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View Compilation Error

0_0_39013147_14295.cpp: In function 'void dfs(int, int, int)':
0_0_39013147_14295.cpp:19:59: error: reference to 'visit' is ambiguous
   19 |                 if(CHECK(xx,yy) && mat[xx][yy] != 'X' && !visit[xx][yy]) {
      |                                                           ^~~~~
In file included from .\stdc++.h:80:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1867:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1867 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1827:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1827 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
0_0_39013147_14295.cpp:3:17: note:                 'char visit [8][8]'
    3 | char mat[8][8], visit[8][8];
      |                 ^~~~~
0_0_39013147_14295.cpp:20:25: error: reference to 'visit' is ambiguous
   20 |                         visit[xx][yy] = 1;
      |                         ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1867:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1867 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1827:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1827 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
0_0_39013147_14295.cpp:3:17: note:                 'char visit [8][8]'
    3 | char mat[8][8], visit[8][8];
      |                 ^~~~~
0_0_39013147_14295.cpp:22:25: error: reference to 'visit' is ambiguous
   22 |                         visit[xx][yy] = 0;
      |                         ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1867:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1867 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1827:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1827 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
0_0_39013147_14295.cpp:3:17: note:                 'char visit [8][8]'
    3 | char mat[8][8], visit[8][8];
      |                 ^~~~~
0_0_39013147_14295.cpp: In function 'int main()':
0_0_39013147_14295.cpp:36:24: error: reference to 'visit' is ambiguous
   36 |                 memset(visit, 0, sizeof(visit));
      |                        ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1867:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1867 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1827:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1827 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
0_0_39013147_14295.cpp:3:17: note:                 'char visit [8][8]'
    3 | char mat[8][8], visit[8][8];
      |                 ^~~~~
0_0_39013147_14295.cpp:36:41: error: reference to 'visit' is ambiguous
   36 |                 memset(visit, 0, sizeof(visit));
      |                                         ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1867:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1867 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1827:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1827 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
0_0_39013147_14295.cpp:3:17: note:                 'char visit [8][8]'
    3 | char mat[8][8], visit[8][8];
      |                 ^~~~~
0_0_39013147_14295.cpp:40:17: error: reference to 'visit' is ambiguous
   40 |                 visit[a][b] = 1;
      |                 ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1867:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1867 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/variant:1827:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1827 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
0_0_39013147_14295.cpp:3:17: note:                 'char visit [8][8]'
    3 | char mat[8][8], visit[8][8];
      |                 ^~~~~


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