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const MAX_SIZE = 5

let a = [5, 4, 3, 2, 1],
  b = [],
  c = [];

let abc = {
  a,
  b,
  c

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function ABMN(AP, PB, AR, RC) {
  let a1 = AP + PB,
    a2 = AR + RC,
    k1 = PB / a1,
    k2 = RC / a2,
    d = a1 ** 2 - a2 ** 2;

  let M = ((k1 * a1) ** 2 - (k2 * a2) ** 2 - (k1 + k2) * d / 2) / (k1 - k2) / 2;

  let A = (d + 4 * M) / a1 / 4,

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function add_table_of_contents() {
  let ul = $('<ul class="table-of-contents">'),
    lis = '';
  $('#documenter-page article.docstring>header').each(function(index, e) {

    let link = $(this).find('a').attr('href');
    let link_html = `<li><a href='${link}'>${$(this).text()}</a></li>`
    //console.log(link_html)
    lis += link_html;
  })

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//the list is created from https://github.com/curl/curl/wiki/DNS-over-HTTPS#publicly-available-servers
let dohs = ["https://adguard.abd.ong/dns-query",
"https://dns.abdullahabas.de/dns-query",
"https://abel.waringer-atg.de/dns-query",
"https://adl.adfilter.net/dns-query",
"https://per.adfilter.net/dns-query",
"https://syd.adfilter.net/dns-query",
"https://dns.adguard-dns.com/dns-query",
"https://family.adguard-dns.com/dns-query",
"https://unfiltered.adguard-dns.com/dns-query",

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{
  "is_find": true,
  "red_path": [
    0,
    0,
    2,
    0,
    2,
    4,
    6

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function r(a, b) {
  return Math.floor(Math.random() * (b - a)) + a;
}

function all_equal(arr){
  for (let i = 1; i < 6; i++) {
    if(arr[i] !== arr[0]) return false;
  }
  return true;
}

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//https://github.com/Hopsken/openai-api-proxy
const upstream = 'https://api.openai.com'

export interface Env {
  OPENAI_API_KEY: string
}

export default {
  async fetch(
    request: Request,

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//https://developer.mozilla.org/en-US/docs/Web/API/Blob
//https://stackoverflow.com/questions/18650168/convert-blob-to-base64
function BlobToBase64(blob) {
  return new Promise((resolve, _) => {
    const reader = new FileReader();
    reader.onloadend = () => resolve(reader.result);
    reader.readAsDataURL(blob);
  });
}

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var count = 0;

function quicksort(arr) {

  let length = arr.length,
    pos = Math.floor(Math.random() * length); //pick a random index position

  if (length <= 1) return arr;
  //if (++count > 10) return console.log('error');

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function create_edge_TTS({ timeout = 10, auto_reconnect = true } = {}) {

    const TRUSTED_CLIENT_TOKEN = "6A5AA1D4EAFF4E9FB37E23D68491D6F4";
    const VOICES_URL = `https://speech.platform.bing.com/consumer/speech/synthesize/readaloud/voices/list?trustedclienttoken=${TRUSTED_CLIENT_TOKEN}`;
    const SYNTH_URL = `wss://speech.platform.bing.com/consumer/speech/synthesize/readaloud/edge/v1?TrustedClientToken=${TRUSTED_CLIENT_TOKEN}`;
    const BINARY_DELIM = "Path:audio\r\n";
    const VOICE_LANG_REGEX = /\w{2}-\w{2}/;

    let _outputFormat = "audio-24khz-48kbitrate-mono-mp3";
    let _voiceLocale = 'zh-CN',