Instabase Coding Interview Questions
We track 3 coding questions asked at Instabase, tagged with the algorithms and concepts they test. The most common: Array, Breadth-First Search, Depth-First Search, Design, Graph Theory.
Browse all 3 Instabase questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array8.3%
- Breadth-First Search8.3%
- Depth-First Search8.3%
- Design8.3%
- Graph Theory8.3%
- Hash Table8.3%
- Monotonic Stack8.3%
- Stack8.3%
- String8.3%
- Topological Sort8.3%
- Other (2)16.6%
How many questions involve each concept
Share of all 3 tracked Instabase questions that touch each concept. Questions usually involve several, so these overlap.
- Array33.3%
- Breadth-First Search33.3%
- Depth-First Search33.3%
- Design33.3%
- Graph Theory33.3%
- Hash Table33.3%
- Monotonic Stack33.3%
- Stack33.3%
- String33.3%
- Topological Sort33.3%
- Trie33.3%
- Union-Find33.3%
Where Instabase differs from the average company
Concept weight at Instabase relative to the average across all companies we track. Green means Instabase leans on it harder than most.
Instabase specialties
Concepts that show up at Instabase but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 3 tracked Instabase questions.
- Mid/Senior67% (2)
- Staff33% (1)
Every concept in Instabase interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 1 | 33.3% | 8.3% |
| Breadth-First Search | 1 | 33.3% | 8.3% |
| Depth-First Search | 1 | 33.3% | 8.3% |
| Design | 1 | 33.3% | 8.3% |
| Graph Theory | 1 | 33.3% | 8.3% |
| Hash Table | 1 | 33.3% | 8.3% |
| Monotonic Stack | 1 | 33.3% | 8.3% |
| Stack | 1 | 33.3% | 8.3% |
| String | 1 | 33.3% | 8.3% |
| Topological Sort | 1 | 33.3% | 8.3% |
| Trie | 1 | 33.3% | 8.3% |
| Union-Find | 1 | 33.3% | 8.3% |
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