Danny_Test4

// Danny_Test4.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
auto setcolor(unsigned short , unsigned short &) -> void;
auto generate_numbers(int **, size_t const &) -> void;
auto happy_numbers(int **, size_t const) -> void;

int main()
{
    size_t choice, array_size;

    int **lottery = nullptr;
    unsigned short val;

    do {
        system("cls");
        setcolor(15, val);
        cout << "Menu: \n\n";
        cout << "[1] Generate numbers\n";
        cout << "[2] Happy numbers\n\n";
        cout << "[0] Exit\n";

        do {
            cout << "\nYour choice: ";
            cin >> choice;
        } while (choice < 0 || choice > 9 || !cin);

        switch (choice) {
            case 1:
                system("cls");

                do {
                    cout << "Enter size of lottery numbers: ";
                    cin >> array_size;
                } while (!cin || array_size < 50 || array_size > 100);

                lottery = new int*[array_size];

                for (size_t i = 0; i < array_size; i++)
                    lottery[i] = new int[6];

                generate_numbers(lottery, array_size);

                cout << "\n\nPress any key to get back to the menu...";
                _getch();
                break;
            case 2:
                system("cls");

                if (lottery == nullptr) {
                    cout << "First input the array!";

                    cout << "\n\nPress any key to get back to the menu...";
                    _getch();
                    break;
                }

                happy_numbers(lottery, array_size);

                cout << "\n\nPress any key to get back to the menu...";
                _getch();
                break;
        }
    } while (choice != 0);

    return 0;
}

auto generate_numbers(int **array, size_t const &array_size) -> void {

    random_device rd;
    mt19937 gen(rd());
    uniform_int_distribution<> dist(0, 9);

    unsigned short val;

    auto setTimeout([=](size_t ms) { Sleep(ms); });

    cout << endl;

    for (size_t i = 0; i < array_size; i++)
        for (size_t j = 0; j < 6; j++)
            array[i][j] = dist(gen);

    for (size_t i = 0; i < array_size; i++) {
        cout << setw(5) << "[" << i << "] ";

        for (size_t j = 0; j < 6; j++)
            cout <<  array[i][j];

        setcolor(i, val);

        if (i % 4 == 0)
            cout << endl;

        setTimeout(250);
    }
}

auto happy_numbers(int **array, size_t const array_size) -> void {
    size_t counter = 0;
    unsigned short val;

    auto setTimeout([=](size_t ms) { Sleep(ms); });

    for (size_t i = 0; i < array_size; i++) {

    int sum1(0), sum2(0);
        setcolor(i, val);

        for (size_t j = 0; j < 6; j++)
            if (j > 2)
                sum1 += array[i][j];
            else
                sum2 += array[i][j];

        if (sum1 == sum2) {
            counter++;
            cout << "\n\nThe number ";

            for (size_t j = 0; j < 6; j++)
                cout << array[i][j];

            cout << " is a happy number!\n";

            cout << "The sum of the first three numbers is " << sum2 << " and the sum of the last three numbers is " << sum1;
        }

        setTimeout(250);
    }
    setcolor(15, val);

    if (counter > 0)
        cout << "\n\nThere are " << counter << " happy numbers!";
    else
        cout << "There are no happy numbers!";
}

auto sets(int **array, size_t const array_size) {
    unsigned short val;

    auto setTimeout([=](size_t ms) { Sleep(ms); });

    size_t counter1(0), counter2(0);

    for (size_t i = 0; i < array_size; i++) {
        string number;

        for (size_t j = 0; j < 6; j++)
            number += array[i][j];


        if (stoi(number) % 2 == 0)
            counter1++;
        else if (stoi(number) % 4 == 0)
            counter2++;
    }

}

auto setcolor(unsigned short color, unsigned short &predishen) -> void       // функция за задаване на цвят чрез число и допълнителна променлива за проверка
{
    random_device rd;                               // Сийдър за генератора
    mt19937 gen(rd());                              // Генератор на случайни числа
    uniform_int_distribution<> dist(9, 15);         // Генериране на случайни числа в зададен интервал

    if (color < 9 || color > 15) {                  // Избира само ярки цветове
        color = dist(gen);                          // Цвета става случайно число в интервала от 9 до 15 включително

        while (color == predishen) {                // проверяваме предишният цвят дали съвпада с текущият
            color = dist(gen);                      // Ако съвпада, го генерираме наново, докато стане различен
        }
    }

    predishen = color;                              // текущият цвят става предишен и продължаваме напред

    HANDLE hcon = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleTextAttribute(hcon, color);
}