ex07lista05

/*
It calculates the sum of the first n terms of a series with factorials in its denominator.
*/

#include <stdio.h>

int main(){

    int n, w = 1, k = 1;
    float e = 1;

    printf("Enter n: ");
    scanf("%d", &n);

    while(k <= n){
        w = w*k;
        e = e + 1.0/(w);
        k = k + 1;
    }

    printf("%f\n", e);
}