Compilare: main.cpp: In function 'std::vector<int> rabin_karp(const string&, const string&)': main.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < A.length(); ++i) ~~^~~~~~~~~~~~ main.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < A.length() - 1; ++i) ~~^~~~~~~~~~~~~~~~ main.cpp:35:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i <= B.length() - A.length(); ++i) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~