#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
int i;
cout<<"n e"<< endl;
cout<<"- -----------"<< endl;
cout<<"0 1"<<endl;
cout<< "1 2"<<endl;
cout<< "2 2.5" << endl;
double s = 1;
double t = 1;
for (i = 1; i <= 1000; i++)
{
t = 1.0 / i*t;
s += t;
if (i < 3) continue;
cout << i << " ";
cout << setprecision(9) << fixed << s << endl;
}
return 0;
}
杭电OJ1012
最新推荐文章于 2022-10-29 15:48:58 发布