Lyft Coding Interview Questions
We track 23 coding questions asked at Lyft, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, String, Breadth-First Search, Design.
Browse all 23 Lyft questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- String13.1%
- Array12.1%
- Hash Table10.7%
- Breadth-First Search8.3%
- Design4.8%
- Sliding Window4.0%
- Prefix Sum3.3%
- Two Pointers3.3%
- Backtracking2.8%
- Sorting2.7%
- Other (20)35.1%
How many questions involve each concept
Share of all 23 tracked Lyft questions that touch each concept. Questions usually involve several, so these overlap.
- Array34.8%
- Hash Table34.8%
- String34.8%
- Breadth-First Search26.1%
- Design13.0%
- Sliding Window13.0%
- Sorting13.0%
- Backtracking8.7%
- Binary Tree8.7%
- Depth-First Search8.7%
- Divide and Conquer8.7%
- Graph Theory8.7%
Where Lyft differs from the average company
Concept weight at Lyft relative to the average across all companies we track. Green means Lyft leans on it harder than most.
- Breadth-First Search3.8×
- Design3.7×
- Sliding Window2.7×
- Graph Theory2.4×
- Sorting0.69×
- Array0.63×
- Math0.43×
Lyft specialties
Concepts that show up at Lyft but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 23 tracked Lyft questions.
- Mid/Senior78% (18)
- Staff22% (5)
Every concept in Lyft interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 8 | 34.8% | 12.1% |
| Hash Table | 8 | 34.8% | 10.7% |
| String | 8 | 34.8% | 13.1% |
| Breadth-First Search | 6 | 26.1% | 8.3% |
| Design | 3 | 13.0% | 4.8% |
| Sliding Window | 3 | 13.0% | 4.0% |
| Sorting | 3 | 13.0% | 2.7% |
| Backtracking | 2 | 8.7% | 2.8% |
| Binary Tree | 2 | 8.7% | 2.5% |
| Depth-First Search | 2 | 8.7% | 2.4% |
| Divide and Conquer | 2 | 8.7% | 1.9% |
| Graph Theory | 2 | 8.7% | 2.4% |
| Heap (Priority Queue) | 2 | 8.7% | 1.7% |
| Linked List | 2 | 8.7% | 1.9% |
| Math | 2 | 8.7% | 2.4% |
| Prefix Sum | 2 | 8.7% | 3.3% |
| Tree | 2 | 8.7% | 2.5% |
| Two Pointers | 2 | 8.7% | 3.3% |
| Binary Search | 1 | 4.3% | 1.2% |
| Binary Search Tree | 1 | 4.3% | 1.0% |
| Dynamic Programming | 1 | 4.3% | 2.4% |
| Enumeration | 1 | 4.3% | 2.4% |
| Geometry | 1 | 4.3% | 0.8% |
| Greedy | 1 | 4.3% | 0.8% |
| Matrix | 1 | 4.3% | 1.6% |
| Merge Sort | 1 | 4.3% | 1.0% |
| Simulation | 1 | 4.3% | 1.0% |
| Stack | 1 | 4.3% | 2.4% |
| Trie | 1 | 4.3% | 1.2% |
| Union-Find | 1 | 4.3% | 1.6% |
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