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View Compilation Error

0_0_25586743_13239.cpp: In function 'void init(int)':
0_0_25586743_13239.cpp:13:3: error: reference to 'rank' is ambiguous
   rank[i]=1;
   ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_25586743_13239.cpp: In function 'void merge(int, int)':
0_0_25586743_13239.cpp:27:5: error: reference to 'rank' is ambiguous
  if(rank[x]<rank[y])
     ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_25586743_13239.cpp:27:13: error: reference to 'rank' is ambiguous
  if(rank[x]<rank[y])
             ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_25586743_13239.cpp:30:2: error: reference to 'rank' is ambiguous
  rank[x]+=rank[y];
  ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_25586743_13239.cpp:30:11: error: reference to 'rank' is ambiguous
  rank[x]+=rank[y];
           ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_25586743_13239.cpp:31:2: error: reference to 'rank' is ambiguous
  rank[y]=0;
  ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_25586743_13239.cpp: In function 'int main()':
0_0_25586743_13239.cpp:55:5: error: reference to 'rank' is ambiguous
     rank[find(id[x])]--;
     ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_25586743_13239.cpp:59:8: error: reference to 'rank' is ambiguous
     if(rank[i])
        ^
0_0_25586743_13239.cpp:6:11: note: candidates are: int rank [100005]
 int id[N],rank[N],father[N];
           ^
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++/utility:70,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
                 from 0_0_25586743_13239.cpp:3:
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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