Pergunta de entrevista da empresa J.P. Morgan

HireVue test questuon 1. Write a program that finds the longest common suffix between two string. 2. Write a program that, given an integer, insert a ‘*’ between adjacent digits that are even and ‘-‘ between adjacent digits that are both odd. Zero should not be considered even or odd. Input 12467930 ouput 12*4*67-9-30