Compilare: main.cpp: In function 'long long int manacher(const std::string&)': main.cpp:19:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:24:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | while(i + aux[i] < s.size() && i - aux[i] >= 0 && s[i + aux[i]] == s[i - aux[i]]) | ~~~~~~~~~~~~^~~~~~~~~~