y cs

@weiguoxin

China, beijing

Joined Jul 2021

World Rank: #27420 (1 points)

Institution: chao yang

Activity over the last year

Effectiveness

 Problems solved
12
 Solutions submitted
22

Problems

List of solved classical problems:

BACKUP MKTHNUM
BUSINESS MOD
CF25E MUTDNA
COCONUTS SAM
FCTRL XOINC
HISTOGRA
LCMSUM