A.head==NULL
B.head->next==NULL
C.head->next=NULL:
D.head->next!=NULL
带头结点的单向链表为空的判断条件是( )(设头指针为head)。A.head = =NULLB.head!=NULLC.head->next= =headD.head->next= =NULL
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若不带头结点的单链表的头指针为head,则该链表为空的判定条件是 ( )A.head==NULLB.head—>next==NULLC.head!=NULLD.head—>next==head
若不带头结点的单链表中,头指针为head,则该链表为空的判定条件是(25)。A.head==NULLB.head->next==NULLC.head!=NULLD.head->next==head
头指针为head的带头结点的循环链表为空的判定条件是()。A.head=nullB.head—>next=null C.head—>next=head D.head—>null
带头结点的单向链表的头指针为head,该链表为空的判定条件是()的值为真。Ahead==NULLBhead->next==headChead->next==NULLDhead==head->next
对于一个头指针为head的带头结点的单向链表,判定该表为空表的条件是:A.head==NULLB.head→next==NULLC.head→next==headD.head!=NULL
对于一个头指针为head的带头结点的单向链表,判定该表为空表的条件是()。A.head==NULLB.head→next==NULLC.head→next==headD.head!=NULL