0_0_38856912_29495.cpp:12:1: error: reference to 'data' is ambiguous
12 | data b[500];
| ^~~~
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++/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_38856912_29495.cpp:1:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:346:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(initializer_list<_Tp>)'
346 | data(initializer_list<_Tp> __il) noexcept
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:336:5: note: 'template<class _Tp, long long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])'
336 | data(_Tp (&__array)[_Nm]) noexcept
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:325:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)'
325 | data(const _Container& __cont) noexcept(noexcept(__cont.data()))
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:314:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)'
314 | data(_Container& __cont) noexcept(noexcept(__cont.data()))
| ^~~~
0_0_38856912_29495.cpp:6:7: note: 'class data'
6 | class data
| ^~~~
0_0_38856912_29495.cpp:15:16: error: reference to 'data' is ambiguous
15 | int cmp1(const data a, const data b) //结构体的从大到小排序
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:346:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(initializer_list<_Tp>)'
346 | data(initializer_list<_Tp> __il) noexcept
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:336:5: note: 'template<class _Tp, long long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])'
336 | data(_Tp (&__array)[_Nm]) noexcept
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:325:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)'
325 | data(const _Container& __cont) noexcept(noexcept(__cont.data()))
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:314:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)'
314 | data(_Container& __cont) noexcept(noexcept(__cont.data()))
| ^~~~
0_0_38856912_29495.cpp:6:7: note: 'class data'
6 | class data
| ^~~~
0_0_38856912_29495.cpp:15:30: error: reference to 'data' is ambiguous
15 | int cmp1(const data a, const data b) //结构体的从大到小排序
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:346:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(initializer_list<_Tp>)'
346 | data(initializer_list<_Tp> __il) noexcept
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:336:5: note: 'template<class _Tp, long long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])'
336 | data(_Tp (&__array)[_Nm]) noexcept
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:325:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)'
325 | data(const _Container& __cont) noexcept(noexcept(__cont.data()))
| ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:314:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)'
314 | data(_Container& __cont) noexcept(noexcept(__cont.data()))
| ^~~~
0_0_38856912_29495.cpp:6:7: note: 'class data'
6 | class data
| ^~~~
0_0_38856912_29495.cpp: In function 'int cmp1(int, int)':
0_0_38856912_29495.cpp:17:18: error: request for member 'num' in 'a', which is of non-class type 'const int'
17 | return a.num > b.num;
| ^~~
0_0_38856912_29495.cpp:17:26: error: request for member 'num' in 'b', which is of non-class type 'const int'
17 | return a.num > b.num;
| ^~~
0_0_38856912_29495.cpp: In function 'int main()':
0_0_38856912_29495.cpp:38:25: error: 'b' was not declared in this scope
38 | b[i].num = 0.0;
| ^
0_0_38856912_29495.cpp:45:22: error: 'b' was not declared in this scope
45 | sort(b, b + m, cmp1); //排序
| ^
|