Program to find sum of series 1-x/1!+x*x/2!-.....-x*n/n!

/*Program to find sum of series 1-x/1!+x*x/2!-.....-x*n/n!*/

#include<conio.h>

#include<stdio.h>

void main()

{

int i,sum=0,n,j=1,x,power=1,fact=1,sign=1;

clrscr();

printf("Enter number of terms in series:");

scanf("%d",&n);

printf("Enter value of x:");

scanf("%d",&x);

for(i=1;i<=n;i++)

{

 power=power*x;

 fact=fact*i;

 sum=sum+sign*power/fact;

 sign=(-1)*sign;

}

printf("sum of series =%d",sum);

getch();

}