C++ Normal, Exponential Distributions
#include <random>
#include <chrono>
void save(int n,string fname, double *x1,double *x2){
int i;
FILE *p = fopen(fname.c_str(),"w");
for(i=0;i<n;i++)fprintf(p,"%.10f\t %.10f\t \n",x1[i],x2[i]);
fclose(p);
}//save()
int...