Editorial for DMOPC '18 Contest 4 P1 - Dr. Henri and Differential Photometry
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Submitting an official solution before solving the problem yourself is a bannable offence.
                Submitting an official solution before solving the problem yourself is a bannable offence.
Author:
For each sequence of observations , the value of 
 is 
. Then, we can find 
 by finding the mean of the 
's.
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