1. History of submissions
  2. (plaintext version)

rao heng

@tchr

China, Tian Jin

Joined Nov 2021

World Rank: #84579 (0.1 points)

Institution: Civil Aviation Of China

Activity over the last year

Effectiveness

 Problems solved
2
 Solutions submitted
5

Problems

List of solved classical problems:

GSS5
NSUBSTR

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