Compilare: user.cpp: In function ‘void rez(std::string, int&)’: user.cpp:12:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (s[i]!=')'&&i<s.length()) ^ user.cpp: In function ‘int main()’: user.cpp:72:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<denumiri.size();i++) ^ user.cpp:76:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<denumiri.size();i++) ^