Yandex.Agorithm 2014 - qualification round on May 25

Welcome to Yandex.Algorithm 2014, an open programming championship with original rules, prizes, monetary awards and an exciting final round in Berlin.

To advance to the elimination stage of the competition you need to register and solve at least one problem during the qualification round that will start on May 25.
The elimination stage consists of three rounds, with each round starting at a different time to give contestants from each time zone the opportunity to choose a comfortable participation time. Participants of the elimination stage earn score points based on their performance in each elimination round according to the Grand Prix 30 system. You can read the full description of the system on the Rules webpage. Top 25 participants of the elimination stage will be invited to the final round.

The top 3 finalists will gain 300,000 (about $9,000), 150,000 (about $4,500) and 90,000 (about $3000) rubles respectively. Top 150 participants of the elimination stage will receive a souvenir.
Take part in the contest and win! Good luck!