Compilare: user.cpp: In function ‘void kmp(std::string, int)’: user.cpp:20:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=aux.size(); i++) ^ user.cpp:30:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=aux.size(); i++) ^ user.cpp:31:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(KMP[i]==p.size()) ^ user.cpp: In function ‘int main()’: user.cpp:45:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=s.size(); i++) ^