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 ...

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 ...

Recently I had a task to develop the application which will have large work queue and which need to survive the restarts. The application need to be lightweight. After trying several different ...