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.
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.