C. 793.

(5 points)

Deadline expired.

Statistics on problem C. 793. 372 students sent a solution. 5 points: 189 students. 4 points: 164 students. 3 points: 7 students. 2 points: 4 students. 1 point: 1 student. 0 point: 5 students. Unfair, not evaluated: 2 solutions.