Circular linked list

#1

i am not able to understand how to take the inputs or ,how to define it is containg loop

#2

Inputs are normal integer values only. The linked list will start from the first input and the loop is defined when any element is repeated. Like for 1 2 3 4 5 2 3 -1, it is like
1-2-3
5-4

#3

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