OCDER
2017 年からアクティブ
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統計
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Contribute at least one answer each month for 6 consecutive months
Awarded to OCDER on 06 Nov 2018
Answer 3 questions that were unanswered for more than 30 days
Awarded to OCDER on 28 Sep 2018
Solve a problem for the first time
Awarded to OCDER on 23 Jun 2018
100 of your answers have been accepted
Awarded to OCDER on 23 May 2018
Provide your first answer ever to someone else's question
Awarded to OCDER on 31 Aug 2017
Feeds
解決済み
Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...
6年以上 前
解決済み
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.
6年以上 前
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