#include<iostream>
#include<random>
#include<fstream>
#include<map>
using namespace std;

int main(){

    mt19937 mt; //The Mersenne Twister is a pseudorandom number generator (PRNG), default_seed is a member constant, defined as 5489u;
    exponential_distribution<double> exponential_intervals(20.0);
        double interval;
        double timestamp = 0;
        for(int j = 0; j < 20; j ++){
            interval = exponential_intervals(mt);
            cout<<interval<<endl;
            timestamp += interval;  //generate exponentional distribution randoms, in micro seconds

        }

    return 0;
}

0.118112
0.0900931
0.00679023
0.173476
0.122309
0.0124894
0.0500325
0.0184205
0.00513157
0.0396175
0.016321
0.0104363
0.0395801
0.247252
0.157921
0.2822
0.167461
0.171627