queue相关操作

#include <cstdio>#include <cstring>#include <algorithm>#include <queue>#include <iostream>using namespace std;int main(int argc, char *argv[]){queue<int> q;q.push(1);q.push(2);q.push(3);q.push(9);cout<<q.size()<<endl;cout<<q.empty()<<endl;cout<<q.front()<<endl;cout<<q.back()<<endl;while(q.empty()!=true){cout<<q.front()<<endl;q.pop();}cout<<endl;return 0;}