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View Compilation Error

0_0_39521526_22549.cpp: In function 'void Insert(ll, ll)':
0_0_39521526_22549.cpp:20:9: error: reference to 'hash' is ambiguous
   20 |         hash[k].next = -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_39521526_22549.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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:21:9: error: reference to 'hash' is ambiguous
   21 |         hash[k].id = a;
      |         ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:22:9: error: reference to 'hash' is ambiguous
   22 |         hash[k].data = b;
      |         ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:25:12: error: reference to 'hash' is ambiguous
   25 |     while( hash[k].next != -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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:27:13: error: reference to 'hash' is ambiguous
   27 |         if( hash[k].data == b ) return;
      |             ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:28:13: error: reference to 'hash' is ambiguous
   28 |         k = hash[k].next;
      |             ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:30:10: error: reference to 'hash' is ambiguous
   30 |     if ( hash[k].data == b ) return;
      |          ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:31:5: error: reference to 'hash' is ambiguous
   31 |     hash[k].next = ++top;
      |     ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:32:5: error: reference to 'hash' is ambiguous
   32 |     hash[top].next = -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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:33:5: error: reference to 'hash' is ambiguous
   33 |     hash[top].id = a;
      |     ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:34:5: error: reference to 'hash' is ambiguous
   34 |     hash[top].data = b;
      |     ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp: In function 'll Find(ll)':
0_0_39521526_22549.cpp:43:13: error: reference to 'hash' is ambiguous
   43 |         if( hash[k].data == b ) return hash[k].id;
      |             ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:43:40: error: reference to 'hash' is ambiguous
   43 |         if( hash[k].data == b ) return hash[k].id;
      |                                        ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~
0_0_39521526_22549.cpp:44:13: error: reference to 'hash' is ambiguous
   44 |         k = hash[k].next;
      |             ^~~~
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_39521526_22549.cpp:11:10: note:                 'HashNode hash [262142]'
   11 | HashNode hash[MAXN<<1];
      |          ^~~~


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