Run id: 115048

Main.cc:1:1: error: stray '\357' in program
 un ID:115047
 ^
Main.cc:1:1: error: stray '\274' in program
Main.cc:1:1: error: stray '\232' in program
Main.cc:3:1: error: stray '\346' in program
 提交时间:2025-03-27 22:27:38
 ^
Main.cc:3:1: error: stray '\217' in program
Main.cc:3:1: error: stray '\220' in program
Main.cc:3:1: error: stray '\344' in program
Main.cc:3:1: error: stray '\272' in program
Main.cc:3:1: error: stray '\244' in program
Main.cc:3:1: error: stray '\346' in program
Main.cc:3:1: error: stray '\227' in program
Main.cc:3:1: error: stray '\266' in program
Main.cc:3:1: error: stray '\351' in program
Main.cc:3:1: error: stray '\227' in program
Main.cc:3:1: error: stray '\264' in program
Main.cc:3:1: error: stray '\357' in program
Main.cc:3:1: error: stray '\274' in program
Main.cc:3:1: error: stray '\232' in program
Main.cc:1:1: error: 'un' does not name a type
 un ID:115047
 ^
In file included from /usr/include/c++/5/iosfwd:40:0,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/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++/5/exception:162:0,
                 from /usr/include/c++/5/ios:39,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/bits/exception_ptr.h:95:30: error: field 'nullptr_t' has incomplete type 'std::__exception_ptr::exception_ptr'
       exception_ptr(nullptr_t) noexcept
                              ^
/usr/include/c++/5/bits/exception_ptr.h:75:11: note: definition of 'class std::__exception_ptr::exception_ptr' is not complete until the closing brace
     class exception_ptr
           ^
/usr/include/c++/5/bits/exception_ptr.h:95:30: error: expected ';' at end of member declaration
       exception_ptr(nullptr_t) noexcept
                              ^
/usr/include/c++/5/bits/exception_ptr.h:95:32: error: expected unqualified-id before 'noexcept'
       exception_ptr(nullptr_t) noexcept
                                ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:62:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/ext/type_traits.h:160:35: error: '__gnu_cxx::__is_null_pointer' declared as an 'inline' variable
   __is_null_pointer(std::nullptr_t)
                                   ^
/usr/include/c++/5/ext/type_traits.h:160:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of symbol
/usr/include/c++/5/ext/type_traits.h:155:5: note: previous declaration 'template bool __gnu_cxx::__is_null_pointer(_Type)'
     __is_null_pointer(_Type)
     ^
/usr/include/c++/5/ext/type_traits.h:160:21: error: 'nullptr_t' is not a member of 'std'
   __is_null_pointer(std::nullptr_t)
                     ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:326:31: error: 'std::size_t' has not been declared
   template
                               ^
/usr/include/c++/5/type_traits:525:37: error: 'nullptr_t' is not a member of 'std'
     struct __is_null_pointer_helper
                                     ^
/usr/include/c++/5/type_traits:525:37: error: 'nullptr_t' is not a member of 'std'
/usr/include/c++/5/type_traits:525:51: error: template argument 1 is invalid
     struct __is_null_pointer_helper
                                                   ^
/usr/include/c++/5/type_traits:1411:32: error: 'size_t' is not a member of 'std'
     : public integral_constant { };
                                ^
/usr/include/c++/5/type_traits:1411:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1411:32: error: 'size_t' is not a member of 'std'
     : public integral_constant { };
                                ^
/usr/include/c++/5/type_traits:1411:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1411:61: error: template argument 1 is invalid
     : public integral_constant { };
                                                             ^
/usr/include/c++/5/type_traits:1411:61: note: invalid template non-type parameter
/usr/include/c++/5/type_traits:1416:32: error: 'size_t' is not a member of 'std'
     : public integral_constant { };
                                ^
/usr/include/c++/5/type_traits:1416:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1416:32: error: 'size_t' is not a member of 'std'
     : public integral_constant { };
                                ^
/usr/include/c++/5/type_traits:1416:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1416:46: error: template argument 1 is invalid
     : public integral_constant { };
                                              ^
/usr/include/c++/5/type_traits:1416:46: note: invalid template non-type parameter
/usr/include/c++/5/type_traits:1418:31: error: 'std::size_t' has not been declared
   template
                               ^
/usr/include/c++/5/type_traits:1420:32: error: 'size_t' is not a member of 'std'
     : public integral_constant::value> { };
                                ^
/usr/include/c++/5/type_traits:1420:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1420:32: error: 'size_t' is not a member of 'std'
     : public integral_constant::value> { };
                                ^
/usr/include/c++/5/type_traits:1420:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1420:65: error: template argument 1 is invalid
     : public integral_constant::value> { };
                                                                 ^
/usr/include/c++/5/type_traits:1420:65: note: invalid template non-type parameter
/usr/include/c++/5/type_traits:1424:32: error: 'size_t' is not a member of 'std'
     : public integral_constant::value> { };
                                ^
/usr/include/c++/5/type_traits:1424:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1424:32: error: 'size_t' is not a member of 'std'
     : public integral_constant::value> { };
                                ^
/usr/include/c++/5/type_traits:1424:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1424:65: error: template argument 1 is invalid
     : public integral_constant::value> { };
                                                                 ^
/usr/include/c++/5/type_traits:1424:65: note: invalid template non-type parameter
/usr/include/c++/5/type_traits:1429:32: error: 'size_t' is not a member of 'std'
     : public integral_constant { };
                                ^
/usr/include/c++/5/type_traits:1429:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1429:32: error: 'size_t' is not a member of 'std'
     : public integral_constant { };
                                ^
/usr/include/c++/5/type_traits:1429:32: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/bits/move.h:57:0,
                 from /usr/include/c++/5/bits/stl_pair.h:59,
                 from /usr/include/c++/5/bits/stl_algobase.h:64,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/type_traits:1429:46: error: template argument 1 is invalid
     : public integral_constant { };
                                              ^
/usr/include/c++/5/type_traits:1429:46: note: invalid template non-type parameter
/usr/include/c++/5/type_traits:1431:47: error: 'std::size_t' has not been declared
   template
                                               ^
/usr/include/c++/5/type_traits:1433:32: error: 'size_t' is not a member of 'std'
     : public integral_constant::value>
                            ^
/usr/include/c++/5/type_traits:1435:28: note: invalid template non-type parameter
/usr/include/c++/5/type_traits:1440:32: error: 'size_t' is not a member of 'std'
     : public integral_constant::value>
                               ^
/usr/include/c++/5/type_traits:1442:31: note: invalid template non-type parameter
/usr/include/c++/5/type_traits:1892:31: error: 'std::size_t' has not been declared
   template
                               ^
/usr/include/c++/5/type_traits:1905:31: error: 'std::size_t' has not been declared
   template
                               ^
/usr/include/c++/5/type_traits:1964:17: error: 'std::size_t' has not been declared
   template
                 ^
/usr/include/c++/5/type_traits:1984:17: error: 'std::size_t' has not been declared
   template
                 ^
/usr/include/c++/5/bits/stl_pair.h:204:41: error: 'std::size_t' has not been declared
       template
                                         ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:65:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/bits/stl_iterator_base_types.h:116:67: error: 'ptrdiff_t' does not name a type
   template::__copy_m(const _Tp*, const _Tp*, _Tp*)':
/usr/include/c++/5/bits/stl_algobase.h:382:10: error: 'ptrdiff_t' does not name a type
    const ptrdiff_t _Num = __last - __first;
          ^
/usr/include/c++/5/bits/stl_algobase.h:383:8: error: '_Num' was not declared in this scope
    if (_Num)
        ^
/usr/include/c++/5/bits/stl_algobase.h:385:22: error: '_Num' was not declared in this scope
    return __result + _Num;
                      ^
/usr/include/c++/5/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++/5/bits/stl_algobase.h:584:10: error: 'ptrdiff_t' does not name a type
    const ptrdiff_t _Num = __last - __first;
          ^
/usr/include/c++/5/bits/stl_algobase.h:585:8: error: '_Num' was not declared in this scope
    if (_Num)
        ^
/usr/include/c++/5/bits/stl_algobase.h:587:22: error: '_Num' was not declared in this scope
    return __result - _Num;
                      ^
In file included from /usr/include/c++/5/ios:40:0,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/bits/char_traits.h: At global scope:
/usr/include/c++/5/bits/char_traits.h:104:66: error: 'std::size_t' has not been declared
       compare(const char_type* __s1, const char_type* __s2, std::size_t __n);
                                                                  ^
/usr/include/c++/5/bits/char_traits.h:106:19: error: 'size_t' in namespace 'std' does not name a type
       static std::size_t
                   ^
/usr/include/c++/5/bits/char_traits.h:110:39: error: 'std::size_t' has not been declared
       find(const char_type* __s, std::size_t __n, const char_type& __a);
                                       ^
/usr/include/c++/5/bits/char_traits.h:113:57: error: 'std::size_t' has not been declared
       move(char_type* __s1, const char_type* __s2, std::size_t __n);
                                                         ^
/usr/include/c++/5/bits/char_traits.h:116:57: error: 'std::size_t' has not been declared
       copy(char_type* __s1, const char_type* __s2, std::size_t __n);
                                                         ^
/usr/include/c++/5/bits/char_traits.h:119:35: error: 'std::size_t' has not been declared
       assign(char_type* __s, std::size_t __n, char_type __a);
                                   ^
/usr/include/c++/5/bits/char_traits.h:145:64: error: 'std::size_t' has not been declared
     compare(const char_type* __s1, const char_type* __s2, std::size_t __n)
                                                                ^
/usr/include/c++/5/bits/char_traits.h: In static member function 'static int __gnu_cxx::char_traits<_CharT>::compare(const char_type*, const char_type*, int)':
/usr/include/c++/5/bits/char_traits.h:147:12: error: 'size_t' is not a member of 'std'
       for (std::size_t __i = 0; __i < __n; ++__i)
            ^
/usr/include/c++/5/bits/char_traits.h:147:12: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/ios:40:0,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/bits/char_traits.h:147:33: error: '__i' was not declared in this scope
       for (std::size_t __i = 0; __i < __n; ++__i)
                                 ^
/usr/include/c++/5/bits/char_traits.h: At global scope:
/usr/include/c++/5/bits/char_traits.h:156:10: error: 'size_t' in namespace 'std' does not name a type
     std::size_t
          ^
/usr/include/c++/5/bits/char_traits.h:169:37: error: 'std::size_t' has not been declared
     find(const char_type* __s, std::size_t __n, const char_type& __a)
                                     ^
/usr/include/c++/5/bits/char_traits.h: In static member function 'static const char_type* __gnu_cxx::char_traits<_CharT>::find(const char_type*, int, const char_type&)':
/usr/include/c++/5/bits/char_traits.h:171:12: error: 'size_t' is not a member of 'std'
       for (std::size_t __i = 0; __i < __n; ++__i)
            ^
/usr/include/c++/5/bits/char_traits.h:171:12: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/ios:40:0,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/bits/char_traits.h:171:33: error: '__i' was not declared in this scope
       for (std::size_t __i = 0; __i < __n; ++__i)
                                 ^
/usr/include/c++/5/bits/char_traits.h: At global scope:
/usr/include/c++/5/bits/char_traits.h:180:55: error: 'std::size_t' has not been declared
     move(char_type* __s1, const char_type* __s2, std::size_t __n)
                                                       ^
/usr/include/c++/5/bits/char_traits.h:189:55: error: 'std::size_t' has not been declared
     copy(char_type* __s1, const char_type* __s2, std::size_t __n)
                                                       ^
/usr/include/c++/5/bits/char_traits.h:199:33: error: 'std::size_t' has not been declared
     assign(char_type* __s, std::size_t __n, char_type __a)
                                 ^
In file included from /usr/include/c++/5/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/c++allocator.h:33,
                 from /usr/include/c++/5/bits/allocator.h:46,
                 from /usr/include/c++/5/string:41,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/new:111:31: error: declaration of 'operator new' as non-function
 void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                               ^
/usr/include/c++/5/new:111:20: error: 'size_t' is not a member of 'std'
 void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                    ^
/usr/include/c++/5/new:111:20: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/c++allocator.h:33,
                 from /usr/include/c++/5/bits/allocator.h:46,
                 from /usr/include/c++/5/string:41,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/new:113:33: error: declaration of 'operator new []' as non-function
 void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                                 ^
/usr/include/c++/5/new:113:22: error: 'size_t' is not a member of 'std'
 void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
                      ^
/usr/include/c++/5/new:113:22: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/c++allocator.h:33,
                 from /usr/include/c++/5/bits/allocator.h:46,
                 from /usr/include/c++/5/string:41,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/new:119:25: error: declaration of 'operator new' as non-function
 void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                         ^
/usr/include/c++/5/new:119:20: error: 'size_t' is not a member of 'std'
 void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                    ^
/usr/include/c++/5/new:119:20: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/c++allocator.h:33,
                 from /usr/include/c++/5/bits/allocator.h:46,
                 from /usr/include/c++/5/string:41,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/include/c++/5/new:119:33: error: expected primary-expression before 'const'
 void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                                 ^
/usr/include/c++/5/new:121:27: error: declaration of 'operator new []' as non-function
 void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                           ^
/usr/include/c++/5/new:121:22: error: 'size_t' is not a member of 'std'
 void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
                      ^
/usr/include/c++/5/new:121:22: note: suggested alternative:
In file included from /usr/include/wchar.h:51:0,
                 from /usr/include/c++/5/cwchar:44,
                 from /usr/include/c++/5/bits/postypes.h:40,
                 from /usr/include/c++/5/iosfwd:40,
                 from /usr/include/c++/5/ios:38,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:5:
/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:216:23: note:   'size_t'
 typedef __SIZE_TYPE__ size_t;
                       ^
In file included from /usr/include/c++/5/ext/new_allocator.h:33:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/c++allocator.h:33,
                 from /usr/include/c++/5/bits/allocator.h:46,
                 from /usr/include/c++/5/string:41,