C++ STL queue::empty() and queue::size() function: Here, we are going to learn aboutempty() and size() function of the queue with the Example. Submitted byIncludeHelp, on November 27, 2018 In C++ STL, Queue is a type of container that followsFIFO(First-in-First-out) elements arrang...
queue_name.front(); C++ STL queue::back() function The functionback()returns the reference to the last element in the queue i.e. the newest element in the queue, so it is used to get the first element from the back of the list of a queue. ...
C++ STL queue::pop() function pop()removes an element from the front of the queue. After executing this function, the oldest element removed from the queue and its size decreased by 1. Syntax queue_name.pop(); Example of queue::push() and queue::pop() in C++ STL ...
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