Roman Andreev wins Facebook hacker competition

Second prize and $ 2000 got Tomek Czajka from the USA, the third prize and $ 1000 got Tiancheng Lou from China.
In the final round of competition the participants managed to solve only one problem out of three proposed, and it took Roman Andreev 1 hour and 4 minutes to do it, just one minute faster than Tomek Czajka . The final round was preceded by four correspondence tours via the Internet. Overall, 8000 people applied for the competition, but only 25 reached the final: Facebook paid their way to California, where the final round on 17-18 March night Moscow time took place.
For the first time Facebook Hacker Cup was held in March 2011, a Russian Peter Mitrichev, a Mechmath graduate won a victory.