The Trade Desk Coding Interview Questions
We track 6 coding questions asked at The Trade Desk, tagged with the algorithms and concepts they test. The most common: String, Array, Hash Table, Simulation, Breadth-First Search.
Browse all 6 The Trade Desk questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- String23.6%
- Array13.9%
- Hash Table13.9%
- Simulation9.7%
- Two Pointers8.3%
- Breadth-First Search5.6%
- Math5.6%
- Matrix5.6%
- Stack5.6%
- Design4.2%
- Other (1)4.2%
How many questions involve each concept
Share of all 6 tracked The Trade Desk questions that touch each concept. Questions usually involve several, so these overlap.
- String66.7%
- Array50.0%
- Hash Table50.0%
- Simulation33.3%
- Breadth-First Search16.7%
- Design16.7%
- Math16.7%
- Matrix16.7%
- Stack16.7%
- Trie16.7%
- Two Pointers16.7%
Where The Trade Desk differs from the average company
Concept weight at The Trade Desk relative to the average across all companies we track. Green means The Trade Desk leans on it harder than most.
- Simulation5.7×
- String2.5×
- Hash Table2.1×
- Array0.72×
The Trade Desk specialties
Concepts that show up at The Trade Desk but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 6 tracked The Trade Desk questions.
- Mid/Senior83% (5)
- Staff17% (1)
Every concept in The Trade Desk interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| String | 4 | 66.7% | 23.6% |
| Array | 3 | 50.0% | 13.9% |
| Hash Table | 3 | 50.0% | 13.9% |
| Simulation | 2 | 33.3% | 9.7% |
| Breadth-First Search | 1 | 16.7% | 5.6% |
| Design | 1 | 16.7% | 4.2% |
| Math | 1 | 16.7% | 5.6% |
| Matrix | 1 | 16.7% | 5.6% |
| Stack | 1 | 16.7% | 5.6% |
| Trie | 1 | 16.7% | 4.2% |
| Two Pointers | 1 | 16.7% | 8.3% |
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