JINWOO LEE

Like a problem or solution

Awarded to JINWOO LEE on 03 Nov 2016

Comment on a problem or solution

Awarded to JINWOO LEE on 07 Nov 2016

Solve a problem for the first time

Awarded to JINWOO LEE on 26 Sep 2016

Solve a problem with a best solution

Awarded to JINWOO LEE on 28 Nov 2016

Be the first to solve a problem

Awarded to JINWOO LEE on 13 Nov 2016

Create a problem

Awarded to JINWOO LEE on 13 Nov 2016

Obtain 50 solvers for a problem you have created

Awarded to JINWOO LEE on 18 Dec 2018