0_0_38688689_28567.cpp: In function 'void add(int, int, int)':
0_0_38688689_28567.cpp:44:32: error: reference to 'next' is ambiguous
44 | to[edge] = v, w[edge] = c, next[edge] = head[u], head[u] = edge++;
| ^~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_construct.h:62,
from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/char_traits.h:57,
from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ios:42,
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_38688689_28567.cpp:1:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: 'template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)'
232 | next(_InputIterator __x, typename
| ^~~~
0_0_38688689_28567.cpp:11:27: note: 'int next [2000005]'
11 | int head[maxn], to[maxm], next[maxm], w[maxm], edge;
| ^~~~
0_0_38688689_28567.cpp:45:32: error: reference to 'next' is ambiguous
45 | to[edge] = u, w[edge] = c, next[edge] = head[v], head[v] = edge++;
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: 'template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)'
232 | next(_InputIterator __x, typename
| ^~~~
0_0_38688689_28567.cpp:11:27: note: 'int next [2000005]'
11 | int head[maxn], to[maxm], next[maxm], w[maxm], edge;
| ^~~~
0_0_38688689_28567.cpp: In function 'void bfs(int)':
0_0_38688689_28567.cpp:59:39: error: reference to 'next' is ambiguous
59 | for (int i = head[u]; ~i; i = next[i]) {
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: 'template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)'
232 | next(_InputIterator __x, typename
| ^~~~
0_0_38688689_28567.cpp:11:27: note: 'int next [2000005]'
11 | int head[maxn], to[maxm], next[maxm], w[maxm], edge;
| ^~~~
|
