0_0_38612036_23427.cpp: In function 'void bfs()':
0_0_38612036_23427.cpp:52:9: error: reference to 'size' is ambiguous
size[now]=1;
^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:51,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
from 0_0_38612036_23427.cpp:7:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:252:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
size(const _Tp (&/*__array*/)[_Nm]) noexcept
^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:242:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
size(const _Container& __cont) noexcept(noexcept(__cont.size()))
^~~~
0_0_38612036_23427.cpp:18:18: note: 'int size [100010]'
int father[MAXN],size[MAXN],level[MAXN],data[MAXN],top[MAXN];
^~~~
0_0_38612036_23427.cpp:72:13: error: reference to 'size' is ambiguous
size[father[now]]+=size[now];
^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:51,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
from 0_0_38612036_23427.cpp:7:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:252:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
size(const _Tp (&/*__array*/)[_Nm]) noexcept
^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:242:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
size(const _Container& __cont) noexcept(noexcept(__cont.size()))
^~~~
0_0_38612036_23427.cpp:18:18: note: 'int size [100010]'
int father[MAXN],size[MAXN],level[MAXN],data[MAXN],top[MAXN];
^~~~
0_0_38612036_23427.cpp:72:32: error: reference to 'size' is ambiguous
size[father[now]]+=size[now];
^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:51,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
from 0_0_38612036_23427.cpp:7:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:252:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
size(const _Tp (&/*__array*/)[_Nm]) noexcept
^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:242:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
size(const _Container& __cont) noexcept(noexcept(__cont.size()))
^~~~
0_0_38612036_23427.cpp:18:18: note: 'int size [100010]'
int father[MAXN],size[MAXN],level[MAXN],data[MAXN],top[MAXN];
^~~~
0_0_38612036_23427.cpp:73:38: error: reference to 'size' is ambiguous
if (son[father[now]]==0||size[now]>size[son[father[now]]])
^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:51,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
from 0_0_38612036_23427.cpp:7:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:252:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
size(const _Tp (&/*__array*/)[_Nm]) noexcept
^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:242:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
size(const _Container& __cont) noexcept(noexcept(__cont.size()))
^~~~
0_0_38612036_23427.cpp:18:18: note: 'int size [100010]'
int father[MAXN],size[MAXN],level[MAXN],data[MAXN],top[MAXN];
^~~~
0_0_38612036_23427.cpp:73:48: error: reference to 'size' is ambiguous
if (son[father[now]]==0||size[now]>size[son[father[now]]])
^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:51,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
from 0_0_38612036_23427.cpp:7:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:252:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
size(const _Tp (&/*__array*/)[_Nm]) noexcept
^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:242:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
size(const _Container& __cont) noexcept(noexcept(__cont.size()))
^~~~
0_0_38612036_23427.cpp:18:18: note: 'int size [100010]'
int father[MAXN],size[MAXN],level[MAXN],data[MAXN],top[MAXN];
^~~~
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