Write a c++ programe to calculte value of Y from "Y=1/1!+2/2!+3/3!+.......+n/n!

Answer 1

#include<iostream>
#include"stdafx.h"

double factorial(int x)
{
int fact = 1;
for(int i = 1; i <= x; i++)
{
fact *= i;
}
return fact;
}
int main()
{
int n;
double Y = 0;
using namespace std;
cout << "Enter a number :" << endl;
cin >> n;
for(int i = 1; i <= n; i++)
{
Y += (i/factorial(i));
}
cout << "Y = " << Y << endl;
return 0;
}

Answer 2

Not run

Answer 3

I've tested it in visual studio...