2016年4月23日
摘要: Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a st... 阅读全文
posted @ 2016-04-23 05:40 cnxo 阅读(108) 评论(0) 推荐(0) 编辑
摘要: Problem Description background: A new semester comes , and the HDU also meets its 50th birthday. No matter what’s your major, the only thing ... 阅读全文
posted @ 2016-04-23 00:01 cnxo 阅读(134) 评论(0) 推荐(0) 编辑