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December 9th, 2017, 11:23 PM   #11
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 $10^2-24$ numbers.
In B there are $2^{11}$ numbers.
How do I continue from here?
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