[wdliming]

Rcently,i come across a problem,i wrote a code as following:

#include <stdio.h>
//#include <stdlib.h>
void ex(int &a,int &b)
{
 int  t;
 t = a;
 a = b;
 b = t;
}
int main()
{
 int a,b;
 a = 1;
 b = 2;
 printf("%d%d\n",a,b);
 ex(a,b);
 printf("%d%d\n",a,b);
    //printf("Hello world!\n");
    return 0;
}

but when i copy it into codeblocks and wDEV c++,then i rebuild it ,it could not success,but when i rebuild it in c-free,it works!~~nothing wrong.
could someone tell me why?
Thank you !

[jimblumberg]

Cross-posted and answered here http://cboard.cprogramming.com/c-pro...-complier.html