<?php require_once("Kruskal.class.php"); function print_arcs($aText,$arcArray,$nArcs) { ?> <ul><?=$aText?>, <?=$nArcs?> arcs <? foreach ($arcArray as $arc => $cost) { ?> <li>arc <?=$arc?>, cost <?=$cost?> <? } ?> </ul> <? } $arcs = array( "AB" => 17, "BC" => 23, "CD" => 32, "DE" => 14, "AF" => 11, "FG" => 19, "BG" => 28, "GH" => 27, "CH" => 21, "HI" => 15, "DI" => 11, "IJ" => 42, "EJ" => 41, "FK" => 10, "KL" => 26, "GL" => 61, "LM" => 20, "HM" => 31, "MN" => 18, "IN" => 71, "NP" => 21, "JP" => 51 ); $k = new Kruskal($arcs); $min_arcs = $k->findMinimum(); $min_cost = $k->calculateMinimumCost(); print_arcs('base graph ',$arcs,sizeof($arcs)); print_arcs("minimal spanning tree, cost $min_cost",$min_arcs,sizeof($min_arcs)); ?>

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