vjudge: add hduoj (#654)
Co-authored-by: panda <panda_dtdyy@outlook.com> Co-authored-by: undefined <i@undefined.moe>pull/674/head
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/* eslint-disable no-constant-condition */
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/* eslint-disable no-await-in-loop */
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import { PassThrough } from 'stream';
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import { JSDOM } from 'jsdom';
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import { } from 'superagent';
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import charset from 'superagent-charset';
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import proxy from 'superagent-proxy';
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import {
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htmlEncode, Logger, parseMemoryMB, parseTimeMS, sleep, STATUS, superagent,
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} from 'hydrooj';
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import { BasicFetcher } from '../fetch';
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import { IBasicProvider, RemoteAccount } from '../interface';
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declare module 'superagent' {
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interface Request {
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charset(c: string): this;
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}
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}
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charset(superagent);
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proxy(superagent as any);
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const logger = new Logger('remote/hduoj');
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const StatusMapping = {
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Queuing: STATUS.STATUS_WAITING,
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Running: STATUS.STATUS_JUDGING,
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Compiling: STATUS.STATUS_COMPILING,
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Accepted: STATUS.STATUS_ACCEPTED,
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'Presentation Error': STATUS.STATUS_WRONG_ANSWER,
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'Runtime Error': STATUS.STATUS_RUNTIME_ERROR,
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'Output Limit Exceeded': STATUS.STATUS_OUTPUT_LIMIT_EXCEEDED,
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'Wrong Answer': STATUS.STATUS_WRONG_ANSWER,
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'Compilation Error': STATUS.STATUS_COMPILE_ERROR,
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'Memory Limit Exceeded': STATUS.STATUS_MEMORY_LIMIT_EXCEEDED,
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'Time Limit Exceeded': STATUS.STATUS_TIME_LIMIT_EXCEEDED,
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};
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export default class HDUOJProvider extends BasicFetcher implements IBasicProvider {
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constructor(public account: RemoteAccount, private save: (data: any) => Promise<void>) {
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super(account, 'https://acm.hdu.edu.cn', 'form', logger);
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}
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async getCsrfToken(url: string) {
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const { header } = await this.get(url);
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if (header['set-cookie']) {
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await this.save({ cookie: header['set-cookie'] });
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this.cookie = header['set-cookie'];
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}
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return '';
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}
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get loggedIn() {
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return this.get('/index.php').then(({ text: html }) => html.includes('<div align=left style="font-size:16px;width:150px">'));
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}
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async ensureLogin() {
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if (await this.loggedIn) return true;
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logger.info('retry login');
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await this.getCsrfToken('/');
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await this.post('/userloginex.php?action=login&cid=0¬ice=0')
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.set('referer', 'https://acm.hdu.edu.cn/userloginex.php')
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.send({
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username: this.account.handle,
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userpass: this.account.password,
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login: 'Sign In',
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});
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return this.loggedIn;
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}
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async getProblem(id: string) {
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logger.info(id);
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const res = await superagent.get('/showproblem.php')
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.query({ pid: id.split('P')[1] })
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.buffer(true)
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.charset('gbk');
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const { window: { document } } = new JSDOM(res.text);
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const images = {};
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const files = {};
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const problemContent = document.querySelector('table>tbody').children[3].children[0];
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for (const ele of problemContent.querySelectorAll('img[src]')) {
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const src = ele.getAttribute('src');
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if (images[src]) {
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ele.setAttribute('src', `file://${images[src]}.png`);
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continue;
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}
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const file = new PassThrough();
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this.get(src).pipe(file);
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const fid = String.random(8);
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images[src] = fid;
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files[`${fid}.png`] = file;
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ele.setAttribute('src', `file://${fid}.png`);
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}
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const info = problemContent.children[1].children[0].children[0].innerHTML;
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const timeMatcher = /Time Limit: \d+\/(\d+) MS/;
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const time = info.match(timeMatcher)[1];
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const memoryMatcher = /Memory Limit: \d+\/(\d+) K/;
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const memory = info.match(memoryMatcher)[1];
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const title = problemContent.children[0].innerHTML;
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let tag = '';
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problemContent.remove();
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problemContent.remove();
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let html = '';
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let preId = 0;
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let markNext = '';
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let lastMark = '';
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for (const node of problemContent.children) {
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const tagName = node.tagName.toLowerCase();
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if (tagName === 'font' || tagName === 'h1' || tagName === 'center' || node.innerHTML === ' ') {
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continue;
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}
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if (node.getAttribute('align') === 'left') {
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lastMark = node.textContent;
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if (lastMark === 'Source') {
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tag = node.nextElementSibling.textContent.trim();
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node.nextElementSibling.innerHTML = tag;
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continue;
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}
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if (lastMark.startsWith('Sample ')) {
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if (lastMark.includes('Input')) {
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preId++;
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markNext = 'input';
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} else {
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markNext = 'output';
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}
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continue;
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}
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html += `<h2>${htmlEncode(node.innerHTML)}</h2>`;
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} else {
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if (lastMark.length === 0 || lastMark === 'Source' || node.innerHTML.length === 0) {
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continue;
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}
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if (lastMark === 'Sample Input' || lastMark === 'Sample Output') {
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html += `\n<pre><code class="language-${markNext}${preId}">${node.innerHTML}</code></pre>\n`;
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} else {
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html += node.innerHTML;
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}
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}
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}
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const tagList = (tag.length === 0) ? [] : [tag];
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return {
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title,
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data: {
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'config.yaml': Buffer.from(`time: ${time}ms\nmemory: ${memory}k\ntype: remote_judge\nsubType: hduoj\ntarget: ${id}`),
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},
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files,
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tag: tagList,
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content: html,
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};
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}
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async listProblem(page: number, resync = false) {
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if (resync && page > 1) return [];
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const { text } = await this.get(`/listproblem.php?vol=${page}`);
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const $dom = new JSDOM(text);
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const ProblemTable = $dom.window.document.querySelector('.table_text');
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const ProblemList = ProblemTable.querySelector('script').textContent;
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const matcher = /p\(\d+,(?<num>\d+),\d+,/g;
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let match = matcher.exec(ProblemList);
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const res = [];
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while (match != null) {
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res.push(`P${match[1]}`);
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match = matcher.exec(ProblemList);
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}
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return res;
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}
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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async submitProblem(id: string, lang: string, code: string, info) {
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await this.ensureLogin();
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const language = lang.includes('hduoj.') ? lang.split('hduoj.')[1] : '0';
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code = Buffer.from(encodeURIComponent(code)).toString('base64');
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const { text } = await this.post('/submit.php?action=submit')
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.set('referer', `http://acm.hdu.edu.cn/submit.php?pid=${id.split('P')[1]}`)
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.send({
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check: 0,
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_usercode: code,
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problemid: id.split('P')[1],
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language,
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});
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if (text.includes('One or more following ERROR(s) occurred.')) {
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throw new Error(text.split('<li>')[1].split('</li>')[0]);
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}
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// eslint-disable-next-line max-len
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const { text: status } = await this.get(`/status.php?first=&pid=${id}&user=${this.account.handle}&lang=${parseInt(language, 10) + 1}&status=0`);
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const $dom = new JSDOM(status);
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const res = $dom.window.document.querySelector('.table_text>tbody');
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return res.children[2].children[0].innerHTML;
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}
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async waitForSubmission(id: string, next, end) {
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while (true) {
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await sleep(3000);
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const { text } = await this.get(`/status.php?first=${id}`);
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const { window: { document } } = new JSDOM(text);
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const submission = document.querySelector('#fixed_table>table>tbody').children[2];
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const status = StatusMapping[submission.children[2].children[0].textContent.trim()]
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|| STATUS.STATUS_SYSTEM_ERROR;
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if (status === STATUS.STATUS_JUDGING) continue;
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if (status === STATUS.STATUS_COMPILE_ERROR) {
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const { text: info } = await superagent.get(`http://acm.hdu.edu.cn/viewerror.php?rid=${id}`)
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.buffer(true)
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.charset('gbk');
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const ceInfo = new JSDOM(info);
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await next({ compilerText: ceInfo.window.document.querySelector('table>tbody>tr>td>pre').innerHTML });
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return await end({
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status,
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score: 0,
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time: 0,
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memory: 0,
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});
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}
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const memory = parseMemoryMB(submission.children[5].innerHTML.trim() || 0) * 1024;
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const time = parseTimeMS(submission.children[4].innerHTML.trim() || 0);
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return await end({
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status,
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score: status === STATUS.STATUS_ACCEPTED ? 100 : 0,
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time,
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memory,
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});
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}
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}
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}
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