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Problem Description The TV shows such as You Are the One has been very popular. In order to meet the need of boys who are still single, TJUT hold the 阅读全文
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Problem Description There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical st 阅读全文
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题目: 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 and lab 阅读全文
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题目: Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A <= B <= 阅读全文