Someone tell me how can implement circular liked list in data structures

Answer 1

Connect the end to the root ?

Answer 2

A circular linked list is a singly linked list with its tail node connected to the head node. There is no NULL.

Answer 3

You can always use the search feature in code playground.
https://code.sololearn.com/cceJwsz7nym0/?ref=app
https://code.sololearn.com/c135O1Yol83G/?ref=app
https://code.sololearn.com/czWQEywDNfwO/?ref=app