SOLUTION JP015 Posted on July 30, 2016July 30, 2016 by ssmrmh Proposed by Daniel Sitaru-Romania SOLUTION JP015 Solution 1 by Ngo Dinh Tuan-Quang Nam-Da Nang-VietNam Solution 2 by Soumitra Mukherjee-Chandar Nagore-India Solution 3 by Le Van-Ho Chi Min City-VietNam Solution 4 by Seyran Ibrahimov