Coupang Coding Interview Questions
We track 48 coding questions asked at Coupang, tagged with the algorithms and concepts they test. The most common: Array, String, Hash Table, Dynamic Programming, Design.
Browse all 48 Coupang questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array17.3%
- String9.6%
- Hash Table7.2%
- Dynamic Programming5.9%
- Design4.2%
- Sorting4.2%
- Greedy3.7%
- Heap (Priority Queue)3.5%
- Binary Search3.1%
- Recursion2.8%
- Other (33)38.2%
How many questions involve each concept
Share of all 48 tracked Coupang questions that touch each concept. Questions usually involve several, so these overlap.
- Array50.0%
- String27.1%
- Hash Table25.0%
- Dynamic Programming16.7%
- Design14.6%
- Heap (Priority Queue)14.6%
- Sorting14.6%
- Binary Search10.4%
- Greedy10.4%
- Breadth-First Search8.3%
- Linked List8.3%
- Math8.3%
Where Coupang differs from the average company
Concept weight at Coupang relative to the average across all companies we track. Green means Coupang leans on it harder than most.
- Randomized10.0×
- Doubly-Linked List4.0×
- Design3.2×
- Memoization2.7×
- Depth-First Search0.74×
- Two Pointers0.64×
- Matrix0.48×
- Math0.43×
Coupang specialties
Concepts that show up at Coupang but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 48 tracked Coupang questions.
- Junior6% (3)
- Mid/Senior65% (31)
- Staff29% (14)
Every concept in Coupang interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 24 | 50.0% | 17.3% |
| String | 13 | 27.1% | 9.6% |
| Hash Table | 12 | 25.0% | 7.2% |
| Dynamic Programming | 8 | 16.7% | 5.9% |
| Design | 7 | 14.6% | 4.2% |
| Heap (Priority Queue) | 7 | 14.6% | 3.5% |
| Sorting | 7 | 14.6% | 4.2% |
| Binary Search | 5 | 10.4% | 3.1% |
| Greedy | 5 | 10.4% | 3.7% |
| Breadth-First Search | 4 | 8.3% | 2.3% |
| Linked List | 4 | 8.3% | 2.4% |
| Math | 4 | 8.3% | 2.4% |
| Recursion | 4 | 8.3% | 2.8% |
| Sliding Window | 4 | 8.3% | 2.1% |
| Stack | 4 | 8.3% | 2.8% |
| Two Pointers | 4 | 8.3% | 2.3% |
| Backtracking | 3 | 6.2% | 2.0% |
| Depth-First Search | 3 | 6.2% | 1.7% |
| Divide and Conquer | 3 | 6.2% | 1.9% |
| Prefix Sum | 3 | 6.2% | 2.5% |
| Bit Manipulation | 2 | 4.2% | 1.2% |
| Doubly-Linked List | 2 | 4.2% | 1.2% |
| Matrix | 2 | 4.2% | 1.1% |
| Memoization | 2 | 4.2% | 0.8% |
| Monotonic Stack | 2 | 4.2% | 1.4% |
| Randomized | 2 | 4.2% | 1.0% |
| Bitmask | 1 | 2.1% | 0.4% |
| Combinatorics | 1 | 2.1% | 0.8% |
| Counting | 1 | 2.1% | 0.4% |
| Data Stream | 1 | 2.1% | 0.5% |
| Graph Theory | 1 | 2.1% | 0.6% |
| Hash Function | 1 | 2.1% | 0.4% |
| Merge Sort | 1 | 2.1% | 0.6% |
| Monotonic Queue | 1 | 2.1% | 0.5% |
| Ordered Set | 1 | 2.1% | 0.8% |
| Queue | 1 | 2.1% | 0.5% |
| Quickselect | 1 | 2.1% | 0.5% |
| Rolling Hash | 1 | 2.1% | 0.4% |
| Segment Tree | 1 | 2.1% | 0.8% |
| Suffix Array | 1 | 2.1% | 0.4% |
| Topological Sort | 1 | 2.1% | 0.6% |
| Trie | 1 | 2.1% | 0.4% |
| Union-Find | 1 | 2.1% | 0.5% |
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