4-2-6 series.cpp

来自「This is solution code c++ in class lesso」· C++ 代码 · 共 19 行

#include<iostream>
using namespace std;
int main()
{
    int n;
    double result = 0;
    cout << "Enter a number:";
    cin >> n;
    for(int i=1;i<=n;++i)
    {
            result = result + (double) 1 / i;
    }
    cout << "S(" << n<< ") = " << result << endl;
    system("pause");
    return 0;
    
    
}