Fire Net(深度优先搜索)
摘要:
ZOJ Problem Set - 1002Fire 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 w 阅读全文
posted @ 2013-07-23 20:52 铁树银花 阅读(347) 评论(0) 推荐(0) 编辑