include stdafx include math include iostream using namespace std float

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#include "stdafx.h"
//#include "math.h"
#include <iostream>
using namespace std;
float f (char* s, int n)
{
return (float)(atof(s));
}
void main()
{ int n;
cin>>n;
char * s = new char [n];
for (int i=0;i<n;i++) cin>>s[i];
cout<<f(s,n);
}