Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24:3: error: reference to ‘hash’ is ambiguous hash[current] = 1; ^ user.cpp:10:5: note: candidates are: int hash [666013] int hash[MOD]; ^ In file included from /usr/include/c++/4.8/bits/basic_string.h:3033:0, from /usr/include/c++/4.8/string:52, from user.cpp:1: /usr/include/c++/4.8/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp:29:4: error: reference to ‘hash’ is ambiguous hash[current] = 1; ^ user.cpp:10:5: note: candidates are: int hash [666013] int hash[MOD]; ^ In file included from /usr/include/c++/4.8/bits/basic_string.h:3033:0, from /usr/include/c++/4.8/string:52, from user.cpp:1: /usr/include/c++/4.8/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp:33:8: error: reference to ‘hash’ is ambiguous if (!hash[i]) { ^ user.cpp:10:5: note: candidates are: int hash [666013] int hash[MOD]; ^ In file included from /usr/include/c++/4.8/bits/basic_string.h:3033:0, from /usr/include/c++/4.8/string:52, from user.cpp:1: /usr/include/c++/4.8/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^