#include <cstdlib>
#include <iostream>
#include <ctime>
 
int main() 
{
    std::srand(std::time(nullptr)); // use current time as seed for random generator
    int random_variable = std::rand();
    std::cout << "Random value on [0 " << RAND_MAX << "]: " 
              << random_variable << '\n';
}

#include <cstdlib>

int main() {
  std::cout << "RAND_MAX value is " << RAND_MAX << std::endl;
}

#include <ctime>

int main() {
 srand((unsigned) time(0)); 
 int result = 1 + (rand() % 6); // return a number between 1 and 6
}