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View Compilation Error

0_0_39475714_28685.cpp: In function 'int main()':
0_0_39475714_28685.cpp:24:39: error: reference to 'hash' is ambiguous
   24 |                 for(int i=1;i<=n;i++) hash[i]=hash[i-1]*b+B[i-1 ];
      |                                       ^~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string_view:42,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:47,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:54,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/locale_classes.h:40,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/ios_base.h:41,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ios:44,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ostream:40,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/iostream:41,
                 from 0_0_39475714_28685.cpp:1:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/functional_hash.h:59:12: note: candidates are: 'template<class _Tp> struct std::hash'
   59 |     struct hash;
      |            ^~~~
0_0_39475714_28685.cpp:9:5: note:                 'ull hash [1048577]'
    9 | ull hash[N],p[N],b=131;
      |     ^~~~
0_0_39475714_28685.cpp:24:47: error: reference to 'hash' is ambiguous
   24 |                 for(int i=1;i<=n;i++) hash[i]=hash[i-1]*b+B[i-1 ];
      |                                               ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/functional_hash.h:59:12: note: candidates are: 'template<class _Tp> struct std::hash'
   59 |     struct hash;
      |            ^~~~
0_0_39475714_28685.cpp:9:5: note:                 'ull hash [1048577]'
    9 | ull hash[N],p[N],b=131;
      |     ^~~~
0_0_39475714_28685.cpp:30:28: error: reference to 'hash' is ambiguous
   30 |                         if(hash[j+m]-hash[j]*p[m]==h) ans++;
      |                            ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/functional_hash.h:59:12: note: candidates are: 'template<class _Tp> struct std::hash'
   59 |     struct hash;
      |            ^~~~
0_0_39475714_28685.cpp:9:5: note:                 'ull hash [1048577]'
    9 | ull hash[N],p[N],b=131;
      |     ^~~~
0_0_39475714_28685.cpp:30:38: error: reference to 'hash' is ambiguous
   30 |                         if(hash[j+m]-hash[j]*p[m]==h) ans++;
      |                                      ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/functional_hash.h:59:12: note: candidates are: 'template<class _Tp> struct std::hash'
   59 |     struct hash;
      |            ^~~~
0_0_39475714_28685.cpp:9:5: note:                 'ull hash [1048577]'
    9 | ull hash[N],p[N],b=131;
      |     ^~~~


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