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View Compilation Error

0_0_39301585_14488.cpp: In function 'void dfs1(int, int)':
0_0_39301585_14488.cpp:23:9: error: reference to 'size' is ambiguous
   23 |         size[u] = 1;
      |         ^~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:53,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bitset:52,
                 from .\stdc++.h:52:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39301585_14488.cpp:20:28: note:                 'int size [40002]'
   20 | int dist[maxn], dep[maxn], size[maxn], son[maxn], fa[maxn];
      |                            ^~~~
0_0_39301585_14488.cpp:32:17: error: reference to 'size' is ambiguous
   32 |                 size[u] += size[v];
      |                 ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39301585_14488.cpp:20:28: note:                 'int size [40002]'
   20 | int dist[maxn], dep[maxn], size[maxn], son[maxn], fa[maxn];
      |                            ^~~~
0_0_39301585_14488.cpp:32:28: error: reference to 'size' is ambiguous
   32 |                 size[u] += size[v];
      |                            ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39301585_14488.cpp:20:28: note:                 'int size [40002]'
   20 | int dist[maxn], dep[maxn], size[maxn], son[maxn], fa[maxn];
      |                            ^~~~
0_0_39301585_14488.cpp:33:21: error: reference to 'size' is ambiguous
   33 |                 if (size[v] > size[son[u]]) {
      |                     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39301585_14488.cpp:20:28: note:                 'int size [40002]'
   20 | int dist[maxn], dep[maxn], size[maxn], son[maxn], fa[maxn];
      |                            ^~~~
0_0_39301585_14488.cpp:33:31: error: reference to 'size' is ambiguous
   33 |                 if (size[v] > size[son[u]]) {
      |                               ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39301585_14488.cpp:20:28: note:                 'int size [40002]'
   20 | int dist[maxn], dep[maxn], size[maxn], son[maxn], fa[maxn];
      |                            ^~~~


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