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Given a linked list, determine if it has a cycle in it.
To represent a cycle in the given linked list, we use an integer pos which
represents the position (0-indexed) in the linked list where tail connects to. If
pos is -1, then there is no cycle in the linked list.
Example 1:
Input: head = [3,2,0,-4], pos = 1
Output: true
Explanation: There is a cycle in the linked list, where tail connects to the second node.
Difficulty:
Easy
Lock:
Normal
All contents and pictures on this website come from the Internet and are updated regularly every week. They are for personal study and research only, and should not be used for commercial purposes. Thank you for your cooperation.