| Statistics on problem K. 6. | | 300 students sent a solution. | |
| 6 points: | 151 students. |
| 5 points: | 27 students. |
| 4 points: | 23 students. |
| 3 points: | 20 students. |
| 2 points: | 11 students. |
| 1 point: | 5 students. |
| 0 point: | 54 students. |
| Unfair, not evaluated: | 9 solutions. |
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