摘要：
http://acm.timus.ru/problem.aspx?space=1&num=19821982. Electrification PlanTime limit: 0.5 secondMemory limit: 64 MBSome country hasncities. The gover... 阅读全文
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http://poj.org/problem?id=3254Corn FieldsTime Limit:2000MSMemory Limit:65536KTotal Submissions:9118Accepted:4843DescriptionFarmer John has purchased a... 阅读全文
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http://poj.org/problem?id=3190Stall ReservationsTime Limit:1000MSMemory Limit:65536KTotal Submissions:3567Accepted:1276Special JudgeDescriptionOh thos... 阅读全文
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http://poj.org/problem?id=1266Cover an Arc.Time Limit:1000MSMemory Limit:10000KTotal Submissions:823Accepted:308DescriptionA huge dancing-hall was con... 阅读全文