Clarifications

General · 2012-12-06 11:12:36

Is there any issue with HTML format of problem statements?
Answer: PDF version of problems is more reliable. HTML have some issues due to caching mechanism.

Also be noted that the HTML version of problems A, D and F had minor changes and are updated.

Problem A · 2012-12-06 10:00:22

What is correct? "Defence" of "Defense"?
Answer: "Defense" is correct.

The problem description is fixed.