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View Compilation Error

0_0_19196130_2979.cpp: In function 'int main()':
0_0_19196130_2979.cpp:78:5: error: reference to 'hash' is ambiguous
     hash[j]=a[j].h2=(R-x1)*(y1-y2)/(x1-x2)+y1;
     ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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_19196130_2979.cpp:83:8: error: reference to 'hash' is ambiguous
   sort(hash,hash+j);
        ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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_19196130_2979.cpp:83:13: error: reference to 'hash' is ambiguous
   sort(hash,hash+j);
             ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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_19196130_2979.cpp:84:25: error: reference to 'hash' is ambiguous
   for(i=m=1;i<j;i++) if(hash[i]!=hash[i-1]) hash[m++]=hash[i];
                         ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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_19196130_2979.cpp:84:34: error: reference to 'hash' is ambiguous
   for(i=m=1;i<j;i++) if(hash[i]!=hash[i-1]) hash[m++]=hash[i];
                                  ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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_19196130_2979.cpp:84:45: error: reference to 'hash' is ambiguous
   for(i=m=1;i<j;i++) if(hash[i]!=hash[i-1]) hash[m++]=hash[i];
                                             ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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_19196130_2979.cpp:84:55: error: reference to 'hash' is ambiguous
   for(i=m=1;i<j;i++) if(hash[i]!=hash[i-1]) hash[m++]=hash[i];
                                                       ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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_19196130_2979.cpp:88:21: error: reference to 'hash' is ambiguous
    pos=bs(a[i].h2,m,hash);
                     ^
0_0_19196130_2979.cpp:32:8: note: candidates are: double hash [50010]
 double hash[N],L,R;
        ^
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_19196130_2979.cpp:8:
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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