Compilare: main.cpp: In member function 'void Solution::Senat()': main.cpp:171:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 171 | for(int i = 0 ; i < line.size() ; i++){ | ~~^~~~~~~~~~~~~