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# Promblems of Lunchtimes

 4 I don't understand the purpose of holding Lunchtimes if the questions are not to be within the scope of the IOI syllabus. Though I didn't participate in the December lunchtime, I did go through the problems. Why are there questions on Lucas Theorem and FFT when they are not a part of the IOI syllabus. Having a contest with IOI style grading doesn't make it a good form of preparation for IOI. The questions need to be of similar kind as well. If that can't be ensured, then why not remove this lunchtime. asked 28 Dec '14, 14:22 1.3k●15●65●81 accept rate: 4% 2 Where is it mentioned that Lucas' Theorem is not in IOI syllabus? (28 Dec '14, 15:46) 2 @dpraveen on page 4 while not explicitly stated prerequisite knowledge only asks for basic modular arithmetic. Also modular division and inverse elements are explicitly excluded which are much more common than lucas theorem. So it can be concluded that lucas theorem won't be required to solve IOI problems. (28 Dec '14, 16:45)

 1 @dpraveen I think this is clear enough that only BASIC modular operations are in IOI syllabus. Basic meaning addition, subtraction, and multiplication. answered 28 Dec '14, 17:17 1.3k●15●65●81 accept rate: 4%
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question asked: 28 Dec '14, 14:22

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last updated: 30 Dec '14, 19:09