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第二组测试数据的结果为什么是 6 ?

Posted by ludi at 2010-07-29 13:05:49 on Problem 3066
可以取
x1 = x2 = .... = x9 = sqrt(a) ,
x10 = -10*sqrt(a)

则
x1^p + x2^p + ... + x10^p
= 9*a + 100*a = 109*4 
远大于 6

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