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View Compilation Error

0_0_20064589_26113.cpp: In function 'void getrank()':
0_0_20064589_26113.cpp:40:30: error: reference to 'rank' is ambiguous
  for(int i = 1;i <= node;i++)rank[ws[val[i]]--] = i;
                              ^
0_0_20064589_26113.cpp:12:5: note: candidates are: int rank [200020]
 int rank[maxn];
     ^
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_20064589_26113.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_20064589_26113.cpp:43:38: error: reference to 'rank' is ambiguous
  for(int i = 1;i <= node;i++)if(!vis[rank[i]]){
                                      ^
0_0_20064589_26113.cpp:12:5: note: candidates are: int rank [200020]
 int rank[maxn];
     ^
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_20064589_26113.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_20064589_26113.cpp:44:11: error: reference to 'rank' is ambiguous
   int x = rank[i];
           ^
0_0_20064589_26113.cpp:12:5: note: candidates are: int rank [200020]
 int rank[maxn];
     ^
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_20064589_26113.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_20064589_26113.cpp: In function 'void init()':
0_0_20064589_26113.cpp:75:9: error: reference to 'rank' is ambiguous
  memset(rank,0,sizeof rank);
         ^
0_0_20064589_26113.cpp:12:5: note: candidates are: int rank [200020]
 int rank[maxn];
     ^
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_20064589_26113.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_20064589_26113.cpp:75:23: error: reference to 'rank' is ambiguous
  memset(rank,0,sizeof rank);
                       ^
0_0_20064589_26113.cpp:12:5: note: candidates are: int rank [200020]
 int rank[maxn];
     ^
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_20064589_26113.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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