Same random numbers every time I run the program
You need to give the randum number generator a seed. This can be done by taking the current time, as this is hopefully some kind of random.
#include <cstdlib>
#include <ctime>
using namespace std;
int main()
{
int r;
srand(time(0));
r = rand();
return 0;
}
You need to seed your random number generator:
Try putting this at the beginning of the program:
srand ( time(NULL) );
Note that you will need to #include <ctime>
.
The idea here is to seed the RNG with a different number each time you launch the program. By using time as the seed, you get a different number each time you launch the program.