Uva 10935 - Throwing cards away I

#include<bits/stdc++.h>

using namespace std;

typedef long long LL;
typedef long L;
typedef vector<LL>vll;
typedef queue<LL>qll;

int main()
{
    qll Q;
    LL n,i;
    while(cin >> n and n)
    {
        for(i=1;i<=n;i++)
        {
            //LL x;
            //cin >> x;
            //v.push_back(i);
            Q.push(i);
        }

        LL rem;

        cout << "Discarded cards:";

        while(Q.size() > 1)
        {
            cout << " " << Q.front();

            Q.pop();

            rem=Q.front();

            Q.push(rem);

            Q.pop();

            if(Q.size()>1)
            {
                cout << ",";
            }
        }

        cout << endl << "Remaining card: " << Q.front() << endl;
        Q.pop();
    }

    return 0;
}