Linked List Cycle solution

Author: PDKhan

linked-list-cycle/PDKhan.cpp

@@ -0,0 +1,17 @@
+class Solution {
+    public:
+        bool hasCycle(ListNode *head) {
+            ListNode* slow = head;
+            ListNode* fast = head;
+    
+            while(fast && fast->next){            
+                slow = slow->next;
+                fast = fast->next->next;
+    
+                if(slow == fast)
+                    return true;
+            }
+    
+            return false;
+        }
+    };