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View Compilation Error

0_0_39729128_9630.cpp: In function 'int main()':
0_0_39729128_9630.cpp:10:17: error: no match for 'operator>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'int')
   10 |     while(cin>>a>b) {
      |           ~~~~~~^~
      |              |   |
      |              |   int
      |              std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/regex:68,
                 from .\stdc++.h:181:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/regex.h:1288:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Alloc> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' (reversed)
 1288 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/regex.h:1288:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/regex.h:1456:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' (reversed)
 1456 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/regex.h:1456:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/regex.h:1629:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' (reversed)
 1629 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/regex.h:1629:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_algobase.h:67,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/algorithm:60,
                 from .\stdc++.h:51:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:583:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&)' (reversed)
  583 |     operator<=>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:583:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::reverse_iterator<_IteratorL>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:1690:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)' (reversed)
 1690 |     operator<=>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:1690:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:47,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:54,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bitset:52,
                 from .\stdc++.h:52:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string_view:632:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)' (reversed)
  632 |     operator<=>(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string_view:632:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3759:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' (reversed)
 3759 |     operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:3759:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/uses_allocator_args.h:38,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/memory_resource.h:41,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:58:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/tuple:1938:5: note: candidate: 'template<class ... _Tps, class ... _Ups> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_Tps&>(), declval<_Ups&>()))...> std::operator<=>(const tuple<_UTypes ...>&, const tuple<_UTypes ...>&)' (reversed)
 1938 |     operator<=>(const tuple<_Tps...>& __t, const tuple<_Ups...>& __u)
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/tuple:1938:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::tuple<_UTypes ...>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/memory:78,
                 from .\stdc++.h:56:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/unique_ptr.h:988:5: note: candidate: 'template<class _Tp, class _Dp, class _Up, class _Ep>  requires  three_way_comparable_with<typename std::unique_ptr<_Tp, _Dp>::pointer, typename std::unique_ptr<_Up, _Ep>::pointer, std::partial_ordering> std::compare_three_way_result_t<typename std::unique_ptr<_Tp, _Dp>::pointer, typename std::unique_ptr<_Up, _Ep>::pointer> std::operator<=>(const unique_ptr<_Tp, _Dp>&, const unique_ptr<_Up, _Ep>&)' (reversed)
  988 |     operator<=>(const unique_ptr<_Tp, _Dp>& __x,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/unique_ptr.h:988:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::unique_ptr<_Tp, _Dp>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/unique_ptr.h:997:5: note: candidate: 'template<class _Tp, class _Dp>  requires  three_way_comparable<typename std::unique_ptr<_Tp, _Dp>::pointer, std::partial_ordering> std::compare_three_way_result_t<typename std::unique_ptr<_Tp, _Dp>::pointer> std::operator<=>(const unique_ptr<_Tp, _Dp>&, nullptr_t)' (reversed)
  997 |     operator<=>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/unique_ptr.h:997:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::unique_ptr<_Tp, _Dp>' and 'int'
   10 |     while(cin>>a>b) {
      |                  ^
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/shared_ptr.h:53,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/memory:80:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/shared_ptr_base.h:1805:5: note: candidate: 'template<class _Tp, class _Up, __gnu_cxx::_Lock_policy _Lp> std::strong_ordering std::operator<=>(const __shared_ptr<_Tp1, _Lp>&, const __shared_ptr<_Tp2, _Lp>&)' (reversed)
 1805 |     operator<=>(const __shared_ptr<_Tp, _Lp>& __a,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/shared_ptr_base.h:1805:5: note:   template argument deduction/substitution failed:
0_0_39729128_9630.cpp:10:18: note:   mismatched types 'const std::__sha


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