/ Vijos /

记录详情

Compile Error

foo.cc:1:1: error: stray '`' in program
 ```cpp
 ^
foo.cc:1:2: error: stray '`' in program
 ```cpp
  ^
foo.cc:1:3: error: stray '`' in program
 ```cpp
   ^
foo.cc:125:1: error: stray '`' in program
 ```
 ^
foo.cc:125:2: error: stray '`' in program
 ```
  ^
foo.cc:125:3: error: stray '`' in program
 ```
   ^
foo.cc:1:4: error: 'cpp' does not name a type
 ```cpp
    ^~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:62:0,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of symbol
   __is_null_pointer(std::nullptr_t)
                                   ^
/usr/include/c++/7/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
     __is_null_pointer(_Type)
     ^~~~~~~~~~~~~~~~~
/usr/include/c++/7/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
   __is_null_pointer(std::nullptr_t)
                          ^~~~~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:362:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:363:25: error: '_Size' was not declared in this scope
     struct is_array<_Tp[_Size]>
                         ^~~~~
/usr/include/c++/7/type_traits:363:31: error: template argument 1 is invalid
     struct is_array<_Tp[_Size]>
                               ^
/usr/include/c++/7/type_traits:561:42: error: 'nullptr_t' is not a member of 'std'
     struct __is_null_pointer_helper<std::nullptr_t>
                                          ^~~~~~~~~
/usr/include/c++/7/type_traits:561:42: error: 'nullptr_t' is not a member of 'std'
/usr/include/c++/7/type_traits:561:51: error: template argument 1 is invalid
     struct __is_null_pointer_helper<std::nullptr_t>
                                                   ^
/usr/include/c++/7/type_traits:1464:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, __alignof__(_Tp)> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1464:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1464:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, __alignof__(_Tp)> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1464:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1464:61: error: template argument 1 is invalid
     : public integral_constant<std::size_t, __alignof__(_Tp)> { };
                                                             ^
/usr/include/c++/7/type_traits:1464:61: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1469:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 0> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1469:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1469:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 0> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1469:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1469:46: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 0> { };
                                              ^
/usr/include/c++/7/type_traits:1469:46: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1471:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:1472:21: error: '_Size' was not declared in this scope
     struct rank<_Tp[_Size]>
                     ^~~~~
/usr/include/c++/7/type_traits:1472:27: error: template argument 1 is invalid
     struct rank<_Tp[_Size]>
                           ^
/usr/include/c++/7/type_traits:1473:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1473:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1473:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1473:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1473:65: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                                                 ^
/usr/include/c++/7/type_traits:1473:65: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1477:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1477:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1477:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1477:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1477:65: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                                                 ^
/usr/include/c++/7/type_traits:1477:65: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1482:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 0> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1482:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1482:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 0> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1482:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1482:46: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 0> { };
                                              ^
/usr/include/c++/7/type_traits:1482:46: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1484:47: error: 'std::size_t' has not been declared
   template<typename _Tp, unsigned _Uint, std::size_t _Size>
                                               ^~~~~~
/usr/include/c++/7/type_traits:1485:23: error: '_Size' was not declared in this scope
     struct extent<_Tp[_Size], _Uint>
                       ^~~~~
/usr/include/c++/7/type_traits:1485:36: error: template argument 1 is invalid
     struct extent<_Tp[_Size], _Uint>
                                    ^
/usr/include/c++/7/type_traits:1486:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t,
                                     ^~~~~~
/usr/include/c++/7/type_traits:1486:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1486:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t,
                                     ^~~~~~
/usr/include/c++/7/type_traits:1486:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1487:24: error: '_Size' was not declared in this scope
           _Uint == 0 ? _Size : extent<_Tp,
                        ^~~~~
/usr/include/c++/7/type_traits:1488:28: error: template argument 1 is invalid
           _Uint - 1>::value>
                            ^
/usr/include/c++/7/type_traits:1488:28: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1493:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t,
                                     ^~~~~~
/usr/include/c++/7/type_traits:1493:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1493:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t,
                                     ^~~~~~
/usr/include/c++/7/type_traits:1493:37: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/type_traits:1495:31: error: template argument 1 is invalid
              _Uint - 1>::value>
                               ^
/usr/include/c++/7/type_traits:1495:31: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1944:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:1945:30: error: '_Size' was not declared in this scope
     struct remove_extent<_Tp[_Size]>
                              ^~~~~
/usr/include/c++/7/type_traits:1945:36: error: template argument 1 is invalid
     struct remove_extent<_Tp[_Size]>
                                    ^
/usr/include/c++/7/type_traits:1957:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:1958:35: error: '_Size' was not declared in this scope
     struct remove_all_extents<_Tp[_Size]>
                                   ^~~~~
/usr/include/c++/7/type_traits:1958:41: error: template argument 1 is invalid
     struct remove_all_extents<_Tp[_Size]>
                                         ^
/usr/include/c++/7/type_traits:2016:17: error: 'std::size_t' has not been declared
   template<std::size_t _Len>
                 ^~~~~~
/usr/include/c++/7/type_traits:2021:23: error: '_Len' was not declared in this scope
  unsigned char __data[_Len];
                       ^~~~
/usr/include/c++/7/type_traits:2036:17: error: 'std::size_t' has not been declared
   template<std::size_t _Len, std::size_t _Align =
                 ^~~~~~
/usr/include/c++/7/type_traits:2036:35: error: 'std::size_t' has not been declared
   template<std::size_t _Len, std::size_t _Align =
                                   ^~~~~~
/usr/include/c++/7/type_traits:2037:48: error: '_Len' was not declared in this scope
     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
                                                ^~~~
/usr/include/c++/7/type_traits:2037:52: error: template argument 1 is invalid
     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
                                                    ^
/usr/include/c++/7/type_traits:2042:23: error: '_Len' was not declared in this scope
  unsigned char __data[_Len];
                       ^~~~
/usr/include/c++/7/type_traits:2043:37: error: '_Align' was not declared in this scope
  struct __attribute__((__aligned__((_Align)))) { } __align;
                                     ^~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/bits/stl_pair.h:86:17: error: 'std::size_t' has not been declared
   template<std::size_t...>
                 ^~~~~~
/usr/include/c++/7/bits/stl_pair.h:434:41: error: 'std::size_t' has not been declared
       template<typename... _Args1, std::size_t... _Indexes1,
                                         ^~~~~~
/usr/include/c++/7/bits/stl_pair.h:435:41: error: 'std::size_t' has not been declared
                typename... _Args2, std::size_t... _Indexes2>
                                         ^~~~~~
/usr/include/c++/7/bits/stl_pair.h:437:27: error: '_Indexes1' was not declared in this scope
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                           ^~~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:437:27: note: suggested alternative: '_Index_tuple'
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                           ^~~~~~~~~
                           _Index_tuple
/usr/include/c++/7/bits/stl_pair.h:437:36: error: expected parameter pack before '...'
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                    ^~~
/usr/include/c++/7/bits/stl_pair.h:437:39: error: template argument 1 is invalid
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                       ^
/usr/include/c++/7/bits/stl_pair.h:437:55: error: '_Indexes2' was not declared in this scope
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                                       ^~~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:437:55: note: suggested alternative: '_Index_tuple'
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                                       ^~~~~~~~~
                                                       _Index_tuple
/usr/include/c++/7/bits/stl_pair.h:437:64: error: expected parameter pack before '...'
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                                                ^~~
/usr/include/c++/7/bits/stl_pair.h:437:67: error: template argument 1 is invalid
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                                                   ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:65:0,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/bits/stl_iterator_base_types.h:116:67: error: 'ptrdiff_t' does not name a type
   template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t,
                                                                   ^~~~~~~~~
/usr/include/c++/7/bits/stl_iterator_base_types.h:182:15: error: 'ptrdiff_t' does not name a type
       typedef ptrdiff_t                   difference_type;
               ^~~~~~~~~
/usr/include/c++/7/bits/stl_iterator_base_types.h:193:15: error: 'ptrdiff_t' does not name a type
       typedef ptrdiff_t                   difference_type;
               ^~~~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:66:0,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/bits/stl_iterator_base_funcs.h:110:5: error: 'ptrdiff_t' does not name a type
     ptrdiff_t
     ^~~~~~~~~
/usr/include/c++/7/bits/stl_iterator_base_funcs.h:116:5: error: 'ptrdiff_t' does not name a type
     ptrdiff_t
     ^~~~~~~~~
In file included from /usr/include/c++/7/bits/stl_iterator.h:66:0,
                 from /usr/include/c++/7/bits/stl_algobase.h:67,
                 from /usr/include/c++/7/bits/stl_tree.h:63,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/bits/ptr_traits.h:104:20: error: 'ptrdiff_t' was not declared in this scope
  = __detected_or_t<ptrdiff_t, __difference_type, _Ptr>;
                    ^~~~~~~~~
/usr/include/c++/7/bits/ptr_traits.h:104:54: error: template argument 1 is invalid
  = __detected_or_t<ptrdiff_t, __difference_type, _Ptr>;
                                                      ^
/usr/include/c++/7/bits/ptr_traits.h:130:15: error: 'ptrdiff_t' does not name a type
       typedef ptrdiff_t difference_type;
               ^~~~~~~~~
In file included from /usr/include/c++/7/bits/stl_tree.h:63:0,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/bits/stl_algobase.h: In static member function 'static _Tp* std::__copy_move<_IsMove, true, std::random_access_iterator_tag>::__copy_m(const _Tp*, const _Tp*, _Tp*)':
/usr/include/c++/7/bits/stl_algobase.h:366:10: error: 'ptrdiff_t' does not name a type
    const ptrdiff_t _Num = __last - __first;
          ^~~~~~~~~
/usr/include/c++/7/bits/stl_algobase.h:367:8: error: '_Num' was not declared in this scope
    if (_Num)
        ^~~~
/usr/include/c++/7/bits/stl_algobase.h:367:8: note: suggested alternative: '_NEW'
    if (_Num)
        ^~~~
        _NEW
/usr/include/c++/7/bits/stl_algobase.h:369:22: error: '_Num' was not declared in this scope
    return __result + _Num;
                      ^~~~
/usr/include/c++/7/bits/stl_algobase.h:369:22: note: suggested alternative: '_NEW'
    return __result + _Num;
                      ^~~~
                      _NEW
/usr/include/c++/7/bits/stl_algobase.h: In static member function 'static _Tp* std::__copy_move_backward<_IsMove, true, std::random_access_iterator_tag>::__copy_move_b(const _Tp*, const _Tp*, _Tp*)':
/usr/include/c++/7/bits/stl_algobase.h:568:10: error: 'ptrdiff_t' does not name a type
    const ptrdiff_t _Num = __last - __first;
          ^~~~~~~~~
/usr/include/c++/7/bits/stl_algobase.h:569:8: error: '_Num' was not declared in this scope
    if (_Num)
        ^~~~
/usr/include/c++/7/bits/stl_algobase.h:569:8: note: suggested alternative: '_NEW'
    if (_Num)
        ^~~~
        _NEW
/usr/include/c++/7/bits/stl_algobase.h:571:22: error: '_Num' was not declared in this scope
    return __result - _Num;
                      ^~~~
/usr/include/c++/7/bits/stl_algobase.h:571:22: note: suggested alternative: '_NEW'
    return __result - _Num;
                      ^~~~
                      _NEW
In file included from /usr/include/c++/7/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/new: At global scope:
/usr/include/c++/7/new:120:31: error: declaration of 'operator new' as non-function
 void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                               ^
/usr/include/c++/7/new:120:25: error: 'size_t' is not a member of 'std'
 void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                         ^~~~~~
/usr/include/c++/7/new:120:25: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/new:122:33: error: declaration of 'operator new []' as non-function
 void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                                 ^
/usr/include/c++/7/new:122:27: error: 'size_t' is not a member of 'std'
 void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                           ^~~~~~
/usr/include/c++/7/new:122:27: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/new:134:25: error: declaration of 'operator new' as non-function
 void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                         ^~~~~~
/usr/include/c++/7/new:134:25: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:134:25: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/new:134:33: error: expected primary-expression before 'const'
 void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                                 ^~~~~
/usr/include/c++/7/new:136:27: error: declaration of 'operator new []' as non-function
 void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                           ^~~~~~
/usr/include/c++/7/new:136:27: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:136:27: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/new:136:35: error: expected primary-expression before 'const'
 void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                                   ^~~~~
/usr/include/c++/7/new:168:32: error: declaration of 'operator new' as non-function
 inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
                                ^~~~~~
/usr/include/c++/7/new:168:32: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:168:32: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/new:168:40: error: expected primary-expression before 'void'
 inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
                                        ^~~~
/usr/include/c++/7/new:170:34: error: declaration of 'operator new []' as non-function
 inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
                                  ^~~~~~
/usr/include/c++/7/new:170:34: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:170:34: note: suggested alternative:
In file included from /usr/include/stdio.h:33:0,
                 from /usr/include/c++/7/cstdio:42,
                 from foo.cc:2:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/7/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/new:170:42: error: expected primary-expression before 'void'
 inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
                                          ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/c++allocator.h:33:0,
                 from /usr/include/c++/7/bits/allocator.h:46,
                 from /usr/include/c++/7/bits/stl_tree.h:64,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/ext/new_allocator.h:44:14: error: 'std::size_t' has not been declared
   using std::size_t;
              ^~~~~~
/usr/include/c++/7/ext/new_allocator.h:45:14: error: 'std::ptrdiff_t' has not been declared
   using std::ptrdiff_t;
              ^~~~~~~~~
In file included from /usr/include/c++/7/ext/alloc_traits.h:36:0,
                 from /usr/include/c++/7/bits/stl_tree.h:67,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/bits/alloc_traits.h:404:36: error: 'ptrdiff_t' in namespace 'std' does not name a type
       using difference_type = std::ptrdiff_t;
                                    ^~~~~~~~~
/usr/include/c++/7/bits/alloc_traits.h:407:30: error: 'size_t' in namespace 'std' does not name a type
       using size_type = std::size_t;
                              ^~~~~~
/usr/include/c++/7/bits/alloc_traits.h:435:37: error: 'size_type' has not been declared
       allocate(allocator_type& __a, size_type __n)
                                     ^~~~~~~~~
/usr/include/c++/7/bits/alloc_traits.h:449:37: error: 'size_type' has not been declared
       allocate(allocator_type& __a, size_type __n, const_void_pointer __hint)
                                     ^~~~~~~~~
/usr/include/c++/7/bits/alloc_traits.h:461:52: error: 'size_type' has not been declared
       deallocate(allocator_type& __a, pointer __p, size_type __n)
                                                    ^~~~~~~~~
/usr/include/c++/7/bits/alloc_traits.h:494:14: error: 'size_type' does not name a type; did you mean 'true_type'?
       static size_type
              ^~~~~~~~~
              true_type
In file included from /usr/include/c++/7/bits/stl_tree.h:69:0,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/ext/aligned_buffer.h:59:42: error: invalid use of '::'
       __aligned_membuf(std::nullptr_t) { }
                                          ^
/usr/include/c++/7/ext/aligned_buffer.h:59:42: error: expected ';' at end of member declaration
/usr/include/c++/7/ext/aligned_buffer.h:94:42: error: invalid use of '::'
       __aligned_buffer(std::nullptr_t) { }
                                          ^
/usr/include/c++/7/ext/aligned_buffer.h:94:42: error: expected ';' at end of member declaration
In file included from /usr/include/c++/7/algorithm:60:0,
                 from foo.cc:5:
/usr/include/c++/7/utility:128:17: error: 'std::size_t' has not been declared
   template<std::size_t __i, typename _Tp>
                 ^~~~~~
/usr/include/c++/7/utility:129:12: error: no default argument for '_Tp'
     struct tuple_element;
            ^~~~~~~~~~~~~
/usr/include/c++/7/utility:132:17: error: 'std::size_t' has not been declared
   template<std::size_t __i, typename _Tp>
                 ^~~~~~
/usr/include/c++/7/utility:133:54: error: '__i' was not declared in this scope
     using __tuple_element_t = typename tuple_element<__i, _Tp>::type;
                                                      ^~~
/usr/include/c++/7/utility:133:54: note: suggested alternative: '__N'
     using __tuple_element_t = typename tuple_element<__i, _Tp>::type;
                                                      ^~~
                                                      __N
/usr/include/c++/7/utility:133:62: error: template argument 1 is invalid
     using __tuple_element_t = typename tuple_element<__i, _Tp>::type;
                                                              ^
/usr/include/c++/7/utility:135:17: error: 'std::size_t' has not been declared
   template<std::size_t __i, typename _Tp>
                 ^~~~~~
/usr/include/c++/7/utility:136:26: error: '__i' was not declared in this scope
     struct tuple_element<__i, const _Tp>
                          ^~~
/usr/include/c++/7/utility:136:26: note: suggested alternative: '__N'
     struct tuple_element<__i, const _Tp>
                          ^~~
                          __N
/usr/include/c++/7/utility:136:40: error: template argument 1 is invalid
     struct tuple_element<__i, const _Tp>
                                        ^
/usr/include/c++/7/utility:141:17: error: 'std::size_t' has not been declared
   template<std::size_t __i, typename _Tp>
                 ^~~~~~
/usr/include/c++/7/utility:142:26: error: '__i' was not declared in this scope
     struct tuple_element<__i, volatile _Tp>
                          ^~~
/usr/include/c++/7/utility:142:26: note: suggested alternative: '__N'
     struct tuple_element<__i, volatile _Tp>
                          ^~~
                          __N
/usr/include/c++/7/utility:142:43: error: template argument 1 is invalid
     struct tuple_element<__i, volatile _Tp>
                                           ^
/usr/include/c++/7/utility:147:17: error: 'std::size_t' has not been declared
   template<std::size_t __i, typename _Tp>
                 ^~~~~~
/usr/include/c++/7/utility:148:26: error: '__i' was not declared in this scope
     struct tuple_element<__i, const volatile _Tp>
                          ^~~
/usr/include/c++/7/utility:148:26: note: suggested alternative: '__N'
     struct tuple_element<__i, const volatile _Tp>
                          ^~~
                          __N
/usr/include/c++/7/utility:148:49: error: template argument 1 is invalid
     struct tuple_element<__i, const volatile _Tp>
                                                 ^
/usr/include/c++/7/utility:170:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 2> { };
                                     ^~~~~~
/usr/include/c++/7/utility:170:37: note: suggested alternative: 'set'
     : public integral_constant<std::size_t, 2> { };
                                     ^~~~~~
                                     set
/usr/include/c++/7/utility:170:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/utility:170:37: note: suggested alternative: 'set'
     : public integral_constant<std::size_t, 2> { };
                                     ^~~~~~
                                     set
/usr/include/c++/7/utility:170:46: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 2> { };
                                              ^
/usr/include/c++/7/utility:170:46: note: invalid template non-type parameter
/usr/include/c++/7/utility:182:17: error: 'std::size_t' has not been declared
   template<std::size_t _Int>
                 ^~~~~~
/usr/include/c++/7/utility:223:17: error: 'std::size_t' has not been declared
   template<std::size_t _Int, class _Tp1, class _Tp2>
                 ^~~~~~
/usr/include/c++/7/utility:224:38: error: '_Int' was not declared in this scope
     constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
                                      ^~~~
/usr/include/c++/7/utility:224:38: note: suggested alternative: 'int'
     constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
                                      ^~~~
                                      int
/usr/include/c++/7/utility:224:64: error: template argument 1 is invalid
     constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
                                                                ^~
/usr/include/c++/7/utility: In function 'constexpr int& std::get(std::pair<_Tp1, _Tp2>&)':
/usr/include/c++/7/utility:226:25: error: '_Int' was not declared in this scope
     { return __pair_get<_Int>::__get(__in); }
                         ^~~~
/usr/include/c++/7/utility:226:25: note: suggested alternative: 'int'
     { return __pair_get<_Int>::__get(__in); }
                         ^~~~
                         int
/usr/include/c++/7/utility:226:29: error: template argument 1 is invalid
     { return __pair_get<_Int>::__get(__in); }
                             ^
/usr/include/c++/7/utility: At global scope:
/usr/include/c++/7/utility:228:17: error: 'std::size_t' has not been declared
   template<std::size_t _Int, class _Tp1, class _Tp2>
                 ^~~~~~
/usr/include/c++/7/utility:229:38: error: '_Int' was not declared in this scope
     constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&&
                                      ^~~~
/usr/include/c++/7/utility:229:38: note: suggested alternative: 'int'
     constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&&
                                      ^~~~
                                      int
/usr/include/c++/7/utility:229:64: error: template argument 1 is invalid
     constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&&
                                                                ^~
/usr/include/c++/7/utility: In function 'constexpr int&& std::get(std::pair<_Tp1, _Tp2>&&)':
/usr/include/c++/7/utility:231:25: error: '_Int' was not declared in this scope
     { return __pair_get<_Int>::__move_get(std::move(__in)); }
                         ^~~~
/usr/include/c++/7/utility:231:25: note: suggested alternative: 'int'
     { return __pair_get<_Int>::__move_get(std::move(__in)); }
                         ^~~~
                         int
/usr/include/c++/7/utility:231:29: error: template argument 1 is invalid
     { return __pair_get<_Int>::__move_get(std::move(__in)); }
                             ^
/usr/include/c++/7/utility: At global scope:
/usr/include/c++/7/utility:233:17: error: 'std::size_t' has not been declared
   template<std::size_t _Int, class _Tp1, class _Tp2>
                 ^~~~~~
/usr/include/c++/7/utility:234:44: error: '_Int' was not declared in this scope
     constexpr const typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
                                            ^~~~
/usr/include/c++/7/utility:234:44: note: suggested alternative: 'int'
     constexpr const typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
                                            ^~~~
                                            int
/usr/include/c++/7/utility:234:70: error: template argument 1 is invalid
     constexpr const typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
                                                                      ^~
/usr/include/c++/7/utility: In function 'constexpr const int& std::get(const std::pair<_Tp1, _Tp2>&)':
/usr/include/c++/7/utility:236:25: error: '_Int' was not declared in this scope
     { return __pair_get<_Int>::__const_get(__in); }
                         ^~~~
/usr/include/c++/7/utility:236:25: note: suggested alternative: 'int'
     { return __pair_get<_Int>::__const_get(__in); }
                         ^~~~
                         int
/usr/include/c++/7/utility:236:29: error: template argument 1 is invalid
     { return __pair_get<_Int>::__const_get(__in); }
                             ^
/usr/include/c++/7/utility: At global scope:
/usr/include/c++/7/utility:289:43: note: invalid template non-type parameter
     struct _Itup_cat<_Index_tuple<_Ind1...>, _Index_tuple<_Ind2...>>
                                           ^
/usr/include/c++/7/utility:289:64: note: invalid template non-type parameter
     struct _Itup_cat<_Index_tuple<_Ind1...>, _Index_tuple<_Ind2...>>
                                                                ^~~
/usr/include/c++/7/utility:289:67: error: template argument 1 is invalid
     struct _Itup_cat<_Index_tuple<_Ind1...>, _Index_tuple<_Ind2...>>
                                                                   ^~
/usr/include/c++/7/utility:289:67: error: template argument 2 is invalid
/usr/include/c++/7/utility:304:29: note: invalid template non-type parameter
       typedef _Index_tuple<0> __type;
                             ^
In file included from /usr/include/c++/7/bits/stl_algo.h:62:0,
                 from /usr/include/c++/7/algorithm:62,
                 from foo.cc:5:
/usr/include/c++/7/bits/stl_tempbuf.h: In function 'std::pair<_Tp*, long int> std::get_temporary_buffer(ptrdiff_t)':
/usr/include/c++/7/bits/stl_tempbuf.h:95:20: error: too many arguments to function 'void* operator new(long unsigned int)'
        std::nothrow));
                    ^
In file included from /usr/include/c++/7/bits/stl_tree.h:67:0,
                 from /usr/include/c++/7/set:60,
                 from foo.cc:3:
/usr/include/c++/7/ext/alloc_traits.h: In instantiation of 'struct __gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> > >':
/usr/include/c++/7/bits/stl_set.h:119:22:   required from 'class std::set<std::pair<int, int> >'
foo.cc:18:10:   required from here
/usr/include/c++/7/ext/alloc_traits.h:61:53: error: no type named 'size_type' in 'struct std::allocator_traits<std::allocator<std::pair<int, int> > >'
     typedef typename _Base_type::size_type          size_type;
                                                     ^~~~~~~~~
/usr/include/c++/7/ext/alloc_traits.h:62:53: error: no type named 'difference_type' in 'struct std::allocator_traits<std::allocator<std::pair<int, int> > >'
     typedef typename _Base_type::difference_type    difference_type;
                                                     ^~~~~~~~~~~~~~~
/usr/include/c++/7/ext/alloc_traits.h:70:23: error: no members matching '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> > >::_Base_type {aka std::allocator_traits<std::allocator<std::pair<int, int> > >}::max_size' in '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> > >::_Base_type {aka struct std::allocator_traits<std::allocator<std::pair<int, int> > >}'
     using _Base_type::max_size;
                       ^~~~~~~~
/usr/include/c++/7/ext/alloc_traits.h: In instantiation of 'struct __gnu_cxx::__alloc_traits<std::allocator<std::_Rb_tree_node<std::pair<int, int> > > >':
/usr/include/c++/7/bits/stl_tree.h:650:24:   required from 'void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_destroy_node(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type) [with _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type = std::_Rb_tree_node<std::pair<int, int> >*]'
/usr/include/c++/7/bits/stl_tree.h:658:17:   required from 'void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_drop_node(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type) [with _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type = std::_Rb_tree_node<std::pair<int, int> >*]'
/usr/include/c++/7/bits/stl_tree.h:1858:16:   required from 'void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_erase(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type) [with _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type = std::_Rb_tree_node<std::pair<int, int> >*]'
/usr/include/c++/7/bits/stl_tree.h:949:17:   required from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::~_Rb_tree() [with _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
/usr/include/c++/7/bits/stl_set.h:157:7:   required from here
/usr/include/c++/7/ext/alloc_traits.h:61:53: error: no type named 'size_type' in 'struct std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<int, int> > > >'
     typedef typename _Base_type::size_type          size_type;
                                                     ^~~~~~~~~
/usr/include/c++/7/ext/alloc_traits.h:62:53: error: no type named 'difference_type' in 'struct std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<int, int> > > >'
     typedef typename _Base_type::difference_type    difference_type;
                                                     ^~~~~~~~~~~~~~~
/usr/include/c++/7/ext/alloc_traits.h:70:23: error: no members matching '__gnu_cxx::__alloc_traits<std::allocator<std::_Rb_tree_node<std::pair<int, int> > > >::_Base_type {aka std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<int, int> > > >}::max_size' in '__gnu_cxx::__alloc_traits<std::allocator<std::_Rb_tree_node<std::pair<int, int> > > >::_Base_type {aka struct std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<int, int> > > >}'
     using _Base_type::max_size;
                       ^~~~~~~~
In file included from /usr/include/c++/7/set:60:0,
                 from foo.cc:3:
/usr/include/c++/7/bits/stl_tree.h: In instantiation of 'void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_construct_node(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type, _Args&& ...) [with _Args = {std::pair<int, int>}; _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type = std::_Rb_tree_node<std::pair<int, int> >*]':
/usr/include/c++/7/bits/stl_tree.h:643:21:   required from 'std::_Rb_tree_node<_Val>* std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_create_node(_Args&& ...) [with _Args = {std::pair<int, int>}; _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type = std::_Rb_tree_node<std::pair<int, int> >*]'
/usr/include/c++/7/bits/stl_tree.h:556:62:   required from 'std::_Rb_tree_node<_Val>* std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Alloc_node::operator()(_Arg&&) const [with _Arg = std::pair<int, int>; _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type = std::_Rb_tree_node<std::pair<int, int> >*]'
/usr/include/c++/7/bits/stl_tree.h:1753:29:   required from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Base_ptr, std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Base_ptr, _Arg&&, _NodeGen&) [with _Arg = std::pair<int, int>; _NodeGen = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::_Alloc_node; _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator = std::_Rb_tree_iterator<std::pair<int, int> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Base_ptr = std::_Rb_tree_node_base*]'
/usr/include/c++/7/bits/stl_tree.h:2096:26:   required from 'std::pair<std::_Rb_tree_iterator<_Val>, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(_Arg&&) [with _Arg = std::pair<int, int>; _Key = std::pair<int, int>; _Val = std::pair<int, int>; _KeyOfValue = std::_Identity<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
/usr/include/c++/7/bits/stl_set.h:510:48:   required from 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Key>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Key>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree_const_iterator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
foo.cc:93:18:   required from here
/usr/include/c++/7/bits/stl_tree.h:625:8: error: no matching function for call to 'operator new(sizetype, std::_Rb_tree_node<std::pair<int, int> >*&)'
        ::new(__node) _Rb_tree_node<_Val>;
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<built-in>: note: candidate: void* operator new(long unsigned int)
<built-in>: note:   candidate expects 1 argument, 2 provided
foo.cc: In function 'int main()':
foo.cc:87:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 read(n),read(q),scanf("%s",Type);
 ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
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信息

递交者
类型
递交
题目
P2063 保卫王国
语言
C++
递交时间
2021-03-25 21:14:57
评测时间
2021-03-25 21:14:57
评测机
分数
0
总耗时
0ms
峰值内存
0 Bytes