I just checked again and I can confirm A LOT of the solutions for CRDFLP (div2) are copied.
No wonder how successful submissions doubled in the last 20 mins of the contest.
It will be very easy to spot cheaters because all the cheaters have gathered on this problem. Please take action against these people.
why did u delete it… Let everyone know about these people
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What a joke, I mean seriously. People seem to get away by cheating as if it’s nothing. Screw you cheaters. Why do we work hard? Just for you to cheat and steal our rating? I’m 1900 on my main and I struggle to become yellow because of such people. I hope they don’t get any job, they are ruining competitive programming. I wasn’t able to solve div2 C today, and the submissions skyrocketed in the last hour. What do you get by cheating? It isn’t cool. Stop being a jerk.
But you know what is a bigger joke? Codechef’s plagiarism check. Seriously? You guys don’t seem to care about anything. Your platform is being ruined by idiots who can’t solve problems and all you do is promote cheating by giving gift cards? No ban hammer, no rating drop, but instead a ducking gift card. Wow. You guys are doing the opposite of what you should be doing. This was my last contest on this platform, and I didn’t think I’d leave codechef on a bad note. Thanks for ruining my day. There are better websites like Codeforces and Atcoder.
You’re not allowed to have opinions about cheating when you’re a cheater yourself.
Your code for MAXTOPO: code
Some other cheater’s code: code
Why codechef Why ?
Yeah I know. But now i don’t .
I went from 850 to 1300 in last 20 minutes today because someone released the solutions of problem 3 on youtube. This is so demotivating. Codechef should take action against cheaters.
The solution to this problem was leaked on youtube 20 mins before the contest ended.
Youtube video link: Magical Flips Codechef answer - YouTube
User leaking the solutions: trivedi2u (as visible in the video itself)
This guy has been shamelessly leaking solutions since many contests. Report the channel and shut the hell out of it.
Today I saw a lot of plagiarism in the problem Magical flip in the august starters.
This demotivated me to solve problems on this platform.
I hope strict actions will be taken.
I request everyone in the community not to do this sort of activities for the sake of rating.
yeah, somebody even posted solution on youtube. 
How do you know that there was a lot of plagiarism ?
Heres the video solution that was posted while the contest was going on Magical Flips Codechef answer - YouTube
i was so surprised when i saw submissions doubled last half an hour…and I was feeling so dumb , because i couldn’t solve it…
…
(but now i see the probable reason 
)
Be fast than cheaters!
I’m sorry if this sounds rude, but this is only possible way to avoid it. I was also at your place sometime, and it feels real bad, but as until CodeChef is not bringing MOSS back, this is the only option (except making all contests unrated).
So many plagiarisms for the Magical flip problem in august starters. Please look into it.
I was not able to completely solve that problem so I looked into the solutions after the contest and all the solutions I saw even have the same comments and same variable names. I checked around 20 solutions and there were 100% same not a single dot difference. @digon
Absolutely correct , from the past few months i solve decent amount of problems in div 2 rounds but I was not getting rank high enough because i was slower than this cheaters but Today i solved the third problem faster than the cheaters and secured a good rank to be able to reach 4* for the first time and it feels so good I don’t know what this cheaters get or what are they trying to prove but from now on I won’t get distracted by this losers and keep on working hard to be ahead of this cheaters. Don’t let this cheaters get in your way!
I have read many opinions here of higher-rated programmers where they say, one should not focus on the cheating aspect and instead work hard and try to improve. Cheating frustrates those people more whose rankings are affected the most (i think it’s lower to middle range of ratings where cheating is happening more). I guess, most of those higher-rated programmers might not have the same opinion if high level of cheating was happening at their rating range.
While I agree, it is not a bad thing to tell people to focus on one’s own skill development, it is also not a good situation if cheating is so convenient and rewarding.
Contests have a value, also because there is a rating/reward system attached to them among other aspects. When cheating increases, the perceived value of the rating decreases, and with it, maybe the motivation to attain a higher rating decreases for a lot of people.
Having said that, I don’t know how to rate the current state of CodeChef. It’s not absolutely terrible but it does seem bad for sure. Something must be done to make plagiarism difficult, or people will move to other platforms where the rating has a higher value. And if, codechef get’s a bad rep among the companies that value these ratings and stars for their hiring process, then that’s a really bad place to be in.