20141020 作業五 - 加總
<?
$sum = 0;
$a = 1;
while ($a <= 100) {
$sum += $a;
$a++;
}
echo "1~100總和 = $sum<br>";
$sum = 0;
$a = 1;
while ($a <= 100) {
$sum += $a;
$a += 2;
}
echo "奇數總和 = $sum<br>";
$sum = 0;
$a = 1;
while ($a <= 100 ){
if($a%2 == 0)
$sum += $a;
$a++;
}
echo "偶數總和 = $sum<br>";
?>
