deque-empty

////////////////////////////////////////
//      2018/04/23 18:54:18
//      deque-empty
#include <iostream>
#include <deque>

using namespace std;

int main(){
    deque<int> d;
    cout << "Deque is";
    d.empty() ? cout << " " : cout << " not ";
    cout << "empty." << endl;

    d.push_back(100);
    cout << "Deque is";
    d.empty() ? cout << " " : cout << " not ";
    cout << "empty." << endl;
    return 0;
}

/*
OUTPUT:
    Deque is empty.
    Deque is not empty.
*/