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解答例

PHP

<?php
header("Content-type: text/html; charset=utf-8");

for($cnt = 1; $cnt <= 10; $cnt++){
	echo $cnt;
	if($cnt <= 5){
		echo "●";
	}
	elseif($cnt <= 8){
		echo "■";
	}
	else{
		echo "▼";
	}
	echo "<br>";
}
?>

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