0_0_39022201_25557.cpp: In function 'void dfs(int, int, int)':
0_0_39022201_25557.cpp:21:51: error: reference to 'visit' is ambiguous
21 | 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_39022201_25557.cpp:3:16: note: 'char visit [8][8]'
3 | char mat[8][8],visit[8][8];
| ^~~~~
0_0_39022201_25557.cpp:22:13: error: reference to 'visit' is ambiguous
22 | visit[xx][yy] = 1; //地板标记为走过，不能再走
| ^~~~~
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_39022201_25557.cpp:3:16: note: 'char visit [8][8]'
3 | char mat[8][8],visit[8][8];
| ^~~~~
0_0_39022201_25557.cpp:24:13: error: reference to 'visit' is ambiguous
24 | visit[xx][yy] = 0; //递归返回，这块地板恢复为没走过
| ^~~~~
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_39022201_25557.cpp:3:16: note: 'char visit [8][8]'
3 | char mat[8][8],visit[8][8];
| ^~~~~
0_0_39022201_25557.cpp: In function 'int main()':
0_0_39022201_25557.cpp:38:16: error: reference to 'visit' is ambiguous
38 | 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_39022201_25557.cpp:3:16: note: 'char visit [8][8]'
3 | char mat[8][8],visit[8][8];
| ^~~~~
0_0_39022201_25557.cpp:38:33: error: reference to 'visit' is ambiguous
38 | 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_39022201_25557.cpp:3:16: note: 'char visit [8][8]'
3 | char mat[8][8],visit[8][8];
| ^~~~~
0_0_39022201_25557.cpp:42:9: error: reference to 'visit' is ambiguous
42 | visit[a][b] = 1; //标记起点已经走过
| ^~~~~
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_39022201_25557.cpp:3:16: note: 'char visit [8][8]'
3 | char mat[8][8],visit[8][8];
| ^~~~~
|
