Desafios : Aula 2, Atividade 1 (10935 -- Throwing Cards Away I)

main.cpp

#include <iostream>
#include <queue>

using namespace std;

int main() {
    queue<int> fila;
    int n, aux, i;
    //int executed = 0;
    while (cin >> n) {
        if(n==0 or n > 50) {break;}
        //if(executed) {cout << "\n";}
        for (i=1; i<=n; i++) {
            fila.push(i);
        }
        if (n!=1) {cout << "Discarded cards: " ;}
        else{ cout << "Discarded cards:" ;}
        while (fila.size() > 1) {
            cout << fila.front();
            fila.pop();
            aux = fila.front();
            fila.pop();
            if (!fila.empty()){
                cout << ", ";
            }
            fila.push(aux);
        }
        //executed = 1;
        cout << "\n";
        cout << "Remaining card: " << fila.front();
        cout << "\n";
        fila.pop();
    }
    return 0;
}