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1. |
A doubly linked list is declared as struct Node{ int Value; struct Note*fwd; struct Node * Bwd;}Where Fwd and Bwd represent forward and backward link to the adjacent elements of the list. Which of the following segments of code deletes the node pointed to by X from the doubly liked list, if it is assumed that X points to neither the first nor the last node of the list? |
A. | x → Bwd → Fwd = X → Fwd → Bwd = X → Bwd; |
B. | X → Bwd.Fwd = x → Fwd;X.Fwd → Bwd = X → Bwd; |
C. | X.Bwd → Fwd = Bwd;X → Fwd.Bwd = X.Bwd; |
D. | X → Bwd → Fwd = X → Bwd;X → Fwd → Bwd = X → Fwd; |
Answer» B. X → Bwd.Fwd = x → Fwd;X.Fwd → Bwd = X → Bwd; | |