Compilare: main.cpp: In function 'std::vector<int> getKmpTable(std::string)': main.cpp:19:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (; i < a.length(); i++, candidate++) | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:82:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (int i = 0; i < matches.size() && i < 1000; i++) | ~~^~~~~~~~~~~~~~~~