1. History of submissions
  2. (plaintext version)

Du Yan

@duyan

Viet Nam

Joined Aug 2013

World Rank: #27880 (1 points)

Activity over the last year

Effectiveness

 Problems solved
3
 Solutions submitted
10

Problems

List of solved classical problems:

PCPC12D
PCPC12E
PCPC12J

TODO list of classical problems:

PCPC12I

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