Bone Collector IITime Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 916 Accepted Submission(s): 437Problem DescriptionThe title of this problem is familiar,isn't it?yeah,if you had took part in
Power NetworkTime Limit: 2000MS Memory Limit: 32768KTotal Submissions: 18309 Accepted: 9643DescriptionA power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied with an
http://acmoj.shu.edu.cn/openjudge/viewproblem?coll_id=1&prob_id=241 Franklin's TroubleDescriptionProfessor Franklin is consulting for an oil company, which is planning a large pipeline running east to west through an oil field of M wells. From
http://poj.org/problem?id=2965The Pilots Brothers' refrigeratorTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 10158Accepted: 3707Special JudgeDescriptionThe game “The Pilots Brothers: following the stripy elephant” has a quest where a
由konig定理 最小點覆蓋==最大匹配可以發現的是在一個二分圖中只要將最小點覆蓋集中的點都去掉,那麼剩下的點之間就沒有邊了, 也就是剩下來的為最大點獨立集然後就可以用 (最大點獨立集)==(n-最小點覆蓋)==(n-最大匹配) Girls and BoysTime Limit: 5000MS Memory Limit: 10000KTotal Submissions: 9325 Accepted: 4123DescriptionIn the second year of the