Number of Islands

#graph #grind75 #grind75-week4 #leetcode #leetcode-25min #leetcode-medium

April 07, 1970

Prerequisites

To understand this note, these notes may help:

Grind75, a better Blind75 you can customize
- Leetcode discussion on Blind75 LeetCode questions
  - Memorising Leetcode by using Anki as a Scheduler

Grind75 week 4, problem 7.

This problem is medium, and is expected to take 25 mins.

https://leetcode.com/problems/number-of-islands