Cte-e Serie

#include <iostream>
#include <iomanip>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {

    double acum1,acum2,e;
    int i;

    acum1=1;acum2=1;

    for (i=1 ; i<=7 ; i++){

        acum1=acum1*i;

        acum2=acum2+(1/acum1);

    }

    std::cout<< std::fixed <<std:: setprecision(8);
    std::cout<< acum2 << std::endl;


    return 0;
}