OpenEuphoria

RE: Re[2]: OOT: Interesting C quiz

• Posted by Philip Deets <philip1987 at hotmail.com> Feb 17, 2004
• 518 views

Show them please, I'm curious.
Phil

akusaya at gmx.net wrote:
> 
> 
> Yes i think...
> 
> btw after several thinking and asking friends I managed to get all
> solutions! Thanks!
> 
> C> I think listfilter mangled the code...
> 
> 
> C> It should be:
> 
> C> /*
> C> Find at least 4 different ways to change only one
> C> character in the C code below so it will print the
> C> minus sign "-" 20 or 21 times only.
> C> */
> 
> C> #include <stdio.h>
> 
> C> main()
> C> {
> C>   int i, n= 20; /*= 20 was changed to a space!*/
> C>   for(i=0; i<n; i--) printf("-");
> C>   return 0;
> C> }
> 
> C> akusaya at gmx.net wrote:
> >> 
> >> 
> >> Got it from http://www.genesim.co.il/cprog.htm
> >> 
> >> For C programmers, here is a C code quiz. You are invited to give it a
> >> try.
> >> 
> >> /*
> >> Find at least 4 different ways to change only one
> >> character in the C code below so it will print the
> >> minus sign "-" 20 or 21 times only.
> >> */
> >> 
> >> #include <stdio.h>
> >> 
> >> main()
> >> {
> >>   int i, n ;
> >>   for(i=0; i<n; i--) printf("-");
> >>   return 0;
> >> }
> >> 
> >> ===========================
> >> I can only know 2 of them,
> >> 1. change i-- to n--
> >> 2. change i<n to -i<n
> >> 
> >> Can anyone help me finding the other two? I am very curious...
> >> 
> >> Thx!
> >> 
> >>