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Farmer John is an astounding accounting wizard and has realized he might run out of money to run the farm. He has already calculated and recorded the 阅读全文
posted @ 2017-04-23 21:49
天之道，利而不害
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King George has recently decided that he would like to have a new design for the royal graveyard. The graveyard must consist of several sections, each 阅读全文
posted @ 2017-04-23 21:43
天之道，利而不害
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Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representations does a given positive integ 阅读全文
posted @ 2017-04-23 21:38
天之道，利而不害
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As you very well know, this year's funkiest numbers are so called triangular numbers (that is, integers that are representable as , where k is some po 阅读全文
posted @ 2017-04-23 12:05
天之道，利而不害
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One day a highly important task was commissioned to Vasya — writing a program in a night. The program consists of n lines of code. Vasya is already ex 阅读全文
posted @ 2017-04-23 12:01
天之道，利而不害
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