輸入任意一個整數，使其反序輸出

#include<iostream>
using namespace std;
int main()
{
    long long n,b=0,result;
    cin>>n;
    cout<<n%10;

	result = n;
	while(1){
		if(result==0){
			break;
		}
		else{
			b++;
		}
		result /= 10;
	}
for(int i=2;i<=b;i++)
{
    cout <<(n/10)%10;
    n=n/10;
}
cout<<endl;
}