Criteo Coding Interview Questions
We track 10 coding questions asked at Criteo, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, Binary Search, Sorting, String.
Browse all 10 Criteo questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array24.3%
- Hash Table14.8%
- Binary Search11.0%
- String8.3%
- Sorting6.5%
- Stack5.0%
- Two Pointers4.0%
- Counting3.3%
- Divide and Conquer3.3%
- Dynamic Programming3.3%
- Other (7)16.0%
How many questions involve each concept
Share of all 10 tracked Criteo questions that touch each concept. Questions usually involve several, so these overlap.
- Array80.0%
- Hash Table50.0%
- Binary Search40.0%
- Sorting30.0%
- String20.0%
- Two Pointers20.0%
- Bit Manipulation10.0%
- Breadth-First Search10.0%
- Counting10.0%
- Depth-First Search10.0%
- Divide and Conquer10.0%
- Dynamic Programming10.0%
Where Criteo differs from the average company
Concept weight at Criteo relative to the average across all companies we track. Green means Criteo leans on it harder than most.
- Binary Search3.7×
- Hash Table2.2×
- Sorting1.7×
- Array1.3×
Criteo specialties
Concepts that show up at Criteo but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 10 tracked Criteo questions.
- Junior70% (7)
- Mid/Senior30% (3)
Every concept in Criteo interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 8 | 80.0% | 24.3% |
| Hash Table | 5 | 50.0% | 14.8% |
| Binary Search | 4 | 40.0% | 11.0% |
| Sorting | 3 | 30.0% | 6.5% |
| String | 2 | 20.0% | 8.3% |
| Two Pointers | 2 | 20.0% | 4.0% |
| Bit Manipulation | 1 | 10.0% | 2.5% |
| Breadth-First Search | 1 | 10.0% | 2.5% |
| Counting | 1 | 10.0% | 3.3% |
| Depth-First Search | 1 | 10.0% | 2.5% |
| Divide and Conquer | 1 | 10.0% | 3.3% |
| Dynamic Programming | 1 | 10.0% | 3.3% |
| Math | 1 | 10.0% | 2.0% |
| Matrix | 1 | 10.0% | 2.5% |
| Prefix Sum | 1 | 10.0% | 2.0% |
| Randomized | 1 | 10.0% | 2.0% |
| Stack | 1 | 10.0% | 5.0% |
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