DIY: Number of Islands
Explore how to solve the Number of Islands problem by identifying connected land areas in a 2D grid. Learn to implement a Swift function that counts islands formed by adjacent lands, preparing you for similar coding interview challenges focused on grid traversal and adjacency detection.
We'll cover the following...
We'll cover the following...
Problem statement
Given an m x n 2D grid map of 1's (land) and 0's (water), return the number of islands.
An island is surrounded by water and is ...