Rating changes for last rounds are temporarily rolled back. They will be returned soon. ×

Newbie

WHgom22

Colin Hwang, Seongnam-si, South Korea
30 problems
solved for all time
0 problems
solved for the last year
0 problems
solved for the last month
3 days
in a row max.
0 days
in a row for the last year
0 days
in a row for the last month