/** * Generate new cpid for contest * @global type $conn * @param type $cid * @return type new unused cpid */ function gen_new_cpid($cid) { global $conn; $rs = new RecordSet($conn); $rs->Query("SELECT * FROM contest_problems WHERE cid='{$cid}'"); $problems_n = $rs->num_rows() + 1000; return $problems_n; }