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View Compilation Error

0_0_34653326_26167.cpp: In function 'int find(int)':
0_0_34653326_26167.cpp:12:9: error: reference to 'rank' is ambiguous
         rank[x]^=rank[pre[x]];
         ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_34653326_26167.cpp:12:18: error: reference to 'rank' is ambiguous
         rank[x]^=rank[pre[x]];
                  ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_34653326_26167.cpp: In function 'void jion(int, int, int)':
0_0_34653326_26167.cpp:23:9: error: reference to 'rank' is ambiguous
         rank[py]=rank[x]^rank[y]^d;
         ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_34653326_26167.cpp:23:18: error: reference to 'rank' is ambiguous
         rank[py]=rank[x]^rank[y]^d;
                  ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_34653326_26167.cpp:23:26: error: reference to 'rank' is ambiguous
         rank[py]=rank[x]^rank[y]^d;
                          ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_34653326_26167.cpp: In function 'int main()':
0_0_34653326_26167.cpp:34:13: error: reference to 'rank' is ambiguous
             rank[i]=0;
             ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_34653326_26167.cpp:58:30: error: reference to 'rank' is ambiguous
             tag[gg[find(i)]][rank[i]]++;
                              ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note:                 template<class> struct std::rank
     struct rank
            ^
0_0_34653326_26167.cpp:85:36: error: reference to 'rank' is ambiguous
                 if(cc[gg[find(i)]][rank[i]]){
                                    ^
0_0_34653326_26167.cpp:7:16: note: candidates are: int rank [600]
 int pre[MAXN], rank[MAXN], gg[MAXN], jj[MAXN][MAXN], tag[MAXN][2], dp[MAXN][MAXN], cc[MAXN][2];
                ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_34653326_26167.cpp:1:
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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