Compilare: main.cpp: In constructor 'Sir::Sir(int, std::__cxx11::string)': main.cpp:19:6: warning: 'Sir::n' will be initialized after [-Wreorder] int n; ^ main.cpp:18:9: warning: 'std::__cxx11::string Sir::s' [-Wreorder] string s; ^ main.cpp:24:2: warning: when initialized here [-Wreorder] Sir(int n, string s) : n(n), s(s) ^~~ main.cpp: At global scope: main.cpp:62:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^