1. History of submissions
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Arief Ridwan

@ridwanptf12

Indonesia, Surabaya

Joined Sep 2012

World Rank: #17761 (1.8 points)

Institution: Institut Teknologi Sepuluh Nopember

Activity over the last year

Effectiveness

 Problems solved
15
 Solutions submitted
218

Problems

List of solved classical problems:

ACPC10A FASHION TOHU
ADDREV NITT2
CANDY OLOLO
CERC07B REBOUND
CIVIL SILVER
COIN STAMPS
DIEHARD TEST

TODO list of classical problems:

PALIN PRINT
PON

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