Eroare de compilare: main.cpp: In function 'void make_set(int)': main.cpp:22:5: error: reference to 'rank' is ambiguous 22 | rank[v] = 0; | ^~~~ In file included from /usr/include/c++/12.2.1/bits/stl_pair.h:60, from /usr/include/c++/12.2.1/bits/stl_algobase.h:64, from /usr/include/c++/12.2.1/bits/specfun.h:45, from /usr/include/c++/12.2.1/cmath:1935, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:41, from main.cpp:1: /usr/include/c++/12.2.1/type_traits:1394:12: note: candidates are: 'template<class> struct std::rank' 1394 | struct rank | ^~~~ main.cpp:12:21: note: 'std::vector<int> rank' 12 | vector<int> parent, rank; | ^~~~ main.cpp: In function 'void union_sets(int, int)': main.cpp:29:13: error: reference to 'rank' is ambiguous 29 | if (rank[a] < rank[b]) | ^~~~ /usr/include/c++/12.2.1/type_traits:1394:12: note: candidates are: 'template<class> struct std::rank' 1394 | struct rank | ^~~~ main.cpp:12:21: note: 'std::vector<int> rank' 12 | vector<int> parent, rank; | ^~~~ main.cpp:29:23: error: reference to 'rank' is ambiguous 29 | if (rank[a] < rank[b]) | ^~~~ /usr/include/c++/12.2.1/type_traits:1394:12: note: candidates are: 'template<class> struct std::rank' 1394 | struct rank | ^~~~ main.cpp:12:21: note: 'std::vector<int> rank' 12 | vector<int> parent, rank; | ^~~~ main.cpp:32:13: error: reference to 'rank' is ambiguous 32 | if (rank[a] == rank[b]) | ^~~~ /usr/include/c++/12.2.1/type_traits:1394:12: note: candidates are: 'template<class> struct std::rank' 1394 | struct rank | ^~~~ main.cpp:12:21: note: 'std::vector<int> rank' 12 | vector<int> parent, rank; | ^~~~ main.cpp:32:24: error: reference to 'rank' is ambiguous 32 | if (rank[a] == rank[b]) | ^~~~ /usr/include/c++/12.2.1/type_traits:1394:12: note: candidates are: 'template<class> struct std::rank' 1394 | struct rank | ^~~~ Non zero exit status: 1