Have a look at these solutions of EVENM
Solution1: CodeChef: Practical coding for everyone
Solution2 :
https://www.codechef.com/viewsolution/34142561
These 2 solutions are exactly same only difference is that there is a separate function in one of the solutions
Pls see to it @admin
and take a necessary action
Ideally, if you want to report that some users have cheated, or if you want to appeal against having been caught for plagiarism, you should only send an email to help@codechef.com , and wait for a few weeks to get a reply.
But despite this instruction, if you do feel that you need to say something publicly, you can use this topic. Any other new topic that you start related to this will be closed, and you will also risk getting suspended.