Karat Coding Interview Questions
We track 12 coding questions asked at Karat, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, String, Matrix, Counting.
Browse all 12 Karat questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array28.1%
- Hash Table20.8%
- String13.5%
- Matrix10.0%
- Counting6.9%
- Sorting6.2%
- Dynamic Programming5.6%
- Greedy2.8%
- Simulation2.8%
- Backtracking1.7%
- Other (1)1.7%
How many questions involve each concept
Share of all 12 tracked Karat questions that touch each concept. Questions usually involve several, so these overlap.
- Array91.7%
- Hash Table66.7%
- String50.0%
- Matrix33.3%
- Counting25.0%
- Sorting25.0%
- Dynamic Programming16.7%
- Backtracking8.3%
- Depth-First Search8.3%
- Greedy8.3%
- Simulation8.3%
Where Karat differs from the average company
Concept weight at Karat relative to the average across all companies we track. Green means Karat leans on it harder than most.
- Counting6.9×
- Matrix4.3×
- Hash Table3.1×
- Sorting1.6×
Karat specialties
Concepts that show up at Karat but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 12 tracked Karat questions.
- Junior33% (4)
- Mid/Senior58% (7)
- Staff8% (1)
Every concept in Karat interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 11 | 91.7% | 28.1% |
| Hash Table | 8 | 66.7% | 20.8% |
| String | 6 | 50.0% | 13.5% |
| Matrix | 4 | 33.3% | 10.0% |
| Counting | 3 | 25.0% | 6.9% |
| Sorting | 3 | 25.0% | 6.2% |
| Dynamic Programming | 2 | 16.7% | 5.6% |
| Backtracking | 1 | 8.3% | 1.7% |
| Depth-First Search | 1 | 8.3% | 1.7% |
| Greedy | 1 | 8.3% | 2.8% |
| Simulation | 1 | 8.3% | 2.8% |
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