Find out more about this contest and its winners in our blog post.

Rules:

• Please do not discuss strategy, suggestions or tips in the comments during a live contest. Posting questions clarifying the problem statement is ok. If you are unsure, email us at feedback@codechef.com
• Contest problems will become visible on February 1st 2010.
• You will receive one point for solving a problem (passing all test cases - no partial credit), regardless of the level of difficulty of that problem.
• You can submit solutions as many times as you'd like, there are no penalties for incorrect submissions.
• Each contest will have one min/max tie breaker problem, where the best solution will receive one point and all other solutions will receive a fraction based how close they come to the best solution.
• In the unlikely case of an overall tie (including the same score on the tie-breaker) a winner will be randomly chosen from the top scorers.