x jr

@xjr

China, Beijing

Joined Apr 2016

World Rank: #54383 (0.3 points)

Institution: High School Attached to CNU

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
42

Problems

List of solved classical problems:

COT2
DISUBSTR
LCS2
NSUBSTR
OPTM
SUBLEX