Leetcode Problem 1254. Number of Closed Islands
Leetcode Solutions
Depth First Search (DFS) to Find Closed Islands
- Initialize a count variable to 0 to keep track of closed islands.
- Create a visited 2D array to mark visited cells.
- Iterate over each cell in the grid. a. If the cell is a land cell (0) and not visited, perform DFS from this cell. b. If DFS returns true (island is closed), increment the count.
- Return the count of closed islands.
Breadth First Search (BFS) to Find Closed Islands
Ask Question
Programming Language
Purpose:
image/screenshot of info(optional)
Full Screen
Loading...
Suggested Answer
Answer
Full Screen
Copy Answer Code
Loading...
OR