#include <iostream>
using namespace std;
int main()
{
cout << "n e" << endl;
cout << "- -----------" << endl;
double sum = 1.0;
cout << 0 << " " << 1 << endl;
for (int i = 1; i <= 9; i++)
{
int mul = 1;
for (int j = i; j > 0; j--)
mul *= j;
sum += 1 / (double)mul;
cout << i << " ";
if (i<=2)
cout << sum<< endl;
else
{
printf("%.9f\n", sum);
}
}
return 0;
}
杭电OJ 1012 u Calculate e
最新推荐文章于 2022-10-29 15:48:58 发布