void generateMap(size_t w, size_t h, ofstream& sv_file) {
    sv_file << h << " " << w << endl;

    for (size_t r = 0; r < h; r++) {
        for (size_t c = 0; c < w; c++) {
            int type = random(10);

            if (type == 2) sv_file << "b";
            else if (type == 6) sv_file << "#";
            else if (type == 8) sv_file << "a";
            else sv_file << " ";
        }
        sv_file << endl;
    }

}