Zip Coding Interview Questions
We track 4 coding questions asked at Zip, tagged with the algorithms and concepts they test. The most common: Array, Dynamic Programming, Binary Tree, Breadth-First Search, Depth-First Search.
Browse all 4 Zip questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array14.6%
- Dynamic Programming10.4%
- Greedy8.3%
- Heap (Priority Queue)8.3%
- Binary Tree6.2%
- Breadth-First Search6.2%
- Depth-First Search6.2%
- Hash Table6.2%
- String6.2%
- Tree6.2%
- Other (5)21.0%
How many questions involve each concept
Share of all 4 tracked Zip questions that touch each concept. Questions usually involve several, so these overlap.
- Array50.0%
- Dynamic Programming50.0%
- Binary Tree25.0%
- Breadth-First Search25.0%
- Depth-First Search25.0%
- Game Theory25.0%
- Graph Theory25.0%
- Greedy25.0%
- Hash Table25.0%
- Heap (Priority Queue)25.0%
- Math25.0%
- Memoization25.0%
Where Zip differs from the average company
Concept weight at Zip relative to the average across all companies we track. Green means Zip leans on it harder than most.
- Dynamic Programming1.7×
- Array0.76×
Zip specialties
Concepts that show up at Zip but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 4 tracked Zip questions.
- Mid/Senior75% (3)
- Staff25% (1)
Every concept in Zip interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 2 | 50.0% | 14.6% |
| Dynamic Programming | 2 | 50.0% | 10.4% |
| Binary Tree | 1 | 25.0% | 6.2% |
| Breadth-First Search | 1 | 25.0% | 6.2% |
| Depth-First Search | 1 | 25.0% | 6.2% |
| Game Theory | 1 | 25.0% | 4.2% |
| Graph Theory | 1 | 25.0% | 4.2% |
| Greedy | 1 | 25.0% | 8.3% |
| Hash Table | 1 | 25.0% | 6.2% |
| Heap (Priority Queue) | 1 | 25.0% | 8.3% |
| Math | 1 | 25.0% | 4.2% |
| Memoization | 1 | 25.0% | 4.2% |
| String | 1 | 25.0% | 6.2% |
| Topological Sort | 1 | 25.0% | 4.2% |
| Tree | 1 | 25.0% | 6.2% |
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