1. History of submissions
  2. (plaintext version)

Kefan Yang

@starordust

Canada, Burnaby

Joined Sep 2017

World Rank: #53024 (0.3 points)

Institution: SFU

Activity over the last year

Effectiveness

 Problems solved
2
 Solutions submitted
3

Problems

List of solved classical problems:

LUCKYNUM
XYI

TODO list of classical problems:

BRDGHRD

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