← Questions

Fewest new paths to connect every island

0
MetaCodingLast asked Jul 2025

You have N named islands and a list of existing two-way paths between them. Return the fewest new paths needed so every island can reach every other: count the connected components with union-find or a graph search, and the answer is that count minus one.

Write and test your solution herePython in your browser, the question's tests level by level, every submission kept for you.Sign in to start coding