#include <iostream>
#include <cmath>

using namespace std;

int main()
{
    double Xk, D, wynik;
    double lambda = 0.00000066;
    /*int i = 1;
    while (true) {
        cout << "X" << i << ": ";
        cin >> Xk;
        cout << "D: ";
        cin >> D;
        cout << "k" << i << ": ";
        cin >> k;

        wynik = ((sqrt((Xk * Xk) + (D * D))) * k * lambda) / Xk;
        cout << "wynik d: " << wynik << endl << endl;
        i++;
    }*/

    cout << "D - odleglosc siatki od kartki papieru" << endl;
    cout << "Xk - odleglosc k-tych punktów od siebie zaznaczonych na kartce" << endl;
    cout << "k - numer liczonego punktu" << endl << endl;

    D = 57.0;
    cout << "D: " << D << " cm" << endl << endl;
    for (int i = 1; i <= 4; i++) {
        switch (i) {
        case 1: Xk = 6.0 / 2;
            break;
        case 2: Xk = 11.9 / 2;
            break;
        case 3: Xk = 18.0 / 2;
            break;
        case 4: Xk = 24.2 / 2;
            break;
        default: Xk = 0;
            break;
        }
        wynik = (((sqrt((Xk * Xk) + (D * D))) * i) / Xk)  * lambda;
        cout << "k: " << i << endl;
        cout << "Xk: " << Xk << " cm" << endl;
        cout << "wynik d: " << wynik << " m" << endl << endl;
    }

    cout << endl << endl << endl << endl;

    D = 35.0;
    cout << "D: " << D << " cm" << endl << endl;
    for (int i = 1; i <= 7; i++) {
        switch (i) {
        case 1: Xk = 3.8 / 2;
            break;
        case 2: Xk = 7.6 / 2;
            break;
        case 3: Xk = 11.4 / 2;
            break;
        case 4: Xk = 15.4 / 2;
            break;
        case 5: Xk = 19.5 / 2;
            break;
        case 6: Xk = 23.8 / 2;
            break;
        case 7: Xk = 28.3 / 2;
            break;
        default: Xk = 0;
            break;
        }
        wynik = (((sqrt((Xk * Xk) + (D * D))) * i) / Xk)  * lambda;
        cout << "k: " << i << endl;
        cout << "Xk: " << Xk << " cm" << endl;
        cout << "wynik d: " << wynik << " m" << endl << endl;
    }

    cout << endl << endl << endl << endl;

    D = 16.0;
    cout << "D: " << D << " cm" << endl << endl;
    for (int i = 1; i <= 13; i++) {
        switch (i) {
        case 1: Xk =1.7 / 2;
            break;
        case 2: Xk = 3.3 / 2;
            break;
        case 3: Xk = 4.9 / 2;
            break;
        case 4: Xk = 6.5 / 2;
            break;
        case 5: Xk = 8.2 / 2;
            break;
        case 6: Xk = 10.0 / 2;
            break;
        case 7: Xk = 11.9 / 2;
            break;
        case 8: Xk = 13.9 / 2;
            break;
        case 9: Xk = 16.1 / 2;
            break;
        case 10: Xk =18.5 / 2;
            break;
        case 11: Xk = 21.1 / 2;
            break;
        case 12: Xk = 24.1 / 2;
            break;
        case 13: Xk = 27.8 / 2;
            break;
        default: Xk = 0;
            break;
        }
        wynik = (((sqrt((Xk * Xk) + (D * D)))) / Xk) * i * lambda;
        cout << "k: " << i << endl;
        cout << "Xk: " << Xk << " cm" << endl;
        cout << "wynik d: " << wynik << " m" << endl << endl;
    }

    return 0;
}