for example
https://www.codechef.com/viewsolution/48188155
https://www.codechef.com/viewsolution/48224779
https://www.codechef.com/viewsolution/48191239
they will copy but still write BIG THINGS in their profile, I don’t know what is the origin but I have seen this solution many places, please do something
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Actually this one we cant judge because the way its coded that’s the idea itself. But if you want to really talk about cheating just look at the solutions for problem 4. Its copied variable by variable.
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But it’s copied code line by line , and if you go to their profile even no. 4 is copied
Now he has changed his college name in his codechef profile. Made Netaji Subhas University of Technology Dwarka, Delhi, India from Netaji Subhash Engineering College. 
I have gone through some of the accounts and some of them just joined the competing CodeChef contest this June only and they have solved 4 questions in Div 2 with 100% accuracy (especially where 3 was easy but observation in avg should take 2-3 trails if you first try to solve mathematically ) and no.4 which was a good problem.
#GoodLuck cheaters have a nice sleep with all those cheated points
he blocked me on linkedin , ese to mere connections kam ho jaayenge 
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Bro post in on linkedin with proof. U have good number of followers.
Then this type of people will understand. He has cheated in codeforces too and became expert. Then bragged on linkedin. Sameway he became 5 star on codechef by cheating and again bragged in linkedin.
4airw6U.png (1919×910) (imgur.com)
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As for CF ratings are considered its quite good. But in the last few rounds there have been massive cheating on CF platforms too. I mean CF round 726 and 727 almost 70% of problem solution were leaked online in the 1st 1hr on Youtube. That may explain him reaching Expert on CF
Personal submissions - Codeforces
I mean i don’t know how someone has a courage to post on linkedin after cheating, he just copied without putting any effort from his side and then bragging .
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Maybe if u are confident that he cheats you should flag his submissions on CF too. It actually works very well I have flagged many people malicious practices in CF too
Yeah thats what I said cheating for prob 4 can be caught but this one i think we can give benfit of doubt since that was the only way to solve the problem. We only needed to see if B is power of 2 which can be coded in similar ways by many people.
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Profile : akshatj07 | CodeChef User Profile for Akshat Jindal | CodeChef (CC chapter member , NIT-J)
Cheating in June cook off (Binary string on steroids) : 47992899
Cheating in June Lunch time(TIC-TAC-TOE) : 48209458
----------------Linkedin Post-----------------
@hari_2666 @just4reporting
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Cheater’s onsite interview -
Interviewer : * Gives a DSA based problem *.
Cheater : Sir, can I open Youtube/Telegram to see the solution?
Interviewer : * kicks him out of the office! *
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There is one more solution which I found to be used by many participants. Most of the solutions are one of the two. This is really disheartening to see where the Code Chef is going.
I don’t know What the hell is going on. They aren’t even reading the solution. All of them included the header file twice with other optimizations. This clearly shows that the level of cheating has crossed it’s limit.
I think genuine contestant would be happy with delayed results if codechef does plagiarism checks on its monthly contests.
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Hi ! Can you please explain what is the use of these extra variables in your code ?