摘要： 这应该是我自己做出来的第一道题，所以刚开始的时候把我激动坏了。Write a program to check whether a given number is an ugly number.Ugly numbers are positive numbers whose prime factors... 阅读全文

摘要： 刚注册了leetcode，推荐的第一题就是Nim Game。You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you ta... 阅读全文