#include "pch.h"
#include <iostream>
#include <math.h>
#include <iomanip>
using namespace std;

typedef double(*uf)(double *, int *);

void tabl(double*, double*, double*, int*, uf);
double y(double *, int *);

int main()
{
	double a = 0.55, b = 1.4, h = (b - a) / 10; int n = 15;
	cout << setw(8) << "x" << setw(15) << "y(x,n)" << endl;
	tabl(&a, &b, &h, &n, y);
	return 0;
}

void tabl(double *a, double *b, double *h, int *n, uf fun)
{
	double sum;
	for (double x = *a; x < *b + *h / 2; x += *h)
	{
		sum = fun(&x, n);
		cout << setw(8) << x << setw(15) << sum << endl;
	}
}

double y(double *x, int *n)
{
	double sum = 0, b = *n + 1 / 2;
	for (int i = 1; i < b; i++)
		sum += pow(sin(i), 2) - 3 * exp(*x*i);
	return sum;
}