2011年6月15日
ZOJ 1002 Fire Net 分析与解答
摘要： Problem:Fire NetSuppose 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 piece of wall. A blockhouse is a small castle that has four openings through which to shoot. The four openings are facing North, East 阅读全文
posted @ 2011-06-15 11:33 skyline0623 阅读(284) 评论(0) 推荐(0)