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  1. #include <stdio.h>
  2.  
  3. int calc(int n){
  4.  
  5. 	int i;
  6. 	int a=1;
  7. 	if( n < 0 ){
  8. 		n = n*(-1);
  9. 		return calc(n);
  10. 	}
  11.  
  12.  
  13. 	else {
  14. 	for(i=1;i<=n;i++){
  15. 		a*=i;
  16. 	}
  17. 	}
  18. 	return a;
  19. }
  20.  
  21.  
  22.  
  23. int main(void) {
  24. 	int n=-3;
  25. 	printf("%d",calc(n));
  26.  
  27.  
  28. 	return 0;
  29. }
  30.  
Success #stdin #stdout 0.01s 5264KB
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https://ideone.com/pfk2xi
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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