I am sure there are other more subtle ways to go about it but this seems about as fast as I can make it for a general brute-force solution (0.11s)
This one seems to work for the large test case, too, although it is not a general solution [for size(p,1)>100 it only tests corner points].
Most nonzero elements in row
How to find the position of an element in a vector without using the find function
Make a 1 hot vector
Generate a NaN...on purpose
Chezz_015 : Simplified chess
PONG 001: Player vs Wall, 4 Lives, Interactive download
Chezz_000 : Simplified chess
Slitherlink I: Trivial
Knots Contest: Minimum Knots (TestSuite)
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