[tlug] C puzzle

[<mocm@example.com>]

Tod McQuillin writes:
 > 
 > This C program:
 > 
 > main() {
 >   int i, n=20;
 >   for(i = 0 ; i < n ; i--)
 >     printf("-");
 > }
 > 
 > Can be modified into a correct program for printing 20 '-' characters in a
 > row by replacing a single character of the code.
 > 
 > In fact, there are three different ways to do it.

main() {
  int i, n=20;
  for(i = 0 ;-i < n ; i--)
    printf("-");
}

main() {
  int i, n=20;
  for(i = 0 ; i < n ; n--)
    printf("-");
}


Ok, what's the third?

Marcus

-- 
/--------------------------------------------------------------------\
| Dr. Marcus O.C. Metzler        |                                   |
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| mocm@example.com            | http://www.metzlerbros.de/        |
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