1. History of submissions
  2. (plaintext version)

Qwiyang Qiu

@qwynick

China

Joined Dec 2007

World Rank: #17262 (1.9 points)

Institution: Yes!Yes!Yes!Yes!Yes!Yes!Yes!Yes!Yes!Yes!

Activity over the last year

Effectiveness

 Problems solved
18
 Solutions submitted
41

Problems


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