answer.code: In function ‘void findroot(int, int)’:
answer.code:26:30: error: reference to ‘size’ is ambiguous
   26 |         }maxx[x]=max(maxx[x],size-soncnt[x]);
      |                              ^~~~
In file included from /usr/include/c++/13/string:53,
                 from /usr/include/c++/13/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52,
                 from answer.code:1:
/usr/include/c++/13/bits/range_access.h:274:5: note: candidates are: ‘template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])’
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/13/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()))
      |     ^~~~
answer.code:15:24: note:                 ‘int size’
   15 | int maxx[1000010],root,size;
      |                        ^~~~
answer.code: In function ‘void dfs(int)’:
answer.code:58:24: error: reference to ‘size’ is ambiguous
   58 |                 root=0;size=soncnt[go];
      |                        ^~~~
/usr/include/c++/13/bits/range_access.h:274:5: note: candidates are: ‘template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])’
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/13/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()))
      |     ^~~~
answer.code:15:24: note:                 ‘int size’
   15 | int maxx[1000010],root,size;
      |                        ^~~~
answer.code: In function ‘int main()’:
answer.code:76:37: error: reference to ‘size’ is ambiguous
   76 |                 }maxx[0]=1e9,root=0,size=n;
      |                                     ^~~~
/usr/include/c++/13/bits/range_access.h:274:5: note: candidates are: ‘template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])’
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/13/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()))
      |     ^~~~
answer.code:15:24: note:                 ‘int size’
   15 | int maxx[1000010],root,size;
      |                        ^~~~