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这题数据必然弱了啊。在n是奇数的时候，并且最优点被占用的时候。 例如 5 0 0 0 5 0 -5 3 -3 -3 3 网上有些AC的代码都是错的 对这个例子 就要分别看x,y 将最优点在x方向或者y方向挪动1带来的影响。两者取最优值 Followed by:
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