Compilare: main.cpp: In function 'bool checkMatch(std::__cxx11::string, std::__cxx11::string, int)': main.cpp:49:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < pattern.size(); i++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index = pattern.size(); index < text.size(); index++){ ~~~~~~^~~~~~~~~~~~~