Compilare: main.cpp: In function 'int main()': main.cpp:21:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:24:52: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | while (s[i] >= '0' && s[i] <= '9' && i < s.size()) | ~~^~~~~~~~~~ main.cpp:46:21: warning: use of an operand of type 'bool' in 'operator++' is deprecated [-Wdeprecated] 46 | eq++; | ^~