랜덤으로 숫자 얻기 ; plain random number generating routine

#include 
#include 
#include 
using namespace std;


// plain random number generating routine

int main()
{
    srand((unsigned)time(NULL)); // seeding
    
    cout << RAND_MAX << endl;
    double bucket_sz = RAND_MAX/7; // To get d{0-6}
    cout << bucket_sz << endl;
    int num, ran;
    
    for(int i=0 ; i<1000 ; i++)
    {
       ran = rand();
       num = (int)(rand()/bucket_sz);
       cout << "rand: " << ran << ", num: ";
       cout << num << endl;
    }    
    
    system("pause");
    return 0;    
}