Qualification Round - India Sent The Most Contestans in Facebook HC 2011

Competitors Percentage in Facebook Hacker Cup 2011 by Country (% ranked from highest to lowest)

India
Indonesia
Thailand
United States
Singapore
Egypt
United Kingdom
Vietnam
Romania
Russia Shopee photos :

The Problems

Each contest consists of 3 algorithmic problems. The problems will be listed in the panel on the top left side of the page. Click on a problem’s name to view the statement for that problem, which will appear in the middle of the page.

The problem statement will be an HTML file, possibly containing images. It will include on...e or more sample test cases and will have one input file. Shopee photos :

What are the Submission Rules and Judging?

After downloading the input file, you will have six minutes to submit the output (along with your source code). There is only one input file, but you can submit as many times as you wish during the six minutes. Your last submission counts as your final answer. You will find out if your answer was correct after the contest.

*Note: You may experience latency issues between your computer and our servers and are therefore advised to submit with an adequate amount of time remaining in your six-minute period.

How We Will Judge Your Submission
1. Minor differences in whitespace are ignored. In particular, every non-empty sequence of whitespace characters (except newlines and non-ASCII characters) is treated as a single space. Unix, Mac and Windows endlines are all acceptable ways of ending lines.
2. Leading and trailing whitespace on each line is ignored. The remaining, non-empty lines are compared pairwise, using rules 1 and 3.
3. Two floating point numbers are considered equa… Shopee photos :

How does it work?

Duration
There are multiple rounds to the Facebook Hacker Cup. The Qualification Round lasts 72-hours. Online Round 1 consists of 3 sub-rounds each 3-hours long. Online Round 2 lasts 3-hours long.

Environment
You can use any programming language to solve the problems, using any development environment or text editor, as long as the compiler or interpreter you used for that language is freely available and easy to download and use. Time-limited trials for compilers and interpreters are disallowed. Visual Studio is acceptable as a compiler, since there's a free version of (almost the same) compiler available, Visual Studio Express. Facebook reserves the right to make further exceptions on a case-by-case basis.

The Problems
Each contest consists of 3 algorithmic problems. The problems will be listed in the panel on the top left side of the page. Click on a problem’s name to view the statement for that problem, which will appear in the middle of the page.

The problem… Shopee photos :

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 :

Where can I register?

Register here or click on the "Hacker Cup" tab up above.

Registration opens on December 20, 2010 at 16:00 UTC (8:00 AM PST) and ends on January 11, 2011 at 0:00 UTC (January 10, 2011 at 4:00 PM PST). Advancement from the Qualification Round is necessary in order to participate in Online Round 1. 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 :

What is the Hacker Cup?

The Hacker Cup is Facebook's international coding competition. The contest consists of three online rounds and a final round held at Facebook's headquarters. This is your chance to compete against the worlds best programmers and potentially win the title of world champion and other awesome prizes. Shopee photos :

2011 Facebook Hacker Cup

The 2011 Facebook Hacker Cup is the first annual Facebook programming contest where hackers compete against each other for fame, fortune, glory and a shot at the coveted Hacker Cup.
There can only be one...Many will enter, but only one will claim title as champion and take home the $5,000 USD cash prize and be immortalized on the Hacker Cup. Shopee photos :

Facebook Hacker Cup 2011 Will be Begun in Next 2 Hours!

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. Each problem will consist of one input file. Competitors can log in to the competition website and attempt to solve the 3 problems anytime during the 72-hour period of the Qualification Round. Only competitors who correctly solve at least 1 problem will advance to Online Round 1. Shopee photos :