Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:32:3: error: reference to ‘hash’ is ambiguous hash[current] = true; ^ user.cpp:21:29: note: candidates are: std::unordered_map<std::basic_string<char>, bool> hash unordered_map<string, bool> hash; ^ In file included from /usr/include/c++/4.8/bits/basic_string.h:3033:0, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:3: /usr/include/c++/4.8/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp:40:11: error: reference to ‘hash’ is ambiguous out << (hash[current]? 1:0) << '\n'; ^ user.cpp:21:29: note: candidates are: std::unordered_map<std::basic_string<char>, bool> hash unordered_map<string, bool> hash; ^ In file included from /usr/include/c++/4.8/bits/basic_string.h:3033:0, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:3: /usr/include/c++/4.8/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp: In function ‘void trans(std::string&)’: user.cpp:51:31: error: ‘memset’ was not declared in this scope memset(dif, '\0', sizeof(dif)); ^