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Problem DescriptionJGShining's kingdom consists of 2n(n is no more than 500,000) small cities which are located in two parallel lines.Half of these ci... 阅读全文
posted @ 2015-05-22 20:39
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Problem DescriptionNow I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more diffic... 阅读全文
posted @ 2015-05-22 19:50
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