |
| 5 | Longest String Chain | Medium | 92 | 0.6% | |
| 6 | Game of Life | Medium | 92 | 0.7% | |
| 7 | Power of Four | Easy | 92 | 0.5% | |
| 8 | Intersection of Two Arrays | Easy | 92 | 0.8% | |
| 9 | Maximum Sum Circular Subarray | Medium | 92 | 0.5% | |
| 10 | Multiply Strings | Medium | 87 | 0.4% | |
| 11 | Parallel Courses III | Hard | 80 | 0.7% | |
| 12 | Word Search II | Hard | 80 | 0.4% | |
| 13 | Merge k Sorted Lists | Hard | 65 | 0.6% | |
| 14 | Minimum Space Wasted From Packaging | Hard | 65 | 0.3% | |
| 15 | Design Memory Allocator | Medium | 65 | 0.5% | |
| 16 | Valid Parentheses | Easy | 65 | 0.4% | |
| 17 | Meeting Rooms II | Medium | 55 | 0.5% | |
| 18 | Number of Islands | Medium | 55 | 0.6% | |
| 19 | House Robber III | Medium | 55 | 0.6% |
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.