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啊啊啊,归并居然超时的给你们经验了。

Posted by chenxia832 at 2011-08-21 22:52:07 on Problem 2299
千万别在mergesort过程中申请一个新的数组B记录来存放归并结果
申请空间的时间巨长……
我TLE了3次才想起来改这个,
最后422MS过了。
郁闷了半天。。

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