Snowflake Coding Interview Questions
We track 99 coding questions asked at Snowflake, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, String, Depth-First Search, Dynamic Programming.
Browse all 99 Snowflake questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array15.8%
- Hash Table8.3%
- String8.1%
- Depth-First Search5.6%
- Dynamic Programming5.5%
- Linked List4.8%
- Design4.1%
- Recursion3.2%
- Breadth-First Search3.1%
- Math3.0%
- Other (36)38.0%
How many questions involve each concept
Share of all 99 tracked Snowflake questions that touch each concept. Questions usually involve several, so these overlap.
- Array46.5%
- Hash Table25.3%
- String23.2%
- Depth-First Search20.2%
- Dynamic Programming16.2%
- Design14.1%
- Linked List13.1%
- Breadth-First Search12.1%
- Binary Search10.1%
- Tree10.1%
- Math9.1%
- Sorting9.1%
Where Snowflake differs from the average company
Concept weight at Snowflake relative to the average across all companies we track. Green means Snowflake leans on it harder than most.
- Randomized5.0×
- Data Stream4.0×
- Design3.2×
- Topological Sort3.0×
- Sorting0.59×
- Math0.54×
- Sliding Window0.53×
- Counting0.50×
Snowflake specialties
Concepts that show up at Snowflake but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 99 tracked Snowflake questions.
- Junior13% (13)
- Mid/Senior65% (64)
- Staff22% (22)
Every concept in Snowflake interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 46 | 46.5% | 15.8% |
| Hash Table | 25 | 25.3% | 8.3% |
| String | 23 | 23.2% | 8.1% |
| Depth-First Search | 20 | 20.2% | 5.6% |
| Dynamic Programming | 16 | 16.2% | 5.5% |
| Design | 14 | 14.1% | 4.1% |
| Linked List | 13 | 13.1% | 4.8% |
| Breadth-First Search | 12 | 12.1% | 3.1% |
| Binary Search | 10 | 10.1% | 2.9% |
| Tree | 10 | 10.1% | 2.9% |
| Math | 9 | 9.1% | 3.0% |
| Sorting | 9 | 9.1% | 2.3% |
| Binary Tree | 8 | 8.1% | 2.4% |
| Graph Theory | 8 | 8.1% | 2.3% |
| Greedy | 8 | 8.1% | 2.4% |
| Heap (Priority Queue) | 8 | 8.1% | 1.8% |
| Two Pointers | 8 | 8.1% | 2.6% |
| Matrix | 7 | 7.1% | 1.9% |
| Recursion | 7 | 7.1% | 3.2% |
| Stack | 7 | 7.1% | 2.6% |
| Trie | 5 | 5.1% | 1.3% |
| Backtracking | 4 | 4.0% | 2.2% |
| Union-Find | 4 | 4.0% | 0.9% |
| Counting | 3 | 3.0% | 0.5% |
| Divide and Conquer | 3 | 3.0% | 0.7% |
| Topological Sort | 3 | 3.0% | 0.9% |
| Data Stream | 2 | 2.0% | 0.4% |
| Doubly-Linked List | 2 | 2.0% | 0.5% |
| Monotonic Stack | 2 | 2.0% | 0.5% |
| Ordered Set | 2 | 2.0% | 0.5% |
| Queue | 2 | 2.0% | 0.6% |
| Randomized | 2 | 2.0% | 0.5% |
| Sliding Window | 2 | 2.0% | 0.8% |
| Bit Manipulation | 1 | 1.0% | 0.3% |
| Bitmask | 1 | 1.0% | 0.3% |
| Bucket Sort | 1 | 1.0% | 0.1% |
| Enumeration | 1 | 1.0% | 0.6% |
| Hash Function | 1 | 1.0% | 0.2% |
| Memoization | 1 | 1.0% | 0.2% |
| Merge Sort | 1 | 1.0% | 0.3% |
| Prefix Sum | 1 | 1.0% | 0.2% |
| Quickselect | 1 | 1.0% | 0.1% |
| Segment Tree | 1 | 1.0% | 0.2% |
| Shortest Path | 1 | 1.0% | 0.2% |
| Simulation | 1 | 1.0% | 0.6% |
| String Matching | 1 | 1.0% | 0.3% |
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