bow many element do we need to move? ve? (2 3. 3 points The 4. Draw pictures to represent a (circular linked list, doubly linked list with integer values 1, 16, 27, 92. (6 points) (8 poin 5. Please write down the output results the following function void maino Queue Q: Init Queue(Q): Enter Queuet Q. h'): Enter Queue( Q. 'd'), EnterQueuet Delete_ Queue( Q. x): Enter Queue( Q, x ) Delete _Queue( Q, x); Enter Queue( Q. 'x'; while !QueueEmpty(Q)) (Delete Queue( Q.y); Pri printf m%c", x); Answer the following questions about tree basic concepts (8 points) (1) The depth of the tree (2) The degree of the node D- (3) The degree of the tree 6. ; (4) The level of the node A B