Solve : Linked List Cycle

Author: printjin-gmailcom

linked-list-cycle/printjin-gmailcom.py

@@ -0,0 +1,9 @@
+class Solution:
+    def hasCycle(self, head):
+        slow = fast = head
+        while fast and fast.next:
+            slow = slow.next
+            fast = fast.next.next
+            if slow == fast:
+                return True
+        return False