Diffing "N!" and "N! change from Chris"

Title: N! N! change from Chris
Author: jed pack Christopher Cheng
Submitted: 2003-11-04 16:28:52 UTC 2003-11-04 17:13:11 UTC
Status: Passed Passed
Score: 53.0 52.0
Result: pass pass
CPU Time: 0.09 0.09
Code: 
b=kron(a*0+1,b);
i=a~=' ';
b=kron(a./a,b);
i=a~=32;
a(i)=97+rem(a(i)-12+b(i),26);
c=a;