1. History of submissions
  2. (plaintext version)

Cheng Yufeng

@onetwogoo

China

Joined Jan 2012

World Rank: #53102 (0.3 points)

Activity over the last year

Effectiveness

 Problems solved
5
 Solutions submitted
18

Problems

List of solved classical problems:

BOXES
OPTM
QTREE
QTREE2
TEST

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