带有头结点的单循环链表的头指针为head,则该链表为空的判定条件是()。A、head==NULB、head-next==NULLC、head!=NULLD、head-next==head
点击查看答案
__(41)__是正确的网页代码结构。A. B.__(41)__是正确的网页代码结构。A.<html> </html> <head> </head> <body> </body>B.<tml> < head > <body> </body> < /head > < /html >C.<html> < head > < /head > <body> </body> < /html >D.<html> <body> < head > < /head > </body> < /html >
设广义表L=(soldier,(teacher,student),(worker,farmer)),head和tail函数把原子student从广义表L中分离出来的运算是(17)。A.tail(head(tail(head(L))))B.head(tail(head(Tail(L))))C.tail(head(tail(head(L))))D.head(tail(tail(head(L))))
设有指针head指向的带表头结点的单链表,现将指针p指向的结点插入表中,使之成为第一个结点,其操作是______其中p^.next、head^.next分别表示p、head所指结点的链域。A.p^.next:=head^.next; head^.next:=pB.p^.next:=head^.next; head:=pC.p^.next:=head; head:=pD.head^.next:=head; p:=head
设单链表表头指针为head,现将指针P指向的结点插入表中,使之成为第一个结点,其操作是 ______。其中p^. next、head^.next分别表示p、head所指结点的链域。A.p^. next:=head^. next;head^. next:=pB.p^. next:=head^. next;head:=pC.p^. next:=head;head:=pD.head^. next:=head;p:=head
下面选项中关于HTML语法格式描述正确的是( )。A.<html> <head> <title>…</title> </head> <body> ? </body> </html>B.<html> <head> <title>…</title> <body> ? </body> </html> </head>C.<head> <html> <title>…</title> <body> ? </body> </html> </head>D.<html> <title>…</title> <head> </head> <body> ? </body> </html>
When I got out of the car and walked about among them, ____one old man who shook his head disapprovingly, they all began to cheer.A.see that B.except that C.provided that D.except for