Bolt Coding Interview Questions
We track 6 coding questions asked at Bolt, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, String, Dynamic Programming, Counting.
Browse all 6 Bolt questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array22.2%
- Hash Table16.7%
- String16.7%
- Dynamic Programming16.7%
- Counting5.6%
- Prefix Sum5.6%
- Simulation5.6%
- Sliding Window5.6%
- Stack5.6%
How many questions involve each concept
Share of all 6 tracked Bolt questions that touch each concept. Questions usually involve several, so these overlap.
- Array50.0%
- Hash Table50.0%
- String50.0%
- Dynamic Programming33.3%
- Counting16.7%
- Prefix Sum16.7%
- Simulation16.7%
- Sliding Window16.7%
- Stack16.7%
Where Bolt differs from the average company
Concept weight at Bolt relative to the average across all companies we track. Green means Bolt leans on it harder than most.
- Dynamic Programming2.7×
- Hash Table2.5×
- String1.8×
- Array1.2×
Bolt specialties
Concepts that show up at Bolt but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 6 tracked Bolt questions.
- Junior50% (3)
- Mid/Senior33% (2)
- Staff17% (1)
Every concept in Bolt interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 3 | 50.0% | 22.2% |
| Hash Table | 3 | 50.0% | 16.7% |
| String | 3 | 50.0% | 16.7% |
| Dynamic Programming | 2 | 33.3% | 16.7% |
| Counting | 1 | 16.7% | 5.6% |
| Prefix Sum | 1 | 16.7% | 5.6% |
| Simulation | 1 | 16.7% | 5.6% |
| Sliding Window | 1 | 16.7% | 5.6% |
| Stack | 1 | 16.7% | 5.6% |
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