1. History of submissions
  2. (plaintext version)

Qihao Qiu

@qqh_08

China, Beijing

Joined Aug 2021

World Rank: #11594 (3 points)

Institution: School

1024RMB txdy!!!

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
10

Problems

List of solved classical problems:

BALNUM
COT2
DQUERY
INTDSET
INTDSET2
LIGHTIN

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