/in/foo.cc:2:19: error: stray '@' in program
  frankchenfu LV 8 @ 1年前 
                   ^
/in/foo.cc:2:22: error: stray '\345' in program
  frankchenfu LV 8 @ 1年前 
                      ^
/in/foo.cc:2:23: error: stray '\271' in program
  frankchenfu LV 8 @ 1年前 
                       ^
/in/foo.cc:2:24: error: stray '\264' in program
  frankchenfu LV 8 @ 1年前 
                        ^
/in/foo.cc:2:25: error: stray '\345' in program
  frankchenfu LV 8 @ 1年前 
                         ^
/in/foo.cc:2:26: error: stray '\211' in program
  frankchenfu LV 8 @ 1年前 
                          ^
/in/foo.cc:2:27: error: stray '\215' in program
  frankchenfu LV 8 @ 1年前 
                           ^
/in/foo.cc:4:4: error: stray '\344' in program
 C++代码，
    ^
/in/foo.cc:4:5: error: stray '\273' in program
 C++代码，
     ^
/in/foo.cc:4:6: error: stray '\243' in program
 C++代码，
      ^
/in/foo.cc:4:7: error: stray '\347' in program
 C++代码，
       ^
/in/foo.cc:4:8: error: stray '\240' in program
 C++代码，
        ^
/in/foo.cc:4:9: error: stray '\201' in program
 C++代码，
         ^
/in/foo.cc:4:10: error: stray '\357' in program
 C++代码，
          ^
/in/foo.cc:4:11: error: stray '\274' in program
 C++代码，
           ^
/in/foo.cc:4:12: error: stray '\214' in program
 C++代码，
            ^
/in/foo.cc:5:1: error: stray '\345' in program
 希望对初学者有所帮助
 ^
/in/foo.cc:5:2: error: stray '\270' in program
 希望对初学者有所帮助
  ^
/in/foo.cc:5:3: error: stray '\214' in program
 希望对初学者有所帮助
   ^
/in/foo.cc:5:4: error: stray '\346' in program
 希望对初学者有所帮助
    ^
/in/foo.cc:5:5: error: stray '\234' in program
 希望对初学者有所帮助
     ^
/in/foo.cc:5:6: error: stray '\233' in program
 希望对初学者有所帮助
      ^
/in/foo.cc:5:7: error: stray '\345' in program
 希望对初学者有所帮助
       ^
/in/foo.cc:5:8: error: stray '\257' in program
 希望对初学者有所帮助
        ^
/in/foo.cc:5:9: error: stray '\271' in program
 希望对初学者有所帮助
         ^
/in/foo.cc:5:10: error: stray '\345' in program
 希望对初学者有所帮助
          ^
/in/foo.cc:5:11: error: stray '\210' in program
 希望对初学者有所帮助
           ^
/in/foo.cc:5:12: error: stray '\235' in program
 希望对初学者有所帮助
            ^
/in/foo.cc:5:13: error: stray '\345' in program
 希望对初学者有所帮助
             ^
/in/foo.cc:5:14: error: stray '\255' in program
 希望对初学者有所帮助
              ^
/in/foo.cc:5:15: error: stray '\246' in program
 希望对初学者有所帮助
               ^
/in/foo.cc:5:16: error: stray '\350' in program
 希望对初学者有所帮助
                ^
/in/foo.cc:5:17: error: stray '\200' in program
 希望对初学者有所帮助
                 ^
/in/foo.cc:5:18: error: stray '\205' in program
 希望对初学者有所帮助
                  ^
/in/foo.cc:5:19: error: stray '\346' in program
 希望对初学者有所帮助
                   ^
/in/foo.cc:5:20: error: stray '\234' in program
 希望对初学者有所帮助
                    ^
/in/foo.cc:5:21: error: stray '\211' in program
 希望对初学者有所帮助
                     ^
/in/foo.cc:5:22: error: stray '\346' in program
 希望对初学者有所帮助
                      ^
/in/foo.cc:5:23: error: stray '\211' in program
 希望对初学者有所帮助
                       ^
/in/foo.cc:5:24: error: stray '\200' in program
 希望对初学者有所帮助
                        ^
/in/foo.cc:5:25: error: stray '\345' in program
 希望对初学者有所帮助
                         ^
/in/foo.cc:5:26: error: stray '\270' in program
 希望对初学者有所帮助
                          ^
/in/foo.cc:5:27: error: stray '\256' in program
 希望对初学者有所帮助
                           ^
/in/foo.cc:5:28: error: stray '\345' in program
 希望对初学者有所帮助
                            ^
/in/foo.cc:5:29: error: stray '\212' in program
 希望对初学者有所帮助
                             ^
/in/foo.cc:5:30: error: stray '\251' in program
 希望对初学者有所帮助
                              ^
/in/foo.cc:2:2: error: 'frankchenfu' does not name a type
  frankchenfu LV 8 @ 1年前 
  ^~~~~~~~~~~
In file included from /usr/include/c++/6/iosfwd:40:0,
                 from /usr/include/c++/6/ios:38,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from /in/foo.cc:7:
/usr/include/c++/6/bits/postypes.h:98:11: error: 'ptrdiff_t' does not name a type
   typedef ptrdiff_t streamsize; // Signed integral type
           ^~~~~~~~~
In file included from /usr/include/c++/6/exception:172:0,
                 from /usr/include/c++/6/ios:39,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from /in/foo.cc:7:
/usr/include/c++/6/bits/exception_ptr.h:99:30: error: field 'nullptr_t' has incomplete type 'std::__exception_ptr::exception_ptr'
       exception_ptr(nullptr_t) noexcept
                              ^
/usr/include/c++/6/bits/exception_ptr.h:79:11: note: definition of 'class std::__exception_ptr::exception_ptr' is not complete until the closing brace
     class exception_ptr
           ^~~~~~~~~~~~~
/usr/include/c++/6/bits/exception_ptr.h:99:30: error: expected ';' at end of member declaration
       exception_ptr(nullptr_t) noexcept
                              ^
/usr/include/c++/6/bits/exception_ptr.h:99:32: error: expected unqualified-id before 'noexcept'
       exception_ptr(nullptr_t) noexcept
                                ^~~~~~~~
In file included from /usr/include/c++/6/bits/move.h:57:0,
                 from /usr/include/c++/6/bits/nested_exception.h:40,
                 from /usr/include/c++/6/exception:173,
                 from /usr/include/c++/6/ios:39,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from /in/foo.cc:7:
/usr/include/c++/6/type_traits:359:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/6/type_traits:360:25: error: '_Size' was not declared in this scope
     struct is_array<_Tp[_Size]>
                         ^~~~~
/usr/include/c++/6/type_traits:360:31: error: template argument 1 is invalid
     struct is_array<_Tp[_Size]>
                               ^
/usr/include/c++/6/type_traits:558:37: error: 'nullptr_t' is not a member of 'std'
     struct __is_null_pointer_helper<std::nullptr_t>
                                     ^~~
/usr/include/c++/6/type_traits:558:37: error: 'nullptr_t' is not a member of 'std'
/usr/include/c++/6/type_traits:558:51: error: template argument 1 is invalid
     struct __is_null_pointer_helper<std::nullptr_t>
                                                   ^
/usr/include/c++/6/type_traits:1478:32: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, __alignof__(_Tp)> { };
                                ^~~
/usr/include/c++/6/type_traits:1478:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/6/cwchar:44,
                 from /usr/include/c++/6/bits/postypes.h:40,
                 from /usr/include/c++/6/iosfwd:40,
                 from /usr/include/c++/6/ios:38,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from /in/foo.cc:7:
/usr/lib/gcc/x86_64-linux-gnu/6/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^~~~~~
In file included from /usr/include/c++/6/bits/move.h:57:0,
                 from /usr/include/c++/6/bits/nested_exception.h:40,
                 from /usr/include/c++/6/exception:173,
                 from /usr/include/c++/6/ios:39,
                 from /usr/include/c++/6/ostream:38