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In a cyclic single linked list, set the pointer FIRST to point to the header node, when ______ indicating that the chain table is empty.
选项：

A:first==NULL;
B:first->link==NULL;
C:first->link==first;
D:first->link->link==first

发布时间：2024-04-25 09:17:08

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In a cyclic single linked list, set the pointer FIRST to point to the header node, when ______ indicating that the chain table is empty. 选项： A:first==NULL; B:first->link==NULL; C:first->link==first; D:first->link->link==first

In a cyclic single linked list, set the pointer FIRST to point to the header node, when ______ indicating that the chain table is empty.
选项：

A:first==NULL;
B:first->link==NULL;
C:first->link==first;
D:first->link->link==first