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Huawei DSA Interview Questions
17 curated coding interview questions directly asked in Huawei technical rounds, sorted by frequency with recency and difficulty diagnostics.
17
Total Questions
4 (24%)
Easy Problems
9 (53%)
Medium Problems
4 (24%)
Hard Problems
🔥 Most Tested Topics:
Arrays (6)Strings (5)Linked List (3)Core DSA (3)Dynamic Programming (2)
📂 Sourced Datasets:
All questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 2617 | Minimum Number of Visited Cells in a Grid | Hard | Arrays | Sorting / Prefix / Scan | 23.9% | 100.0% | all |
| 1702 | Maximum Binary String After Change | Medium | Arrays; Strings | Sorting / Prefix / Scan; Hashing / Sliding Window | 47.6% | 100.0% | all |
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 75.0% | all |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 75.0% | all |
| 200 | Number of Islands | Medium | Graphs | BFS / DFS / Topological Sort | 64.4% | 75.0% | all |
| 394 | Decode String | Medium | Strings; Dynamic Programming; Stack / Queue | Hashing / Sliding Window; State Transition; Monotonic Stack / Simulation | 62.6% | 75.0% | all |
| 22 | Generate Parentheses | Medium | Strings | Hashing / Sliding Window | 78.7% | 75.0% | all |
| 5 | Longest Palindromic Substring | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 37.8% | 75.0% | all |
| 300 | Longest Increasing Subsequence | Medium | Dynamic Programming | State Transition | 59.4% | 75.0% | all |
| 21 | Merge Two Sorted Lists | Easy | Arrays; Linked List | Sorting / Prefix / Scan; Two Pointers | 68.3% | 62.5% | all |
| 53 | Maximum Subarray | Medium | Arrays | Sorting / Prefix / Scan | 53.3% | 62.5% | all |
| 51 | N-Queens | Hard | Backtracking | Backtracking | 75.5% | 62.5% | all |
| 402 | Remove K Digits | Medium | Core DSA | Implementation / Reasoning | 36.9% | 62.5% | all |
| 42 | Trapping Rain Water | Hard | Core DSA | Two Pointers | 67.4% | 62.5% | all |
| 11 | Container With Most Water | Medium | Core DSA | Two Pointers | 60.0% | 62.5% | all |
| 23 | Merge k Sorted Lists | Hard | Arrays; Linked List; Heap | Sorting / Prefix / Scan; Two Pointers; Priority Queue | 59.6% | 62.5% | all |
| 141 | Linked List Cycle | Easy | Linked List | Two Pointers | 54.3% | 62.5% | all |