From e866e14b869ea21b5720045302cf9e4378c212ce Mon Sep 17 00:00:00 2001
From: Kirito <1362050620@qq.com>
Date: Mon, 13 Aug 2018 22:33:47 +0800
Subject: [PATCH] Create 141.cpp

---
 LeetCode-CN/141.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 LeetCode-CN/141.cpp

diff --git a/LeetCode-CN/141.cpp b/LeetCode-CN/141.cpp
new file mode 100644
index 0000000..e6a0cb9
--- /dev/null
+++ b/LeetCode-CN/141.cpp
@@ -0,0 +1,14 @@
+class Solution {
+public:
+	bool hasCycle(ListNode *head) {
+		if (head == nullptr || head->next == nullptr) return false;
+		ListNode* p = head;
+		ListNode* q = head->next->next;
+		while (p != q && q && q->next)
+		{
+			p = p->next;
+			q = q->next->next;
+		}
+		return (p == q);
+	}
+};