Element in front of a queue is: 10 What is queue::back()? queue::back() is an inbuilt function in C++ STL which is declared in header file. queue::back() returns a reference to the last element which is inserted
Difference Between Priority Queue and Queue Implementation in Java? Kickstart YourCareer Get certified by completing the course Get Started Print Page PreviousNext
Learn about Heap Queue and the heapq module in Python, including its functions, usage, and examples.