To find and remove a loop in a Linked List, we can use Floyd's Cycle Detection Algorithm.

• Use two pointers, slow and fast, to detect if there is a loop in the Linked List

• If the two pointers meet at som...read more

Create a hashmap and start storing every visited node into the hashmap, and check if the new node is already present in the hashmap or not. If we find the new node is already present in the hashmap th...read more