BORSCHT_Vernam cipher

//link https://yadi.sk/d/TGDExdSbp1nICQ
#include <QCoreApplication>
#include <fstream>
#include <iostream>
#include <math.h>

using namespace std;

int symbcount(int y) { //подсчет символов для задания массива
    ifstream one("text.txt"), two("gamma.txt");
    int x = -1;
    if (y == 1 && !one.is_open())
        x = -2;
    else if (y == 2 && !one.is_open())
        x = -2;
    if (x != -2 && y == 1)
        while (!one.eof())
        {
            one.get();
            x++;
        }
    else
        if (x != -2 && y == 2)
            while (!two.eof())
            {
                two.get();
                x++;
            }
    one.close();
    two.close();
    return x;
}

void getsymb(char** buffer1, char* buffer2, int y1, int y2) { //запись символов из файлов в массивы
    ifstream one;
    one.open("text.txt");
    char c;
    cout << "Text: " << endl << "==================================================" << endl << endl;
    for (int i1 = 0; i1 < y1; i1++)
    {
        c = one.get();
        if (c >= 65 && c <= 90)
            buffer1[i1][0] = c + 32;
        else
            buffer1[i1][0] = c;
        cout << buffer1[i1][0];
    }
    cout << endl << endl << "==================================================" << endl << endl;
    one.close();

    ifstream two;
    two.open("gamma.txt");
    cout << "Key: " << endl << "==================================================" << endl << endl;
    for (int i1 = 0; i1 < y2; i1++)
    {
        c = two.get();
        if (c >= 65 && c <= 90)
            buffer2[i1] = c + 32;
        else
            buffer2[i1] = c;
        cout << buffer2[i1];
    }
    cout << endl << endl << "==================================================" << endl << endl;
    two.close();
}

void addchar(char** buffer1, char* buffer2, int y1, int y2) { //добавление символов в двумерный массив (символов ключа)
    int j1 = -1;
    for (int k = 0; k < y1; k++)
    {

        if (buffer1[k][0] >= 97 && buffer1[k][0] <= 122) {
            j1++;
            if (j1 > y2 - 1)
                j1 = 0;
            buffer1[k][1] = buffer2[j1];
        }
        else
            buffer1[k][1] = '0';
    }
}

void outshifr(char** buffer1, char* buffer2, int y) //вывод зашифрованного текста
{
    ofstream out("C:\\lab6\\shifr.txt");
    cout << "Ciphertext: " << endl << "==================================================" << endl << endl;
    for (int k = 0; k < y; k++) {
        if (buffer1[k][0] >= 97 && buffer1[k][0] <= 122)
            buffer2[k] = buffer1[k][0] + (buffer1[k][1]) % 26;
        else
            buffer2[k] = buffer1[k][0];
        out << buffer2[k];
        cout << buffer2[k];
    }
    cout << endl << endl << "==================================================" << endl << endl;
}

void outunshifr(char** buffer1, char* buffer2, int y) { //вывод расшифрованного текста
    char c;
    ofstream out("C:\\lab6\\unshifr.txt");
    cout << "Deciphered text: " << endl << "==================================================" << endl << endl;
    for (int k = 0; k < y; k++) {
        if (buffer2[k] != 32 && buffer2[k] != 10)
            c = buffer2[k] - (buffer1[k][1]) % 26;
        else
            c = buffer2[k];
        out << c;
        cout << c;
    }
    cout << endl << endl << "==================================================" << endl << endl;
}


int main(int argc, char* argv[])
{
    char** buffer1;
    char* buffer2;
    char* buffer3;

    int x = 0, i, j;
    bool chiph = false;
    cout << "Enter the '1' to ENCRYPT text or '2' to DECIPHER" << endl << endl;
    while (1) {
        cout << "Enter here the number: ";
        cin >> x;
        cout << endl << endl;

        if (x == 1) {
            i = symbcount(1);
            j = symbcount(2);
            if (i == -2 || j == -2)
                cout << "One or more files are empty or do not exist" << endl;
            else {

                buffer1 = new char* [i];
                for (int p = 0; p < i; p++)
                    buffer1[p] = new char[1];
                buffer2 = new char[j];
                buffer3 = new char[i];

                getsymb(buffer1, buffer2, i, j);
                addchar(buffer1, buffer2, i, j);
                outshifr(buffer1, buffer3, i);
                chiph = true;
            }
        }
        else if (x == 2 && chiph == true)
            outunshifr(buffer1, buffer3, i);
        else if (x == 2 && chiph == false)
            cout << "First you need to encrypt the files" << endl;
        else
            cout << "If you want to encrypt new data, enter '1'" << endl;
    }

    delete buffer1, buffer2, buffer3;
}