Given an integer K and a queue of integers, we need to reverse the order of the first K elements of the queue, leaving the other elements in the same relative order. Only following standard operations ...

customers: an array of positive integers representing the queue. Each integer represents a customer, and its value is the amount of time they require to check out. n: a positive integer, the number of ...

Queue is a kind of abstract data structure that holds items in same order. queue follow fifo mechanism for operations like insertion and deletion of items.note :- one end is always used to insert data ...