#include "pch.h"
#include <iostream>
#include <math.h>
#include <windows.h>
#include <conio.h>
using namespace std;
void tabulation(float, float, float);
float func(float);
void output(float , float);

int main()
{
    float a, b, h;

    cout << "Vvedit` a =\t";
    cin >> a;
    cout << "Vvedit` b =\t";
    cin >> b;
    cout << "Vvedit` h =\t";
    cin >> h;

    tabulation(a, b, h);

    return 0;
}

void tabulation(float a, float b, float h) {
    float y, p;

    if (a >= b) {
        p = a;
        a = b;
        b = p;
    }


    while (a <= b) {
        y = func(a);
        output(a, y);
        a += h;
    }
}

float func(float a) {
    return sqrt(a + 2) - sqrt(a + 3);
}

void output(float a, float b) {
    cout << "x = " << a << "\t\t" << "y = " << b << endl;
}