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December 9th, 2017, 11:23 PM  #11 
Member Joined: Apr 2012 Posts: 72 Thanks: 3 
I Think I lost you. If it's a binary search (And it seems to be the best way to solve that question), how could it be a clever way than asking evry step about the middle? In A there are $10^224$ numbers. In B there are $2^{11}$ numbers. How do I continue from here? 

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find, guess, minimum, number 
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