setrlimit RLIMIT_AS, $mlimit, $mlimit or die $! if $mlimit;
setrlimit RLIMIT_FSIZE, $olimit, $olimit or die $! if $olimit;
-%ENV = (ONLINE_JUDGE => 1, PATH => $ENV{PATH});
+%ENV = (ONLINE_JUDGE => 1, PATH => $ENV{PATH}, HOME => $ENV{PATH});
exec @args;