How this program runs?? I don't know how 3 3 1 prints out..Please can u explain this code?..

Question

Here is the code

#include <stdio.h>

int main()

{

int a=1;

printf ("%d %d %d",a,++a,a++);

//Output is 3 3 1

//How????

return 0;

}

Answer 1

Don't try to analyze them. Multiple postfix/prefix increment operators used between two sequence points, cause undefined behavior. The results are compiler dependent.

https://stackoverflow.com/questions/949433/why-are-these-constructs-using-pre-and-post-increment-undefined-behavior

Answer 2

thanks...