24 curated coding interview questions directly asked in Lyft technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 76 | Minimum Window Substring | Hard | Arrays; Strings; Trees | Sorting / Prefix / Scan; Hashing / Sliding Window; DFS / BFS; Sliding Window | 47.5% | 100.0% | 3m |
| 158 | Read N Characters Given read4 II - Call Multiple Times | Hard | Strings | Hashing / Sliding Window | 43.3% | 87.5% | 3m |
| 994 | Rotting Oranges | Medium | Core DSA | Implementation / Reasoning | 58.7% | 75.0% | 3m |
| 981 | Time Based Key-Value Store | Medium | Core DSA | Implementation / Reasoning | 49.9% | 75.0% | 3m |
| 17 | Letter Combinations of a Phone Number | Medium | Strings; Backtracking | Hashing / Sliding Window; Backtracking | 66.1% | 75.0% | 6m |
| 109 | Convert Sorted List to Binary Search Tree | Medium | Arrays; Trees; Linked List; Binary Search | Sorting / Prefix / Scan; DFS / BFS; Two Pointers; Binary Search | 66.6% | 75.0% | all |
| 632 | Smallest Range Covering Elements from K Lists | Hard | Linked List | Two Pointers | 70.1% | 75.0% | all |
| 126 | Word Ladder II | Hard | Strings | Hashing / Sliding Window | 27.7% | 75.0% | all |
| 1094 | Car Pooling | Medium | Core DSA | Implementation / Reasoning | 56.4% | 75.0% | all |
| 443 | String Compression | Medium | Strings | Hashing / Sliding Window | 60.0% | 75.0% | all |
| 958 | Check Completeness of a Binary Tree | Medium | Trees | DFS / BFS | 59.2% | 75.0% | all |
| 155 | Min Stack | Medium | Stack / Queue | Monotonic Stack / Simulation | 58.2% | 62.5% | all |
| 716 | Max Stack | Hard | Stack / Queue | Monotonic Stack / Simulation | 45.9% | 62.5% | all |
| 91 | Decode Ways | Medium | Dynamic Programming | State Transition | 38.0% | 62.5% | all |
| 128 | Longest Consecutive Sequence | Medium | Core DSA | Implementation / Reasoning | 47.1% | 50.0% | all |
| 365 | Water and Jug Problem | Medium | Core DSA | Implementation / Reasoning | 45.7% | 50.0% | all |
| 3 | Longest Substring Without Repeating Characters | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS; Sliding Window | 39.1% | 50.0% | all |
| 1620 | Coordinate With Maximum Network Quality | Medium | Arrays; Graphs | Sorting / Prefix / Scan; BFS / DFS / Topological Sort | 39.6% | 50.0% | all |
| 238 | Product of Array Except Self | Medium | Arrays | Sorting / Prefix / Scan | 68.9% | 50.0% | all |
| 1298 | Maximum Candies You Can Get from Boxes | Hard | Arrays | Sorting / Prefix / Scan | 67.5% | 50.0% | all |
| 148 | Sort List | Medium | Arrays; Linked List | Sorting / Prefix / Scan; Two Pointers | 64.4% | 50.0% | all |
| 208 | Implement Trie (Prefix Tree) | Medium | Trees | DFS / BFS | 69.5% | 37.5% | all |
| 253 | Meeting Rooms II | Medium | Greedy | Greedy | 52.7% | 37.5% | all |
| 2101 | Detonate the Maximum Bombs | Medium | Arrays | Sorting / Prefix / Scan | 50.2% | 37.5% | all |