首先代码是这样的
#include <bits/stdc++.h>
using namespace std;
int n;
struct node
{
string name;
int born, id;
}a[105];
int main() {
cin >> n;
for (int i = 1; i <= n; i++)
{
int y, m, d;
cin >> a[i].name >> y >> m >> d;
a[i].born = y * 10000 + m * 100 + d;
a[i].id = i;
}
sort(a + 1, a + n + 1);
for (int i = 1; i <= n; i++)
{
cout << a[i].name << endl;
}
return 0;
}
然后编译报错成这样
In file included from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algobase.h:71,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/char_traits.h:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ios:40,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/istream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/sstream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/complex:45,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ccomplex:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
from /tmp/compiler_om7o6vr5/src:2:
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/predefined_ops.h: In instantiation of ‘constexpr bool __gnu_cxx::__ops::_Iter_less_iter::operator()(_Iterator1, _Iterator2) const [with _Iterator1 = node*; _Iterator2 = node*]’:
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:81:17: required from ‘void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = node*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:1920:34: required from ‘_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = node*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:1952:38: required from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = node*; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:1967:25: required from ‘void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = node*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:4867:18: required from ‘void std::sort(_RAIter, _RAIter) [with _RAIter = node*]’
/tmp/compiler_om7o6vr5/src:23:24: required from here
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/predefined_ops.h:43:23: 错误:no match for ‘operator<’ (operand types are ‘node’ and ‘node’)
43 | { return *__it1 < *__it2; }
| ~~~~~~~^~~~~~~~
In file included from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algobase.h:67,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/char_traits.h:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ios:40,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/istream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/sstream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/complex:45,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ccomplex:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
from /tmp/compiler_om7o6vr5/src:2:
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_iterator.h:915:5: 附注:candidate: ‘template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)’
915 | operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
| ^~~~~~~~
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_iterator.h:915:5: 附注: template argument deduction/substitution failed:
In file included from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algobase.h:71,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/char_traits.h:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ios:40,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/istream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/sstream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/complex:45,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ccomplex:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
from /tmp/compiler_om7o6vr5/src:2:
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/predefined_ops.h:43:23: 附注: ‘node’ is not derived from ‘const __gnu_cxx::__normal_iterator<_IteratorL, _Container>’
43 | { return *__it1 < *__it2; }
| ~~~~~~~^~~~~~~~
In file included from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algobase.h:67,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/char_traits.h:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ios:40,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/istream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/sstream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/complex:45,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ccomplex:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
from /tmp/compiler_om7o6vr5/src:2:
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_iterator.h:922:5: 附注:candidate: ‘template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)’
922 | operator<(const __normal_iterator<_Iterator, _Container>& __lhs,
| ^~~~~~~~
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_iterator.h:922:5: 附注: template argument deduction/substitution failed:
In file included from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algobase.h:71,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/char_traits.h:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ios:40,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/istream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/sstream:38,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/complex:45,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/ccomplex:39,
from /nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
from /tmp/compiler_om7o6vr5/src:2:
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/predefined_ops.h:43:23: 附注: ‘node’ is not derived from ‘const __gnu_cxx::__normal_iterator<_Iterator, _Container>’
43 | { return *__it1 < *__it2; }
| ~~~~~~~^~~~~~~~
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/predefined_ops.h: In instantiation of ‘bool __gnu_cxx::__ops::_Val_less_iter::operator()(_Value&, _Iterator) const [with _Value = node; _Iterator = node*]’:
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:1827:20: required from ‘void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = node*; _Compare = __gnu_cxx::__ops::_Val_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:1854:36: required from ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = node*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:1884:25: required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = node*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:1970:31: required from ‘void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = node*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’
/nix/store/496xlqhx1mk41sdmrl58xi5y4pa0alys-luogu-gcc-9.3.0/include/c++/9.3.0/bits/stl_algo.h:4867:18: required from ‘void std::sort(_RAIter, _RAIter) [with _RAIter = node*]’
/tmp/compiler_om7o6vr5/src:23:24: required from he
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