0_0_39536986_8247.cpp: In function 'void build(int)':
0_0_39536986_8247.cpp:10:26: error: no matching function for call to 'begin(std::pair<int, int>&)'
10 | for (auto i : e[x])
| ^
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/algorithmfwd.h:39,
from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_algo.h:59,
from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/algorithm:61,
from .\stdc++.h:51:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/initializer_list:88:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(initializer_list<_Tp>)'
88 | begin(initializer_list<_Tp> __ils) noexcept
| ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/initializer_list:88:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: 'std::pair<int, int>' is not derived from 'std::initializer_list<_Tp>'
10 | for (auto i : e[x])
| ^
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:52:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&)'
52 | begin(_Container& __cont) -> decltype(__cont.begin())
| ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:52:5: note: template argument deduction/substitution failed:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&) [with _Container = std::pair<int, int>]':
0_0_39536986_8247.cpp:10:19: required from here
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:52:50: error: 'struct std::pair<int, int>' has no member named 'begin'
52 | begin(_Container& __cont) -> decltype(__cont.begin())
| ~~~~~~~^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:63:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&)'
63 | begin(const _Container& __cont) -> decltype(__cont.begin())
| ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:63:5: note: template argument deduction/substitution failed:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&) [with _Container = std::pair<int, int>]':
0_0_39536986_8247.cpp:10:19: required from here
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:63:56: error: 'const struct std::pair<int, int>' has no member named 'begin'
63 | begin(const _Container& __cont) -> decltype(__cont.begin())
| ~~~~~~~^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:95:5: note: candidate: 'template<class _Tp, long long unsigned int _Nm> constexpr _Tp* std::begin(_Tp (&)[_Nm])'
95 | begin(_Tp (&__arr)[_Nm]) noexcept
| ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:95:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: mismatched types '_Tp [_Nm]' and 'std::pair<int, int>'
10 | for (auto i : e[x])
| ^
In file included from .\stdc++.h:166:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1219:5: note: candidate: 'template<class _Tp> _Tp* std::begin(valarray<_Tp>&)'
1219 | begin(valarray<_Tp>& __va) noexcept
| ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1219:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: 'std::pair<int, int>' is not derived from 'std::valarray<_Tp>'
10 | for (auto i : e[x])
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1230:5: note: candidate: 'template<class _Tp> const _Tp* std::begin(const valarray<_Tp>&)'
1230 | begin(const valarray<_Tp>& __va) noexcept
| ^~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1230:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: 'std::pair<int, int>' is not derived from 'const std::valarray<_Tp>'
10 | for (auto i : e[x])
| ^
0_0_39536986_8247.cpp:10:26: error: no matching function for call to 'end(std::pair<int, int>&)'
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/initializer_list:99:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(initializer_list<_Tp>)'
99 | end(initializer_list<_Tp> __ils) noexcept
| ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/initializer_list:99:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: 'std::pair<int, int>' is not derived from 'std::initializer_list<_Tp>'
10 | for (auto i : e[x])
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:74:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
74 | end(_Container& __cont) -> decltype(__cont.end())
| ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:74:5: note: template argument deduction/substitution failed:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&) [with _Container = std::pair<int, int>]':
0_0_39536986_8247.cpp:10:19: required from here
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:74:48: error: 'struct std::pair<int, int>' has no member named 'end'
74 | end(_Container& __cont) -> decltype(__cont.end())
| ~~~~~~~^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:85:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
85 | end(const _Container& __cont) -> decltype(__cont.end())
| ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:85:5: note: template argument deduction/substitution failed:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&) [with _Container = std::pair<int, int>]':
0_0_39536986_8247.cpp:10:19: required from here
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:85:54: error: 'const struct std::pair<int, int>' has no member named 'end'
85 | end(const _Container& __cont) -> decltype(__cont.end())
| ~~~~~~~^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:106:5: note: candidate: 'template<class _Tp, long long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
106 | end(_Tp (&__arr)[_Nm]) noexcept
| ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:106:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: mismatched types '_Tp [_Nm]' and 'std::pair<int, int>'
10 | for (auto i : e[x])
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1241:5: note: candidate: 'template<class _Tp> _Tp* std::end(valarray<_Tp>&)'
1241 | end(valarray<_Tp>& __va) noexcept
| ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1241:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: 'std::pair<int, int>' is not derived from 'std::valarray<_Tp>'
10 | for (auto i : e[x])
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1257:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const valarray<_Tp>&)'
1257 | end(const valarray<_Tp>& __va) noexcept
| ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1257:5: note: template argument deduction/substitution failed:
0_0_39536986_8247.cpp:10:26: note: 'std::pair<int, int>' is not derived from 'const std::valarray<_Tp>'
10 | for (auto i : e[x])
| ^
0_0_39536986_8247.cpp: In function 'void dfs(int, int)':
0_0_39536986_8247.cpp:25:26: error: no matching function for call to 'begin(std::pair<int, int>&)'
25 | for (auto i : e[x])
| ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/initializer_list:88:5: note: candidate: 'template<clas
|