Mathematical and Physical Journal
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Problem A. 442. (December 2007)

A. 442. The n-element subsets of a set of size n2+n-1 are distributed into two groups. Prove that one of those groups contains n pairwise disjoint sets.

Miklós Schweitzer Competition, 2007

(5 pont)

Deadline expired on January 15, 2008.


7 students sent a solution.
5 points:Korándi Dániel, Lovász László Miklós, Nagy 235 János, Nagy 314 Dániel, Tomon István, Tossenberger Anna, Wolosz János.

Problems in Mathematics of KöMaL, December 2007