2014年4月23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 region... 阅读全文

posted @ 2014-04-23 22:27 pengyu2003 阅读(150) 评论(0) 推荐(0)

Search in Rotated Sorted Array

摘要： Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).You are given a target value t... 阅读全文

posted @ 2014-04-23 11:00 pengyu2003 阅读(105) 评论(0) 推荐(0)

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