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
Awarded to Akiko on 02 Mar 2021
Solve a problem for the first time
Awarded to Akiko on 12 Nov 2020
Answer 1 question that was unanswered for more than 30 days
Awarded to Akiko on 23 May 2019
Provide your first answer ever to someone else's question
Awarded to Akiko on 20 Jul 2017
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已解决
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.
3 years 前
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