php -> two-dimensional arrays

이전것/개발 2016. 7. 6. 12:59

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=6-$y; $x<7; $x++){

$a[$y][$x]=$cnt++;

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>


<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=$y; $x<7; $x++){

$a[$y][$x]=$cnt++;

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>



<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x+$y < 7; $x++){

$a[$y][$x]=$cnt++;

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>


<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x<=$y; $x++){

$a[$y][$x]=$cnt++;

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

=>a

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; !($x+$y == 7); $x++){

if($x<=$y){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>


=>b

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x<=$y; $x++){

if( $x+$y < 7)

$a[$y][$x]=$cnt++;


}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

=>c


<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?

$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0;$x<=6;$x++){

if( $x+$y<7 && $x<=$y)

$a[$y][$x]=$cnt++;

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>



4가지 코드는 모두 다음과 같은형태

1. for문으로만 작성

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?

#for문으로 만 작성

$cnt=1;

for($y=3; $y<=6; $y++){

for($x=6-$y; $x<=$y; $x++){

$a[$y][$x]=$cnt++;

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

2. 0.php에서 if문 추가

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?

#0.php 에서 if 문 추가

$cnt=1;

for($y=0; $y<=6; $y++){

for($x=6-$y; $x<7; $x++){

if($x<=$y){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

3. 3.php 에서 if문 추가

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?

#3.php 에서 if문 추가

$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x<=$y; $x++){

if( 6-$y <= $x)

$a[$y][$x]=$cnt++;

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

4.


<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x < 7; $x++){

if($x<=$y && 6-$y <= $x){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

1. A

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=6-$y; $x<7; $x++){

if($x>=$y){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

2. B

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=$y; $x<7; $x++){

if($x>=6-$y){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

3. C

<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="utf-8"/>
<title>제목</title>

</head>
<body>
<table border="1" width="350" height="50">
<?

$cnt=1;
for($y=0; $y<=6; $y++){
for($x=0; $x<7; $x++){
if($x>=$y && $x>=6-$y)
$a[$y][$x]=$cnt++;
}
}

for($y=0; $y<=6; $y++){
echo "<tr height=40> ";
for($x=0;$x<7;$x++){
echo "<td width=40 align=center>";
if($a[$y][$x] != 0){
echo $a[$y][$x];
}else {
echo "&nbsp;";
}
echo"</td>";
}
echo "</tr>";
}
?>
</table>

<script type="text/javascript">
</script>
</body>
</html>


<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="utf-8"/>
<title>제목</title>

</head>
<body>
<table border="1" width="350" height="50">
<?
#for문으로 만 작성
$cnt=1;
for($y=0; $y<=3; $y++){
for($x=$y; $x+$y<=6; $x++){
$a[$y][$x]=$cnt++;
}
}

for($y=0; $y<=6; $y++){
echo "<tr height=40> ";
for($x=0;$x<7;$x++){
echo "<td width=40 align=center>";
if($a[$y][$x] != 0){
echo $a[$y][$x];
}else {
echo "&nbsp;";
}
echo"</td>";
}
echo "</tr>";
}
?>
</table>

<script type="text/javascript">
</script>
</body>
</html>

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=$y; $x<7; $x++){

if($x+$y<=6){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x+$y < 7; $x++){

if($x>=$y){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x<7; $x++){

if($x+$y<=6 && $x>=$y){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x<7; $x++){

if($x>=$y && $x>=6-$y || $x+$y<7 && $x<=$y){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>


<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="utf-8"/>
<title>제목</title>

</head>
<body>
<table border="1" width="350" height="50">
<?

$cnt=1;
for($y=0; $y<=6; $y++){
for($x=0; $x<7; $x++){
if($x<=$y && 6-$y <= $x ||$x+$y<7 && $x>=$y){
$a[$y][$x]=$cnt++;
}
}
}

for($y=0; $y<=6; $y++){
echo "<tr height=40> ";
for($x=0;$x<7;$x++){
echo "<td width=40 align=center>";
if($a[$y][$x] != 0){
echo $a[$y][$x];
}else {
echo "&nbsp;";
}
echo"</td>";
}
echo "</tr>";
}
?>
</table>

<script type="text/javascript">
</script>
</body>
</html>


<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="utf-8"/>
<title>제목</title>

</head>
<body>
<table border="1" width="350" height="50">
<?

$cnt=1;
for($y=0; $y<=6; $y++){
for($x=0; $x < 7; $x++){
if( $x+$y >= 3 && $x+$y <= 9 && $x-$y <= 3 && $y-$x <= 3 ){
$a[$y][$x]=$cnt++;
}
}
}

for($y=0; $y<=6; $y++){
echo "<tr height=40> ";
for($x=0;$x<7;$x++){
echo "<td width=40 align=center>";
if($a[$y][$x] != 0){
echo $a[$y][$x];
}else {
echo "&nbsp;";
}
echo"</td>";
}
echo "</tr>";
}
?>
</table>

<script type="text/javascript">
</script>
</body>
</html>

<!DOCTYPE html>

<html lang="ko">

<head>

<meta charset="utf-8"/>

<title>제목</title>


</head>

<body>

<table border="1" width="350" height="50">

<?


$cnt=1;

for($y=0; $y<=6; $y++){

for($x=0; $x < 7; $x++){

if( $x == $y || $x+$y == 6 || $x*$y == 3 || $x * $y == 15){

$a[$y][$x]=$cnt++;

}

}

}


for($y=0; $y<=6; $y++){

echo "<tr height=40> ";

for($x=0;$x<7;$x++){

echo "<td width=40 align=center>";

if($a[$y][$x] != 0){

echo $a[$y][$x];

}else {

echo "&nbsp;";

}

echo"</td>";

}

echo "</tr>";

}

?>

</table>


<script type="text/javascript">

</script>

</body>

</html>




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