| Company | Problem | Difficulty | Times | Period | Link |
|---|---|---|---|---|---|
| Huawei | Generate Parentheses | Medium | 4 | 6 months ago | https://leetcode.com/problems/generate-parentheses |
| Huawei | Longest Increasing Subsequence | Medium | 2 | 0 - 6 months | https://leetcode.com/problems/longest-increasing-subsequence |
| Huawei | Decode String | Medium | 3 | 6 months ago | https://leetcode.com/problems/decode-string |
| Huawei | 24 Game | Hard | 2 | 6 months ago | https://leetcode.com/problems/24-game |
| Huawei | Maximum Binary String After Change | Medium | 2 | 6 months ago | https://leetcode.com/problems/maximum-binary-string-after-change |
| Huawei | Minimum Number of Visited Cells in a Grid | Hard | 2 | 6 months ago | https://leetcode.com/problems/minimum-number-of-visited-cells-in-a-grid |