STL 之 queue

默认容器为双端队列deque

 

常用的函数有：

empty

Test whether container is empty (public member function )

size

Return size (public member function )

front

Access next element (public member function )

back

Access last element (public member function )

push

Insert element (public member function )

emplace 

Construct and insert element (public member function )

pop

　　　　Remove next element (public member function )