2012年4月1日
ZOJ1002 Fire Net
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 street or a... 阅读全文
posted @ 2012-04-01 13:39 ZH奶酪 阅读(325) 评论(0) 推荐(0) 编辑