Number of Islands

Number of Islands - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 1. BFS from collections import deque from typing import * class Solution: def numIslands(self, grid: List[List[str]]) -> int: answer = 0 height, width = len(grid), len(grid[0]) visited = [[0] * width for _ in range..