How to win Facebook Hacker Cup?

Point Structure
Each problem is worth a single point. The contestant with the highest score wins. Points scored in one round are used only to determine standing in that round. Points do not carry over from Online Round 1 to Online Round 2.

Penalty Time and Ties
If there is a tie in points, the contestant with the lowest penalty time wins.

Penalty Time = Submission time of the last input you correctly solve (time is measured from start of contest) Shopee photos :

Facebook Hacker Cup 2011 Rounds

How many rounds are there?Qualification Round
The competition commences with a 72-hour Qualification Round on January 8, 2011 at 0:00 UTC (January 7, 2011 at 4:00 PM PST) and ends on January 11, 2011 at 0:00 UTC (January 10, 2011 at 4:00 PM PST). All registered competitors will be presented with three problems. Only competitors who correctly solve at least 1 problem will advance to Online Round 1.
Online Round 1
Online Round 1 consists of 3 sub-rounds, each lasting 3 hours. Competitors who advance to Online Round 1 can participate in any of the 3 sub-rounds, until they qualify to Online Round 2.

The first sub-round will start January 15, 2011 at 15:00 UTC (7:00 AM PST) and end January 15, 2011 at 18:00 UTC (10:00 AM PST) .

The second sub-round will start January 15, 2011 at 21:00 UTC (1:00 PM PST) and end January 16, 2011 at 0:00 UTC (January 15, 2011 - 4:00 PM PST).

The third sub-round will start January 16, 2011 at 21:00 UTC (1:00 PM PST) and end January 17, 2011 at … Shopee photos :

What Prizes Can Be won on The Facebook Hacker Cup 2011 event?

The top 25 scoring contestants from Online Round 2 will be flown out to Facebook headquarters in Palo Alto, California, USA to compete in the Finals. The onsite finals will happen on Friday, March 11, 2011. Travel and accommodation will be covered by Facebook.
The finalists will be competing for:
1st place: $5,000 USD
2nd place: $2,000 USD
3rd place: $1,000 USD
4th - 25th place: $100 USD

The top 300 scoring contestants in Online Round 2 will get a Hacker Cup t-shirt. A cash prize of equivalent value may be given where required by law, or at Facebook's discretion. Any duties and taxes (if applicable) are the sole responsibility of the recipients. Shopee photos :