Compilare: user.cpp: In function ‘void kmp_table(std::string&, std::vector<int>&)’: user.cpp:14:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(pos <= w.size()) ^ user.cpp: In function ‘int main()’: user.cpp:42:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while( m + i <s.size() ) ^ user.cpp:46:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == w.size()-1) ^