Correct Solutions by,
- Mehmet Koca Oxford University, UK
- Toshihiro Shimizu Kawasaki, Japan
- Mustafa Kerem Yüksel Bilkent University
- Harald Bögeholz Melbourne, Australia
- Alper Balcı Ohio State University, USA
- Hasan Zübeyr Demir Ankara
- Roger Bengtsson, Lund, Sweden
- Magnus Jakobsson, Lund, Sweden
- Mustafa Topal İstanbul
Solution: http://www.fen.bilkent.edu.tr/~cvmath/Problem/2302a.pdf