protected function init()
{
$this->size = rand(6, 8);
$this->graphTemplate = GraphTemplate::getGraph(array("numVertex" => $this->size, "directed" => false, "connected" => true));
$this->adjList = generateAdjList($this->graphTemplate);
//array of array of Pairs
$this->edgeList = generateEdgeList($this->graphTemplate);
//array of triples
}
protected function getAnswerNonzero($qObj)
{
$graphTemplate = $qObj->internalDS;
$edgeList = generateEdgeList($graphTemplate);
$nEdges = count($edgeList);
$ans = 2 * $nEdges;
return $ans;
}