已知指针p和q分别指向某单链表中第一个结点和最后一个结点。假设指针s指向另一个单链表中某个结点
A.q—>next=s—>next;s—>next=p;
B.s—>next=P;q—>next=s—>next;
C.p—>next=s—>next;s—>next=q;
D.s—>next=q;p—>next=s—>next;
A.q—>next=s—>next;s—>next=p;
B.s—>next=P;q—>next=s—>next;
C.p—>next=s—>next;s—>next=q;
D.s—>next=q;p—>next=s—>next;
A.q->next = t->next; t->next = p;
B.t->next = p; q->next = t->next;
C.p->next = t->next; t->next = q;
D.t->next = q; p->next = s->next;
A.q:=p↑.link;p↑.link:=q↑.link;
B.p↑.link.q↑.link;q:=p↑.link;
C.q↑.link:=p↑.link;p↑.link:=q;
D.p↑.link:=q;q↑.link:=p↑.link;
A.q:=p^.link;p^.link:=q^.link
B.p^.link:=q^.link;q:=p^.link
C.q^.link:=p^.link;p^.link:=q
D.p^.link:=q;q^.link:=p^.link
A.q:p↑.link;p↑.link:=q↑.link;
B.p↑.link:=q↑.link;q:=p↑.link;
C.q↑.link:=p↑.link;p↑.link:=q;
D.p↑.link:=q;q↑.link:=p↑.link;
A)q;=p↑.link;p↑.link:=q↑,link;
B)p↑.link.q↑.link;q:=p↑.link;
C)q↑.link::p↑.link;P↑.link:=q;
D)P↑.link:=q;q↑.link:=p↑.link;
A.q:=p↑.link;p↑.link:=q↑.link
B.p↑.link:=q↑.link;q:=p↑.link
C.q↑.link:=p↑.link;p↑.link:=q
D.p↑.link:=q;q↑.link:=p↑.link
A.q:=p↑.link;p↑.link:=q↑.link;
B.p↑.link:=q↑.link;q:=p↑.link;
C.q↑.link:=p↑.link;q↑.1ink:=q;
D.p↑.link:=q;q↑.link:=p↑.link;
A.q:=p^.link;p^.link:=q^.link;
B.p^.link:=q^.link;q:=p^.link;
C.q^.link:=p^.link;p^.link:=q;
D.p^.link:=q;q^.link:=p^.link;
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