DIY: Number of Provinces
Explore how to determine the number of provinces by analyzing city connectivity matrices with graph algorithms. Understand how to implement solutions that identify directly and indirectly connected groups of cities, enhancing your coding interview skills in Elixir.
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Problem statement
Suppose there are n cities, where some are connected, while others are not.
If a city c1 is connected to city c2, and city c2 is connected to city c3, then c1 is indirectly connected to c3.
A group of directly or indirectly connected cities, where no other city is part of this group, is called a province.
You are given a matrix, is_connected with a size of n x n. An entry is_connected[i][j] = 1 if the ...