Renat Mullakhanov (rem), one of the most talented programmers in the world, passed away on March 11, 2011. This is very sad news for all of us. His team went to ACM ICPC World Finals - 2004, placed 4th and won gold medals. He really was a great programmer. May he rest in peace. This contest is dedicated to him.

The things you should know:

Scroll down to see the Problemset.
Judge is a Pentium 4, 2.8GH Computer.
If you have trouble viewing HTML, view the PDF files.
For all problems assume pi=2*acos(0) or pi=2*cos_inverse(0).
The Contest duration may be increased for our mistakes or to give people more Time to Practice.
To send clarification send mail to clarify@acm.uva.es
The Clarification replies will be given via email. But it may also be put in the Clarification Board if it is of general interest.
Please look at the Real Time Clarification Board for any correction notice.

Problem Set

Click here to get the whole pdf problemset

Problem Name	PDF	Problem Setter
A - Story of Tomisu Ghost	(PDF)	Shahriar Manzoor
B - Fukushima Nuclear Blast	(PDF)	Jane Alam Jan
C - Hamming Base	(PDF)	Abdullah Al Mahmud
D - Mad Scientist	(PDF)	Kazi Rakibul Hossain
E - Corrupted Friendship	(PDF)	Shahriar Rouf Nafi
F - Fantasy Cricket	(PDF)	Md. Arifuzzaman Arif
G - Weird Advertisement	(PDF)	Jane Alam Jan
H - A Change in Thermal Unit	(PDF)	Shamim Hafiz
I - Prime Independence	(PDF)	Abdullah Al Mahmud
J - Save from Radiation	(PDF)	Md. Mahbubul Hasan

Thanks to

Thanks to Prof. William B. Poucher, Prof. Miguel A. Revilla, Prof. Gordon V. Cormack, Prof. Dick Rinewalt, Prof. M. Kaykobad, Rezaul Alam Chowdhury, Carlos, Ciriaco Garcia De Celis, Fernando P. Najera Cano, other ACM Valladolid Online Judge Team Members and above all our families and well wishers.

- ACM Valladolid On-line Judge team

For any comments, suggestions please mail to contest@acm.uva.es.