print "Number: ", scalar @subgraphs, "\n";
print "First: ", @{ $subgraphs[0] }, "\n";
Update: If you also want to generate the subgraphs corresponding to the components, you can use the following code:
my @subg;
for my $component (0 .. @subgraphs - 1) {
$subg[$component] = Graph::Undirected->new;
for my $i (0 .. $#a) {
$subg[$component]->add_edge($a[$i], $b[$i])
if grep $_ eq $a[$i], @{ $subgraphs[$component] };
}
}
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