Compilare: main.cpp: In function 'bool esteBun(int)': main.cpp:19:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 19 | if(s.size() != l){ | ~~~~~~~~~^~~~ main.cpp: In function 'void c(int)': main.cpp:123:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for(int i = index; i < s.size(); i++){ | ~~^~~~~~~~~~