1. History of submissions
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@chen_h

China

Joined Oct 2013

World Rank: #63399 (0.2 points)

Activity over the last year

Effectiveness

 Problems solved
8
 Solutions submitted
12

Problems

List of solved classical problems:

ABSP1 TEST
ADDREV
BEADS
CIRU
DISUBSTR
ONP
PRIME1

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