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View Compilation Error

0_0_14725516_3559.cpp: In function 'int solve()':
0_0_14725516_3559.cpp:78:36: error: reference to 'hash' is ambiguous
                         LL    hh = hash(k.g);
                                    ^
0_0_14725516_3559.cpp:44:9: note: candidates are: LL hash(Point*)
 LL      hash(Point x[] ) {
         ^
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_14725516_3559.cpp:7:
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_14725516_3559.cpp: In function 'int main()':
0_0_14725516_3559.cpp:110:14: error: reference to 'hash' is ambiguous
         if ( hash(st) == hash(ed) ) { printf("%d\n" , 0 ); continue; }
              ^
0_0_14725516_3559.cpp:44:9: note: candidates are: LL hash(Point*)
 LL      hash(Point x[] ) {
         ^
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_14725516_3559.cpp:7:
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_14725516_3559.cpp:110:26: error: reference to 'hash' is ambiguous
         if ( hash(st) == hash(ed) ) { printf("%d\n" , 0 ); continue; }
                          ^
0_0_14725516_3559.cpp:44:9: note: candidates are: LL hash(Point*)
 LL      hash(Point x[] ) {
         ^
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_14725516_3559.cpp:7:
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_14725516_3559.cpp:111:16: error: reference to 'hash' is ambiguous
         over = hash(ed);
                ^
0_0_14725516_3559.cpp:44:9: note: candidates are: LL hash(Point*)
 LL      hash(Point x[] ) {
         ^
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_14725516_3559.cpp:7:
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_14725516_3559.cpp:113:19: error: reference to 'hash' is ambiguous
         ha.insert(hash(st)); 
                   ^
0_0_14725516_3559.cpp:44:9: note: candidates are: LL hash(Point*)
 LL      hash(Point x[] ) {
         ^
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_14725516_3559.cpp:7:
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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