/* Program to find out the sum of 1 + x + (x ^2)/2! +.....10 terms series */
/* Problem 13 */

#include <stdio.h>
#include <conio.h>
#include <math.h>

int fact(int n)
{
if (n == 1)
	return 1;
else
	return (n * fact(n-1));
}

main()
{
int x,i;
float sum;
clrscr();
printf("Enter the value of x : ");
scanf("%d",&x);
sum = 1.0;
for (i = 1; i <= 9; i++)
	sum += pow(x,i) / fact(i);
printf("\nThe sum of the series for x=%d is %f",x,sum);
printf("\n\nPress any key to exit...");
getch();
}