https://leetcode.com/problems/maximum-number-of-fish-in-a-grid
Type: Classic
[[0,2,1,0],[4,0,0,3],[1,0,0,4],[0,3,2,0]]
[[1,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,1]]
7
1
https://leetcode.com/problems/maximum-number-of-fish-in-a-grid
Type: Classic
[[0,2,1,0],[4,0,0,3],[1,0,0,4],[0,3,2,0]]
[[1,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,1]]
7
1