Matrix in out

void inputMatrix(std::vector<std::vector<float>>& matrix, int height, int width) {
    matrix.resize(height);
    for (int co = 0; co < height; ++co) {
        matrix[co].resize(width);
        for (int cou = 0; cou < width; ++cou) {
            cin >> matrix[co][cou];
        }
    }
}

void outputMatrix(const std::vector<std::vector<float>>& matrix) {
    int height = matrix.size();
    if (height == 0) return;
    int width = matrix[0].size();
    cout << '\n';
    for (int co = 0; co < height; ++co) {
        for (int cou = 0; cou < width; ++cou) {
            cout << matrix[co][cou] << " ";
        }
        cout << '\n';
    }
}