Spinny Coding Interview Questions
We track 7 coding questions asked at Spinny, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, Binary Search, Dynamic Programming, Sorting.
Browse all 7 Spinny questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array17.5%
- Dynamic Programming16.3%
- Hash Table13.9%
- Binary Search9.2%
- Sorting5.6%
- Binary Tree4.8%
- Heap (Priority Queue)4.8%
- Math4.8%
- Tree4.8%
- Design3.6%
- Other (5)14.8%
How many questions involve each concept
Share of all 7 tracked Spinny questions that touch each concept. Questions usually involve several, so these overlap.
- Array57.1%
- Hash Table57.1%
- Binary Search28.6%
- Dynamic Programming28.6%
- Sorting28.6%
- Binary Tree14.3%
- Design14.3%
- Doubly-Linked List14.3%
- Heap (Priority Queue)14.3%
- Linked List14.3%
- Math14.3%
- Prefix Sum14.3%
Where Spinny differs from the average company
Concept weight at Spinny relative to the average across all companies we track. Green means Spinny leans on it harder than most.
- Binary Search3.1×
- Dynamic Programming2.6×
- Hash Table2.1×
- Sorting1.4×
Spinny specialties
Concepts that show up at Spinny but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 7 tracked Spinny questions.
- Mid/Senior100% (7)
Every concept in Spinny interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 4 | 57.1% | 17.5% |
| Hash Table | 4 | 57.1% | 13.9% |
| Binary Search | 2 | 28.6% | 9.2% |
| Dynamic Programming | 2 | 28.6% | 16.3% |
| Sorting | 2 | 28.6% | 5.6% |
| Binary Tree | 1 | 14.3% | 4.8% |
| Design | 1 | 14.3% | 3.6% |
| Doubly-Linked List | 1 | 14.3% | 3.6% |
| Heap (Priority Queue) | 1 | 14.3% | 4.8% |
| Linked List | 1 | 14.3% | 3.6% |
| Math | 1 | 14.3% | 4.8% |
| Prefix Sum | 1 | 14.3% | 3.6% |
| String | 1 | 14.3% | 2.0% |
| Tree | 1 | 14.3% | 4.8% |
| Trie | 1 | 14.3% | 2.0% |
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