(China) National Olympiad in Informatics 2016
Problems
| Good string | 11 / 14 | 2300 | |
| Grid | 0 / 2 | 2200 | |
| The beauty of circulation | 3 / 7 | 2700 | |
| Interval | 5 / 5 | 1900 |
| Good string | 11 / 14 | 2300 | |
| Grid | 0 / 2 | 2200 | |
| The beauty of circulation | 3 / 7 | 2700 | |
| Interval | 5 / 5 | 1900 |