OpenEuphoria

Re[2]: OOT: Interesting C quiz

• Posted by akusaya at gmx.net Feb 17, 2004
• 479 views

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!
>> 
>>