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Detects if a route between any 2 nodes can only be found when going in one of the directions. The links with the problematic one-way restrictions are identified and marked with 1 in the IA array. If any links are marked, it means the whole network isn't strongly connected.


The function returns the number of elements set in the array.


See also SubNet and Bridges


Syntax: SubNetEx(var IA: TIntegerArray): integer