Receive 10 likes on a problem you have created

Awarded to Jang geun Choi on 22 Oct 2020

Your submissions were downloaded 30 or more times in a month

Awarded to Jang geun Choi on 01 Nov 2019

Your submissions received 25 five star ratings

Awarded to Jang geun Choi on 09 Oct 2019

Publish your first submission

Awarded to Jang geun Choi on 09 Oct 2019

1 of your answers has been accepted

Awarded to Jang geun Choi on 20 Jul 2017

Provide your first answer ever to someone else's question

Awarded to Jang geun Choi on 20 Jul 2017

Obtain 50 solvers for a problem you have created

Awarded to Jang geun Choi on 16 Dec 2016

15-year anniversary Triathlon 2nd place badge

Awarded to Jang geun Choi on 09 Nov 2016

15-year anniversary Scavenger Hunt finisher badge

Awarded to Jang geun Choi on 09 Nov 2016

Receive 25 likes on a problem you have created

Awarded to Jang geun Choi on 11 Oct 2016

Create 10 problems

Awarded to Jang geun Choi on 07 Oct 2016

Create a problem

Awarded to Jang geun Choi on 07 Oct 2016

Solve 500 problems

Awarded to Jang geun Choi on 06 Oct 2016

Solve all the problems in CUP Challenge

Awarded to Jang geun Choi on 03 Oct 2016

Solve a problem for the first time

Awarded to Jang geun Choi on 28 Dec 2014