SOLUTION JP235-RMM SPRING EDITION 2020 Posted on May 18, 2019 by ssmrmh Proposed by Marian Ursarescu-Romania SOLUTION JP235 Solution 1 by Tran Hong-Dong Thap-Vietnam, Solution 2 by Soumava Chakraborty-Kolkata-India, Solution 3 by Marian Dinca-Romania