function gen_new_problem($arg_min, $arg_max, $oper, $doubles = false, $nf = true, $word = false)
{
if ($word) {
$_SESSION['wordproblem'] = true;
} else {
if (isset($_SESSION['wordproblem'])) {
unset($_SESSION['wordproblem']);
}
}
$argument1 = get_new_number($arg_min, $arg_max);
if (!$doubles) {
$argument2 = get_new_number($arg_min, $arg_max);
} else {
$argument2 = $argument1;
}
#echo $argument1.' '.$argument2."\n";
while (!check_problem($argument1, $oper, $argument2, $arg_min, $arg_max)) {
$argument1 = get_new_number($arg_min, $arg_max);
if (!$doubles) {
$argument2 = get_new_number($arg_min, $arg_max);
} else {
$argument2 = $argument1;
}
}
if (!$word) {
display_math_problem($argument1, $oper, $argument2, $nf);
} else {
display_word_problem($argument1, $oper, $argument2, $nf);
}
}
}
} else {
$detail .= "OK";
}
$detail .= "\n";
}
result('contests', 'Contests integrity', $has_errors ? 'E' : 'O', $detail);
flushresults();
// PROBLEMS
$res = $DB->q('SELECT probid, cid, shortname, timelimit, special_compare, special_run
FROM problem INNER JOIN contestproblem USING (probid)
ORDER BY probid');
$details = '';
while ($row = $res->next()) {
$CHECKER_ERRORS = array();
check_problem($row);
if (count($CHECKER_ERRORS) > 0) {
foreach ($CHECKER_ERRORS as $chk_err) {
$details .= 'p' . $row['probid'] . " in contest c" . $row['cid'] . ': ' . $chk_err . "\n";
}
}
if (!$DB->q("MAYBEVALUE SELECT count(testcaseid) FROM testcase\n \t WHERE input IS NOT NULL AND output IS NOT NULL AND\n \t probid = %i", $row['probid'])) {
$details .= 'p' . $row['probid'] . " in contest c" . $row['cid'] . ": missing in/output testcase.\n";
}
}
foreach (array('input', 'output') as $inout) {
$mismatch = $DB->q("SELECT probid, rank FROM testcase\n\t WHERE md5({$inout}) != md5sum_{$inout}");
while ($r = $mismatch->next()) {
$details .= 'p' . $r['probid'] . ": testcase #" . $r['rank'] . " MD5 sum mismatch between {$inout} and md5sum_{$inout}\n";
}
}
