8.queue

 #include <iostream>
 #include <stack>
 #include <algorithm>
 #include <list>
 #include <vector>
 #include <queue>
 using namespace std;

 void main()
 {
     //默认deque
     queue<int> myq;
     //默认链式队列
     queue<int, list<int>> mylistq;
     myq.push();
     myq.push();
     myq.push();
     //队列不允许迭代器访问
     /*for (auto i : myq)
     {
         cout << i << endl;
     }*/

     while (!myq.empty())
     {
         cout << myq.front() << endl;
         myq.pop();
     }
     cin.get();
 }