Chengyuan Ma

@alan_20210202

China, Shanghai

Joined May 2018

World Rank: #47607 (0.3 points)

Institution: SFLS

Activity over the last year

Effectiveness

 Problems solved
9
 Solutions submitted
18

Problems

List of solved classical problems:

CMEXPR PRINT
DISUBSTR SUBST1
GSS3
LCS
LCS2
ONP
PRIME1