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哈哈哈,0ms一次AC。庆祝!!!这题好简单
int main()
{
float n;
while(cin>>n && n > 0.00)
{
float c=0.0; int i = 2;
while( n-c > 0.000001)
c += 1.0/i++;
cout<<i-2<<" card(s)"<<endl;
}
return 0;
}
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