用于OJ的排名解析，传递至后台处理
// ==UserScript==
// @license MIT
// @name CodeforcesRankParse
// @namespace http://tampermonkey.net/
// @version v0.1
// @description 用于OJ的排名解析，传递至后台处理
// @author chenyyy28
// @match https://codeforces.com/*/standings/*
// @match https://codeforces.com/*/standings
// @match https://codeforc.es/*/standings/*
// @match https://codeforc.es/*/standings
// @grant GM_xmlhttpRequest
// @grant GM_download
// ==/UserScript==
(function() {
'use strict';
var button = document.createElement("button"); //创建一个按钮
button.textContent = "解析排名"; //按钮内容
//button.style.width = "50px"; //按钮宽度
button.style.height = "17px"; //按钮高度
button.style.align = "center"; //文本居中
//button.style.background = "#e33e33"; //按钮底色
button.style.border = "1px solid black"; //边框属性
button.style.borderRadius = "4px"; //按钮四个角弧度
button.style.cursor = "pointer"
button.addEventListener("click", getRank) //监听按钮点击事件
let testNode = document.createElement("div")
testNode.style.height = "100%"
testNode.style.backgroundColor = "green"
testNode.innerHTML = "<h1>测试标题</h1>"
function getRank(){
let standings = document.querySelector(".standings tbody")
let problemNum = document.querySelector(".standings tr:nth-child(1)").children.length-4
let rank = []
let account = []
let accept = []
let accountMap = new Map()
for(let i = 1;i<standings.children.length-1;i++){
let row = standings.children[i]
rank.push(parseInt(row.querySelector("td:nth-child(1)").innerText))
account.push(row.querySelector("td:nth-child(2) a").innerText)
accept.push(parseInt(row.querySelector("td:nth-child(3)").innerText))
}
let participantNum = 0
for(let i = 0;i<rank.length;i++){
if(typeof rank[i] === 'number' && !isNaN(rank[i])){
participantNum++
}else {
break
}
}
let standingDetails = new Map()
let supplementNum = new Map()
let supplement = []
for(let i = 1;i <= participantNum;i++){
let row = standings.children[i]
accountMap.set(account[i-1],1)
let nowSolve = 0;
for(let j = 5;j<=4+problemNum;j++){
let cssSelector = "td:nth-child("+j.toString()+")"
let text =row.querySelector(cssSelector).innerText
if(text.includes("+")){
nowSolve = nowSolve+(1<<(j-5))
}
}
standingDetails.set(account[i-1],nowSolve)
}
for(let i = participantNum+1;i < standings.children.length-1;i++){
let row = standings.children[i]
let weight = standingDetails.get(account[i-1])
let res = 0
if(weight==undefined){
weight = 0
}
for(let j = 5;j<=4+problemNum;j++){
let cssSelector = "td:nth-child("+j.toString()+")"
let text =row.querySelector(cssSelector).innerText
if(text.includes("+")&&((weight&(1<<(j-5)))==0)){
res++
}
}
supplementNum.set(account[i-1],res)
}
for(let i = 0;i<participantNum;i++){
let num = supplementNum.get(account[i])
if(num==undefined){
supplement.push(0)
}else{
supplement.push(num)
}
}
let msg = "本次获取结果：\n"
let res = []
for(let i = 0;i<participantNum;i++){
let addMsg = account[i]+"\t：排名 "+rank[i].toString()+ "\t过题数 "+accept[i]+ "\t补题数 " +supplement[i]
msg = msg+addMsg+"\n"
let el = {
account: account[i],
rank: rank[i],
accept: accept[i],
supplement: supplement[i]
}
res.push(el)
}
let cnt = participantNum+1
for(let i = participantNum;i<account.length;i++){
if(accountMap.get(account[i])==undefined){
let addMsg = account[i]+"\t：排名 "+cnt+ "\t过题数 "+0+ "\t补题数 " +accept[i]
msg = msg+addMsg+"\n"
let el = {
account:account[i],
rank:cnt,
accept:0,
supplement:accept[i]
}
res.push(el)
cnt++;
}
}
console.log(res)
msg = msg + "请输入本次训练id\n 如果不清楚id，可以在管理系统查询"
let id = prompt(msg)
if(id!=null&&id!=""){
let url = prompt("请输入数据目标地址")
let req = {
id: id,
platform: "codeforces",
data:res
}
console.log(JSON.stringify(req))
GM_xmlhttpRequest({
method: "POST",
url: url,
headers: {
"Content-Type": "application/json"
},
data:JSON.stringify(req),
onload: function(response){
console.log("请求成功");
console.log(response.responseText);
},
onerror: function(response){
console.log(response);
}
});
}
}
var like_comment = document.querySelector('.datatable div:nth-child(5)'); //getElementsByClassName 返回的是数组，所以要用[] 下标
like_comment.appendChild(button); //把按钮加入到 x 的子节点中
})();