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Math Help - X groups to reach any number from 1 to n

  1. #1
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    X groups to reach any number from 1 to n

    I'm unsure how to tag this problem, so it may or may not need to be moved.

    Given n coins, what is the least number of groups you can divide the coins in to such that you can reach any whole number from 1 to n by adding any number of groups together.


    It's been a while since I've messed with a problem like this. My first thought was just count how many times you can do n/2 until you get to 1, but suppose n is prime, or odd, what would result?
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  2. #2
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    I found a similar problem and solution, no longer need a solution to this.
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