Correct Solutions by,
- Toshihiro Shimizu Kawasaki, Japan
- Cüneyd Öztürk Bilkent University
- Hasan Zübeyr Demir Ankara
- Ahmet Yüksel Aydın
- Albert Stadler Herrliberg, Switzerland
- Altuğ Beyhan YÖK TEBİP
- Selim Halykov Saparmurat Turkmenbashy Specialized Comprehensive School
- Emirhan Delen İstanbul
- Deniz Can Karaçelebi Çiçekliköy 50. Yıl Fen ve Teknoloji Lisesi
- Alper Balcı Bilkent University
- Gürkan Koray Akpınar
- Magnus Jakobsson Lund, Sweden
- Batyr Ovezmyradov Saparmurat Turkmenbashy Specialized Comprehensive School
- Mustafa Burak Topal İstanbul
- Roger Bengtsson Lund, Sweden
- Mustafa Akdağ Boğaziçi University
- Alp Eren Köken Antalya Yusuf Ziya Öner Fen Lisesi
- Choi Min Kyu South Korea
- İsmail Özer
- Malikşa Meylismyradow
Solution: http://www.fen.bilkent.edu.tr/~cvmath/Problem/2205a.pdf