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View Compilation Error

0_0_17237577_6608.cpp: In function 'void genx(const sit&)':
0_0_17237577_6608.cpp:54:12: error: reference to 'hash' is ambiguous
  ht.insert(hash(st));
            ^
0_0_17237577_6608.cpp:43:12: note: candidates are: int hash(const sit&)
 inline int hash(const sit &s)
            ^
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_17237577_6608.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_17237577_6608.cpp:69:12: error: reference to 'hash' is ambiguous
     int ha=hash(t);
            ^
0_0_17237577_6608.cpp:43:12: note: candidates are: int hash(const sit&)
 inline int hash(const sit &s)
            ^
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_17237577_6608.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_17237577_6608.cpp:71:15: error: reference to 'hash' is ambiguous
     ht.insert(hash(t));
               ^
0_0_17237577_6608.cpp:43:12: note: candidates are: int hash(const sit&)
 inline int hash(const sit &s)
            ^
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_17237577_6608.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_17237577_6608.cpp: In function 'bool judge(const sit&)':
0_0_17237577_6608.cpp:92:12: error: reference to 'hash' is ambiguous
     int ha=hash(t);
            ^
0_0_17237577_6608.cpp:43:12: note: candidates are: int hash(const sit&)
 inline int hash(const sit &s)
            ^
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_17237577_6608.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_17237577_6608.cpp:95:16: error: reference to 'hash' is ambiguous
     if(ht.find(hash(t))!=ht.end()) return true;
                ^
0_0_17237577_6608.cpp:43:12: note: candidates are: int hash(const sit&)
 inline int hash(const sit &s)
            ^
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_17237577_6608.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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