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我只想说SAM也是可做的,SAM大法好,虽然写了190行,2400ms :)

Posted by lpl1998 at 2015-05-04 21:50:56 on Problem 3294 and last updated at 2015-05-04 21:52:21
用到了树链的并QAQ
&&用到各种vector以及stringQAQ

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