PAT 1001 害死人不偿命的(3n+1)猜想

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