1. History of submissions
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Rian Silaen

@rianhasiando

Indonesia, Jakarta

Joined Jan 2018

World Rank: #122174 (0 points)

Institution: Sekolah Tinggi Teknik PLN

Interested in math, competitive programming, though i am a beginner haha.

Activity over the last year

Effectiveness

 Problems solved
1
 Solutions submitted
22

Problems

List of solved classical problems:

TEST

TODO list of classical problems:

PRIME1

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