#include <iostream>
#include <cmath>
#include <conio.h>
#include <iomanip>

using namespace std;

void display(int a, int b, char c)
{
    string pom,pom2;
    float wynik;
    cout << " _______x______________y_______\n";
    cout << "|               |              |\n";

    for (int i=a; i<=b; i++)
    {
        if (c=='a') wynik = sqrt(i);
        else if (c=='b') wynik = (1/(float)i);
        if(i<10) pom = "  ";
        else if (i<100) pom = " ";
        else pom = "";
        if(wynik<10) pom2 = "  ";
        else if (wynik<100) pom2 = " ";
        else pom2 = "";
        cout << "|      "<< i << pom <<"      |"<< pom2<<"  "<< fixed <<setprecision(5) << wynik<<"   |\n";
    }
    cout << "|_______________|______________|\n";

}
char menu()
{

    char a;
    cout << " ______________________________\n";
    cout << "|                              |\n";
    cout << "|   Wybierz rodzaj dzialania   |\n";
    cout << "|______________________________|\n";
    cout << "|               |              |\n";
    cout << "|  a) y=sqrt(x) |   b) y=1/x   |\n";
    cout << "|_______________|______________|\n";
    a=getch();
    return a;
}

int main()
{
    int a,b;
    char men = menu();
    cout << "Podaj poczatek i koniec predzialu  <a,b>: ";


    cin >> a >> b;
    if ((men=='a') or (men=='b')) display(a,b,men);
    return 0;
}