MathDB
Problems
Contests
National and Regional Contests
Switzerland Contests
Switzerland Team Selection Test
2016 Switzerland Team Selection Test
Problem 12
Problem 12
Part of
2016 Switzerland Team Selection Test
Problems
(1)
competition and two contestants
Source: Swiss IMO TST 2016. Problem 12
7/27/2017
In an EGMO exam, there are three exercises, each of which can yield a number of points between
0
0
0
and
7
7
7
. Show that, among the
49
49
49
participants, one can always find two such that the first in each of the three tasks was at least as good as the other.
combinatorics