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B - Saving the City cf--1443B Bertown is a city with nn buildings in a straight line. The city's security service discovered that some buildings were 阅读全文
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题目 C - C CodeForces - 1166C The legend of the foundation of Vectorland talks of two integers xx and yy. Centuries ago, the array king placed two marke 阅读全文
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B - B CodeForces - 699B 题目: You are given a description of a depot. It is a rectangular checkered field of n × m size. Each cell in a field can be emp 阅读全文
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C - C CodeForces - 991C 题目内容: After passing a test, Vasya got himself a box of n candies. He decided to eat an equal amount of candies each morning un 阅读全文
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B - B CodeForces - 994B 题内容: Unlike Knights of a Round Table, Knights of a Polygonal Table deprived of nobility and happy to kill each other. But each 阅读全文
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B - B CodeForces - 879B n people are standing in a line to play table tennis. At first, the first two players in the line play a game. Then the loser 阅读全文
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B - Escape The princess is going to escape the dragon's cave, and she needs to plan it carefully. The princess runs at vp miles per hour, and the drag 阅读全文