#include<iostream> |
#include <iomanip> |
using namespace std; |
int main(){ |
cout<< "n" << " " << "e" <<endl; |
cout<< "-" << " " << "-----------" <<endl; |
double m, n; |
m = 0; |
n = 1; |
m = 1; |
cout<<0<< " " <<1<<endl; |
for ( int i = 1; i < 10; i++){ |
n = 1; |
for ( int j = i ; j > 0; j--){ |
n = j * n; |
} |
m = m + 1 / n; |
if (i < 3){ |
cout<<i<< " " <<setprecision(10)<<m<<endl; |
} else { |
cout<<i<< " " <<fixed<<setprecision(9)<<m<<endl; |
} |
} |
} |