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Problem Description Professor Zhang has kinds of characters and the quantity of the i-th character is ai. Professor Zhang wants to use all the charact 阅读全文
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Description An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap computers, 阅读全文
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POJ 3190 Stall Reservations贪心 Description Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some prec 阅读全文
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Description The cows have purchased a yogurt factory that makes world-famous Yucky Yogurt. Over the next N (1 <= N <= 10,000) weeks, the price of milk 阅读全文