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View Compilation Error

0_0_21235288_2899.cpp: In function 'int solve()':
0_0_21235288_2899.cpp:64:35: error: reference to 'hash' is ambiguous
                         LL    h = hash(k.g);
                                   ^
0_0_21235288_2899.cpp:31:11: 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_21235288_2899.cpp:3:
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_21235288_2899.cpp:89:35: error: reference to 'hash' is ambiguous
                         LL    h = hash(k.g);
                                   ^
0_0_21235288_2899.cpp:31:11: 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_21235288_2899.cpp:3:
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_21235288_2899.cpp: In function 'int main()':
0_0_21235288_2899.cpp:120:14: error: reference to 'hash' is ambiguous
         if ( hash(st) == hash(ed) ) { printf("%d\n" , 0 ); continue; }
              ^
0_0_21235288_2899.cpp:31:11: 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_21235288_2899.cpp:3:
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_21235288_2899.cpp:120:26: error: reference to 'hash' is ambiguous
         if ( hash(st) == hash(ed) ) { printf("%d\n" , 0 ); continue; }
                          ^
0_0_21235288_2899.cpp:31:11: 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_21235288_2899.cpp:3:
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_21235288_2899.cpp:123:20: error: reference to 'hash' is ambiguous
         ha1.insert(hash(st)); ha2.insert(hash(ed));
                    ^
0_0_21235288_2899.cpp:31:11: 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_21235288_2899.cpp:3:
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_21235288_2899.cpp:123:42: error: reference to 'hash' is ambiguous
         ha1.insert(hash(st)); ha2.insert(hash(ed));
                                          ^
0_0_21235288_2899.cpp:31:11: 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_21235288_2899.cpp:3:
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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