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2014年8月19日 #

B - Avoiding a disaster

摘要： DescriptionPercy likes to be punctual. So much so that he always keeps three watches with him, so that he can be sure exactly what the time is. Howeve... 阅读全文

posted @ 2014-08-19 10:33 点点滴滴” 阅读(398) 评论(0) 推荐(0)

J - Oil Skimming 二分图的最大匹配

摘要： DescriptionThanks to a certain "green" resources company, there is a new profitable industry of oil skimming. There are large slicks of crude oil floa... 阅读全文

posted @ 2014-08-19 09:23 点点滴滴” 阅读(202) 评论(0) 推荐(0)