1. History of submissions
  2. (plaintext version)

Qingyu Ren

@rqy

China, Jinan

Joined Dec 2018

World Rank: #26895 (1 points)

Institution: Licheng No.2 Middle School

Activity over the last year

Effectiveness

 Problems solved
3
 Solutions submitted
18

Problems

List of solved classical problems:

DIVCNT2
DIVCNT3
PISANO

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