Citi Coding Interview Questions
We track 5 coding questions asked at Citi, tagged with the algorithms and concepts they test. The most common: Array, Stack, Binary Search, Dynamic Programming, Hash Table.
Browse all 5 Citi questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array38.3%
- Stack13.3%
- Dynamic Programming10.0%
- Hash Table10.0%
- Math6.7%
- Monotonic Stack6.7%
- Binary Search5.0%
- Prefix Sum5.0%
- Sliding Window5.0%
How many questions involve each concept
Share of all 5 tracked Citi questions that touch each concept. Questions usually involve several, so these overlap.
- Array100.0%
- Stack40.0%
- Binary Search20.0%
- Dynamic Programming20.0%
- Hash Table20.0%
- Math20.0%
- Monotonic Stack20.0%
- Prefix Sum20.0%
- Sliding Window20.0%
Where Citi differs from the average company
Concept weight at Citi relative to the average across all companies we track. Green means Citi leans on it harder than most.
Citi specialties
Concepts that show up at Citi but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 5 tracked Citi questions.
- Junior40% (2)
- Mid/Senior40% (2)
- Staff20% (1)
Every concept in Citi interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 5 | 100.0% | 38.3% |
| Stack | 2 | 40.0% | 13.3% |
| Binary Search | 1 | 20.0% | 5.0% |
| Dynamic Programming | 1 | 20.0% | 10.0% |
| Hash Table | 1 | 20.0% | 10.0% |
| Math | 1 | 20.0% | 6.7% |
| Monotonic Stack | 1 | 20.0% | 6.7% |
| Prefix Sum | 1 | 20.0% | 5.0% |
| Sliding Window | 1 | 20.0% | 5.0% |
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