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对w升序,w相等时对h降序,理由见内

Posted by xuchang at 2010-10-09 09:28:37 on Problem 3636
        要使用dilworth定理,必须使得集合满足偏序关系,如果是按h升序,那么就不满足“出现在前面且小于它”这个偏序关系了,就不能运用该定理了,即使在程序里加入了控制语句也还是WA

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