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View Compilation Error

0_0_24416977_27181.cpp: In function 'void solve()':
0_0_24416977_27181.cpp:127:5: error: reference to 'hash' is ambiguous
     hash.insert(Q[0].st);
     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:140:21: error: reference to 'hash' is ambiguous
                 if(!hash.find(st)){
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:141:21: error: reference to 'hash' is ambiguous
                     hash.insert(st);
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:147:21: error: reference to 'hash' is ambiguous
                 if(!hash.find(st)){
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:148:21: error: reference to 'hash' is ambiguous
                     hash.insert(st);
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:155:21: error: reference to 'hash' is ambiguous
                 if(!hash.find(st)){
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:156:21: error: reference to 'hash' is ambiguous
                     hash.insert(st);
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:162:21: error: reference to 'hash' is ambiguous
                 if(!hash.find(st)){
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp:163:21: error: reference to 'hash' is ambiguous
                     hash.insert(st);
                     ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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_24416977_27181.cpp: In function 'int main()':
0_0_24416977_27181.cpp:195:9: error: reference to 'hash' is ambiguous
         hash.init();
         ^
0_0_24416977_27181.cpp:60:12: note: candidates are: Hash<int> hash
 Hash<int64>hash;
            ^
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 0_0_24416977_27181.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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