testsAndMisc-archive/CPP/miscelanious/yousuckatcards/Bernouli/bernouli.cpp

// bernoulli_distribution
#include <iostream>
#include <random>

int main() {
  const int nrolls = 10000;

  std::random_device rd;
  std::mt19937 gen(rd());
  std::bernoulli_distribution distribution(0.5);

  int count = 0; // count number of trues

  for (int i = 0; i < nrolls; ++i)
    if (distribution(gen))
      ++count;

  std::cout << "bernoulli_distribution (0.5) x 10000:" << std::endl;
  std::cout << "true:  " << count << std::endl;
  std::cout << "false: " << nrolls - count << std::endl;

  return 0;
}