DSA Level 2 Data Structures Linked List Is Cycle Present In Linkedlist

Is Cycle Present In Linkedlist

easy

1. Given a singly linklist. determine if the linked list has a cycle in it.
2. There is a cycle in a linked list if there is some node in the list that can be reached again by continuously following the next pointer.

Input Format

input is handle for you

Output Format

output is handle for you.

Constraints

0 &lt;= N &lt;= 10^6

Notice

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Example

Input

Output

true

Copy Linkedlist With Random Pointers

Add Two Linkedlist

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