Leetcode 200 Number of Islands (Java)

Leetcode 200 Number of Islands (Java)

We use DFS (Depth First Search) to count the number of islands. This is a common tech interview question in Companies like Google, Amazon, Facebook etc.

0:00 Problem Introduction
1:13 Solution Approach
1:30 Code
8:30 Run / Debug Solution

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- array. hashmap, dynamic programming, binary search, DFS, BFS, graphs, trees, tree traversal, graph traversal, minimum, maximum, heap, priority queue, hashset, set, hash set, map, hash map, sorting, searching