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[主观题]
在一个不带头结点的链队中,假设f和r分别为队头和队尾指针,则对该队列进行出队操作中并把结点的值保存在变量e中,其运算为e=f->data;和()。
A.r=r->next
B.r->next=r
C.f=f->next
D.f->next=f
查看答案
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A.r=r->next
B.r->next=r
C.f=f->next
D.f->next=f
A.仅修改队头指针
B.仅修改队尾指针
C.队头、队尾指针都可能要修改
D.队头、队尾指针都要修改
A.仅修改队头指针
B.仅修改队尾指针
C.队头、队尾指针都要修改
D.队头,队尾指针都可能要修改
A.f->next=s;f=s;
B.r->next=s;r=s;
C.s->next=r;r=s;
D.s->next=f;f=s;
A.r=f->next
B.r=r->next
C.f=f->next
D.f=r->next
A.f->next=s;f=s;
B.r->next=s;r=s;
C.S->next=rr=s;
D.r->next=f;f=s;
A.f+1==r
B.r+1==f
C.f==0
D.f==r