update q25

4 years ago · ec74fda8bc
parent 5a7595bbd4
commit ec74fda8bc
1 changed files with 3 additions and 0 deletions
--- a/src/链表操作/q25_k个一组翻转链表/Solution.java
+++ b/src/链表操作/q25_k个一组翻转链表/Solution.java
@ -1,5 +1,8 @@
 package 链表操作.q25_k个一组翻转链表;

+/**
+ * 难点在于返回每个部分被修改的头节点，新建一个头节点的前置节点 o(n)
+ */
 public class Solution {

    public ListNode reverseKGroup(ListNode head, int k) {