0_0_39472941_20580.cpp: In function 'void dfs(int)':
0_0_39472941_20580.cpp:28:19: error: no match for 'operator+' (operand types are 'node' and 'node')
28 | sum = sum + dp[g[u][i]];
| ~~~ ^ ~~~~~~~~~~~
| | |
| node node
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:48,
from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/locale_classes.h:40,
from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/ios_base.h:41,
from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ios:44,
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_39472941_20580.cpp:1:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:634:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_IteratorL> std::operator+(typename reverse_iterator<_IteratorL>::difference_type, const reverse_iterator<_IteratorL>&)'
634 | operator+(typename reverse_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:634:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'const std::reverse_iterator<_IteratorL>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:1808:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)'
1808 | operator+(typename move_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:1808:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'const std::move_iterator<_IteratorL>'
28 | sum = sum + dp[g[u][i]];
| ^
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:54:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3552:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3552 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3552:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3570:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3570 | operator+(const _CharT* __lhs,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3570:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: mismatched types 'const _CharT*' and 'node'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3589:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3589 | operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs)
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3589:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3606:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3606 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3606:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3624:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
3624 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3624:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3636:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3636 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3636:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3643:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3643 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3643:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3650:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3650 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3650:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: 'node' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3673:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3673 | operator+(const _CharT* __lhs,
| ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3673:5: note: template argument deduction/substitution failed:
0_0_39472941_20580.cpp:28:31: note: mismatched types 'const _CharT*' and 'node'
28 | sum = sum + dp[g[u][i]];
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3680:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3680 | operator+(_CharT __lhs,
| ^~~~~~~~
gcc-13.1
|
