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Leetcode 142 - Linked List Cycle 2 – Find Start Node of Loop
LeetCode 142: Linked List Cycle II solved in JavaScript in under 1 minute! We first detect the cycle with Floyd’s slow & fast pointer, then use a second phase with reset pointer to find the starting node of the cycle in O(n) time and O(1) space. Perfect quick revision for coding interviews—like and subscribe for more LeetCode JS shorts. ⏯ ...
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