1,2,1,0,0,0,0,0,2,3
3,0,2,0,1,2,1,0,1,2
4,0,1,0,1,2,3,2,0,1
3,2,0,0,0,1,2,4,0,0
0,0,0,0,0,0,1,5,3,0
0,1,2,1,0,1,5,4,3,0
0,1,2,3,1,3,6,2,1,0
0,0,3,4,8,9,7,5,0,0
0,0,0,3,7,8,6,0,1,2
0,0,0,0,0,0,0,0,1,0
在这张二维地图中,数字代表海拔,0代表大海,求某一个点(比如1,1)所在岛屿的面积
1 1
9