Intel Coding Interview Questions
We track 24 coding questions asked at Intel, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, Math, Stack, String.
Browse all 24 Intel questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array12.1%
- Math11.8%
- String9.7%
- Hash Table8.5%
- Stack8.1%
- Two Pointers7.4%
- Linked List6.2%
- Recursion4.2%
- Design4.0%
- Dynamic Programming3.3%
- Other (19)24.4%
How many questions involve each concept
Share of all 24 tracked Intel questions that touch each concept. Questions usually involve several, so these overlap.
- Array37.5%
- Hash Table25.0%
- Math20.8%
- Stack20.8%
- String20.8%
- Two Pointers20.8%
- Linked List16.7%
- Design12.5%
- Dynamic Programming12.5%
- Recursion12.5%
- Counting8.3%
- Depth-First Search8.3%
Where Intel differs from the average company
Concept weight at Intel relative to the average across all companies we track. Green means Intel leans on it harder than most.
- Recursion3.8×
- Stack3.2×
- Design3.1×
- Linked List3.0×
- Array0.63×
- Dynamic Programming0.53×
Intel specialties
Concepts that show up at Intel but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 24 tracked Intel questions.
- Junior33% (8)
- Mid/Senior63% (15)
- Staff4% (1)
Every concept in Intel interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 9 | 37.5% | 12.1% |
| Hash Table | 6 | 25.0% | 8.5% |
| Math | 5 | 20.8% | 11.8% |
| Stack | 5 | 20.8% | 8.1% |
| String | 5 | 20.8% | 9.7% |
| Two Pointers | 5 | 20.8% | 7.4% |
| Linked List | 4 | 16.7% | 6.2% |
| Design | 3 | 12.5% | 4.0% |
| Dynamic Programming | 3 | 12.5% | 3.3% |
| Recursion | 3 | 12.5% | 4.2% |
| Counting | 2 | 8.3% | 1.9% |
| Depth-First Search | 2 | 8.3% | 2.2% |
| Matrix | 2 | 8.3% | 2.2% |
| Binary Tree | 1 | 4.2% | 1.4% |
| Breadth-First Search | 1 | 4.2% | 0.8% |
| Data Stream | 1 | 4.2% | 0.8% |
| Divide and Conquer | 1 | 4.2% | 1.4% |
| Doubly-Linked List | 1 | 4.2% | 1.0% |
| Enumeration | 1 | 4.2% | 1.0% |
| Greedy | 1 | 4.2% | 1.4% |
| Memoization | 1 | 4.2% | 1.0% |
| Monotonic Stack | 1 | 4.2% | 0.8% |
| Number Theory | 1 | 4.2% | 1.0% |
| Prefix Sum | 1 | 4.2% | 2.1% |
| Queue | 1 | 4.2% | 0.8% |
| Sliding Window | 1 | 4.2% | 1.4% |
| Sorting | 1 | 4.2% | 1.0% |
| Tree | 1 | 4.2% | 1.4% |
| Union-Find | 1 | 4.2% | 0.8% |
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