Compilare: main.cpp:17:10: warning: multi-character character constant [-Wmultichar] 17 | tt = '$#'; | ^~~~ main.cpp: In function 'int main()': main.cpp:17:10: warning: overflow in conversion from 'int' to 'char' changes value from '9251' to ''#'' [-Woverflow] main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0; i < ss.size(); i++){ | ~~^~~~~~~~~~~ main.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i = 1; i < tt.size() - 1; i++){ | ~~^~~~~~~~~~~~~~~ main.cpp:29:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int i = 1; i < tt.size() - 1; i++){ | ~~^~~~~~~~~~~~~~~