宅宅情侶的成長日記

最近剛學C++ 常常會用到陣列記憶體配置 先新增Row 再new Column就對了 其實還蠻方便、直觀的

#include <iostream>
int main()
{
    int height, width;
    int **arr;
    std::cin >> height >> width;
    arr = new int*[height];
    for (int i = 0 ; i < height ; i++)
        arr[i] = new int [width];
    for (int i = 0 ; i < height ; i++)
    {
        for (int j = 0 ; j < width ; j++)
       {
            arr[i][j] = i + 2;
            std::cout << arr[i][j] << " ";
       }
       std::cout << std::endl;
    }

return 0;
}

刪除也是一樣的概念囉~

for (int i = 0 ; i < height ; i++)
    delete [] arr[i];
delete [] arr;