Paypay Coding Interview Questions
We track 5 coding questions asked at Paypay, tagged with the algorithms and concepts they test. The most common: Array, Binary Search, String, Binary Indexed Tree, Graph Theory.
Browse all 5 Paypay questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- String40.0%
- Array14.0%
- Binary Search9.0%
- Graph Theory5.0%
- Minimum Spanning Tree5.0%
- Sorting5.0%
- Two Pointers5.0%
- Union-Find5.0%
- Binary Indexed Tree4.0%
- Ordered Set4.0%
- Other (1)4.0%
How many questions involve each concept
Share of all 5 tracked Paypay questions that touch each concept. Questions usually involve several, so these overlap.
- Array60.0%
- Binary Search40.0%
- String40.0%
- Binary Indexed Tree20.0%
- Graph Theory20.0%
- Minimum Spanning Tree20.0%
- Ordered Set20.0%
- Segment Tree20.0%
- Sorting20.0%
- Two Pointers20.0%
- Union-Find20.0%
Where Paypay differs from the average company
Concept weight at Paypay relative to the average across all companies we track. Green means Paypay leans on it harder than most.
- String4.2×
- Binary Search3.0×
- Array0.73×
Paypay specialties
Concepts that show up at Paypay but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 5 tracked Paypay questions.
- Junior20% (1)
- Mid/Senior60% (3)
- Staff20% (1)
Every concept in Paypay interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 3 | 60.0% | 14.0% |
| Binary Search | 2 | 40.0% | 9.0% |
| String | 2 | 40.0% | 40.0% |
| Binary Indexed Tree | 1 | 20.0% | 4.0% |
| Graph Theory | 1 | 20.0% | 5.0% |
| Minimum Spanning Tree | 1 | 20.0% | 5.0% |
| Ordered Set | 1 | 20.0% | 4.0% |
| Segment Tree | 1 | 20.0% | 4.0% |
| Sorting | 1 | 20.0% | 5.0% |
| Two Pointers | 1 | 20.0% | 5.0% |
| Union-Find | 1 | 20.0% | 5.0% |
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