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The interval angle between the hour hand and the minute hand is always among 0 degree and 180 degree(including 0 and 180 degree). For example, when it... 阅读全文
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1A.Theatre Square in the capital city of Berland has a rectangular shape with the size n × m meters. On the occasion of the city's anniversary, a deci... 阅读全文
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The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backward). Write a... 阅读全文
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Since milk packaging is such a low margin business, it is important to keep the price of the raw product (milk) as low as possible. Help Merry Milk Ma... 阅读全文
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Problem DescriptionI have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B.InputThe first line of ... 阅读全文