C++ ASSIGNMENT:

Please answer all parts of the question and don't forget to include any necessary coding or evidence to support answer.

4. a. Suppose a queue implemented in a circular fashion is in the state shown in the following diagram Draw a diagram showing the structure after the letters G and R are inserted, three letters are removed and the letters D and P are inserted. (3 points) Head pointer Tail pointer b. What error occurs in part (a) if the letters G, R, D, and P are inserted before any letters are removed