Seems like plenty of fake codechef profiles have been made recently.
Some of them are:
and many more…
it’s pretty obvious they are cheating in the ongoing competition Prometheus 2014 which is quite evident with their solutions all together for this question: http://www.codechef.com/PRMT2014/problems/PROM02
And thats’s not it…
They are posting there solutions in the comments which can be seen here: http://www.codechef.com/APRIL14/problems/CNPIIM
I request the admin to please look into the matter.