Take a look at the tags on this problem:
FFT? DP? bitmask? is this an inside joke that im not getting? why does it seem like for every problem most of the tags are completely fake?
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I saw this blog post about requirements to create a contest. My question is, is the requirement still to be 2100 at one point? The reason I ask is because I've seen wonderful Div 2 contests hosted by purple and blue people, and I'd like to try my hand at problem making sometime in the future.
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