There is something really strange here.
At Rank-153 is user: uj2295
who apparently solved the 1st problem in negative time!
how the heck is this possible?

There is something really strange here.
At Rank-153 is user: uj2295
who apparently solved the 1st problem in negative time!
how the heck is this possible?

Its some bug. I have reported it to the codechef admins already.