#include <iostream>
#include <cstring>
#include <cstdlib>
#include "ctime"

using namespace std;

typedef char word;
typedef char* s_word;

const word *outword(int in_number, word const *in_Im_ed, word const *in_Rod_ed, word const *in_Rod_mn);

int main() {
    srand(time(NULL));
    setlocale(0, "");

    double volime_grad = rand() % 90 + 1;
    double abc = 180 - 2 * volime_grad;

    size_t select = rand() % 4;

    word *danoe = new word[3];
    word *seach = new word[3];

    switch (select)
    {
        case 0:
            strcpy(danoe, "BAC");
        break;

        case 1:
            strcpy(danoe, "DAC");
        break;

        case 2:
            strcpy(danoe, "BCA");
        break;

        case 3:
            strcpy(danoe, "ACD");
        break;
    }

    select = rand() % 2;

    switch (select)
    {
    case 0:
        strcpy(seach, "ABC");
        break;

    case 1:
        strcpy(seach, "ADC");
        break;
    }

    cout << "Задание:" << endl;
    cout << "В ромбе ABCD угол " << danoe << " равен " << volime_grad << " " << outword(volime_grad, "градус", "градуса", "градусов") << ". Найдите угол " << seach << "." << endl;
    cout << "Ответ дайте в градусах." << endl;
    cout << "Ответ:" << endl;
    cout << abc << endl;

    return 0;
}

const word *outword(int in_number, word const *in_Im_ed, word const *in_Rod_ed, word const *in_Rod_mn)
{
    int goabs = abs(in_number);
    int if100 = goabs % 100;
    int snumber = goabs % 10;

    switch (snumber)
    {
        case 0:
            return in_Rod_mn;

        case 1:
        {
            if (if100 == 11)
                return in_Rod_mn;
            return in_Im_ed;
        }

        case 2:
        case 3:
        case 4:
        {
            if ((if100 >= 12) && (if100 <= 14))
                return in_Rod_mn;
            return in_Rod_ed;
        }

        case 5:
        case 6:
        case 7:
        case 8:
        case 9:
            return in_Rod_mn;
    }
}