Compilare: main.cpp: In function 'std::vector<int> rabin_karp(std::__cxx11::string&, std::__cxx11::string&)': main.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < pattern.length(); ++i) { ~~^~~~~~~~~~~~~~~~~~ main.cpp:37:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < pattern.length(); ++i) { ~~^~~~~~~~~~~~~~~~~~ main.cpp:44:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = pattern.length(); i < str.length(); ++i) { ~~^~~~~~~~~~~~~~