Eroare de compilare: main.cpp: In function 'void unire(int, int)': main.cpp:33:12: error: reference to 'rank' is ambiguous if(rank[rx]>rank[ry]) ^~~~ main.cpp:12:13: note: candidates are: int rank [200002] int t[Nmax],rank[Nmax]; ^~~~ In file included from /usr/include/c++/6/bits/move.h:57:0, from /usr/include/c++/6/bits/nested_exception.h:40, from /usr/include/c++/6/exception:171, from /usr/include/c++/6/ios:39, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/type_traits:1482:12: note: template<class> struct std::rank struct rank ^~~~ main.cpp:33:21: error: reference to 'rank' is ambiguous if(rank[rx]>rank[ry]) ^~~~ main.cpp:12:13: note: candidates are: int rank [200002] int t[Nmax],rank[Nmax]; ^~~~ In file included from /usr/include/c++/6/bits/move.h:57:0, from /usr/include/c++/6/bits/nested_exception.h:40, from /usr/include/c++/6/exception:171, from /usr/include/c++/6/ios:39, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/type_traits:1482:12: note: template<class> struct std::rank struct rank ^~~~ main.cpp:38:16: error: reference to 'rank' is ambiguous if(rank[rx]==rank[ry]) ^~~~ main.cpp:12:13: note: candidates are: int rank [200002] int t[Nmax],rank[Nmax]; ^~~~ In file included from /usr/include/c++/6/bits/move.h:57:0, from /usr/include/c++/6/bits/nested_exception.h:40, from /usr/include/c++/6/exception:171, from /usr/include/c++/6/ios:39, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/type_traits:1482:12: note: template<class> struct std::rank struct rank ^~~~ main.cpp:38:26: error: reference to 'rank' is ambiguous Non zero exit status: 1