Eroare de compilare: user.cpp: In function ‘bool search(int)’: user.cpp:25:14: error: reference to ‘hash’ is ambiguous for(nod p=hash[abs(x)%MOD];p;p=p->next) ^ user.cpp:13:5: note: candidates are: lnod* hash [666015] nod hash[666015]; ^ 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:1: /usr/include/c++/4.8/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^ user.cpp: In function ‘int main()’: user.cpp:39:49: error: reference to ‘hash’ is ambiguous if(j) aux=i*i*i*a[4]+j*j*j*a[5],add(aux,hash[abs(aux)%MOD]); ^ user.cpp:13:5: note: candidates are: lnod* hash [666015] nod hash[666015]; ^ 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:1: /usr/include/c++/4.8/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash struct hash; ^