diff --git a/problems/0707.设计链表.md b/problems/0707.设计链表.md index 47771d28..fe8a5300 100644 --- a/problems/0707.设计链表.md +++ b/problems/0707.设计链表.md @@ -365,10 +365,7 @@ class MyLinkedList { return; } size--; - if (index == 0) { - head = head.next; - return; - } + //因为有虚拟头节点,所以不用对Index=0的情况进行特殊处理 ListNode pred = head; for (int i = 0; i < index ; i++) { pred = pred.next;