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一点想法

Posted by denghongchao at 2009-10-28 21:28:51 on Problem 2234
In Reply To:Re:通俗版异或原理 Posted by:mingruoyuan at 2009-06-22 10:49:14
抑或为0说明两数可以相互抵消。
等两个数相等时,先手必输。应为对方可以Copy来取

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