Question: 7. A circularly-linked list with a header node uses the same declarations as a simple singly-linked list. Write a C++ function that returns the length
7. A circularly-linked list with a header node uses the same declarations as a simple singly-linked list. Write a C++ function that returns the length of an ordered list represented by such a structure. This function should be iterative. (Hint: Off-line, sketch a picture.) 8. Why must we use a friend function when we overload the ' => => 2 6 2 3 45
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