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Add the "score table" to Codeforces in practice/virtual contest
// ==UserScript==
// @name CF-problem-score-table
// @version 0.0.1
// @description Add the "score table" to Codeforces in practice/virtual contest
// @match *://codeforces.com/contest/*
// @grant GM_getValue
// @grant GM_setValue
// @namespace https://greasyfork.org/users/410786
// ==/UserScript==
(async function(){
const contestId=location.pathname.match('^/contest/(\\d+)')[1]
let problems
// stored value: [] for educational rounds, list of [index, points] otherwise
if(GM_getValue('problem_score_'+contestId)!==undefined){
problems=JSON.parse(GM_getValue('problem_score_'+contestId))
if(problems.length>0&&problems[0][1]===null){ // fix a bug in previous version
problems=[]
GM_setValue('problem_score_'+contestId,JSON.stringify(problems))
}
}else{
const data=await $.get(`/api/contest.standings?contestId=${contestId}&from=1&count=1`)
if(data.status!=='OK'){
console.log('Failed: ',data)
return
}
problems=[]
for(let problem of data.result.problems){
if(!('points' in problem)){ // educational contest
break
}
problems.push([problem.index,problem.points])
}
problems.sort()
GM_setValue('problem_score_'+contestId,JSON.stringify(problems))
}
if(problems.length==0)
return
//let lastDark=problems.length%2!=0 // more consistent with Codeforces (according to
// http://web.archive.org/web/20160123153752/http://codeforces.com/contest/617), but is not as beautiful
// because the header row is light.
let lastDark=false
function lastDarkState(){
return lastDark?'dark':''
}
function nextDarkState(){
lastDark=!lastDark
return lastDarkState()
}
// Thanks to the Internet Archive, I could get the "score table" HTML source without waiting for a real
// contest. I just go to http://web.archive.org/web/*/https://codeforces.com/contest/*, then filter by
// 'contest/' and sort by unique.
// The page with the maximum unique count must have the score table.
//
// Taken from page: http://web.archive.org/web/20151230151115/http://codeforces.com/contest/611
// (or http://web.archive.org/web/20160123153752/http://codeforces.com/contest/617 for Russian version)
//
// Currently only English is supported, but it's trivial to add the Russian version.
let problemsHTML=String.raw`
<div class="roundbox sidebox" style="">
<div class="roundbox-lt"> </div>
<div class="roundbox-rt"> </div>
<div class="caption titled">→ Score table
<div class="top-links">
</div>
</div>
<table class="rtable ">
<tbody>
<tr>
<th class="left" style="width:100%;"></th>
<th class="" style="width:8em;">Score</th>
</tr>
`
for(let [index,score] of problems){
problemsHTML+=String.raw`
<tr>
<td class="left ${nextDarkState()}"><a href="/contest/${contestId}/problem/${index}">Problem ${index}</a></td>
<td class=" ${lastDarkState()}">${score}</td>
</tr>
`
}
problemsHTML+=String.raw`
<tr>
<td class="left ${nextDarkState()}"><span style="color:green;">Successful hack</span></td>
<td class=" ${lastDarkState()}">100</td>
</tr>
<tr>
<td class="left ${nextDarkState()}"><span style="color:red;">Unsuccessful hack</span></td>
<td class="${lastDarkState()}">-50</td>
</tr>
<tr>
<td class="left ${nextDarkState()}"><span style="color:black;">Unsuccessful submission</span></td>
<td class="${lastDarkState()}">-50</td>
</tr>
<tr>
<td class="left bottom ${nextDarkState()}"><span style="color:black;">Resubmission</span></td>
<td class="bottom ${lastDarkState()}">-50</td>
</tr>
</tbody>
</table>
</div>
`
$('#sidebar').append(problemsHTML)
$('#sidebar').append(String.raw`
<div style="text-align:right; position:relative;bottom:1.75em;">
<span class="small" style="color:gray;">* If you solve problem on 00:00 from the first attempt</span>
</div>
`)
})()