害死人不偿命的(3n+1)猜想

#include"stdio.h"
int main()
{
int n,s=0;
scanf("%d",&n);
while(n>1)
{ if(n%2==0)
  n=n/2;
  else
  n=(3*n+1)/2;
  s++;
  }

  printf("%d",s);

return 0;

}