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  1. /* Find factorial of a number using recursion */
  2.  
  3. #include <stdio.h>
  4.  
  5. int fact(int);
  6.  
  7.  
  8. int main()
  9. {
  10. 	int num;
  11. 	int result;
  12.  
  13. 	printf("Enter a Number: ");
  14. 	scanf("%d", &num);
  15.  
  16. 	result = fact(num);
  17. 	printf("%d! = %d\n", num, result);
  18. }
  19.  
  20. int fact(int num)
  21. {
  22. 	int result;
  23.  
  24. 	if (num == 0)
  25. 		return 1;
  26.  
  27. 	result = num * fact(num - 1);
  28. 	return result;
  29. }
Success #stdin #stdout 0s 9424KB
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stdin
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6
stdout
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Enter a Number: 6! = 720
https://ideone.com/zTp6Ga
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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