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14 problems from OpenAI with full breakdowns.
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14 problems from OpenAI with full breakdowns.
Solve these problems under real interview pressure with our AI interviewer.
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| ✓ 0 | Problem | Difficulty | Companies | Breakdown / Solution | LeetCode |
|---|---|---|---|---|---|
| Trapping Rain Water | Hard | 7 companies | View breakdown → | ||
| Rotting Oranges | Medium | 6 companies | View breakdown → | ||
| Flatten Nested List Iterator | Medium | 3 companies | View breakdown → | ||
| Time Based Key-Value Store | Medium | 5 companies | View breakdown → | ||
| Design Memory Allocator | Medium | 3 companies | View breakdown → | ||
| Asteroid Collision | Medium | 3 companies | View breakdown → | ||
| Design SQL | Medium | 1 companies | View breakdown → | ||
| Design Authentication Manager | Medium | 2 companies | View breakdown → | ||
| IP to CIDR | Medium | 2 companies | View breakdown → | ||
| Design Spreadsheet | Medium | 2 companies | View breakdown → | ||
| Design Excel Sum Formula | Hard | 2 companies | View breakdown → | ||
| Encode and Decode Strings | Medium | 1 companies | View breakdown → | ||
| Largest Local Values in a Matrix | EASY | 1 companies | View breakdown → | ||
| Simplify Path | MEDIUM | 1 companies | View breakdown → |