From 6e29e3721d89207a23713b0ed9f3833b56e2dd94 Mon Sep 17 00:00:00 2001
From: huangge1199 <huangge1199@hotmail.com>
Date: Mon, 7 Jun 2021 13:21:22 +0800
Subject: [PATCH] =?UTF-8?q?=E9=9D=A2=E8=AF=95=E9=A2=98=2002.06:=E5=9B=9E?=
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---
 .../editor/cn/PalindromeLinkedListLcci.java   | 69 +++++++++++++++++++
 .../editor/cn/PalindromeLinkedListLcci.md     | 21 ++++++
 2 files changed, 90 insertions(+)
 create mode 100644 src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.java
 create mode 100644 src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.md

diff --git a/src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.java b/src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.java
new file mode 100644
index 0000000..536f388
--- /dev/null
+++ b/src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.java
@@ -0,0 +1,69 @@
+//编写一个函数，检查输入的链表是否是回文的。 
+//
+// 
+//
+// 示例 1： 
+//
+// 输入： 1->2
+//输出： false 
+// 
+//
+// 示例 2： 
+//
+// 输入： 1->2->2->1
+//输出： true 
+// 
+//
+// 
+//
+// 进阶： 
+//你能否用 O(n) 时间复杂度和 O(1) 空间复杂度解决此题？ 
+// Related Topics 链表 
+// 👍 66 👎 0
+
+package leetcode.editor.cn;
+
+import com.code.leet.entiy.ListNode;
+
+//面试题 02.06:回文链表
+public class PalindromeLinkedListLcci{
+    public static void main(String[] args) {
+        //测试代码
+        Solution solution = new PalindromeLinkedListLcci().new Solution();
+    }
+    //力扣代码
+    //leetcode submit region begin(Prohibit modification and deletion)
+/**
+ * Definition for singly-linked list.
+ * public class ListNode {
+ *     int val;
+ *     ListNode next;
+ *     ListNode(int x) { val = x; }
+ * }
+ */
+class Solution {
+    ListNode temp;
+
+    public boolean isPalindrome(ListNode head) {
+        temp = head;
+        return isP(head);
+    }
+
+    public boolean isP(ListNode curNode) {
+        if (curNode != null) {
+            if (isP(curNode.next)) {
+                if (curNode.val != temp.val) {
+                    return false;
+                }
+                temp = temp.next;
+                return true;
+            } else {
+                return false;
+            }
+        }
+        return true;
+    }
+}
+//leetcode submit region end(Prohibit modification and deletion)
+
+}
\ No newline at end of file
diff --git a/src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.md b/src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.md
new file mode 100644
index 0000000..e5dce8f
--- /dev/null
+++ b/src/main/java/leetcode/editor/cn/PalindromeLinkedListLcci.md
@@ -0,0 +1,21 @@
+<p>编写一个函数，检查输入的链表是否是回文的。</p>
+
+<p>&nbsp;</p>
+
+<p><strong>示例 1：</strong></p>
+
+<pre><strong>输入： </strong>1-&gt;2
+<strong>输出：</strong> false 
+</pre>
+
+<p><strong>示例 2：</strong></p>
+
+<pre><strong>输入： </strong>1-&gt;2-&gt;2-&gt;1
+<strong>输出：</strong> true 
+</pre>
+
+<p>&nbsp;</p>
+
+<p><strong>进阶：</strong><br>
+你能否用 O(n) 时间复杂度和 O(1) 空间复杂度解决此题？</p>
+<div><div>Related Topics</div><div><li>链表</li></div></div>\n<div><li>👍 66</li><li>👎 0</li></div>
\ No newline at end of file