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C++ Queue emplace() Function C++ Queue emplace() function adds a new element at the end of the queue, following the current back…

C++ Stack size() Function C++ Stack size() function returns the number of stack elements. The number of stack elements is referred to…

C++ stack top() function C++ Stack top() function returns the value of the top element in the stack. The top element is…

C++ Queue back() Function C++ Queue function returns the value of the last element of the queue. Here last element is the…

C++ Queue empty() Function C++ Queue empty() function is used for testing whether the container is empty or not. Sometimes before actually…

C++ queue front() Function C++ Queue front() function returns the value of the front element of the queue. The first element is…

C++ Queue pop() Function C++ Queue pop() function is used for removing the topmost element of the queue. The function is implied…

C++ Queue push() Function C++ Queue push() function is used for adding new elements at the rear of the queue. The function…

C++ Queue size() Function C++ Queue size() function returns the number of queue elements. The number of elements in the queue is…

C++ Stack emplace() Function C++ Stack emplace() function adds a new element at the top of the stack above the current top…