simple program

hi i am getting different answers for the same code in VC++ and
TURBOC++

The source code is as follows

Code:

---

void main()
 {
    int a=1;
    printf("%d",++a + ++a);
 }

---

What is the clarification i can get.

thanking you very much.

http://c-faq.com/expr/index.html
Your code is broken in more ways than there are lines of code, so what you get is entirely random and nothing to do with C.

Code:

---

int main()
 {
    int a=1;
    printf("%d", 2 * (a + 1));

    return 0;
 }

---

The output is 4.

Note: This program is C, not C++ (but you can compile it in a c++ compiler)

EDIT: Salem speaks the truth.

. . . assuming you include stdio.h, of course.