Akiko
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20 of your answers have been accepted
Awarded to Akiko on 24 Jan 2023
10 of your answers have been accepted
Awarded to Akiko on 15 Feb 2022
Contribute at least one answer each month for 3 consecutive months
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Solve a problem for the first time
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Awarded to Akiko on 23 May 2019
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Awarded to Akiko on 20 Jul 2017
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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
etwa 2 Jahre vor
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