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cases.ts
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cases.ts
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import fs from 'fs-extra';
import path from 'path';
import yaml from 'js-yaml';
import { Dictionary } from 'lodash';
import { FormatError, SystemError } from './error';
import { parseTimeMS, parseMemoryMB, ensureFile } from './utils';
interface Re0 {
reg: RegExp,
output: (a: RegExpExecArray) => string,
id: (a: RegExpExecArray) => number,
}
interface Re1 extends Re0 {
subtask: (a: RegExpExecArray) => number,
}
const RE0: Re0[] = [
{
reg: /^([a-z+_\-A-Z]*)([0-9]+).in$/,
output: (a) => `${a[1] + a[2]}.out`,
id: (a) => parseInt(a[2], 10),
},
{
reg: /^([a-z+_\-A-Z]*)([0-9]+).in$/,
output: (a) => `${a[1] + a[2]}.ans`,
id: (a) => parseInt(a[2], 10),
},
{
reg: /^([a-z+_\-A-Z0-9]*)\.in([0-9]+)$/,
output: (a) => `${a[1]}.ou${a[2]}`,
id: (a) => parseInt(a[2], 10),
},
{
reg: /^(input)([0-9]+).txt$/,
output: (a) => `output${a[2]}.txt`,
id: (a) => parseInt(a[2], 10),
},
{
reg: /^input\/([a-z+_\-A-Z]*)([0-9]+).in$/,
output: (a) => `output/${a[1] + a[2]}.out`,
id: (a) => parseInt(a[2], 10),
},
{
reg: /^input\/([a-z+_\-A-Z]*)([0-9]+).in$/,
output: (a) => `output/${a[1] + a[2]}.ans`,
id: (a) => parseInt(a[2], 10),
},
{
reg: /^input\/([a-z+_\-A-Z0-9]*)\.in([0-9]+)$/,
output: (a) => `output/${a[1]}.ou${a[2]}`,
id: (a) => parseInt(a[2], 10),
},
{
reg: /^input\/(input)([0-9]+).txt$/,
output: (a) => `output/output${a[2]}.txt`,
id: (a) => parseInt(a[2], 10),
},
];
const RE1: Re1[] = [
{
reg: /^([a-z+_\-A-Z]*)([0-9]+)-([0-9]+).in$/,
output: (a) => `${a[1] + a[2]}-${a[3]}.out`,
subtask: (a) => parseInt(a[2], 10),
id: (a) => parseInt(a[3], 10),
},
];
async function read0(folder: string, files: string[], checkFile) {
const cases = [];
for (const file of files) {
for (const REG of RE0) {
if (REG.reg.test(file)) {
const data = REG.reg.exec(file);
const c = { input: file, output: REG.output(data), id: REG.id(data) };
if (fs.existsSync(path.resolve(folder, c.output))) {
cases.push(c);
break;
}
}
}
}
cases.sort((a, b) => (a.id - b.id));
const extra = cases.length - (100 % cases.length);
const config = {
count: 0,
subtasks: [{
time_limit_ms: 1000,
memory_limit_mb: 256,
type: 'sum',
cases: [],
score: Math.floor(100 / cases.length),
}],
};
for (let i = 0; i < extra; i++) {
config.count++;
config.subtasks[0].cases.push({
id: config.count,
input: checkFile(cases[i].input),
output: checkFile(cases[i].output),
});
}
if (extra < cases.length) {
config.subtasks.push({
time_limit_ms: 1000,
memory_limit_mb: 256,
type: 'sum',
cases: [],
score: Math.floor(100 / cases.length) + 1,
});
for (let i = extra; i < cases.length; i++) {
config.count++;
config.subtasks[1].cases.push({
id: config.count,
input: checkFile(cases[i].input),
output: checkFile(cases[i].output),
});
}
}
return config;
}
async function read1(folder: string, files: string[], checkFile) {
const subtask = {};
const subtasks = [];
for (const file of files) {
for (const REG of RE1) {
if (REG.reg.test(file)) {
const data = REG.reg.exec(file);
const c = { input: file, output: REG.output(data), id: REG.id(data) };
if (fs.existsSync(path.resolve(folder, c.output))) {
if (!subtask[REG.subtask(data)]) {
subtask[REG.subtask(data)] = [{
time_limit_ms: 1000,
memory_limit_mb: 256,
type: 'min',
cases: [c],
}];
} else subtask[REG.subtask(data)].cases.push(c);
break;
}
}
}
}
for (const i in subtask) {
subtask[i].cases.sort((a, b) => (a.id - b.id));
subtasks.push(subtask[i]);
}
const base = Math.floor(100 / subtasks.length);
const extra = subtasks.length - (100 % subtasks.length);
const config = { count: 0, subtasks };
const keys = Object.keys(subtask);
for (let i = 0; i < keys.length; i++) {
if (extra < i) subtask[keys[i]].score = base;
else subtask[keys[i]].score = base + 1;
for (const j of subtask[keys[i]].cases) {
config.count++;
j.input = checkFile(j.input);
j.output = checkFile(j.output);
j.id = config.count;
}
}
return config;
}
async function readAutoCases(folder, { next }) {
const
config = {
checker_type: 'default',
count: 0,
subtasks: [],
judge_extra_files: [],
user_extra_files: [],
};
const checkFile = ensureFile(folder);
try {
const files = await fs.readdir(folder);
if (await fs.pathExists(path.resolve(folder, 'input'))) {
const inputs = await fs.readdir(path.resolve(folder, 'input'));
files.push(...inputs.map((i) => `input/${i}`));
}
if (await fs.pathExists(path.resolve(folder, 'output'))) {
const outputs = await fs.readdir(path.resolve(folder, 'output'));
files.push(...outputs.map((i) => `output/${i}`));
}
let result = await read0(folder, files, checkFile);
if (!result.count) result = await read1(folder, files, checkFile);
Object.assign(config, result);
next({ message: { message: 'Found {0} testcases.', params: config.count } });
} catch (e) {
throw new SystemError('Cannot parse testdata.', [e]);
}
return config;
}
export async function readYamlCases(folder: string, cfg: Dictionary<any> = {}, args) {
const config: any = {
checker_type: 'default',
count: 0,
subtasks: [],
judge_extra_files: [],
user_extra_files: [],
};
const next = args.next;
const checkFile = ensureFile(folder);
config.checker_type = cfg.checker_type || 'default';
if (cfg.checker) config.checker = checkFile(cfg.checker, 'Cannot find checker {0}.');
if (cfg.judge_extra_files) {
if (typeof cfg.judge_extra_files === 'string') {
config.judge_extra_files = [checkFile(cfg.judge_extra_files, 'Cannot find judge extra file {0}.')];
} else if (cfg.judge_extra_files instanceof Array) {
for (const file of cfg.judge_extra_files) {
config.judge_extra_files.push(checkFile(file, 'Cannot find judge extra file {0}.'));
}
} else throw new FormatError('Invalid judge_extra_files config.');
}
if (cfg.user_extra_files) {
if (typeof cfg.user_extra_files === 'string') {
config.user_extra_files = [checkFile(cfg.user_extra_files, 'Cannot find user extra file {0}.')];
} else if (cfg.user_extra_files instanceof Array) {
for (const file of cfg.user_extra_files) {
config.user_extra_files.push(checkFile(file, 'Cannot find user extra file {0}.'));
}
} else throw new FormatError('Invalid user_extra_files config.');
}
if (cfg.cases) {
config.subtasks = [{
score: parseInt(cfg.score, 10) || Math.floor(100 / config.count),
time_limit_ms: parseTimeMS(cfg.time),
memory_limit_mb: parseMemoryMB(cfg.memory),
cases: [],
type: 'sum',
}];
for (const c of cfg.cases) {
config.count++;
config.subtasks[0].cases.push({
input: checkFile(c.input, 'Cannot find input file {0}.'),
output: checkFile(c.output, 'Cannot find output file {0}.'),
id: config.count,
});
}
} else if (cfg.subtasks) {
for (const subtask of cfg.subtasks) {
const cases = [];
for (const c of subtask.cases) {
config.count++;
cases.push({
input: checkFile(c.input, 'Cannot find input file {0}.'),
output: checkFile(c.output, 'Cannot find output file {0}.'),
id: config.count,
});
}
config.subtasks.push({
score: parseInt(subtask.score, 10),
cases,
time_limit_ms: parseTimeMS(subtask.time || cfg.time),
memory_limit_mb: parseMemoryMB(subtask.memory || cfg.time),
});
}
} else {
const c = await readAutoCases(folder, { next });
config.subtasks = c.subtasks;
config.count = c.count;
}
return Object.assign(cfg, config);
}
function convertIniConfig(ini: string) {
const f = ini.split('\n');
const count = parseInt(f[0], 10);
const res = { subtasks: [] };
for (let i = 1; i <= count; i++) {
const [input, output, time, score, memory] = f[i].split('|');
const cur = {
cases: [{ input: `input/${input.toLowerCase()}`, output: `output/${output.toLowerCase()}` }],
score: parseInt(score, 10),
time: `${time}s`,
memory: '256m',
};
if (!Number.isNaN(parseInt(memory, 10))) cur.memory = `${Math.floor(parseInt(memory, 10) / 1024)}m`;
res.subtasks.push(cur);
}
return res;
}
function isValidConfig(config) {
if (config.count > 100) throw new FormatError('Too many testcases. Cancelled.');
let total_time = 0;
for (const subtask of config.subtasks) {
total_time += subtask.time_limit_ms * subtask.cases.length;
}
if (total_time > 60 * 1000) throw new FormatError('Total time limit longer than 60s. Cancelled.');
}
export default async function readCases(folder: string, cfg: Record<string, any> = {}, args) {
const iniConfig = path.resolve(folder, 'config.ini');
const yamlConfig = path.resolve(folder, 'config.yaml');
let config;
if (fs.existsSync(yamlConfig)) {
config = { ...yaml.safeLoad(fs.readFileSync(yamlConfig).toString()) as object, ...cfg };
} else if (fs.existsSync(iniConfig)) {
config = { ...convertIniConfig(fs.readFileSync(iniConfig).toString()), ...cfg };
} else config = cfg;
const result = await readYamlCases(folder, config, args);
isValidConfig(result);
return result;
}