} else {
if (!problem_exist($pid[0]) || problem_hidden($pid[0])) {
$ret["msg"] = "First problem doesn't exist.";
} else {
if ($edt - $stt < 30 * 60 || $edt - $stt > 15 * 24 * 60 * 60 || $lbt != 0 && ($lbt < $stt && $lbt > $edt)) {
$ret["msg"] = "Invalid contest length.";
} else {
$sql_add_con = "insert into contest (title,description,isprivate,lock_board_time,start_time,end_time,hide_others,owner,isvirtual,type,password) values ('{$title}'" . ",'{$description}','{$isprivate}','{$lock_board_time}','{$start_time}','{$end_time}','{$hide_others}','{$nowuser}',1,'{$ctype}','{$pass}')";
//$sql_add_con = change_in($sql_add_con);
//echo "<br/>".$sql_add_con."<br/>";
$pd = false;
for ($i = 0; $i < $n; $i++) {
if ($pid[$i] == "") {
continue;
}
if (!problem_exist($pid[$i]) || problem_hidden($pid[$i])) {
$pd = true;
} else {
if ($ptype[$i] == 1 || $ptype[$i] == 3) {
if (!is_numeric($base[$i]) || !is_numeric($minp[$i]) || !is_numeric($paraa[$i]) || !is_numeric($parab[$i])) {
// echo $base[$i].is_numeric($base[$i]);
$pd = true;
}
} else {
if ($ptype[$i] == 2) {
if (!is_numeric($base[$i]) || !is_numeric($minp[$i]) || !is_numeric($paraa[$i]) || !is_numeric($parab[$i]) || !is_numeric($parac[$i]) || !is_numeric($parad[$i]) || !is_numeric($parae[$i])) {
//echo $i;
$pd = true;
}
if (abs(doubleval($paraa[$i]) + doubleval($parab[$i]) - 1.0) > 0.001 || doubleval($parad[$i]) < 0 || doubleval($parac[$i]) < 0.0001) {
$pd = true;
<?php
include_once dirname(__FILE__) . "/../functions/problems.php";
$vname = convert_str($_GET['vname']);
$vid = convert_str($_GET['vid']);
$ret["code"] = 1;
if ($vname == "BNU") {
$ret["pid"] = $vid;
$ret["title"] = problem_get_title($ret["pid"]);
if ($ret["title"]) {
$ret["code"] = 0;
}
} else {
$ret["pid"] = problem_get_id_from_virtual($vname, $vid);
$ret["title"] = problem_get_title($ret["pid"]);
if ($ret["pid"] && $ret["title"]) {
$ret["code"] = 0;
}
}
if ($ret["code"] == 0 && problem_hidden($ret["pid"])) {
unset($ret);
$ret["code"] = 1;
}
echo json_encode($ret);
$ret["msg"] = "No source code!";
echo json_encode($ret);
die;
}
if (!$current_user->is_valid() || !$current_user->match($uname)) {
clear_cookies();
$ret["msg"] = "Invalid User.";
echo json_encode($ret);
die;
}
if (!problem_exist($pid)) {
$ret["msg"] = "No Such Problem.";
echo json_encode($ret);
die;
}
if (problem_hidden($pid) && !$current_user->is_root()) {
$ret["msg"] = "No Such Problem.";
echo json_encode($ret);
die;
}
if ($lang == 0) {
$ret["msg"] = "Please Select Language.";
echo json_encode($ret);
die;
}
if (time() - strtotime($current_user->get_val("last_submit_time")) < 5) {
$ret["msg"] = "Too Fast!";
echo json_encode($ret);
die;
}
if ($lang < 4 && $lang > 0) {
