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<!doctype html>
<html lang="en">
<meta charset="utf-8">
<title>Bubble Factory Test Lab</title>
var scores = [60, 50, 60, 58, 54, 54,     
var costs = [.25, .27, .25, .25, .25, .25, .33, .31, 
             .25, .29, .27, .22, .31, .25, .25, .33, 
             .21, .25, .25, .25, .28, .25, .24, .22,
             .20, .25, .30, .25, .24, .25, .25, .25, 
             .27, .25, .26, .29];
var highScore, bestSolutions;
// compute the high score and display results
highScore = printAndGetHighScore(scores);
console.log("Bubbles tests: " + scores.length);
console.log("Highest bubble score: " + highScore);
// compute the best solutions and display
bestSolutions = getBestResults(scores, highScore);
console.log("Solutions with the highest score: " + bestSolutions);
// compute the most cost effective of the best solutions
mostCostEffective = getMostCostEffectiveSolution(scores, costs, highScore);
// or use the more efficient function:
//mostCostEffective = getMostCostEffectiveSolution2(bestSolutions, costs);
// display the results
console.log("Bubble Solution #" + mostCostEffective + " is the most cost effective");
function printAndGetHighScore(scores) {
	var highScore = 0;
	var output;
	for (var i = 0; i < scores.length; i++) {
		output = "Bubble solution #" + i + " score: " + scores[i];
		console.log(output);
		if (scores[i] > highScore) {
			highScore = scores[i];
	return highScore;
function getBestResults(scores, highScore) {
	var bestSolutions = [];
	for (var i = 0; i < scores.length; i++) {
		if (scores[i] == highScore) {
			bestSolutions.push(i);
	return bestSolutions;
function getMostCostEffectiveSolution(scores, costs, highScore) {
	var cost = 100; // much higher than any of the costs
	var index;
	for (var i = 0; i < scores.length; i++) {
		if (scores[i] == highScore) {
			if (cost > costs[i]) {
				index = i;
				cost = costs[i];
	return index;
// Another way to write this is to use the bestSolutions array,
// and use the index stored there to find the cost value of that solution.
// This is a little more efficient, but not quite as easy to read!
function getMostCostEffectiveSolution2(bestSolutions, costs) {
	var cost = 100;
	var solutionIndex;
	var lowCostIndex;
	for (var i = 0; i < bestSolutions.length; i++) {
		solutionIndex = bestSolutions[i];
		if (cost > costs[solutionIndex]) {
			lowCostIndex = solutionIndex;
			cost = costs[solutionIndex];
	return lowCostIndex;
<body> </body>

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