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English foundation: do some cleaning chores 题目:https://cn.vjudge.net/contest/317575#problem/A Hint: This problem has huge input data,use scanf() inste 阅读全文
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English foundation: the fractional part 小数部分 disclaimer 免责声明 fictitious 虚构的,编造的;假定的,虚设的;小说式的;假装的 No two teams have the same name. round down the numbe 阅读全文
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英文预备: second to none conduct a milk tea festival make many cups of milk tea savour(savor)品味,细品,享用;体味,享受。 savor milk tea. 题目地址:http://acm.hdu.edu.cn/co 阅读全文
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Given you n sets.All positive integers in sets are not less than 1 and not greater than m.If use these sets to combinate the new set,how many differen 阅读全文
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As we known, data stored in the computers is in binary form.(数据以二进制形式存储于电脑之中。)The problem we discuss now is about the positive integers and its binary 阅读全文