Compilare: main.cpp: In function 'int main()': main.cpp:49:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(j = 0; j < word.size(); j++) | ~~^~~~~~~~~~~~~ main.cpp:87:9: warning: unused variable 'dummy' [-Wunused-variable] 87 | int dummy = 0, maxdummy = 0; | ^~~~~ main.cpp:87:20: warning: unused variable 'maxdummy' [-Wunused-variable] 87 | int dummy = 0, maxdummy = 0; | ^~~~~~~~