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AC 的同志,可否试下这组数据,我的程序得好几秒阿。1000 x y 1 1 1 2 1 3 . . . . . . 1 498 1 499 1 500 2 1 2 2 2 3 . . . . . . 2 498 2 499 2 500 Followed by:
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