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View Compilation Error

0_0_18151935_6013.cpp: In function 'void init()':
0_0_18151935_6013.cpp:28:3: error: reference to 'rank' is ambiguous
   rank[i]=1;
   ^
0_0_18151935_6013.cpp:19:40: note: candidates are: int rank [111111]
 int n,m,pare[Size],ance[Size],in[Size],rank[Size],dis[Size],ans[Size],vis[Size];
                                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:60,
                 from 0_0_18151935_6013.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_18151935_6013.cpp: In function 'int Union(int, int)':
0_0_18151935_6013.cpp:51:10: error: reference to 'rank' is ambiguous
  else if(rank[a]<=rank[b])
          ^
0_0_18151935_6013.cpp:19:40: note: candidates are: int rank [111111]
 int n,m,pare[Size],ance[Size],in[Size],rank[Size],dis[Size],ans[Size],vis[Size];
                                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:60,
                 from 0_0_18151935_6013.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_18151935_6013.cpp:51:19: error: reference to 'rank' is ambiguous
  else if(rank[a]<=rank[b])
                   ^
0_0_18151935_6013.cpp:19:40: note: candidates are: int rank [111111]
 int n,m,pare[Size],ance[Size],in[Size],rank[Size],dis[Size],ans[Size],vis[Size];
                                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:60,
                 from 0_0_18151935_6013.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_18151935_6013.cpp:54:3: error: reference to 'rank' is ambiguous
   rank[b]+=rank[a];
   ^
0_0_18151935_6013.cpp:19:40: note: candidates are: int rank [111111]
 int n,m,pare[Size],ance[Size],in[Size],rank[Size],dis[Size],ans[Size],vis[Size];
                                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:60,
                 from 0_0_18151935_6013.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_18151935_6013.cpp:54:12: error: reference to 'rank' is ambiguous
   rank[b]+=rank[a];
            ^
0_0_18151935_6013.cpp:19:40: note: candidates are: int rank [111111]
 int n,m,pare[Size],ance[Size],in[Size],rank[Size],dis[Size],ans[Size],vis[Size];
                                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:60,
                 from 0_0_18151935_6013.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_18151935_6013.cpp:59:3: error: reference to 'rank' is ambiguous
   rank[a]+=rank[b];
   ^
0_0_18151935_6013.cpp:19:40: note: candidates are: int rank [111111]
 int n,m,pare[Size],ance[Size],in[Size],rank[Size],dis[Size],ans[Size],vis[Size];
                                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:60,
                 from 0_0_18151935_6013.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_18151935_6013.cpp:59:12: error: reference to 'rank' is ambiguous
   rank[a]+=rank[b];
            ^
0_0_18151935_6013.cpp:19:40: note: candidates are: int rank [111111]
 int n,m,pare[Size],ance[Size],in[Size],rank[Size],dis[Size],ans[Size],vis[Size];
                                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:60,
                 from 0_0_18151935_6013.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^


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