gaylor

#include "stdafx.h"
#include <iostream>
#include <iomanip>
#include <cmath>
#include "stdio.h"
using namespace std;
int main()
{
	float xn, xk, dx, e, s, sum, x;
	int n, flag;
	printf ("Vvedite xn, xk, dx: ");
	scanf_s ("%f%f%f%f",&xn,&xk,&dx,&e);
	printf ( "-------------------------------------------------\n");
	printf ( "|     x    |      f     |    exp(-x)    |   n    |\n");
	printf ( "-------------------------------------------------\n");

	for (x = xn; x <= xk; x += dx)
	{
		n = 1;
		sum = 1;
		s = -x;
		sum += s;
		while (fabs(s)>e)
		{
			s *= -x/(n+1);
			sum += s;
			n++;
		}
			printf(" %8.5f  | %8.5f   | %8.5f   |  %3d   \n", x, sum, exp(-x), n);
	}
	printf ("------------------------------------------------\n");
	system("pause");
	return 0;
}