x/1! + x^2/2 !+ x^3/3! + .. + x^n/n!

Question

کسی میتونه این سوالو برنامشو به زبانc++بنویسه؟

Answer 1

#include <iostream>
using namespace std;


double get_sum(int n, double x)
{
    double sum = 0;
    for (int i = 0; i <= n; i++)
    {
        double factorial = 1;
        for (int j = 1; j <= i; j++)
        {
            factorial *= j;
        }
        sum += pow(x, i) / factorial;
    }
    return sum;
}