在带头结点的单链表head为空的判定条件是()。A.head=NULLB.head->next=NULLC.head->next=headD.head!=NULL
不带头结点的单链表head为空的判定条件是:A.head==NULLB.head->next==NULLC.head->next==headD.head!=NULL
带头结点的单链表head为空表的条件是()。A.head==NULLB.head->next==NULLC.head->next==headD.head!=NULL
不带头结点的单链表head为空的条件是()。A.head==NULLB.head->next==NULLC.head->next == headD.head != NULL
1、带头结点的单链表Head为空的判定条件是()A.Head=NUllB.Head->next=NULLC.Head->next=HeadD.Head->next!=NULL
带头结点的单链表Head为空的判定条件是_______。A.Head==NULLB.Head->next==NULLC.Head->next==HeadD.Head!=NULL
带头结点的单链表head为空的判定条件是A.head==nullB.head->next==nullC.head->next==headD.head!=null
带头结点的单链表head为空的条件是()。A.head == NULLB.head->next == NULLC.head->next == headD.head != NULL
带头结点的单链表head为空的判定条件是A.head==NULLB.head->next==NULLC.head->next==headD.head!=NULL