Use this for anything related to plagiarism - Reporting cheating, appeals, etc

There are multiple candidates I found with similar name, who posted exact same code on telegram and also submitted on codechef.

  1. Bashnu425
    CodeChef: Practical coding for everyone


Have look at B-Ashnu @ashnub425

He has actively taken part in the contest, at well, actively taken part in cheating.

Telegram group link : HEREHERE .

This account has solved more than 1000 problems, but what is use of it !!!

2)bipanshukumar

https://www.codechef.com/viewsolution/99783352

Check his code : here

@admin , @iceknight1093 ,

There should be one script written, which will take codes from telegram chats, and try to plagiarise against codes of submissions.

1 Like

Please use the plagiarism thread or send an email to the id given there for reporting people (also I have nothing to do with plag checking, no point in pinging me).

Hey @drexdelta my submission is considered as wrong answer not accepted for nopalindrome
I solved only one question on div2 check it plz remove it

you were actively seeking for solutions through out the contest. You get plagiarised for wrong submissions as well. Not just correct submissions. If you think that you didn’t anything wrong during the contest, then I got no words for you.

bipanshukumar and ashnub425 have been perma banned.

2 Likes

Thanks for reporting btw @drexdelta

It really helps to uproot the cheaters, and build a healthier coding environment and coding culture. Your efforts are highly appriciated.

Thank You
Regards
Naman Garg

1 Like

I don’t know any cheaters

I want to report a user on CodeChef who copied solutions from YouTube videos during the Starters 118 Division 4.

He has copied this solution:CodeChef: Practical coding for everyone completely 100% from this YouTube video: https://www.youtube.com/watch?v=qbXMINfMU4o

He has copied this solution:CodeChef: Practical coding for everyone completely 100% from this YouTube video: https://www.youtube.com/watch?v=UgonrTQG7VI

He has copied this solution:CodeChef: Practical coding for everyone completely 100% from this YouTube video: https://www.youtube.com/watch?v=XMxyuctlT6Y

He has copied this solution: CodeChef: Practical coding for everyone completely 100% from this YouTube video: https://www.youtube.com/watch?v=WJgosI3YWTE

His solution: CodeChef: Practical coding for everyone is not 100% copied but very similar to the solution shown in the YouTube video: https://www.youtube.com/watch?v=KFMc9x5OXNY

All of these videos were published while the contest was going on CodeChef, that is around 9 PM IST. He also changed his coding language from C++ to Python during the contest which is also suspicious.
@admin

Apart from the above mentioned YouTube channel, the solution: CodeChef: Practical coding for everyone also matches 100% with the solution circulated on the telegram group: HERE, during the contest.

The solution: CodeChef: Practical coding for everyone also matches with the solution circulated on the telegram group: HERE, during the contest.

I’m attaching the screenshots below.

There is a fair chance that the user is using Telegram and YouTube channels to copy solutions.


@admin

Even this code of another User: CodeChef: Practical coding for everyone, 100% matches the code: CodeChef: Practical coding for everyone of the above mentioned User copied from Telegram and YT channels during the contest as described above in detail.

Same goes for this solution: CodeChef: Practical coding for everyone by User, he has just changed the variable names.

Same goes for this solution: CodeChef: Practical coding for everyone by User, he has just changed the variable names.
@admin

There are many users in Division 4 that have exactly the same solution submitted for the problem: Problem Link.

Here are the solutions of different users, which are exactly similar:

https://www.codechef.com/viewsolution/1041483940

https://www.codechef.com/viewsolution/1041469590

https://www.codechef.com/viewsolution/1041477665

https://www.codechef.com/viewsolution/1041482388

https://www.codechef.com/viewsolution/1041488646

https://www.codechef.com/viewsolution/1041491416

https://www.codechef.com/viewsolution/1041483079

https://www.codechef.com/viewsolution/1041495966

https://www.codechef.com/viewsolution/1041497215

https://www.codechef.com/viewsolution/1041498209

https://www.codechef.com/viewsolution/1041494826

@admin

They are not the exactly the same @brightbluedot. Just same idea

an advice to codechef deploy a checker atleast for avoiding palagrim we could see that exactly same solutions are also passing the checker even the variable names are not been changed. i am sorry but it doesn’t give a good feeling as a contest giver but anyways if cheating happens or not i dont care i am here to increse my problem solving skills and rating are just a bonus for me personally…
but you can use accuracy for that checking even as if a question accuracy percentage is stagnant for around 5 percent for whole contest but in the end it 10 min or the time it start to increseing abruptly there might be chances that solution is available to the public . suppose it reached to 20 percent then there might be something fishy going on…

These are the contestants with same solution for this problem in div-2.
We can clearly understand that these contestants have cheated.
Here are are some of the solutions:
https://www.codechef.com/viewsolution/1055568620
https://www.codechef.com/viewsolution/1055568454
https://www.codechef.com/viewsolution/1055567818
https://www.codechef.com/viewsolution/1055568147
https://www.codechef.com/viewsolution/1055567699
https://www.codechef.com/viewsolution/1055567029
https://www.codechef.com/viewsolution/1055566523
https://www.codechef.com/viewsolution/1055565747
https://www.codechef.com/viewsolution/1055562279

@admin

1 Like

there should be more of it

some more cheaters:
https://www.codechef.com/viewsolution/1055558750
https://www.codechef.com/viewsolution/1055557793
https://www.codechef.com/viewsolution/1055553181
https://www.codechef.com/viewsolution/1055552556
https://www.codechef.com/viewsolution/1055550560
https://www.codechef.com/viewsolution/1055549545
https://www.codechef.com/viewsolution/1055547812 Adding some lines to the code that are not at all related to the solution.
https://www.codechef.com/viewsolution/1055547719
https://www.codechef.com/viewsolution/1055546962

https://www.codechef.com/viewsolution/1055543057
https://www.codechef.com/viewsolution/1055541238
https://www.codechef.com/viewsolution/1055540194
https://www.codechef.com/viewsolution/1055537647
There are many more…

They think we are stupid.
I bet they don’t even know what or why is that “x” variable is for.

Solution: 1055568970 (codechef.com)
Solution: 1055568835 (codechef.com)
Solution: 1055568549 (codechef.com)
Solution: 1055568268 (codechef.com)
Solution: 1055568268 (codechef.com)
Solution: 1055567954 (codechef.com)
Solution: 1055567386 (codechef.com)
Solution: 1055567224 (codechef.com)
Solution: 1055567222 (codechef.com)
Solution: 1055567112 (codechef.com)
Solution: 1055567082 (codechef.com)
Solution: 1055567059 (codechef.com)
Solution: 1055566818 (codechef.com)
Solution: 1055566189 (codechef.com)
Solution: 1055566107 (codechef.com)
Solution: 1055566097 (codechef.com)
Solution: 1055566008 (codechef.com)
Solution: 1055565698 (codechef.com)
Solution: 1055565656 (codechef.com)

One would say that a 3* don’t need to cheat, but holy!

I mean, they don’t know that a syntax tree will detect similarities despite the name of the variables??
The code is absolutely redundant lol

Solution: 1056558904 (codechef.com)
Solution: 1056555625 (codechef.com)
Solution: 1056558578 (codechef.com)
Solution: 1056559810 (codechef.com)
Solution: 1056559792 (codechef.com)
Solution: 1056559688 (codechef.com)
Solution: 1056559683 (codechef.com)
Solution: 1056559681 (codechef.com)
Solution: 1056559644 (codechef.com)
Solution: 1056559299 (codechef.com)
Solution: 1056559176 (codechef.com)
Solution: 1056559220 (codechef.com)
Solution: 1056559087 (codechef.com)

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