Мяу

#include "funcs.h"

int main()
{
    //SetConsoleCP(1251); SetConsoleOutputCP(1251);
    system("chcp 1251 > nul");
    //setlocale(LC_ALL, "Russian");

    unsigned char line1;
    //char line;
    unsigned char l;
    unsigned int sum = 0;
    int i = 0;
    int A[256][256];
    for (int i = 0; i < 256; i++)
    {
        for (int j = 0; j < 256; j++)
        {
            A[i][j] = 0;
        }
    }
                                                     //   (    чтение    )
    ifstream fin("key1.txt", ios::in | ios::binary);
    if (!fin)                                        // cotrol
    {
        cout << "Error of file opening." << endl;
        return 1;
    }
    l = '.';
    bool fl = true;
    int kol = 0; // длина массива ключей
    while (fin.get((char&)line1))         /// кол-во слов
    {
        //line1 = fin.get();
        if((l != ' ') && ((line1 == ' ') || (line1 == ' ')))
            {
                kol++;
            }
        l = line1;
    }
    //if ((line1 != ' ') && (line1 != '\n')) { kol++; }
    fl = false;
    unsigned char* key = new unsigned char[kol];
    fin.clear();
    fin.seekg(0);
    unsigned char t;
    while (fin.get((char&)line1))         /// массив ключей
    {
        //line1 = fin.get();
        if ((line1 == ' ') || (line1 == '\n'))
        {
            fl = true;
        }
        else
        {
            if (fl)
            {    t = sum % 256;
                key[i] = t;
                sum = 0;
                i++;
            }
            sum = sum + line1;
            fl = false;
        }
    }
    //sum = sum - line1;
    //key[i] = sum % 256;
                       // массив заполнен юху-у-у-у!

    fin.close();

    ifstream text("text.txt", ios::in | std::ios::binary);
    if (!text.is_open())                     // cotrol
    {
        cout << "Error of file opening." << endl;
        return 1;
    }
    ofstream crypt("crypt.txt", ios::out | std:: ios::binary);
    if (!crypt.is_open())                     // cotrol
    {
        cout << "Error of file opening." << endl;
        return 1;
    }
    i = 0;                                     //   запись кодирование
    unsigned char cEOF = (unsigned char)(EOF);
    while (text.get((char&)line1))
    {
        //line1 = text.get();
        cout << line1;
        /*if (line1 == cEOF)
        {
            break;
        }*/
        l = (unsigned char)((int)(line1) ^ key[i]);
        A[( unsigned char)(line1)][(unsigned char)(line1) ^ key[i]]++;
        crypt << l;
        i++;
        if (i == kol-1) { i = 0; }
    }


    crypt.close();
    text.close();
    ////// декодирование
    ifstream code("crypt.txt", ios::in | std::ios::binary);
    if (!code.is_open())                     // cotrol
    {
        cout << "Error of file opening code." << endl;
        return 1;
    }
    ofstream decode("decode.txt", ios::out | std::ios::binary);
    if (!decode.is_open())                     // cotrol
    {
        cout << "Error of file opening decode." << endl;
        return 1;
    }
    cout << endl;
    cout << endl;
    i = 0;                                     //   запись декодирование

    while (code.get((char&)(line1)))
    {
        l = (unsigned char)((int)(line1) ^ key[i]);
        //cout << l;
        decode << l;
        i++;
        if (i == kol - 1) { i = 0; }
    }
    cout<<endl;
    decode.close();
    code.close();

    // statistic
    st(A);
    return 0;
}