[LeetCode] 457. Circular Array Loop 环形数组循环
You are given a circular array nums of positive and negative integers. If a number k at an index is positive, then move forward k steps. ...
原文：leetcode 457. Circular Array Loop
先回顾一下链表的类似问题 leetcode 判定链表是否有环 慢指针slowPtr每次后移 个结点。快指针fastPtr每次后移 个结点 LeetCode 找出环的入口点 起点 当fast按照每次 步，slow每次一步的方式走，发现fastPtr和slowPtr重合，确定了单向链表有环路。接下来，让slowPrt回到链表的头部，然后slowPtr和fastPtr各自从自己的位置 fastPtr从两 ...
2020-01-07 00:38 0 719 推荐指数：
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