C++ DFS BFS貪婪三法解Leetcode農地問題1992 Find All Groups of Farmland

C++ DFS BFS貪婪三法解Leetcode農地問題1992  Find All Groups of Farmland

採用三種方式解題，一是DFS, 二是BFS，前兩法都很標準。農地因為都是矩形，第三法採貪婪演算找出矩形右下角，簡單又快速。

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C++ DFS, BFS & greedy three methods to solve Leetcode farmland problem 1992 Find All Groups of Farmland

Three methods are used to solve the problem, one is DFS, and the other is BFS. The first two methods are very standard. Since farmland is all rectangular, the third method uses greedy calculation to find the right-bottom corner of the rectangle, which is simple and fast.

[codes on Leetcode]https://leetcode.com/problems/find-all-groups-of-farmland/solutions/5047793/dfs-bfs-vs-find-rectangle-corner-74ms-beats-99-64/

[Tree & Graph Playlist]https://www.youtube.com/watch?v=9Lx7yr-tmfI&list=PLYRlUBnWnd5Kt0-3un43cwY6yT_il8NWe

[Leetcode程式 playlist]https://www.youtube.com/watch?v=527BNZYm6aE&list=PLYRlUBnWnd5IdDHk2BjqXwesydU17z_xk&index=3