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问题详情

不带头结点的单链表head为空的判断条件是( )。

A、head==NULL

B、head->next==NULL

C、head->next==head

D、.head!=NULL

时间：2021-09-01 23:42 关键词：青书学堂哈尔滨师范大学数据结构计算机科学与技术专升本平时作业1

答案解析

A

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