Solution: Linked List Cycle III
Explore how to detect a cycle in a linked list and determine its exact length using the fast and slow pointer method. This lesson guides you through initializing pointers, detecting cycles, and calculating the cycle length with optimized time and space complexity, helping you master a crucial pattern in coding interviews.
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Statement
Given the head of a linked list, determine the length of the cycle present in the linked list. If there is no cycle, return 0.
A cycle exists in a linked list if there is some node in the list that can be reached again by continuously following the next pointer.
Constraints:
The number of nodes in the list is in the range
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