General Motors Coding Interview Questions
We track 11 coding questions asked at General Motors, tagged with the algorithms and concepts they test. The most common: Array, String, Design, Hash Table, Dynamic Programming.
Browse all 11 General Motors questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array19.8%
- Hash Table11.1%
- String10.6%
- Design7.4%
- Dynamic Programming6.5%
- Sorting5.6%
- Bit Manipulation3.7%
- Matrix3.7%
- Simulation3.7%
- Doubly-Linked List2.8%
- Other (11)25.4%
How many questions involve each concept
Share of all 11 tracked General Motors questions that touch each concept. Questions usually involve several, so these overlap.
- Array45.5%
- String36.4%
- Design27.3%
- Hash Table27.3%
- Dynamic Programming18.2%
- Binary Tree9.1%
- Bit Manipulation9.1%
- Breadth-First Search9.1%
- Depth-First Search9.1%
- Doubly-Linked List9.1%
- Game Theory9.1%
- Interactive9.1%
Where General Motors differs from the average company
Concept weight at General Motors relative to the average across all companies we track. Green means General Motors leans on it harder than most.
- Design5.7×
- Hash Table1.7×
General Motors specialties
Concepts that show up at General Motors but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 11 tracked General Motors questions.
- Junior9% (1)
- Mid/Senior55% (6)
- Staff36% (4)
Every concept in General Motors interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 5 | 45.5% | 19.8% |
| String | 4 | 36.4% | 10.6% |
| Design | 3 | 27.3% | 7.4% |
| Hash Table | 3 | 27.3% | 11.1% |
| Dynamic Programming | 2 | 18.2% | 6.5% |
| Binary Tree | 1 | 9.1% | 1.9% |
| Bit Manipulation | 1 | 9.1% | 3.7% |
| Breadth-First Search | 1 | 9.1% | 1.9% |
| Depth-First Search | 1 | 9.1% | 1.9% |
| Doubly-Linked List | 1 | 9.1% | 2.8% |
| Game Theory | 1 | 9.1% | 2.2% |
| Interactive | 1 | 9.1% | 2.2% |
| Linked List | 1 | 9.1% | 2.8% |
| Math | 1 | 9.1% | 2.2% |
| Matrix | 1 | 9.1% | 3.7% |
| Prefix Sum | 1 | 9.1% | 2.8% |
| Simulation | 1 | 9.1% | 3.7% |
| Sliding Window | 1 | 9.1% | 2.8% |
| Sorting | 1 | 9.1% | 5.6% |
| Tree | 1 | 9.1% | 1.9% |
| Trie | 1 | 9.1% | 2.8% |
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