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(158) 评论(0) 推荐(0) 编辑

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(224) 评论(0) 推荐(0) 编辑

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(137) 评论(0) 推荐(0) 编辑

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