2014年7月8日
Surrounded Regions
摘要： Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'.A region is captured by flipping all 'O's into 'X's in that surrounded ... 阅读全文
posted @ 2014-07-08 10:25 Awy 阅读(193) 评论(0) 推荐(0)
Reverse Words in a String
摘要： Given an input string, reverse the string word by word.For example,Given s = "the sky is blue",return "blue is sky the".click to show clarification.Cl... 阅读全文
posted @ 2014-07-08 09:13 Awy 阅读(174) 评论(0) 推荐(0)