#include <cstdint>
#include <vector>
#include <limits>
#include <ctime>
#include <cstdint>
#include <random>
#include <cstdlib>
#include <algorithm>

int main()
{
  const int NUMS = 100;
  int cds[NUMS];
  std::random_device rand;
  std::mt19937 engine(rand());
  std::shuffle(std::begin(cds), std::end(cds), engine);
}