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  1. #include <stdio.h>
  2.  
  3. int main() 
  4. {
  5. 	int n,count=0;
  6. 	n=30;
  7. 	while(n!=1){
  8. 	if(n%2==0)
  9. 	n=n/2;
  10. 	else n=3*n+1;
  11. 	count++;
  12. }
  13. 	printf("%d回　\n",count);	
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5320KB
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18回　
https://ideone.com/V5TYVi
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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