/**
* Đưa ra 1 phần tử ở vị trí dòng $i, cột $j
* @param $i
* @param $j
*/
public function generate_item($i, $j)
{
$mis = $this->get_total_items($i, $j);
if (($picks = $this->group_top_right_items($i, $j)) !== false) {
//if($i==1&&$j==2) out1($picks,'b');
$picks = _drw($picks);
if (count($e = $picks->removes($mis)->O)) {
//if($i==1&&$j==2) out1($e,'b');
if (count($e) > 1) {
if ($this->get_col_items($j + 1) !== null) {
$e = cross_array('max', true, $this->get_col_items($j + 1), $e);
}
}
$get = get_rand_item($e);
//$get=pick_rand_number(1,$size,$mis);
} else {
$get = pick_rand_number(1, $this->size, $mis);
}
} else {
$get = pick_rand_number(1, $this->size, $mis);
}
if ($get == false) {
echo '{-----------<br>' . $i . ',' . ($j - 1);
dump($this->group_top_right_items($i, $j - 1));
echo '-------------}<br>';
}
return $get;
}
function get_rand_item($opt = false)
{
return get_rand_item($this->O, $opt);
}