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A colored stripe is represented by a horizontal row ofnsquare cells, each cell is pained one ofkcolors. Your task is to repaint the minimum number of ... 阅读全文
posted @ 2015-07-20 21:16
Painting、时光
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/*大意：给出m给不认识关系，要把他们分成两组，每组人都要认识用一个col来记录是否相邻,如果出现奇数环会使得col[v] != 3 - color，不能省如果不存在边，特判，分一个人过去*/#include #include #include #include using namespace st... 阅读全文
posted @ 2015-07-20 20:31
Painting、时光
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Young theoretical computer scientist wyh2000 is teaching young pupils some basic concepts about strings.A subsequence of a stringsis a string that can... 阅读全文
posted @ 2015-07-20 14:53
Painting、时光
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Vasya has a very beautiful country garden that can be represented as ann × mrectangular field divided inton·msquares. One beautiful day Vasya remember... 阅读全文
posted @ 2015-07-20 14:33
Painting、时光
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