Detecting a Cycle in a Linked List: How do you detect a cycle using slow/fast pointers?

Detecting a Cycle in a Linked List: How do you detect a cycle using slow/fast pointers?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, python, topic-specific

参考答案摘要

You move one pointer one step at a time and another two steps at a time, if there is a cycle they will meet, if the fast pointer reaches the end then there is no cycle, this uses no extra memory and i...

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