Staircase

This is a staircase of size :4

   #
  ##
 ###
####

// Complete the staircase function below.
function staircase($n)
{
    $max = $n - 1;
    for ($i = 0;$i < $n;$i++)
    {
        for ($j = 0;$j < ($max - $i);$j++)
        {
            echo " ";

        }
        for ($k = 0;$k <= $i;$k++)
        {
            echo "#";
        }

        echo "\n";

    }
}

$stdin = fopen("php://stdin", "r");

fscanf($stdin, "%d\n", $n);

staircase($n);

fclose($stdin);



 
    

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