Qingyu Ren

@rqy

China, Jinan

Joined Dec 2018

World Rank: #27470 (1 points)

Institution: Licheng No.2 Middle School

Activity over the last year

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberJanuaryless than 10 submissionsbetween 10 and 20 submissionsbetween 20 and 30 submissionsbetween 30 and 40 submissionsmore than 40 submissions

Effectiveness

 Problems solved
3
 Solutions submitted
18

Problems

List of solved classical problems:

DIVCNT2
DIVCNT3
PISANO