mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-10 06:38:41 +00:00
453 lines
14 KiB
PHP
453 lines
14 KiB
PHP
<?php
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define("CONTEST_NOT_STARTED", 0);
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define("CONTEST_IN_PROGRESS", 1);
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define("CONTEST_PENDING_FINAL_TEST", 2);
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define("CONTEST_TESTING", 10);
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define("CONTEST_FINISHED", 20);
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function genMoreContestInfo(&$contest) {
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$contest['start_time_str'] = $contest['start_time'];
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$contest['start_time'] = new DateTime($contest['start_time']);
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$contest['end_time'] = clone $contest['start_time'];
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$contest['end_time']->add(new DateInterval("PT${contest['last_min']}M"));
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$contest['end_time_str'] = $contest['end_time']->format('Y-m-d H:i:s');
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if ($contest['status'] == 'unfinished') {
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if (UOJTime::$time_now < $contest['start_time']) {
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$contest['cur_progress'] = CONTEST_NOT_STARTED;
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} elseif (UOJTime::$time_now < $contest['end_time']) {
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$contest['cur_progress'] = CONTEST_IN_PROGRESS;
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} else {
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$contest['cur_progress'] = CONTEST_PENDING_FINAL_TEST;
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}
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} elseif ($contest['status'] == 'testing') {
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$contest['cur_progress'] = CONTEST_TESTING;
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} elseif ($contest['status'] == 'finished') {
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$contest['cur_progress'] = CONTEST_FINISHED;
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}
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$contest['extra_config'] = json_decode($contest['extra_config'], true);
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if (!isset($contest['extra_config']['standings_version'])) {
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$contest['extra_config']['standings_version'] = 2;
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}
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}
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function updateContestPlayerNum($contest) {
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DB::update([
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"update contests",
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"set", [
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"player_num" => DB::rawbracket([
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"select count(*) from contests_registrants",
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"where", ["contest_id" => $contest['id']]
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])
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], "where", ["id" => $contest['id']]
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]);
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}
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// return value: ['problems' => $problems, 'data' => $data, 'people' => $people]
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// problems: pos => id
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//
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// for individual competition:
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// people : username, realname
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// for team competition:
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// people : username, null, ['team_name' => team_name, 'members' => members]
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//
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// for OI/IOI contest:
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// data : id, submit_time, submitter, problem_pos, score
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// for ACM contest:
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// data : id, submit_time (plus penalty), submitter, problem_pos, score, cnt, n_failures
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// if the contest is not finished, then cnt = null, n_failures = null;
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// otherwise, cnt is the total number of submission of this subitter for this problem
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// (by the time of getting 100, including the first submission with score 100)
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// n_failures is the number of failure attempts of this submitter for this problem
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function queryContestData($contest, $config = []) {
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mergeConfig($config, [
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'pre_final' => false,
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'after_contest' => false,
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]);
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$problems = [];
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$prob_pos = [];
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$n_problems = 0;
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$res = DB::selectAll([
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"select problem_id from contests_problems",
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"where", ["contest_id" => $contest['id']],
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"order by level, problem_id"
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], DB::NUM);
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foreach ($res as $row) {
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$prob_pos[$problems[] = (int)$row[0]] = $n_problems++;
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}
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if ($contest['extra_config']['basic_rule'] == 'OI' || $contest['extra_config']['basic_rule'] == 'IOI') {
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$data = queryOIorIOIContestSubmissionData($contest, $problems, $prob_pos, $config);
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} elseif ($contest['extra_config']['basic_rule'] == 'ACM') {
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$data = queryACMContestSubmissionData($contest, $problems, $prob_pos, $config);
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}
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$people = [];
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if ($contest['extra_config']['individual_or_team'] == 'individual') {
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$people = DB::selectAll([
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"select contests_registrants.username, user_info.realname from contests_registrants",
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"inner join user_info on contests_registrants.username = user_info.username",
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"where", [
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"contest_id" => $contest['id'],
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"has_participated" => 1
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]
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], DB::NUM);
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} elseif ($contest['extra_config']['individual_or_team'] == 'team') {
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$res = DB::selectAll([
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"select user_info.username, null, user_info.extra from contests_registrants, user_info",
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"where", [
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"contest_id" => $contest['id'],
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"has_participated" => 1,
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"contests_registrants.username = user_info.username"
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]
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], DB::NUM);
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foreach ($res as $row) {
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$extra = json_decode($row[2], true);
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$row[2] = [
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'team_name' => $extra['acm']['team_name'],
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'members' => $extra['acm']['members']
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];
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$people[] = $row;
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}
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}
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return ['problems' => $problems, 'data' => $data, 'people' => $people];
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}
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function queryOIorIOIContestSubmissionData($contest, $problems, $prob_pos, $config = []) {
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$data = [];
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$use_final_res = $config['pre_final'] && $contest['extra_config']['basic_rule'] == 'OI';
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if ($use_final_res) {
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$res = DB::selectAll([
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"select id, submit_time, submitter, problem_id, result from submissions",
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"where", [
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"contest_id" => $contest['id'],
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["score", "is not", null]
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], "order by id"
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], DB::NUM);
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foreach ($res as $row) {
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$r = json_decode($row[4], true);
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if (!isset($r['final_result'])) {
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continue;
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}
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$row[0] = (int)$row[0];
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$row[3] = $prob_pos[$row[3]];
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$row[4] = (int)($r['final_result']['score']);
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$data[] = $row;
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}
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} else {
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if ($contest['cur_progress'] < CONTEST_FINISHED) {
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$res = DB::selectAll([
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"select id, submit_time, submitter, problem_id, score from submissions",
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"where", [
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"contest_id" => $contest['id'],
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["score", "is not", null]
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], "order by id"
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], DB::NUM);
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} elseif ($config['after_contest']) {
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$res = DB::selectAll([
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"select id, submit_time, submitter, problem_id, score from submissions",
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"where", [
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["problem_id", "in", DB::rawtuple($problems)],
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["submitter", "in", DB::rawbracket([
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"select username from contests_registrants",
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"where", [
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"contest_id" => $contest['id'],
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"has_participated" => 1,
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],
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])],
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], "order by score",
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], DB::NUM);
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} else {
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$esc_start_time_str = DB::escape($contest['start_time_str']);
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$res = DB::selectAll([
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"select submission_id, date_add('{$esc_start_time_str}', interval penalty second), submitter, problem_id, score from contests_submissions",
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"where", ["contest_id" => $contest['id']],
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], DB::NUM);
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}
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foreach ($res as $row) {
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$row[0] = (int)$row[0];
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$row[3] = $prob_pos[$row[3]];
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$row[4] = (int)$row[4];
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$data[] = $row;
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}
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}
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return $data;
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}
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function queryACMContestSubmissionData($contest, $problems, $prob_pos, $config = []) {
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$data = [];
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$username_or_empty = Auth::id();
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if (!isset($username_or_empty)) {
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$username_or_empty = '';
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}
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$actual_score = UOJSubmission::sqlForActualScore();
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$visible_score = 'if(' . DB::land(['hide_score_to_others' => 1, 'submitter' => $username_or_empty]) . ', hidden_score, score)';
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if ($config['pre_final']) {
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$res = DB::selectAll([
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"select id, submit_time, submitter, problem_id, $actual_score as actual_score, null, null from submissions",
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"where", [
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"contest_id" => $contest['id'],
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[$actual_score, "is not", null]
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], "order by id"
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], DB::NUM);
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} else {
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if ($contest['cur_progress'] < CONTEST_FINISHED) {
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$res = DB::selectAll([
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"select id, submit_time, submitter, problem_id, $visible_score as visible_score, null, null from submissions",
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"where", [
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"contest_id" => $contest['id'],
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DB::lor([
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[$visible_score, "is not", null],
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DB::land([
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"hide_score_to_others" => 1,
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["submitter", "!=", $username_or_empty]
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])
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])
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], "order by id"
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], DB::NUM);
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} else {
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$esc_start_time_str = DB::escape($contest['start_time_str']);
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$res = DB::selectAll([
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"select submission_id, date_add('{$esc_start_time_str}', interval penalty second), submitter, problem_id, score, cnt, n_failures from contests_submissions",
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"where", ["contest_id" => $contest['id']],
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], DB::NUM);
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}
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}
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foreach ($res as $row) {
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$row[0] = (int)$row[0];
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$row[3] = $prob_pos[$row[3]];
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if (isset($row[4])) {
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$row[4] = (int)$row[4];
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}
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if (isset($row[5])) {
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$row[5] = (int)$row[5];
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}
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if (isset($row[6])) {
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$row[6] = (int)$row[6];
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}
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$data[] = $row;
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}
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return $data;
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}
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// standings: rank => score, penalty, [username, realname], virtual_rank
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function calcStandings($contest, $contest_data, &$score, &$standings, $cfg = []) {
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$cfg += [
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'update_contests_submissions' => false,
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];
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// score for OI: username, problem_pos => score, penalty, id
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// score for ACM: username, problem_pos => score, penalty, id, cnt, n_failures, n_frozen
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$score = [];
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$n_people = count($contest_data['people']);
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$n_problems = count($contest_data['problems']);
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foreach ($contest_data['people'] as $person) {
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$score[$person[0]] = [];
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}
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if ($contest['extra_config']['basic_rule'] === 'OI') {
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foreach ($contest_data['data'] as $sub) {
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$penalty = (new DateTime($sub[1]))->getTimestamp() - $contest['start_time']->getTimestamp();
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if ($contest['extra_config']['standings_version'] >= 2) {
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if ($sub[4] == 0) {
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$penalty = 0;
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}
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}
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$score[$sub[2]][$sub[3]] = array($sub[4], $penalty, $sub[0]);
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}
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} else if ($contest['extra_config']['basic_rule'] === 'ACM') {
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// sub: id, submit_time, submitter, problem_pos, score
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// id, submit_time (plus penalty), submitter, problem_pos, score, cnt, n_failures
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foreach ($contest_data['data'] as $sub) {
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if (!isset($score[$sub[2]][$sub[3]])) {
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$score[$sub[2]][$sub[3]] = [];
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}
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$score[$sub[2]][$sub[3]][] = $sub;
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}
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foreach ($contest_data['people'] as $person) {
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$uname = $person[0];
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for ($pr = 0; $pr < $n_problems; $pr++) {
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if (isset($score[$uname][$pr])) {
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// username, problem_pos => score, penalty, id, cnt, n_failures, n_frozen
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$final_scr = null;
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$penalty = 0;
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$key_sub = null;
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$cnt = 0;
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$n_failures = 0;
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$n_frozen = 0;
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if (isset($score[$uname][$pr][0][5])) { // the stored contest data is used
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$sub = $score[$uname][$pr][0];
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$final_scr = $sub[4];
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$penalty = (new DateTime($sub[1]))->getTimestamp() - $contest['start_time']->getTimestamp();
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$key_sub = $sub;
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$cnt = $sub[5];
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$n_failures = $sub[6];
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$n_frozen = 0;
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} else {
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for ($i = 0; $i < count($score[$uname][$pr]); $i++) {
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$sub = $score[$uname][$pr][$i];
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$cnt++;
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if (!isset($sub[4])) {
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$n_frozen++;
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} elseif (!isset($final_scr) || $final_scr < $sub[4]) {
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$final_scr = $sub[4];
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if ($final_scr == 100) {
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break;
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}
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}
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}
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if (!isset($final_scr)) {
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$key_sub = end($score[$uname][$pr]);
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} else if ($final_scr == 0) {
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for ($i = 0; $i < count($score[$uname][$pr]); $i++) {
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$sub = $score[$uname][$pr][$i];
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if (!isset($sub[4])) {
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break;
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} else {
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$n_failures++;
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$key_sub = $sub;
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}
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}
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list($final_scr, $penalty) = calcACMScoreAndPenaltyForOneProblem(
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$contest,
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$contest_data['problems'][$pr],
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$key_sub,
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$n_failures
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);
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} else {
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$scr_set = [];
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for ($i = 0; $i < count($score[$uname][$pr]); $i++) {
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$sub = $score[$uname][$pr][$i];
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if ($sub[4] > 0 && $sub[4] != 97 && !isset($scr_set[$sub[4]])) {
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$scr_set[$sub[4]] = true;
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} else {
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$n_failures++;
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}
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if ($sub[4] === $final_scr) {
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$key_sub = $sub;
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break;
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}
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}
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list($final_scr, $penalty) = calcACMScoreAndPenaltyForOneProblem(
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$contest,
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$contest_data['problems'][$pr],
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$key_sub,
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$n_failures
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);
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}
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}
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$score[$uname][$pr] = [
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$final_scr,
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$penalty,
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$key_sub[0],
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$cnt,
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$n_failures,
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$n_frozen
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];
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}
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}
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}
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} else if ($contest['extra_config']['basic_rule'] === 'IOI') {
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foreach ($contest_data['data'] as $sub) {
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$penalty = (new DateTime($sub[1]))->getTimestamp() - $contest['start_time']->getTimestamp();
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if ($sub[4] == 0) {
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$penalty = 0;
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}
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if (!isset($score[$sub[2]][$sub[3]]) || $score[$sub[2]][$sub[3]][0] < $sub[4]) {
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$score[$sub[2]][$sub[3]] = array($sub[4], $penalty, $sub[0]);
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}
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}
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}
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// standings: rank => score, penalty, [username, realname], virtual_rank, ?review
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$standings = [];
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foreach ($contest_data['people'] as $person) {
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$cur = array(0, 0, $person);
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for ($i = 0; $i < $n_problems; $i++) {
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if (isset($score[$person[0]][$i])) {
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$cur_row = $score[$person[0]][$i];
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$cur[0] += $cur_row[0];
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$cur[1] += $cur_row[1];
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if ($cfg['update_contests_submissions']) {
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DB::insert([
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"replace into contests_submissions",
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"(contest_id, submitter, problem_id, submission_id, score, penalty, cnt, n_failures)",
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"values", DB::tuple([
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$contest['id'], $person[0], $contest_data['problems'][$i], $cur_row[2],
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$cur_row[0], $cur_row[1],
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isset($cur_row[3]) ? $cur_row[3] : null,
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isset($cur_row[4]) ? $cur_row[4] : null
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])
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]);
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}
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}
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}
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$standings[] = $cur;
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}
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usort($standings, function ($lhs, $rhs) {
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if ($lhs[0] != $rhs[0]) {
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return $rhs[0] - $lhs[0];
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} else if ($lhs[1] != $rhs[1]) {
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return $lhs[1] - $rhs[1];
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} else {
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return strcmp($lhs[2][0], $rhs[2][0]);
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}
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});
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$is_same_rank = function ($lhs, $rhs) {
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return $lhs[0] == $rhs[0] && $lhs[1] == $rhs[1];
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};
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for ($i = 0; $i < $n_people; $i++) {
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if ($i == 0 || !$is_same_rank($standings[$i - 1], $standings[$i])) {
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$standings[$i][] = $i + 1;
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} else {
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$standings[$i][] = $standings[$i - 1][3];
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}
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}
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}
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function calcACMScoreAndPenaltyForOneProblem($contest, $problem_id, $sub, $n_failures) {
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if (isset($contest['extra_config']['bonus']["problem_{$problem_id}"])) {
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if ($sub[4] === 100) {
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return [0, -60 * 20];
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} else {
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return [0, 0];
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}
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} else {
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$penalty = (new DateTime($sub[1]))->getTimestamp() - $contest['start_time']->getTimestamp();
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$penalty += $n_failures * 60 * 20;
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if ($sub[4] === 0) {
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$penalty = 0;
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}
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return [$sub[4], $penalty];
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}
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}
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function getContestBlogLink($contest, $title) {
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if (!isset($contest['extra_config']['links'])) {
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return null;
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}
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foreach ($contest['extra_config']['links'] as $link) {
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if ($link[0] === $title) {
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return '/blogs/' . $link[1];
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}
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}
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return null;
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}
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