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Problems
Contests
National and Regional Contests
Italy Contests
ITAMO
1996 ITAMO
6
6
Part of
1996 ITAMO
Problems
(1)
Square grid
Source: Italian National MO 1996, Problem 6
12/12/2005
What is the minimum number of squares that is necessary to draw on a white sheet to obtain a square grid of side
n
n
n
?
combinatorics proposed
combinatorics