Eroare de compilare: user.cpp: In function ‘bool found(int)’: user.cpp:18:11: error: reference to ‘hash’ is ambiguous int k=hash(x), i; ^ user.cpp:11:5: note: candidates are: int hash(int) int hash(int x) ^ 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/ostream:38, from /usr/include/c++/4.8/iostream:39, 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:19:10: error: ‘i’ was not declared in this scope for (i=0;i<h[k].size();i++) ^ user.cpp: In function ‘void cancel(int)’: user.cpp:25:11: error: reference to ‘hash’ is ambiguous int k=hash(x), i; ^ user.cpp:11:5: note: candidates are: int hash(int) int hash(int x) ^ 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/ostream:38, from /usr/include/c++/4.8/iostream:39, 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:26:10: error: ‘i’ was not declared in this scope for (i=0;i<h[k].size();i++) ^ user.cpp: In function ‘void dfs(int, int)’: user.cpp:37:7: error: reference to ‘hash’ is ambiguous h[hash(now)].push_back(now); ^ user.cpp:11:5: note: candidates are: int hash(int) int hash(int x) ^ In file included from /usr/include/c++/4.8/bits/basic_string.h:3033:0,