lab2

#include<iostream>
#include<cstdlib>
#include<Windows.h>

using namespace std;

int main() {
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
    setlocale(LC_ALL, "Russian");
    const int num_length = 4;

    char* numStr = new char[num_length + 1];
    int num = 0;

    srand(time(0));

    int i = 0;

    while (i != num_length) {
        int rnum = rand() % 10;

        if (rnum == 0 && i == 0) {
            continue;
        }

        num = num * 10 + rnum;
        i++;
    }
    snprintf(numStr, num_length + 1, "%d", num);

    char* userNumStr = new char[1];
    char* eptr = new char[1];
    *eptr = '0';
    int userNum;

    int bulls = 0;
    int cows = 0;

    while (bulls != num_length) {
        while (*eptr != '\0' || strlen(userNumStr) != 4) {
            userNumStr = new char[10];
            cout << "Введите число: ";
            cin >> userNumStr;
            userNum = strtol(userNumStr, &eptr, 10);
        }
        *eptr = '0';


        bulls = 0;
        cows = 0;
        char* fn = new char[num_length + 1];
        for (int i = 0; i < num_length + 1; i++) {
            fn[i] = '\0';
        }
        int fni = 0;

        for (int i = 0; i < num_length; i++) {
            if (numStr[i] == userNumStr[i]) {
                bulls++;
            }
            else {
                fn[fni++] = numStr[i];
            }
        }

        for (int i = 0; i < num_length; i++) {
            if (fn[i] != '\0') {
                for (int j = 0; j < num_length; j++) {
                    if (fn[i] == userNumStr[j]) {
                        cows++;
                        break;
                    }
                }
            }
        }

        cout << "Количество быков: " << bulls << endl;
        cout << "Количество коров: " << cows << endl << endl;
    }


    cout << endl;
    cout << "Ты победил!" << endl;
    cout << "Число действительно равно " << num << endl;

    return 0;
}