Finish 2003-11-12 15:00:00 UTC

2nd try!

by Mohsen Nosratinia

Status: Passed
Results: pass
CPU Time: 0.271
Score: 115.0
Submitted at: 2003-11-05 15:21:24 UTC
Scored at: 2003-11-05 15:20:47 UTC

Current Rank: 139th
Based on: d (diff)
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Code 
[m n]=size(a);
b = 0;
for i=1:m
for j=1:n
for k=1:min(n-j,m-i)
c = a(i:i+k,j:j+k);
if ~any(any(c(1)-c))
b=max(b,sum(c(:))); end
end
end
end