1. History of submissions
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Vivian Xiong

@javi2004

China, 成都

Joined Jun 2019

World Rank: #63346 (0.2 points)

Institution: 成都外国语学校

Activity over the last year

Effectiveness

 Problems solved
3
 Solutions submitted
9

Problems

List of solved classical problems:

PATHEADS
PERIOD
QTREE

TODO list of classical problems:

INS14G

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