int **GetMatrixFile(const char filename[], const int strings, const int columns)
{
    FILE *file;
    int **matrix;

    fopen_s(&file, filename, "r");

    if (file != NULL)
    {
        printf("Матрица %c(%d x %d):n",
            filename[0], strings, columns);

        matrix = (int**)malloc(strings * sizeof(int*));
        if (matrix != NULL)
        {
            for (int i = 0; i < strings; ++i)
            {
                printf("|");

                matrix[i] = (int*)malloc(columns * sizeof(int));
                if (matrix[i] != NULL)
                {
                    for (int j = 0; j < columns; ++j)
                    {
                        fscanf_s(file, "%d", &matrix[i][j]);
                        printf("%3d ", matrix[i][j]);
                    }
                }
                else exit(EXIT_FAILURE);

                printf("|n");
            }
        }
        else exit(EXIT_FAILURE);
        fclose(file);
    }
    else exit(EXIT_FAILURE);

    return matrix;
}