Игра: Быки и Коровы

#include <iostream>
#include <conio.h>
#include <cstdlib>
#include <ctime>
 
using namespace std;
 
int main() {
    setlocale(0, "");
    system("cls");
    system("color 0E");
 
 
    int number_computer, number_player;
    int one_computer, two_computer, three_computer, four_computer, one_player, two_player, three_player, four_player;
    int bulls, cow;
 
    do {
        srand(time(0));
        number_computer = 1234; //(rand() % 9000 + 1000);
 
        one_computer = number_computer / 1000;
        two_computer = (number_computer % 1000) / 100;
        three_computer = (number_computer % 100) / 10;
        four_computer = (number_computer % 1000) % 10;
    } while (one_computer == 0 || one_computer == two_computer || one_computer == three_computer || one_computer == four_computer || two_computer == three_computer || two_computer == four_computer || three_computer == four_computer);
 
 
 
    do {
        cout << "                                  БЫКИ И КОРОВЫ\n\n";
        cout << "Введите число: ";
        cin >> number_player;
 
        one_player = number_player / 1000;
        two_player = (number_player % 1000) / 100;
        three_player = (number_player % 100) / 10;
        four_player = (number_player % 1000) % 10;
 
        bulls = 0;
        cow = 0;
 
        if (one_player == one_computer) bulls += 1; else if (one_player == two_computer || one_player == three_computer || one_player == four_computer) cow += 1;
        if (two_player == two_computer) bulls += 1; else if (two_player == one_computer || two_player == three_computer || two_player == four_computer) cow += 1;
        if (three_player == three_computer) bulls += 1; else if (three_player == one_computer || three_player == two_computer || three_player == four_computer) cow += 1;
        if (four_player == four_computer) bulls += 1; else if (four_player == one_computer || four_player == two_computer || four_player == three_computer) cow += 1;
 
        cout << "Быков: " << bulls << endl;
        cout << "Коров: " << cow << endl;
    } while (number_computer != number_player);
 
    _getch();
    return 0;
}

        if (one_player == one_computer) bulls += 1; else if ((one_player == two_computer&&two_player != two_computer) || (one_player == three_computer&&three_player != three_computer) || (one_player == four_computer&&four_player != four_computer)) cow += 1;
        if (two_player == two_computer) bulls += 1; else if ((two_player == one_computer&&one_player != one_computer) || (two_player == three_computer&&three_player != three_computer) || (two_player == four_computer&&four_player != four_computer)) cow += 1;
        if (three_player == three_computer) bulls += 1; else if ((three_player == one_computer&&one_player != one_computer) || (three_player == two_computer&&two_player != two_computer) || (three_player == four_computer&&four_player != four_computer)) cow += 1;
        if (four_player == four_computer) bulls += 1; else if ((four_player == one_computer&&one_player != one_computer) || (four_player == two_computer&&two_player != two_computer) || (four_player == three_computer&&three_player != three_computer)) cow += 1;