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Parallel Arrays

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May 15.2010

Hi

I have the following code, and want to express the max points result in parallel with the winners names (i.e the two couples who got 7), What do i need to do to amend this code at the bottom?

[CODE]var contestantNamesArray = [‘bob and pete’, ‘tim and jon’, ‘mick and alun’, ‘van and brad’, ‘chez and jaz’];

var judgesPointsArray = [2,1,5,4,3];
var audiencePointsArray = [4,5,2,3,1];

var combinedPointsArray = new Array (5);

for (var points = 0; points < judgesPointsArray.length; points++)
{
combinedPointsArray[points] = judgesPointsArray[points] + audiencePointsArray[points];
}

var maxPoints = combinedPointsArray[0]

for (var points = 0; points < judgesPointsArray.length; points++)
{
if (combinedPointsArray[points] > maxPoints)
{
maxPoints = combinedPointsArray[points];
}
}
document.write(‘The maximum number of points was ‘ + maxPoints + ‘<BR>’)

document.write(‘The couple(s) scoring the maximum were:’ + ‘<BR>’)

[U]{
document.write(contestantNamesArray[maxPoints] );
}
[/U]

[/CODE]

Thanks ?

to post a comment
JavaScript

5 Comments(s) ↴

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@FangMay 15.2010 — &lt;script type="text/javascript"&gt;
var contestantNamesArray = ['bob and pete', 'tim and jon', 'mick and alun', 'van and brad', 'chez and jaz'];
var judgesPointsArray = [2,1,5,4,3];
var audiencePointsArray = [4,5,2,3,1];
var combinedPointsArray = new Array (5);

for (var points = 0; points &lt; judgesPointsArray.length; points++)
{
combinedPointsArray[points] = judgesPointsArray[points] + audiencePointsArray[points];
}

var maxPoints = combinedPointsArray[0];
var winners = [];
for (var points = 0; points &lt; judgesPointsArray.length; points++)
{
if (combinedPointsArray[points] &gt;= maxPoints)
{
if(combinedPointsArray[points] &gt; maxPoints) {winners.length = 0;} // empty array, new max points
winners.push(points); // save the winner
maxPoints = combinedPointsArray[points];
}
}
document.write('The maximum number of points was ' + maxPoints + '&lt;BR&gt;')
document.write('The couple(s) scoring the maximum were:' + '&lt;BR&gt;')

for(var i=0; i&lt;winners.length; i++) {
document.write(contestantNamesArray[winners[i]], '&lt;br&gt;' );
}
&lt;/script&gt;
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@AdytyperauthorMay 15.2010 — Thanks, it's not quite what i'm after doing.

I dont want to assign another variable, i.e "winners", so is there a way of doing it?
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@FangMay 16.2010 — Not if there is a possibility of multiple winners.

You could combine the first 2 [I]for [/I]loops:if ( (judgesPointsArray[points] + audiencePointsArray[points]) &gt;= maxPoints)
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@AdytyperauthorMay 16.2010 — So where could i add this loop for it to work?
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@FangMay 16.2010 — &lt;script type="text/javascript"&gt;
var contestantNamesArray = ['bob and pete', 'tim and jon', 'mick and alun', 'van and brad', 'chez and jaz'];
var judgesPointsArray = [2,1,5,4,3];
var audiencePointsArray = [4,5,2,3,1];

var maxPoints = 0;
var winners = [];
for (var points = 0; points &lt; judgesPointsArray.length; points++)
{
var temp = judgesPointsArray[points] + audiencePointsArray[points];
if (temp &gt;= maxPoints)
{
if(temp &gt; maxPoints) {winners.length = 0;} // empty array, new max points
winners.push(points); // save the winner
maxPoints = temp;
}
}
document.write('The maximum number of points was ' + maxPoints + '&lt;BR&gt;')
document.write('The couple(s) scoring the maximum were:&lt;BR&gt;')

for(var i=0; i&lt;winners.length; i++) {
document.write(contestantNamesArray[winners[i]], '&lt;br&gt;' );
}
&lt;/script&gt;
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