Eroare de compilare: user.cpp: In function ‘void add(char*)’: user.cpp:68:5: error: reference to ‘hash’ is ambiguous hash.insert(h); ^ user.cpp:14:10: note: candidates are: std::set<long long int> hash set <ll> hash; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_bvector.h:1134:0, from /usr/local/include/c++/4.8.0/vector:65, from user.cpp:3: /usr/local/include/c++/4.8.0/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp: In function ‘void solve()’: user.cpp:96:17: error: reference to ‘hash’ is ambiguous if (hash.find(h) != hash.end()) { ^ user.cpp:14:10: note: candidates are: std::set<long long int> hash set <ll> hash; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_bvector.h:1134:0, from /usr/local/include/c++/4.8.0/vector:65, from user.cpp:3: /usr/local/include/c++/4.8.0/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp:96:33: error: reference to ‘hash’ is ambiguous if (hash.find(h) != hash.end()) { ^ user.cpp:14:10: note: candidates are: std::set<long long int> hash set <ll> hash; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_bvector.h:1134:0, from /usr/local/include/c++/4.8.0/vector:65, from user.cpp:3: /usr/local/include/c++/4.8.0/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp: In function ‘void clear()’: user.cpp:120:5: error: reference to ‘hash’ is ambiguous hash.clear(); ^ user.cpp:14:10: note: candidates are: std::set<long long int> hash set <ll> hash; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_bvector.h:1134:0, from /usr/local/include/c++/4.8.0/vector:65, from user.cpp:3: /usr/local/include/c++/4.8.0/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash;