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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n,i,k;
  5. 	scanf("%d",&n);
  6. 	k=n;
  7. 	printf("%d!=%d",n,n);
  8. 	for(i=n-1;i>0;i--){
  9. 		k*=i;
  10. 		printf("x%d",i);
  11.  
  12. 	}
  13. 	printf("\n  =%d",k);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5268KB
comments (?)
stdin
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7
stdout
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7!=7x6x5x4x3x2x1
  =5040
https://ideone.com/eJk9el
language:
C99 (gcc 8.3)
created:
13 hours ago
visibility:
public

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