T_pb22

#include <iostream>

using namespace std;

int main ()
{

float S=0;
long x,n,i,p,nr,cp;
i=1;p=1;nr=1;

cout<<"x=";cin>>x;
cout<<"n=";cin>>n;

while (i<=n)
{
     nr=1;
    cp=p;
    do
    {
        nr*=x;
        cp--;
    } while (cp!=0);

    S+=(float)nr/(float)p;
    p+=2;
    i++;
}
cout<<"S="<<S;
return 0;
}