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思路不对吗????

Posted by y07yangruilong at 2007-10-17 19:37:24 on Problem 2154
不知道我考虑的对不对,用polya+Euler函数,可是还是超时,预处理的多也不行,少也不行,是我思路错了,还是代码不过关啊???

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