Compilare: main.cpp: In function 'void getKmp(std::__cxx11::string, std::__cxx11::string)': main.cpp:20:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < str.size()) { ~~^~~~~~~~~~~~ main.cpp:27:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == pat.size()) { ~~^~~~~~~~~~~~~ main.cpp:37:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i < str.size() && str[i] != pat[j]) { ~~^~~~~~~~~~~~ main.cpp: In function 'void getLps(std::__cxx11::string)': main.cpp:54:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < pat.size()) { ~~^~~~~~~~~~~~