Deltax Coding Interview Questions
We track 3 coding questions asked at Deltax, tagged with the algorithms and concepts they test. The most common: Hash Table, Math, String, Array, Breadth-First Search.
Browse all 3 Deltax questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Hash Table22.2%
- Math17.8%
- String17.8%
- Array11.1%
- Breadth-First Search11.1%
- Dynamic Programming6.7%
- Memoization6.7%
- Recursion6.7%
How many questions involve each concept
Share of all 3 tracked Deltax questions that touch each concept. Questions usually involve several, so these overlap.
- Hash Table66.7%
- Math66.7%
- String66.7%
- Array33.3%
- Breadth-First Search33.3%
- Dynamic Programming33.3%
- Memoization33.3%
- Recursion33.3%
Where Deltax differs from the average company
Concept weight at Deltax relative to the average across all companies we track. Green means Deltax leans on it harder than most.
- Hash Table3.3×
- Math3.2×
- String1.9×
Deltax specialties
Concepts that show up at Deltax but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 3 tracked Deltax questions.
- Junior33% (1)
- Mid/Senior33% (1)
- Staff33% (1)
Every concept in Deltax interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Hash Table | 2 | 66.7% | 22.2% |
| Math | 2 | 66.7% | 17.8% |
| String | 2 | 66.7% | 17.8% |
| Array | 1 | 33.3% | 11.1% |
| Breadth-First Search | 1 | 33.3% | 11.1% |
| Dynamic Programming | 1 | 33.3% | 6.7% |
| Memoization | 1 | 33.3% | 6.7% |
| Recursion | 1 | 33.3% | 6.7% |
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