摘要：
Floyd判圈算法 leetcode 上 编号为202 的happy number 问题，有点意思。happy number 的定义为： A happy number is a number defined by the following process: Starting with any p... 阅读全文
摘要：
今天在leetcode看到一个题目：Majority Element，题目内容是： Given an array of size n, find the majority element. The majority element is the element that appears more t... 阅读全文