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Milking GridTime Limit: 3000MS Memory Limit: 65536KDescriptionEvery morning when they are milked, the Farmer John’s cows form a rectan... 阅读全文
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PeriodTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Problem DescriptionFor each prefix of a given st... 阅读全文
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CensusTime Limit: 8 secDescriptionThis year, there have been many problems with population calculations, since in some cities, there a... 阅读全文
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梦后楼台高锁,酒醒帘幕低垂Time Limit: 3000/1000MS (Java/Others) Memory Limit: 65535/65535KB (Java/Others)Submit Status给你一个有n个点和m条边的无向连通图,每条边都有一个权值... 阅读全文