DIY: Number of Islands
Explore how to solve the classic 'Number of Islands' problem by implementing a JavaScript function that counts islands in a 2D grid. Understand how to navigate and analyze grid data to identify connected land regions, preparing you for real interview scenarios.
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 ...