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View Compilation Error

0_0_35797079_22526.cpp: In function 'bool Check(int)':
0_0_35797079_22526.cpp:81:25: error: reference to 'hash' is ambiguous
                     if (hash[l].val==1) dp[1<<l][l]=t;
                         ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:91:21: error: reference to 'hash' is ambiguous
                 if (hash[l].val==1) dp[p][l]=t;
                     ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:98:13: error: reference to 'hash' is ambiguous
         if (hash[i].val==2) break;
             ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp: In function 'int main()':
0_0_35797079_22526.cpp:130:21: error: reference to 'hash' is ambiguous
                     hash[up].x=i;
                     ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:131:21: error: reference to 'hash' is ambiguous
                     hash[up].y=j;
                     ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:132:21: error: reference to 'hash' is ambiguous
                     hash[up++].val=1;
                     ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:136:21: error: reference to 'hash' is ambiguous
                     hash[up].x=i;
                     ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:137:21: error: reference to 'hash' is ambiguous
                     hash[up].y=j;
                     ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:138:21: error: reference to 'hash' is ambiguous
                     hash[up++].val=2;
                     ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:153:14: error: reference to 'hash' is ambiguous
         sort(hash,hash+up,cmp);
              ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:153:19: error: reference to 'hash' is ambiguous
         sort(hash,hash+up,cmp);
                   ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:158:41: error: reference to 'hash' is ambiguous
                 bfs[i][j]=bfs[j][i]=BFS(hash[i],hash[j]);
                                         ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_35797079_22526.cpp:158:49: error: reference to 'hash' is ambiguous
                 bfs[i][j]=bfs[j][i]=BFS(hash[i],hash[j]);
                                                 ^
0_0_35797079_22526.cpp:20:7: note: candidates are: point hash [20]
 point hash[20];
       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_35797079_22526.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
  


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