Compilare: user.cpp: In function ‘void RabinKarp(const string&, const string&)’: user.cpp:27:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < m; i++) { ^ user.cpp:36:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = 0; j < m && ok == true; j++) { ^ user.cpp:42:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = m; i < n; i++) { ^ user.cpp:46:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = i - m + 1, k = 0; k < m && ok == true; j++, k++) { ^