#include <iostream> #include <deque> using namespace std; class Guest { public: string name; bool vip; Guest(string name, bool vip) { this->name = name; this->vip = vip; } }; int main() { Guest guest1("张三", false); Guest guest2("李四", false); Guest vipGuest("王五", true); deque<Guest> deque; // write your code here...... deque.push_back(guest1); deque.push_back(guest2); deque.push_front(vipGuest); for (Guest g : deque) { cout << g.name << " "; } return 0; }