2007-11-10 23:34:34 Problems Available in Main Classical by Chen Xiaohong
You can solve the problems in classical now.

2007-11-10 00:00:00 Contest Extended!! by Chen Xiaohong
Due to the difficulty of the problems, the contest has been extended to 20:00GMT (21:00 SPOJ Time) to allow more time for the problems. Also note that in "Moving Pebbles", the number of stones in each pile can be arbitrarily large.

2007-11-05 00:00:00 Come and Try the Olympic Cup by Chen Xiaohong
The contest is on 11/10 from 8 GMT to 12 GMT (9 to 13 SPOJ Time). There are 6 challenging problems from our Olympic training program in Sichuan, China.

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