2018年5月11日
Valid Perfect Square
摘要： 1、题目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... 阅读全文
posted @ 2018-05-11 16:01 crr121 阅读(151) 评论(0) 推荐(0)
Word Pattern
摘要： 1、题目Given a pattern and a string str, find if str follows the same pattern.Here follow means a full match, such that there is a biject... 阅读全文
posted @ 2018-05-11 14:56 crr121 阅读(138) 评论(0) 推荐(0)