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  1. #include <stdio.h>
  2.  
  3. /*
  4.  * 階乗n!
  5.  */
  6. int main(void) {
  7. 	int i,n,fact;
  8.  
  9. 	scanf("%d", &n);
  10. 	fact=n;
  11. 	printf("%d! = %d",n,n);
  12. 	for(i=n-1; i>0; i--){
  13. 		printf(" x %d",i);
  14. 		fact *= i;
  15. 	}
  16. 	printf("\n   = %d\n",fact);
  17.  
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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Standard input is empty
stdout
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0! = 0
   = 0
https://ideone.com/H7RUsR
for: 階乗n !
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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