Discussion Detail - 羽润编程

题解
kunkun
clavin LV 6 @ 2023-9-2 16:10:19

foo.cc: In function 'int main()':
foo.cc:7:13: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'char')
    7 |         cout>>i<<" ";
      |         ~~~~^~~
      |         |     |
      |         |     char
      |         std::ostream {aka std::basic_ostream<char>}
foo.cc:7:13: note: candidate: 'operator>>(int, int)' (built-in)
    7 |         cout>>i<<" ";
      |         ~~~~^~~
foo.cc:7:13: note:   no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:45,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/cstddef:130:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)'
  130 |     operator>>(byte __b, _IntegerType __shift) noexcept
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/cstddef:130:5: note:   template argument deduction/substitution failed:
foo.cc:7:9: note:   cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte'
    7 |         cout>>i<<" ";
      |         ^~~~
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/string:56,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/locale_classes.h:40,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/ios_base.h:41,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ios:42,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/basic_string.tcc:1485:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 1485 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/basic_string.tcc:1485:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:995,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/istream.tcc:958:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)'
  958 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/istream.tcc:958:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:756:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)'
  756 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:756:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:761:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)'
  761 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:761:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:803:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT*)'
  803 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:803:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:825:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)'
  825 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:825:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:831:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)'
  831 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:831:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/sstream:38,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:45,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:985:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
  985 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:985:5: note:   template argument deduction/substitution failed:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = char&]':
foo.cc:7:15:   required from here
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/istream:985:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/ccomplex:39,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:54,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:501:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&)'
  501 |     operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/complex:501:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:66,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bitset:1472:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&)'
 1472 |     operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bitset:1472:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:71:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags)'
   71 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:71:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:101:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags)'
  101 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:101:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:132:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase)'
  132 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:132:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:170:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>)'
  170 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:170:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:200:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision)'
  200 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:200:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:230:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw)'
  230 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:230:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:264:5: note: candidate: 'template<class _CharT, class _Traits, class _MoneyT> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>)'
  264 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:264:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:72,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:418:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>)'
  418 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/iomanip:418:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:603,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:603,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:603,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'char'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:603,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:603,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'char'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:1194:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
 1194 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:1194:1: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'const std::valarray<_Tp>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:1194:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
 1194 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:1194:1: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'const std::valarray<_Tp>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:95,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:1194:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
 1194 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/valarray:1194:1: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   mismatched types 'const std::valarray<_Tp>' and 'char'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:921:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_int_distribution<_IntType>&)'
  921 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:921:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:982:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_real_distribution<_IntType>&)'
  982 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:982:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2167:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::cauchy_distribution<_RealType>&)'
 2167 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2167:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:49,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.h:3722:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bernoulli_distribution&)'
 3722 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.h:3722:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1124:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::geometric_distribution<_IntType>&)'
 1124 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1124:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1775:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::exponential_distribution<_RealType>&)'
 1775 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1775:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2561:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::weibull_distribution<_RealType>&)'
 2561 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2561:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2635:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::extreme_value_distribution<_RealType>&)'
 2635 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2635:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:175:5: note: candidate: 'template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::linear_congruential_engine<_UIntType, __a, __c, __m>&)'
  175 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:175:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:501:5: note: candidate: 'template<class _UIntType1, long unsigned int __w1, long unsigned int __n1, long unsigned int __m1, long unsigned int __r1, _UIntType1 __a1, long unsigned int __u1, _UIntType1 __d1, long unsigned int __s1, _UIntType1 __b1, long unsigned int __t1, _UIntType1 __c1, long unsigned int __l1, _UIntType1 __f1, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>&)'
  501 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:501:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:652:5: note: candidate: 'template<class _UIntType, long unsigned int __w, long unsigned int __s, long unsigned int __r, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::subtract_with_carry_engine<_UIntType, __w, __s, __r>&)'
  652 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:652:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:718:5: note: candidate: 'template<class _RandomNumberEngine, long unsigned int __p, long unsigned int __r, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::discard_block_engine<_RandomNumberEngine, __p, __r>&)'
  718 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:718:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:881:5: note: candidate: 'template<class _RandomNumberEngine, long unsigned int __k, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::shuffle_order_engine<_RandomNumberEngine, __k>&)'
  881 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:881:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1239:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::negative_binomial_distribution<_IntType>&)'
 1239 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1239:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1449:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::poisson_distribution<_IntType>&)'
 1449 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1449:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1716:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::binomial_distribution<_IntType>&)'
 1716 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1716:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1945:5: note: candidate: 'template<class _RealType1, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::normal_distribution<_RealType>&)'
 1945 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:1945:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2010:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::lognormal_distribution<_RealType>&)'
 2010 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2010:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2081:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::chi_squared_distribution<_RealType>&)'
 2081 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2081:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^
In file included from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/random:51,
                 from /nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu/bits/stdc++.h:108,
                 from foo.cc:1:
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2243:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::fisher_f_distribution<_RealType>&)'
 2243 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/nix/store/v1nxrwb4ls09sbbrwlkgxs7dlw8paksh-gcc-11.3.0/include/c++/11.3.0/bits/random.tcc:2243:5: note:   template argument deduction/substitution failed:
foo.cc:7:15: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
    7 |         cout>>i<<" ";
      |               ^

钱瑨 LV 7 @ 2024-1-28 10:49:16

~~二批弱势的34 iu为人父何况~~
钱瑨 LV 7 @ 2023-10-28 15:47:16

;lkhokhiouyiouhoi;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ivyge
钱瑨 LV 7 @ 2023-9-2 16:20:07

6个核弹说的对
钱瑨 LV 7 @ 2023-9-2 16:19:33

6个核弹
钱瑨 LV 7 @ 2023-9-2 16:17:32

🚀️ 开发度额必去额修改热修改㔿👎
clavin LV 6 @ 2023-9-2 16:15:35

干掉电脑
钱瑨 LV 7 @ 2023-9-2 16:15:01

功（work），别称机械功，是物理学中表示力对物体作用的空间的累积的物理量，国际单位制单位为焦耳，“功”一词由法国数学家古斯塔夫·科里奥利创造。功是标量，大小等于力与物体在力的方向上通过的距离的乘积，公式为W=Fscosα。