/in/foo.cc: In function 'int main()':
/in/foo.cc:18:21: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int')
   18 |                 cout>>num[j];
      |                 ~~~~^~~~~~~~
      |                 |          |
      |                 |          int
      |                 std::ostream {aka std::basic_ostream<char>}
/in/foo.cc:18:21: note: candidate: 'operator>>(int, int)' (built-in)
   18 |                 cout>>num[j];
      |                 ~~~~^~~~~~~~
/in/foo.cc:18:21: note:   no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
In file included from /usr/include/c++/12/string:54,
                 from /usr/include/c++/12/bits/locale_classes.h:40,
                 from /usr/include/c++/12/bits/ios_base.h:41,
                 from /usr/include/c++/12/ios:42,
                 from /usr/include/c++/12/istream:38,
                 from /usr/include/c++/12/sstream:38,
                 from /usr/include/c++/12/complex:45,
                 from /usr/include/c++/12/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/12/bits/stdc++.h:54,
                 from /in/foo.cc:1:
/usr/include/c++/12/bits/basic_string.tcc:940:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
  940 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/12/bits/basic_string.tcc:940:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
In file included from /usr/include/c++/12/istream:1016:
/usr/include/c++/12/bits/istream.tcc:960:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
  960 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/12/bits/istream.tcc:960:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
/usr/include/c++/12/istream:756:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
  756 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/12/istream:756:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
/usr/include/c++/12/istream:761:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
  761 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/12/istream:761:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
/usr/include/c++/12/istream:803:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
  803 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/12/istream:803:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
/usr/include/c++/12/istream:846:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)'
  846 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/12/istream:846:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
/usr/include/c++/12/istream:852:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)'
  852 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/12/istream:852:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
/usr/include/c++/12/istream:1006:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
 1006 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/12/istream:1006:5: note:   template argument deduction/substitution failed:
/usr/include/c++/12/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = int&]':
/in/foo.cc:18:14:   required from here
/usr/include/c++/12/istream:1006:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
/usr/include/c++/12/complex:501:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, complex<_Tp>&)'
  501 |     operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/12/complex:501:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
In file included from /usr/include/x86_64-linux-gnu/c++/12/bits/stdc++.h:66:
/usr/include/c++/12/bitset:1472:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, bitset<_Nb>&)'
 1472 |     operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
      |     ^~~~~~~~
/usr/include/c++/12/bitset:1472:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
In file included from /usr/include/x86_64-linux-gnu/c++/12/bits/stdc++.h:72:
/usr/include/c++/12/iomanip:71:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Resetiosflags)'
   71 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
      |     ^~~~~~~~
/usr/include/c++/12/iomanip:71:5: note:   template argument deduction/substitution failed:
/in/foo.cc:18:28: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   18 |                 cout>>num[j];
      |                            ^
/usr/include/c++/12/iomanip:101:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setiosflags)'
  101 |