| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Welcome to BDU! | 21 | 24 | 0:05:26 |
| B. Football Match | 9 | 10 | 0:33:38 |
| C. BMI Check | 16 | 18 | 0:19:39 |
| D. Play with Complex Number | 4 | 4 | 1:19:43 |
| E. Triangle with DOTS | 2 | 7 | 2:19:28 |
| F. Geometry | 3 | 6 | 1:54:23 |
| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Welcome to BDU! | 21 | 24 | 0:05:26 |
| B. Football Match | 9 | 10 | 0:33:38 |
| C. BMI Check | 16 | 18 | 0:19:39 |
| D. Play with Complex Number | 4 | 4 | 1:19:43 |
| E. Triangle with DOTS | 2 | 7 | 2:19:28 |
| F. Geometry | 3 | 6 | 1:54:23 |
