Eroare de compilare: user.cpp: In function ‘void init()’: user.cpp:19:4: error: reference to ‘rank’ is ambiguous rank[i][j] = 0; ^ user.cpp:8:5: note: candidates are: int rank [251][251] int rank[nmax + 1][nmax + 1]; ^ 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/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, 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/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp: In function ‘void unite(int, int, int, int)’: user.cpp:64:5: error: reference to ‘rank’ is ambiguous if(rank[l1][c1] < rank[l2][c2]) ^ user.cpp:8:5: note: candidates are: int rank [251][251] int rank[nmax + 1][nmax + 1]; ^ 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/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, 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/type_traits:1243:12: note: template<class> struct std::rank struct rank ^ user.cpp:64:20: error: reference to ‘rank’ is ambiguous if(rank[l1][c1] < rank[l2][c2]) ^ user.cpp:8:5: note: candidates are: int rank [251][251] int rank[nmax + 1][nmax + 1]; ^ 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/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: