P5727冰雹猜想我咋错了

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,a[10005]={0},i=1;
	cin>>n;
	a[0]=n;
	if (n==1) cout<<1;
	else {
		while(n!=1){
			if(n%2==0) {
				a[i]=n/2;
				n/=2;
			}
			else {
				a[i]=3*n+1;
				n=3*n+1;
			}
			i++; 
		}
	}
	while (i>0){
		i--;
    	printf("%d ",a[i]);
	}
	return 0;
}