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India Contests
India National Olympiad
1994 India National Olympiad
3
3
Part of
1994 India National Olympiad
Problems
(1)
Yet another Pigeon Hole!
Source: INMO 1994 Problem 3
10/6/2005
In any set of
181
181
181
square integers, prove that one can always find a subset of
19
19
19
numbers, sum of whose elements is divisible by
19
19
19
.
combinatorics
Old