2015年5月7日

Valid Number

摘要： Valid Number问题：Validate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for t... 阅读全文

posted @ 2015-05-07 22:46 zhouzhou0615 阅读(160) 评论(0) 推荐(0)

Multiply Strings

摘要： Multiply Strings问题：Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily lar... 阅读全文

posted @ 2015-05-07 16:04 zhouzhou0615 阅读(228) 评论(0) 推荐(0)

Course Schedule

摘要： Course Schedule问题：There are a total ofncourses you have to take, labeled from0ton - 1.Some courses may have prerequisites, for example to take course ... 阅读全文

posted @ 2015-05-07 15:17 zhouzhou0615 阅读(141) 评论(0) 推荐(0)

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