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有以下结构体说明和变量定义,如下图所示,指针p、q、r分别指向一个链表中的三个连续结点。 struct node int data; struct node *next; *p,*q,*r; 现要...

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r->next=q;q->next=r->next;p->next=r;  q->next=r->next;p->next=r;r->next=q;  p->next=r;q->next=r->next;r->next=p;  q->next=r->next;r->next=q;p->next=r;  
r→next=q; q→next=r→next; p→next=r;  q→next=r→next; p→next=r; r→next=q;  p→next=r; q→next=r→next; r→next=q;  q→next=r→next; r→next=q; p→next=r;  
p->next=q->next;  p->next=p->next->next;  p->next=r;  p=q->next;  
r->next=q; q->next=r->next; p->next=r;  q->next=r->next; p->next=r; r->next=q;  p->next=r; q->next=r->next; r->next=q;  q->next=r->next; r->next=q; p->next=r;  
r->next=q;q->next=r->next;p->next=r;  q->next=r->next;p->next=r;r->next=q;  p->next=r;q->next=r->next;r->next=p;  q->next=r->next;r->next=q;p->next=r;  
r->next=q;q->next=r->next;p->next=r;  q->next=r->next;p->next=r;r->next=q;  p->next=r;q->next=r->next;r->next=p;  q->next=r->next;r->next=q;p->next=r;  
r→next=q; q→next=r→next; p→next=r;  q→next=r→next; p→next=r; r→next=q;  p→next=r; q→next=r→next; r→next=q;  q→next=r→next; r→next=q; p→next=r;  
p->next=q->next;  p->next=p->next->next;  p->next=r;  p=q->next;  
r→next=q;q→next=r→next;p →next;r;  q→next=r→next;p→next=r;r→next=q;  p→next=r;q→next=r→next;r→next=q;  q→next=r→next;r→next=q;p→next=r;  
r->next=q; q->next=r->next; p->next=r;  q->next=r->next; p->next=r; r->next=q;  p->next=r; q->next=r->next; r->next=q;  q->next=r->next; r->next=q; p->next=r;  
r->next=q; q->next=r->next; p->next=r;  q->next=r->next; p->next=r; r->next=q;  p->next=r; q->next=r->next; r->next=q;  q->next=r->next; r->next=q; p->next=r;  

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