Files1

#include <iostream>
#include <fstream>
#include <string>

using namespace std;

const int MAX_SIZE = 100;

int takeNum(int Min, int Max) {
    const string error = "Проверьте корректность введнных данных!\n";
    bool isIncorrect;
    int num;
    do {
        isIncorrect = false;
        cin >> num;
        if (cin.fail()) {
            isIncorrect = true;
            cout << error;
            cin.clear();
            while (cin.get() != '\n');
        }
        if (!isIncorrect && cin.get() != '\n') {
            cin.clear();
            while (cin.get() != '\n');
            cout << error;
            isIncorrect = true;
        }
        if (!isIncorrect && (num < Min || num > Max)) {
            isIncorrect = true;
            cout << error;
        }
    } while (isIncorrect);
    return num;
}

string wayToFile() {
    fstream checkFile;
    string way;
    bool isIncorrect;
    do {
        isIncorrect = false;
        cout << "Введите путь к файлу: ";
        cin >> way;
        checkFile.open(way);
        if (!checkFile.is_open()) {
            cout << "Проверьте правильность и нахождение вашего файла по заданному пути\n";
            isIncorrect = true;
        }
        else {
            isIncorrect = false;
        }
        checkFile.close();
    } while (isIncorrect);
    return way;
}

void readNumInFile(int arr[], int& size) {
    fstream file;
    int num;
    string fileName = wayToFile();
    file.open(fileName);
    if (!file.bad()) {
        while (file >> num && size < MAX_SIZE)
            arr[size++] = num;
    }
    file.close();
}

void sortElements(int arr[], int size_f) {
    int even_numbers[MAX_SIZE], odd_numbers[MAX_SIZE];
    int size_even = 0, size_odd = 0;
    for (int i = 0; i < size_f; ++i) {
        if (arr[i] % 2 == 0) {
            even_numbers[size_even++] = arr[i];
        }
        else {
            odd_numbers[size_odd++] = arr[i];
        }
    }
    int i = 0, index_even = 0, index_odd = 0;
    while (i < size_f) {
        for (int count = 0; count < 2 && index_even < size_even; ++count) {
            arr[i++] = even_numbers[index_even++];
        }
        for (int count = 0; count < 2 && index_odd < size_odd; ++count) {
            arr[i++] = odd_numbers[index_odd++];
        }
    }
}

void writeNumInFile(int arr[], int size) {
    string fileName = "g.txt";
    ofstream file(fileName);
    for (int i = 0; i < size; ++i) {
        file << arr[i] << " ";
    }
    cout << "Файл успешно создан!";
    file.close();
}

int main() {
    setlocale(LC_ALL, "Russian");
    int arr[MAX_SIZE];
    int size_f = 0;
    readNumInFile(arr, size_f);
    sortElements(arr, size_f);
    writeNumInFile(arr, size_f);
}