// linear_congruential_engine::operator()
#include <iostream>
#include <chrono>
#include <random>
 
int main ()
{
  // obtain a seed from the system clock:
  unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
 
  std::minstd_rand0 generator (seed);  // minstd_rand0 is a standard linear_congruential_engine
  std::cout << "Random value: " << generator() << std::endl;
 
  return 0;
}