Grab Coding Interview Questions
We track 15 coding questions asked at Grab, tagged with the algorithms and concepts they test. The most common: Array, String, Hash Table, Dynamic Programming, Stack.
Browse all 15 Grab questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array21.0%
- String16.5%
- Dynamic Programming11.1%
- Hash Table10.4%
- Stack8.9%
- Greedy4.4%
- Math3.3%
- Bit Manipulation2.2%
- Matrix2.2%
- Monotonic Stack2.2%
- Other (11)17.9%
How many questions involve each concept
Share of all 15 tracked Grab questions that touch each concept. Questions usually involve several, so these overlap.
- Array53.3%
- String46.7%
- Hash Table33.3%
- Dynamic Programming26.7%
- Stack20.0%
- Greedy13.3%
- Bit Manipulation6.7%
- Breadth-First Search6.7%
- Depth-First Search6.7%
- Design6.7%
- Doubly-Linked List6.7%
- Linked List6.7%
Where Grab differs from the average company
Concept weight at Grab relative to the average across all companies we track. Green means Grab leans on it harder than most.
- Stack3.6×
- Dynamic Programming1.8×
- String1.7×
- Hash Table1.6×
Grab specialties
Concepts that show up at Grab but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 15 tracked Grab questions.
- Junior13% (2)
- Mid/Senior87% (13)
Every concept in Grab interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 8 | 53.3% | 21.0% |
| String | 7 | 46.7% | 16.5% |
| Hash Table | 5 | 33.3% | 10.4% |
| Dynamic Programming | 4 | 26.7% | 11.1% |
| Stack | 3 | 20.0% | 8.9% |
| Greedy | 2 | 13.3% | 4.4% |
| Bit Manipulation | 1 | 6.7% | 2.2% |
| Breadth-First Search | 1 | 6.7% | 1.0% |
| Depth-First Search | 1 | 6.7% | 1.0% |
| Design | 1 | 6.7% | 1.7% |
| Doubly-Linked List | 1 | 6.7% | 1.7% |
| Linked List | 1 | 6.7% | 1.7% |
| Math | 1 | 6.7% | 3.3% |
| Matrix | 1 | 6.7% | 2.2% |
| Monotonic Stack | 1 | 6.7% | 2.2% |
| Prefix Sum | 1 | 6.7% | 2.2% |
| Simulation | 1 | 6.7% | 2.2% |
| Sliding Window | 1 | 6.7% | 2.2% |
| Sorting | 1 | 6.7% | 1.0% |
| Two Pointers | 1 | 6.7% | 2.2% |
| Union-Find | 1 | 6.7% | 1.0% |
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