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  1. #include <stdio.h>
  2. float factorial(int n)
  3. {
  4. 	if (n==0)
  5. 		return 1;
  6. 	else
  7. 		return (1.0/n) * factorial(n-1);
  8. }
  9. int main ()
  10. {
  11. 	int i, n;
  12. 	float sum=0;
  13. 	printf("Enter desired factorial fraction: ");
  14. 	scanf("%d", &n);
  15. 	for (i=1; i<=n; i++) 
  16. 		sum = sum + factorial(i);
  17. 	printf("The value is %f\n", sum);
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 2296KB
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Enter desired factorial fraction: The value is 1.666667
https://ideone.com/o2XGhE
sum of factorial fraction: 1/1! 1/2! 1/3! ...
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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