//在c++中通过构造来实现类对象的创建，通过析构来实现类对象的死亡    CMyClass mc(1);//类对象的创建    CMyClass *pmc = new CMyClass(2); //动态类对象的创建    delete pmc;//动态类对象的释放

int row, col;    scanf("%d%d", &row, &col);    //动态二维数组    int **p = new int *[row];    for (int i = 0; i < row; i++)        *(p + i) = new int[col];    for (int i = 0; i < row; i++)    {        for (int j = 0; j < col; j++)        {            *(*(p + i) + j) = i*col + j + 1; //随便赋的值        }    }    for (int i = 0; i < row; ++i)    {        delete[] * (p + i);//删除底层指针    }    delete[] p; //删除上层指针