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求证(总是编译出错)#include<iostream>
#include<iomanip>
using namespace std;
void main()
{
cin>>setprecision(3);
float number;
while(cin>>fixed>>number)
{
float sum=0;
if(number<0.01||number>5.20)
{
cout<<"input error"<<endl;
cin>>fixed>>number;
}
if(number==0)
return;
for(float i=2;sum<number;i++)
{
sum+=(1/i);
}
cout<<i-2<<" card(s)"<<endl;
}
}
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