Byeong-Chan Seo

@shjgkwo

Korea, Republic Of, Seoul

Joined May 2015

World Rank: #31957 (0.8 points)

Institution: Chang-dong High School

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
33

Problems

List of solved classical problems:

APIO14_A
CLOPPAIR
ETF
MATSUM
NDS
SUBLEX