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2013年3月27日
ZOJ 1002 Fire Net（DFS）
摘要： Fire NetTime Limit:2 Seconds Memory Limit:65536 KBSuppose 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 fou 阅读全文
posted @ 2013-03-27 13:49 贾树丙 阅读(182) 评论(0) 推荐(0)