1. History of submissions
  2. (plaintext version)

Di Chen

@difyg_4

Switzerland

Joined Sep 2011

World Rank: #79746 (0.1 points)

Activity over the last year

Effectiveness

 Problems solved
5
 Solutions submitted
82

Problems

List of solved classical problems:

ONP
PALIN
PRIME1
SBSTR1
TEST

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