Leetcode Problem 1319. Number of Operations to Make Network Connected

1319. Number of Operations to Make Network Connected

Leetcode Solutions

Check if the number of connections is less than n - 1. If so, return -1.
Create an adjacency list from the connections.
Initialize a visited array to keep track of visited nodes.
Initialize numberOfConnectedComponents to 0.
Iterate through all nodes. If a node is unvisited, perform a DFS starting from that node and increment numberOfConnectedComponents.
After visiting all nodes, return numberOfConnectedComponents - 1.

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