If I don't specify srand(), what seed does rand() use?

Question

Here is the code:

#include 
#include 
#include 

int main(void)
{
    int r;
    int i;
    for (i = 0; i < 1         


        

Answer 1

If srand is not called, rand acts as if srand(1) has been called.

http://www.acm.uiuc.edu/webmonkeys/book/c_guide/2.13.html#rand