Eroare de compilare: user.cpp:13:1: error: reference to ‘unordered_map’ is ambiguous unordered_map <int,int> hsh; ^ In file included from /usr/include/c++/4.8/tr1/unordered_map:42:0, from user.cpp:2: /usr/include/c++/4.8/tr1/unordered_map.h:180:11: note: candidates are: template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> class std::tr1::unordered_map class unordered_map ^ In file included from /usr/include/c++/4.8/unordered_map:48:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:115, from user.cpp:1: /usr/include/c++/4.8/bits/unordered_map.h:97:11: note: template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> class std::unordered_map class unordered_map : __check_copy_constructible<_Alloc> ^ user.cpp:13:1: error: ‘unordered_map’ does not name a type unordered_map <int,int> hsh; ^ user.cpp: In function ‘int main()’: user.cpp:26:17: error: ‘hsh’ was not declared in this scope foor(it,hsh) it->second=0; ^ user.cpp:11:33: note: in definition of macro ‘foor’ #define foor(it,v) for(__typeof(v.begin()) it=v.begin();it!=v.end();++it) ^ user.cpp:11:46: error: invalid type in declaration before ‘=’ token #define foor(it,v) for(__typeof(v.begin()) it=v.begin();it!=v.end();++it) ^ user.cpp:26:9: note: in expansion of macro ‘foor’ foor(it,hsh) it->second=0; ^ user.cpp:26:24: error: base operand of ‘->’ is not a pointer foor(it,hsh) it->second=0; ^ user.cpp:32:19: error: ‘hsh’ was not declared in this scope if(fr[hsh[x]]==0) hsh[x]=++l; ^