2018年2月3日
LeetCode 367. Valid Perfect Square
摘要： Given a positive integer num, write a function which returns True if num is a perfect square else False. Note: Do not use any built-in library functio 阅读全文
posted @ 2018-02-03 06:22 Jimmy_Cheng 阅读(179) 评论(0) 推荐(0)
LeetCode 326. Power of Three
摘要： Given an integer, write a function to determine if it is a power of three. Follow up:Could you do it without using any loop / recursion? 题目标签：Math 题目要 阅读全文
posted @ 2018-02-03 05:46 Jimmy_Cheng 阅读(227) 评论(0) 推荐(0)