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Correct

0Size
This is the leading solution.
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Test Suite

Test
Code Input and Output
1
Pass
 
assignin('caller','score',200);

                    
2
Pass
 
%%
[mcell] = Life;
[nr,nc]=size(mcell);
% check for uniqueness
valid=1;
tic
for k=1:nc-1
  mk=mcell{k};
 for p=k+1:nc
  mp=mcell{p};
  mkp=mk==mp;
  if all(mkp(:))
   valid=0;
  end
 end
end
assert(valid==1,sprintf('Not all unique solutions'));
toc
% run an evolution and verify
tic
for k=1:nc
  m=mcell{k};
  m=[zeros(1,6);zeros(4,1) m zeros(4,1);zeros(1,6)];
  mc=conv2(m,[1 1 1;1 0 1;1 1 1],'same');
  m=~(mc<2 | mc>3) & ((m & mc==2) | (m & mc==3) | (~m & mc==3));
  assert(isequal(nnz(m),1),sprintf('Non-Single survivor solution'))
end
toc
assignin('caller','score',min(200,max(0,600-nc)));
Elapsed time is 5.798472 seconds.
Elapsed time is 0.155290 seconds.