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import fs from 'fs-extra';
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import path from 'path';
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import yaml from 'js-yaml';
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import { Dictionary } from 'lodash';
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import { FormatError, SystemError } from './error';
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import { parseTimeMS, parseMemoryMB, ensureFile } from './utils';
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interface Re0 {
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reg: RegExp,
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output: (a: RegExpExecArray) => string,
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id: (a: RegExpExecArray) => number,
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}
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interface Re1 extends Re0 {
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subtask: (a: RegExpExecArray) => number,
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}
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const RE0: Re0[] = [
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{
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reg: /^([a-z+_\-A-Z]*)([0-9]+).in$/,
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output: (a) => `${a[1] + a[2]}.out`,
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id: (a) => parseInt(a[2], 10),
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},
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{
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reg: /^([a-z+_\-A-Z]*)([0-9]+).in$/,
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output: (a) => `${a[1] + a[2]}.ans`,
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id: (a) => parseInt(a[2], 10),
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},
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{
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reg: /^([a-z+_\-A-Z0-9]*)\.in([0-9]+)$/,
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output: (a) => `${a[1]}.ou${a[2]}`,
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id: (a) => parseInt(a[2], 10),
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},
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{
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reg: /^(input)([0-9]+).txt$/,
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output: (a) => `output${a[2]}.txt`,
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id: (a) => parseInt(a[2], 10),
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},
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{
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reg: /^input\/([a-z+_\-A-Z]*)([0-9]+).in$/,
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output: (a) => `output/${a[1] + a[2]}.out`,
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id: (a) => parseInt(a[2], 10),
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},
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{
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reg: /^input\/([a-z+_\-A-Z]*)([0-9]+).in$/,
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output: (a) => `output/${a[1] + a[2]}.ans`,
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id: (a) => parseInt(a[2], 10),
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},
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{
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reg: /^input\/([a-z+_\-A-Z0-9]*)\.in([0-9]+)$/,
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output: (a) => `output/${a[1]}.ou${a[2]}`,
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id: (a) => parseInt(a[2], 10),
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},
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{
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reg: /^input\/(input)([0-9]+).txt$/,
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output: (a) => `output/output${a[2]}.txt`,
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id: (a) => parseInt(a[2], 10),
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},
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];
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const RE1: Re1[] = [
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{
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reg: /^([a-z+_\-A-Z]*)([0-9]+)-([0-9]+).in$/,
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output: (a) => `${a[1] + a[2]}-${a[3]}.out`,
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subtask: (a) => parseInt(a[2], 10),
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id: (a) => parseInt(a[3], 10),
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},
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];
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async function read0(folder: string, files: string[], checkFile) {
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const cases = [];
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for (const file of files) {
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for (const REG of RE0) {
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if (REG.reg.test(file)) {
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const data = REG.reg.exec(file);
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const c = { input: file, output: REG.output(data), id: REG.id(data) };
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if (fs.existsSync(path.resolve(folder, c.output))) {
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cases.push(c);
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break;
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}
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}
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}
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}
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cases.sort((a, b) => (a.id - b.id));
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const extra = cases.length - (100 % cases.length);
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const config = {
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count: 0,
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subtasks: [{
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time_limit_ms: 1000,
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memory_limit_mb: 256,
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type: 'sum',
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cases: [],
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score: Math.floor(100 / cases.length),
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}],
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};
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for (let i = 0; i < extra; i++) {
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config.count++;
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config.subtasks[0].cases.push({
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id: config.count,
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input: checkFile(cases[i].input),
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output: checkFile(cases[i].output),
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});
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}
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if (extra < cases.length) {
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config.subtasks.push({
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time_limit_ms: 1000,
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memory_limit_mb: 256,
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type: 'sum',
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cases: [],
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score: Math.floor(100 / cases.length) + 1,
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});
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for (let i = extra; i < cases.length; i++) {
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config.count++;
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config.subtasks[1].cases.push({
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id: config.count,
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input: checkFile(cases[i].input),
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output: checkFile(cases[i].output),
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});
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}
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}
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return config;
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}
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async function read1(folder: string, files: string[], checkFile) {
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const subtask = {};
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const subtasks = [];
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for (const file of files) {
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for (const REG of RE1) {
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if (REG.reg.test(file)) {
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const data = REG.reg.exec(file);
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const c = { input: file, output: REG.output(data), id: REG.id(data) };
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if (fs.existsSync(path.resolve(folder, c.output))) {
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if (!subtask[REG.subtask(data)]) {
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subtask[REG.subtask(data)] = [{
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time_limit_ms: 1000,
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memory_limit_mb: 256,
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type: 'min',
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cases: [c],
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}];
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} else subtask[REG.subtask(data)].cases.push(c);
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break;
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}
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}
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}
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}
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for (const i in subtask) {
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subtask[i].cases.sort((a, b) => (a.id - b.id));
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subtasks.push(subtask[i]);
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}
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const base = Math.floor(100 / subtasks.length);
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const extra = subtasks.length - (100 % subtasks.length);
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const config = { count: 0, subtasks };
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const keys = Object.keys(subtask);
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for (let i = 0; i < keys.length; i++) {
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if (extra < i) subtask[keys[i]].score = base;
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else subtask[keys[i]].score = base + 1;
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for (const j of subtask[keys[i]].cases) {
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config.count++;
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j.input = checkFile(j.input);
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j.output = checkFile(j.output);
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j.id = config.count;
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}
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}
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return config;
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}
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async function readAutoCases(folder, { next }) {
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const
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config = {
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checker_type: 'default',
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count: 0,
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subtasks: [],
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judge_extra_files: [],
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user_extra_files: [],
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};
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const checkFile = ensureFile(folder);
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try {
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const files = await fs.readdir(folder);
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if (await fs.pathExists(path.resolve(folder, 'input'))) {
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const inputs = await fs.readdir(path.resolve(folder, 'input'));
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files.push(...inputs.map((i) => `input/${i}`));
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}
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if (await fs.pathExists(path.resolve(folder, 'output'))) {
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const outputs = await fs.readdir(path.resolve(folder, 'output'));
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files.push(...outputs.map((i) => `output/${i}`));
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}
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let result = await read0(folder, files, checkFile);
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if (!result.count) result = await read1(folder, files, checkFile);
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Object.assign(config, result);
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next({ message: `识别到${config.count}个测试点` });
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} catch (e) {
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throw new SystemError('在自动识别测试点的过程中出现了错误。', [e]);
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}
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return config;
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}
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export async function readYamlCases(folder: string, cfg: Dictionary<any> = {}, args) {
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const config: any = {
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checker_type: 'default',
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count: 0,
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subtasks: [],
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judge_extra_files: [],
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user_extra_files: [],
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};
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const next = args.next;
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const checkFile = ensureFile(folder);
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config.checker_type = cfg.checker_type || 'default';
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if (cfg.checker) config.checker = checkFile(cfg.checker, '找不到比较器 ');
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if (cfg.judge_extra_files) {
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if (typeof cfg.judge_extra_files === 'string') {
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config.judge_extra_files = [checkFile(cfg.judge_extra_files, '找不到评测额外文件 ')];
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} else if (cfg.judge_extra_files instanceof Array) {
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for (const file of cfg.judge_extra_files) {
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config.judge_extra_files.push(checkFile(file, '找不到评测额外文件 '));
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}
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} else throw new FormatError('无效的 judge_extra_files 配置项');
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}
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if (cfg.user_extra_files) {
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if (typeof cfg.user_extra_files === 'string') {
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config.user_extra_files = [checkFile(cfg.user_extra_files, '找不到用户额外文件 ')];
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} else if (cfg.user_extra_files instanceof Array) {
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for (const file of cfg.user_extra_files) {
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config.user_extra_files.push(checkFile(file, '找不到用户额外文件 '));
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}
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} else throw new FormatError('无效的 user_extra_files 配置项');
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}
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if (cfg.cases) {
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config.subtasks = [{
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score: parseInt(cfg.score, 10) || Math.floor(100 / config.count),
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time_limit_ms: parseTimeMS(cfg.time),
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memory_limit_mb: parseMemoryMB(cfg.memory),
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cases: [],
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type: 'sum',
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}];
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for (const c of cfg.cases) {
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config.count++;
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config.subtasks[0].cases.push({
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input: checkFile(c.input, '找不到输入文件 '),
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output: checkFile(c.output, '找不到输出文件 '),
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id: config.count,
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});
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}
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} else if (cfg.subtasks) {
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for (const subtask of cfg.subtasks) {
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const cases = [];
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for (const c of subtask.cases) {
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config.count++;
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cases.push({
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input: checkFile(c.input, '找不到输入文件 '),
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output: checkFile(c.output, '找不到输出文件 '),
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id: config.count,
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});
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}
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config.subtasks.push({
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score: parseInt(subtask.score, 10),
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cases,
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time_limit_ms: parseTimeMS(subtask.time || cfg.time),
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memory_limit_mb: parseMemoryMB(subtask.memory || cfg.time),
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});
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}
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} else {
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const c = await readAutoCases(folder, { next });
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config.subtasks = c.subtasks;
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config.count = c.count;
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}
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return Object.assign(cfg, config);
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}
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function convertIniConfig(ini: string) {
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const f = ini.split('\n');
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const count = parseInt(f[0], 10);
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const res = { subtasks: [] };
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for (let i = 1; i <= count; i++) {
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const [input, output, time, score, memory] = f[i].split('|');
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const cur = {
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cases: [{ input: `input/${input.toLowerCase()}`, output: `output/${output.toLowerCase()}` }],
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score: parseInt(score, 10),
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time: `${time}s`,
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memory: '256m',
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};
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if (!Number.isNaN(parseInt(memory, 10))) cur.memory = `${Math.floor(parseInt(memory, 10) / 1024)}m`;
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res.subtasks.push(cur);
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}
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return res;
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}
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function isValidConfig(config) {
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if (config.count > 100) throw new FormatError('测试数据组数过多，拒绝评测');
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let total_time = 0;
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for (const subtask of config.subtasks) {
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total_time += subtask.time_limit_ms * subtask.cases.length;
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}
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if (total_time > 60 * 1000) throw new FormatError('总时限超过限制60s，拒绝评测');
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}
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export default async function readCases(folder: string, cfg: Record<string, any> = {}, args) {
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const iniConfig = path.resolve(folder, 'config.ini');
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const yamlConfig = path.resolve(folder, 'config.yaml');
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let config;
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if (fs.existsSync(yamlConfig)) {
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config = { ...yaml.safeLoad(fs.readFileSync(yamlConfig).toString()) as object, ...cfg };
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} else if (fs.existsSync(iniConfig)) {
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config = { ...convertIniConfig(fs.readFileSync(iniConfig).toString()), ...cfg };
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} else config = cfg;
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const result = await readYamlCases(folder, config, args);
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isValidConfig(result);
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return result;
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}
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