On 14 January 2013 11:29, GHui wrote:
>
> I code the following code.
> --------------------------
> #include <stdio.h>
> int main(int argc,char **argv)
> {
> float f[2]={4.0, 37.4};
> printf("%.2f %.2f\n",f[0],f[1]);
> printf("%d %.2f\n",f[0],f[1]);
> }
>
> And it output is following.
> -------------------------
> 4.00 37.40
> -1 4.00
>
> I confuse that f[1] is 4.00 at the second line.
The code has undefined behaviour. Don't try to reason about undefined
behaviour, you should be glad your computer didn't explode.
