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IT Security and Insecurity Portal |
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Algorithms |
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 Posted: Fri Sep 24, 2004 7:55 pm |
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| ic3 |
| Regular user |
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| Joined: Jul 18, 2004 |
| Posts: 14 |
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_________________
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| Posted: Sat Sep 25, 2004 5:26 pm |
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| ic3 |
| Regular user |
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| Joined: Jul 18, 2004 |
| Posts: 14 |
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i have made this in javascript to try and help me solve it - but its not 100% working can u help me with it?
| Code: | <script>
var size =3;
var start =1;
var step =1;
var row =1;
var col = (size + 1) / 2;
var count = 1;
var number = start;
while (count > size * size)
{
var ans=new Array("row","col");
ans = number;
number = number + step;
count = count + 1;
var newrow = row - 1;
if (newrow < 1)
{
newrow = size;
}
var newcol = col - 1;
if (newcol < 1)
{
newcol = size;
}
if (array(newrow,newcol) != array("",""))
{
newrow = row + 1;
newcol = col;
}
if (newrow > size)
{
newrow = 1;
}
row = newrow
col = newcol
document.write("newrow:" + newrow + "<br>");
document.write("newcol:" + newcol + "<br>");
document.write("ans[0] + ans[1]:" + ans[0] + ans[1] + "<br>");
document.write("ans[1] + ans[0]:" + ans[1] + ans[0] + "<br>");
document.write("ans[1] + ans[1]:" + ans[1] + ans[1] + "<br>");
}
document.write("size:" + size + "<br>");
document.write("start:" + start + "<br>");
document.write("step:" + step + "<br>");
document.write("row:" + row + "<br>");
document.write("col:" + col + "<br>");
document.write("count:" + count + "<br>");
document.write("number:" + number + "<br>");
</script> |
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_________________
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| Posted: Sun Sep 26, 2004 5:12 pm |
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| ic3 |
| Regular user |
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| Joined: Jul 18, 2004 |
| Posts: 14 |
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ok i finished it:
| Code: | <html>
<title>Task 2 Algorithm</title>
<body>
<form name=value>
size: <input type="text" name="size" value="0" size=1 maxlength=1>
start: <input type="text" name="start" value="0" size=1 maxlength=1>
step: <input type="text" name="step" value="0" size=1 maxlength=1>
<input type="button" value="Submit" onclick="wholething()"/></form>
<script language=javascript>
function wholething()
{
size = parseInt(document.value.size.value);
start = parseInt(document.value.start.value);
step = parseInt(document.value.step.value);
populate(size,start,step)
}
function doHeadings()
{
var headings = new Array("Size","Start","Step","Row","Col","Count","Number","Array(1,1)","Array(1,2)","Array(1,3)","Array(2,1)","Array(2,2)","Array(2,3)","Array(3,1)","Array(3,2)","Array(3,3)","NewRow","NewCol");
for (i=0; i<headings.length; i++)
{
document.write("<td width=44><b>" + headings[i] + "</b></td>");
}
document.write("</tr>")
}
function createTable()
{
document.write("<table width=792 border=1 bordercolor=black CELLSPACING=0, CELLPADDING=1><tr>");
}
function closeTable()
{
document.write("</table><br><br>")
}
function createArray(first,second)
{
answer=new Array(first);
for (i=0; i <first ; i++)
{
answer[i]=new Array(second);
}
return answer;
}
function doResults()
{
document.write("<tr>");
document.write("<td align=center>" + size + "</td>");
document.write("<td align=center>" + start + "</td>");
document.write("<td align=center>" + step + "</td>");
document.write("<td align=center>" + row + "</td>");
document.write("<td align=center>" + col + "</td>");
document.write("<td align=center>" + count + "</td>");
document.write("<td align=center>" + number + "</td>")
document.write("<td align=center>" + Empty(answer[0][0]) + "</td>");
document.write("<td align=center>" + Empty(answer[0][1])+ "</td>");
document.write("<td align=center>" + Empty(answer[0][2])+ "</td>");
document.write("<td align=center>" + Empty(answer[1][0])+ "</td>");
document.write("<td align=center>" + Empty(answer[1][1])+ "</td>");
document.write("<td align=center>" + Empty(answer[1][2])+ "</td>");
document.write("<td align=center>" + Empty(answer[2][0])+ "</td>");
document.write("<td align=center>" + Empty(answer[2][1])+ "</td>");
document.write("<td align=center>" + Empty(answer[2][2])+ "</td>");
document.write("<td align=center>" + newrow + "</td>");
document.write("<td align=center>" + newcol + "</td>");
document.write("</tr>");
}
function Empty(element)
{
if (element == undefined)
{
return "empty";
}
else return element;
}
function displayResults(results)
{
document.write("<table width=" + results.length * 80 + " border=1 bordercolor=black CELLSPACING=0, CELLPADDING=1><tr>");
document.write("<td width=44></td>");
for (i=0; i<results.length; i++)
{
document.write("<td width=80 align=center><b>" + (i+1) + "</b></td>");
}
document.write("</tr>");
for (i=0; i<results.length; i++)
{
document.write("<tr><td align=center><b>" + (i+1) + "</b></td>");
for (j=0; j<results.length; j++)
{
document.write("<td align=center>" + Empty(results[i][j]) + "</td>");
}
document.write("</tr>");
}
closeTable();
}
function populate(size,start,step)
{
row = 1;
col = (size + 1)/2;
count = 1;
number = start;
answer = createArray(size,size);
createTable();
doHeadings();
do
{
answer[row-1][col-1]=number;
number=number+step;
count++;
newrow = row-1;
if (newrow<1)
{
newrow = size;
}
newcol = col-1;
if (newcol<1)
{
newcol = size;
}
if (answer[newrow-1][newcol-1] != undefined)
{
newrow = row+1;
newcol = col;
if (newrow > size)
{
newrow=1;
}
}
row = newrow;
col = newcol;
doResults();
}
while (count <= Math.pow(size,2))
closeTable();
document.write("<br><br>")
displayResults(answer);
}
</script> |
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_________________
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| Posted: Fri Nov 12, 2004 1:01 am |
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| OkIDaN |
| Regular user |
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| Joined: Nov 12, 2004 |
| Posts: 6 |
| Location: Azerbaijan |
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| Heh, nice trilogy. Consider this post as the Null byte. |
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