Eroare de compilare: user.cpp: In function ‘void makeset(int)’: user.cpp:23:5: error: reference to ‘rank’ is ambiguous rank[x] = 0; ^ user.cpp:18:19: note: candidates are: int rank [100005] int parent[MAXN], rank[MAXN]; ^ 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/vector:60, from user.cpp:3: /usr/include/c++/4.8/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp: In function ‘void link(int, int)’: user.cpp:28:9: error: reference to ‘rank’ is ambiguous if (rank[x] > rank[y]) ^ user.cpp:18:19: note: candidates are: int rank [100005] int parent[MAXN], rank[MAXN]; ^ 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/vector:60, from user.cpp:3: /usr/include/c++/4.8/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp:28:19: error: reference to ‘rank’ is ambiguous if (rank[x] > rank[y]) ^ user.cpp:18:19: note: candidates are: int rank [100005] int parent[MAXN], rank[MAXN]; ^ 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/vector:60, from user.cpp:3: /usr/include/c++/4.8/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp:35:13: error: reference to ‘rank’ is ambiguous if (rank[x] == rank[y]) ^ user.cpp:18:19: note: candidates are: int rank [100005] int parent[MAXN], rank[MAXN]; ^