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Problem of the Month – April 2020

 

Correct Solutions by,

  • Toshihiro Shimizu, Kawasaki, Japan
  • Albert Stadler, Herrliberg, Switzerland
  • Mahmut Sait Okyay, UNIST, South Korea
  • Ahmet Yüksel, Efeler, Aydın
  • Alper Balcı
  • Steffen Weber, Ismaning, German
  • Roger Bengtsson, Lund, Sweden
  • Vedat Deveci, İstanbul
  • Ruben Victor Cohen, Argentina
  • Şevket Onur Yılmaz, Kabataş Erkek Lisesi, İstanbul
  • Mehmet Akif Yazıcılar, Bilkent alumnus
  • Lim Chang Kiat, Malaysia
  • Kee-Wai Lau Hong Kong, China
  • M. Lütfi Yarar, İstanbul Technical University