题解 | #反转链表#
反转链表
https://www.nowcoder.com/practice/75e878df47f24fdc9dc3e400ec6058ca
package main
import . "nc_tools"
/*
* type ListNode struct{
* Val int
* Next *ListNode
* }
*/
/**
*
* @param pHead ListNode类
* @return ListNode类
*/
func ReverseList(pHead *ListNode) *ListNode {
// write code here
if pHead == nil {
return nil
}
now := pHead
next := pHead.Next
now.Next = nil
for next != nil {
now, next, next.Next = next, next.Next, now
}
return now
}
超级简单,利用go的特性不用中间变量
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