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Re:c语言AC了 但C++死活WA.主程序都是一句,有兴趣的来看看WHY??!!In Reply To:c语言AC了 但C++死活WA.主程序都是一句,有兴趣的来看看WHY??!! Posted by:20054959 at 2007-03-15 21:04:27 > C++: //WA
> while(cin>>n>>p)
> cout<<floor(pow(p,1.0/n))<<endl;
> C: //AC
> while(scanf("%lf%lf",&n,&p)==2)
> printf("%.0lf\n",pow(p,1.0/n));
改成：
while(cin>>n>>p)
cout<<(int)(pow(p,1.0/n)+0.5)<<endl;
即可。
原因是floor函数取较小整数，若结果为：3.9999999这种形式的就错了
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