Linked List Cycle IV
Explore how to implement cycle detection and removal in singly linked lists using fast and slow pointers. This lesson helps you understand how to identify loops, modify the list in place to remove cycles, and maintain the original node sequence, preparing you for linked list coding interview questions.
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Statement
Given the head of a singly linked list, implement a function to detect and remove any cycle present in the list. A cycle occurs when a node's next pointer links back to a previous node, forming a loop within the list.
The function must modify the linked list in place, ensuring it remains acyclic while preserving the original node order. If no cycle is found, return the linked list as is.
Constraints:
The number of nodes in the list is in the range
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