Compilare: main.cpp: In function 'int main()': main.cpp:27:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | if(lung[i] == a.size()) rasp.push_back(i - a.size() + 1); | ~~~~~~~~^~~~~~~~~~~