Diffing "FSec4" and "Try n"

Title: FSec4 Try n
Author: Claus Still Imre Polik
Submitted: 2003-11-05 11:22:34 UTC 2003-11-05 11:27:16 UTC
Status: Passed Passed
Score: 60.0 60.0
Result: pass pass
CPU Time: 0.04 0.04
Code:
a=upper(a)
c=b
for i=';;;'
  d([a{b} 91])=1;
  b=any(d(char(a)'));
  d([a{c} 91])=1;
  c=find(any(d(char(a)')));
end
c=find(b);