Eroare de compilare: main.cpp: In function 'int main()': main.cpp:38:3: error: reference to 'hash' is ambiguous hash[b[i]].push_back(i); ^~~~ main.cpp:9:14: note: candidates are: std::vector<int> hash [260] vector <int> hash[260]; ^~~~ In file included from /usr/include/c++/6/bits/stl_bvector.h:1262:0, from /usr/include/c++/6/vector:65, from main.cpp:3: /usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^~~~ main.cpp:42:8: error: reference to 'hash' is ambiguous sort(hash[i].begin(),hash[i].end(),cmp()); ^~~~ main.cpp:9:14: note: candidates are: std::vector<int> hash [260] vector <int> hash[260]; ^~~~ In file included from /usr/include/c++/6/bits/stl_bvector.h:1262:0, from /usr/include/c++/6/vector:65, from main.cpp:3: /usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^~~~ main.cpp:42:24: error: reference to 'hash' is ambiguous sort(hash[i].begin(),hash[i].end(),cmp()); ^~~~ main.cpp:9:14: note: candidates are: std::vector<int> hash [260] vector <int> hash[260]; ^~~~ In file included from /usr/include/c++/6/bits/stl_bvector.h:1262:0, from /usr/include/c++/6/vector:65, from main.cpp:3: /usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^~~~ main.cpp:45:10: error: reference to 'hash' is ambiguous for(it=hash[a[i]].begin();it!=hash[a[i]].end();it++) ^~~~ main.cpp:9:14: note: candidates are: std::vector<int> hash [260] vector <int> hash[260]; ^~~~ In file included from /usr/include/c++/6/bits/stl_bvector.h:1262:0, from /usr/include/c++/6/vector:65, from main.cpp:3: /usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^~~~ main.cpp:45:33: error: reference to 'hash' is ambiguous Non zero exit status: 1