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我试图删除双向链表中的一个节点,但这里的问题是,当我有清单:7-6-5-4-3-2-1,并尝试删除3,我得到7-6-5-4-3,我无法弄清楚错误。请帮忙!双链表:删除节点
void RemoveItem(int itm)
{
if (Head->item == itm) {
Head = Head -> Next;
cout<<"\nItem is at 1st node & removed\n";flag=1;
}
else if (Head->Next == NULL) {
cout<<" \n This is 1-node list & item not in it\n";
}
else {
node *current, *del = Head;
while(del->Next != NULL && del->item != itm) {
del = del->Next;
}
current = del;
current->Next = del->Next;
del->Next->previous = current;
delete(del);
del->Next = NULL;
flag = 1;
}
}
它没有这样工作,与以前相同的输出。 :/ –
@AliZahr摆脱其他一切包括设置当前删除和只是使用这个逻辑 –
我做了,但现在我进入无限循环:/ 这里的代码:while(del-> Next!= NULL && del-> item!= itm){del | del-> Next; } del-> Next-> previous = del-> previous; del-> previous-> Next = del-> Next; 删除(del); –