P037.c (375B)
1 /* sum = 1 + 1+2/1*2 + 1+2+3/1*2*3 + ... + 1+2+3+...+n/1*2*3*...*n */ 2 3 #include <stdio.h> 4 5 int main() 6 { 7 double sum = 0, temp1 = 0, temp2 = 1; 8 int n, i; 9 printf("Enter value for n : "); 10 scanf("%d", &n); 11 for (i = 1; i <= n; i++) 12 { 13 temp1 += i; 14 temp2 *= i; 15 sum += temp1 / temp2; 16 } 17 printf("\nSum = %g", sum); 18 return 0; 19 }