Re: [math-fun] combinatorial programming contest
30 May
2012
30 May
'12
2:40 p.m.
Good point! I withdraw my objection. --Dan Ed wrote: << This is equivalent to a torus grid. If its a rectangle on a torus grid, it's a rectangle on the plain grid.
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31 May
31 May
7:48 a.m.
New subject: [math-fun] combinatorial programming contest
I believe you can arbitrarily permute rows and/or columns without affecting the solution status of a coloring. Tom Dan Asimov writes:
Good point! I withdraw my objection.
--Dan
Ed wrote:
<< This is equivalent to a torus grid. If its a rectangle on a torus grid, it's a rectangle on the plain grid.
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