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    Thank you for your first post to Stack Exchange Programmers. Please consider revising your question title to help people know what it is about without drilling down into the comments and the problem link. Given this question seems to be part of a competition, is it ethical to ask for help on this site? Additional guidelines for questions can be found in the FAQ at programmers.stackexchange.com/faq Commented Oct 5, 2012 at 0:36
  • The question is pretty specific to the given problem, so it seems like a conundrum to find a better title. It is just a preparation Q and is not part of a competition. Appreciate the concern... Commented Oct 5, 2012 at 10:10
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    Please strive for a better title. "Efficient Data Structure for this particular problem" doesn't tell me anything about what the problem is when reading through question listings or rss feeds. Commented Nov 6, 2012 at 21:19