Solution: Linked List Cycle III
Explore the fast and slow pointer technique to detect cycles in linked lists and accurately determine their length. This lesson helps you understand how to identify cycles by using two pointers moving at different speeds, then measure the cycle length for effective problem-solving in coding interviews.
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We'll cover the following...
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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