1. History of submissions
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Jeffery Zhang

@zzzc18

China, Zhengzhou

Joined Jun 2017

World Rank: #29404 (0.9 points)

Institution: Zhengzhou Foreign Language School

Activity over the last year

Effectiveness

 Problems solved
7
 Solutions submitted
25

Problems

List of solved classical problems:

COT
COT2
LCS
LONGCS
NSUBSTR
SUBST1
VOTAS

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