1996 OIM Problems/Problem 3
Problem
We have a board of 
rows and columns, where 
and 
is a prime number. For each prime , provide a method for distributing numbers 0 and 1, a number in each square of the board, so that in each row there are exactly 
numbers 0 and also there are no rectangles with parallel sides on the sides of the board with numbers 0 in its four vertices.
~translated into English by Tomas Diaz. ~orders@tomasdiaz.com
Solution
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