deque<data_type> dq 下面的程序来说明这一点: C++ // C++ program to demonstrate the// working of deque#include<bits/stdc++.h>usingnamespacestd;// Driver Codeintmain(){// Declare a dequedeque<int> dq;// Insert element in the frontdq.push_front(10); dq.push_front(5); dq.push_front...