Functional programming in C++ with FunctionalPlus; HR challange Gemstoneshttps://github.com/Dobiasd/articles/blob/master/functional_programming_in_cpp_with_the_functionalplus_library_today_hackerrank_challange_gemstones.md by Dobiasd • 10 years ago 2 0 10 years agoGIgithub.com