1. History of submissions
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Bill Zheng

@pyrexshorts

Canada, Markham

Joined Mar 2015

World Rank: #66768 (0.2 points)

Institution: rgss

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
48

Problems

List of solved classical problems:

BUGLIFE
GRASSPLA
HISTOGRA
HORRIBLE
NHAY
QTREE

TODO list of classical problems:

NSUBSTR

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