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| // @Title: 反转链表 (反转链表)
// @Author: 15816537946@163.com
// @Date: 2022-03-26 20:27:07
// @Runtime: 0 ms
// @Memory: 2.7 MB
/**
* Definition for singly-linked list.
* type ListNode struct {
* Val int
* Next *ListNode
* }
*/
func reverseList(head *ListNode) *ListNode {
if head == nil || head.Next == nil {
return head
}
p := reverseList(head.Next)
head.Next.Next = head
head.Next = nil
return p
}
|