Eroare de compilare: user.cpp: In function ‘void unite(int, int)’: user.cpp:39:6: error: reference to ‘rank’ is ambiguous if (rank[x] > rank[y]) { ^ user.cpp:16:19: note: candidates are: int rank [200001] int parent[NMAX], rank[NMAX]; ^ In file included from /usr/include/c++/4.8/bits/move.h:57:0, from /usr/include/c++/4.8/bits/stl_pair.h:59, from /usr/include/c++/4.8/bits/stl_algobase.h:64, from /usr/include/c++/4.8/deque:60, from /usr/include/c++/4.8/stack:60, from user.cpp:2: /usr/include/c++/4.8/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp:39:16: error: reference to ‘rank’ is ambiguous if (rank[x] > rank[y]) { ^ user.cpp:16:19: note: candidates are: int rank [200001] int parent[NMAX], rank[NMAX]; ^ In file included from /usr/include/c++/4.8/bits/move.h:57:0, from /usr/include/c++/4.8/bits/stl_pair.h:59, from /usr/include/c++/4.8/bits/stl_algobase.h:64, from /usr/include/c++/4.8/deque:60, from /usr/include/c++/4.8/stack:60, from user.cpp:2: /usr/include/c++/4.8/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp:45:6: error: reference to ‘rank’ is ambiguous if (rank[x] == rank[y]) { ^ user.cpp:16:19: note: candidates are: int rank [200001] int parent[NMAX], rank[NMAX]; ^ In file included from /usr/include/c++/4.8/bits/move.h:57:0, from /usr/include/c++/4.8/bits/stl_pair.h:59, from /usr/include/c++/4.8/bits/stl_algobase.h:64, from /usr/include/c++/4.8/deque:60, from /usr/include/c++/4.8/stack:60, from user.cpp:2: /usr/include/c++/4.8/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp:45:17: error: reference to ‘rank’ is ambiguous if (rank[x] == rank[y]) { ^ user.cpp:16:19: note: candidates are: int rank [200001]