The problem Euler totient function in Spoj is not opening.
Can someone tell is it under maintenance
ETF seems to have gone.
This could be one of the problem that explains what-happened-to-my-ranking-and-my-ac-problems.
I emailed SPOJ to let them know.
thanks a lot bro
ETF is back - it was accidentally hidden by the problem author. Spoj Admin are now trying to identify other problems recently hidden.
ok bro thanks alot