模仿opencv数组双下标访问

#include
using namespace std;
class Map
{
private:
int row;
int col;
int**p=nullptr;
public:
Map(int row, int col,int n)
{
this->col = col;
this->row = row;
p = new int *[row];
for (int i = 0; i < row; i++)
{
p[i] = new int[col];
for (int j = 0; j < col; j++)
p[i][j] = n;
}
cout << “success” << endl;
}
~Map()
{
if (p != nullptr)
{
delete[]p[0];
delete[]p;
cout << “空间释放了” << endl;
}
else
{
cout << “释放过了” << endl;
}
}
int operator()(int a,int b)
{
return p[a][b];
}
void release()
{
if (p != nullptr)
{
delete[]p[0];
delete[]p;
cout << “空间释放了” << endl;
}
else
{
cout << “释放过了” << endl;
}
cout << “释放结束” << endl;
}
};
void main()
{
Map *map = new Map(2,3,666);
cout << (*map)(1, 1) << endl;
delete map;
Map map1(5, 8, 111);
cout << map1(2, 6) << endl;
//map1.release();
cout << “11111”<< endl;
}

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