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其实就是 水题。。。

Posted by userfriendly at 2009-02-20 21:35:39 on Problem 1657
In Reply To:主要就是象的时候 Posted by:luoguangyao at 2009-02-07 14:30:57
王, max(x-x0 y-y0)
后, 0, 1, 2 三种情况
车, 0, 1, 2
象, 0, 1, 2 或者不能 x+y 和 x0+y0不同奇偶性时为 INF

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