1. History of submissions
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Ryan Guntoro

@ryanevander

Indonesia, surabaya

Joined Aug 2018

World Rank: #41467 (0.5 points)

Institution: SMA Petra V

Activity over the last year

Effectiveness

 Problems solved
4
 Solutions submitted
72

Problems

List of solved classical problems:

CRAN01
M_SEQ
PIRACON
TOHU

TODO list of classical problems:

BALLSUM
EKO

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