Ola City Provinces Count
Ola City Provinces Count
EasyGraphs100% accepted
Ola has n cities. isConnected[i][j]=1 means cities i and j are directly connected by roads. Find the total number of provinces (groups of directly or indirectly connected cities).
Approach
Count connected components in an undirected graph given adjacency matrix.
Input
3
1 1 0
1 1 0
0 0 1
Output
2
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