Implementation a simple FIFO queue using arrays.

Write a programs that will ask the user for the size of the queue. Then it will start reading characters from the keyboard and store them in the queue. If the user enters an empty line then the program should display up to two characters that have been waiting the longest in the queue (each one on a different line) and continue accepting input from the user. The program should end when the user enters ? .-Implementation a simple FIFO queue using arrays.

Write a programs that will ask the user for the size of the queue. Then it will start reading characters from the keyboard and store them in the queue. If the user enters an empty line then the program should display up to two characters that have been waiting the longest in the queue (each one on a different line) and continue accepting input from the user. The program should end when the user enters　? .