M. 250.

(6 points)

Deadline expired.

Statistics on problem M. 250. 16 students sent a solution. 6 points: Gálik Zsuzsanna, Mezei Márk, Szabó Áron. 5 points: Gyenis András, Illés Máté, Lantos Judit. 4 points: 6 students. 3 points: 3 students. 2 points: 1 student.