Compilare: main.cpp: In function 'long long int count(const string&)': main.cpp:9:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 9 | for(int index = 0; index < word.size(); index ++) { | ~~~~~~^~~~~~~~~~~~~ main.cpp:16:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | while(newLeft - 1 >= 0 && newRight + 1 < word.size() && word[newLeft - 1] == word[newRight + 1]) { | ~~~~~~~~~~~~~^~~~~~~~~~~~~