Dynamic Friendship Connectivity
Problem statement
There are n servers numbered from 0 through n - 1. Their undirected connection multigraph is initially empty. Process operations in order:
The problem statement continues
ProExamples
Example 1
n = 4operations = [[0,0,1],[0,1,2],[2,0,2],[1,1,2],[2,0,2]]return = [true,false]The first two connections link servers 0 and 2. Removing {1,2} breaks that path before the second query.
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