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这题和欧拉函数有关系么?

Posted by zhongming at 2008-05-20 14:54:37 on Problem 1091
可以完成任务的卡片上的公约数为1时可以完成任务  择公约数不为1时不能完成任务  若公约数不为1   择必为能被M整除的某个质数  如 公约数是2的概率为(1/2)^n,公约数是3的概率为(1/3)^n.....ect....
所以  这  明明是个概率题嘛。。。。。。。。。。。。。

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