ChrisR
Last seen: Today
2,719 2015 年以降の合計貢献数Faculty member in civil & environmental engineering
ChrisR's バッジ
Solve all the problems in Matrix Patterns III problem group
Awarded to ChrisR on 06 Dec 2020
Solve all the problems in Strings I
Awarded to ChrisR on 02 Oct 2020
Receive 25 likes on a problem you have created
Awarded to ChrisR on 28 Sep 2020
Solve all the problems in Cody Problems in Japanese problem group
Awarded to ChrisR on 26 Aug 2020
Like a problem or solution
Awarded to ChrisR on 12 Aug 2020
Solve all the problems in Magic Numbers II
Awarded to ChrisR on 02 Aug 2020
Solve all the problems in Sequences & Series I
Awarded to ChrisR on 25 Jul 2020
Solve all the problems in ASEE Challenge
Awarded to ChrisR on 24 Jul 2020
Solve all the problems in Matrix Patterns II
Awarded to ChrisR on 17 Jul 2020
Solve all the problems in Number Manipulation II problem group
Awarded to ChrisR on 12 Jul 2020
Solve all the problems in Indexing II
Awarded to ChrisR on 04 Jul 2020
Solve a problem with a best solution
Awarded to ChrisR on 30 Jun 2020
Create 10 problems
Awarded to ChrisR on 28 Jun 2020
Solve all the problems in Indexing I
Awarded to ChrisR on 20 Jun 2020
Solve all the problems in Number Manipulation I problem group
Awarded to ChrisR on 17 Jun 2020
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