#include <iostream>
#include <cstdlib> // for rand() and srand()
#include <ctime>

int main()
{
    // time function returns the number of seconds elapsed
    // since midnight, January 1, 1970.
    // srand will seed new sequence of pseudo-random numbers,
    // so that the numbers will be different every time we run.
    // (The initial seed is 1.)
    srand( (unsigned)time( 0 ) );

    for(;;) {
        // rand returns an integer pseudo-random number
        std::cout << rand() % 10;
        std::cout << '\t';
    }
    
    return 0;
}