[random number] sample code

[reddit] random_numbers_generation_in_c
Random numbers generation in C++

 
#include <stdint.h>
#include <algorithm>
#include <functional>
#include <iostream>
#include <random>
#include <vector>
using namespace std;

int main() {
    random_device rd;

    vector<uint32_t> v(mt19937::state_size);
    generate(v.begin(), v.end(), ref(rd));
    seed_seq seed(v.begin(), v.end());
    mt19937 mt(seed);

    vector<uint32_t> v64(mt19937_64::state_size * 2); // because 2 * 32 == 64
    generate(v64.begin(), v64.end(), ref(rd));
    seed_seq seed64(v64.begin(), v64.end());
    mt19937_64 mt64(seed64);

    cout << mt() << endl;
    cout << mt64() << endl;
}