Compilare: main.cpp: In function 'bool corect(std::string)': main.cpp:10:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i = 0; i < s.length(); ++i){ | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:37:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i = 0; i < sir.length(); ++i){ | ~~^~~~~~~~~~~~~~