Hilabs Coding Interview Questions
We track 3 coding questions asked at Hilabs, tagged with the algorithms and concepts they test. The most common: String, Bit Manipulation, Bitmask, Dynamic Programming, Math.
Browse all 3 Hilabs questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- String19.4%
- Math16.7%
- Simulation16.7%
- Recursion11.1%
- Stack11.1%
- Bit Manipulation8.3%
- Bitmask8.3%
- Dynamic Programming8.3%
How many questions involve each concept
Share of all 3 tracked Hilabs questions that touch each concept. Questions usually involve several, so these overlap.
- String66.7%
- Bit Manipulation33.3%
- Bitmask33.3%
- Dynamic Programming33.3%
- Math33.3%
- Recursion33.3%
- Simulation33.3%
- Stack33.3%
Where Hilabs differs from the average company
Concept weight at Hilabs relative to the average across all companies we track. Green means Hilabs leans on it harder than most.
- String2.0×
Hilabs specialties
Concepts that show up at Hilabs but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 3 tracked Hilabs questions.
- Junior33% (1)
- Staff67% (2)
Every concept in Hilabs interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| String | 2 | 66.7% | 19.4% |
| Bit Manipulation | 1 | 33.3% | 8.3% |
| Bitmask | 1 | 33.3% | 8.3% |
| Dynamic Programming | 1 | 33.3% | 8.3% |
| Math | 1 | 33.3% | 16.7% |
| Recursion | 1 | 33.3% | 11.1% |
| Simulation | 1 | 33.3% | 16.7% |
| Stack | 1 | 33.3% | 11.1% |
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