Language: C++

#include <iostream>
using namespace std;
class Card{
public:
  int m;
  int n;
};
int main(void){
  int n,min,f=0;
  Card b[36],s[36];
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>b[i].m>>b[i].n;
    s[i]=b[i];
  }
  for(int i=0;i<n-;i++){
    for(int j=n-1;j>i;j--){
      if(b[j-1]>b[j])
	swap(b[j-1],b[j]);
    }
  }
  for(int i=0;i<n;i++){
    min=i;
    for(int j=i;j<n;j++){
      if(s[j]<s[min]){
	min=j;
      }
    }
    swap(s[i],s[min]);
  }
  for(int i=0;i<n-1;i++)
    cout<<b[i]<<" ";
  cout<<b[n-1]<<endl;
  cout<<"Stable"<<endl;
  for(int i=0;i<n-1;i++){
    if(b[i].m!=s[i].m)
      f=1;
    cout<<s[i]<<" ";
  }
  cout<<s[n-1]<<endl;
  if(f)
    cout<<"Not Stable"<<endl;
  else
    cout<<"Stable"<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:19: error: expected primary-expression before ';' token
   16 |   for(int i=0;i<n-;i++){
      |                   ^
a.cc:18:16: error: no match for 'operator>' (operand types are 'Card' and 'Card')
   18 |       if(b[j-1]>b[j])
      |          ~~~~~~^~~~~
      |               |    |
      |               Card Card
In file included from /usr/include/c++/14/string:48,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:462:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  462 |     operator>(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:462:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::reverse_iterator<_Iterator>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/bits/stl_iterator.h:507:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  507 |     operator>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:507:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::reverse_iterator<_Iterator>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/bits/stl_iterator.h:1714:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1714 |     operator>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1714:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::move_iterator<_IteratorL>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/bits/stl_iterator.h:1774:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1774 |     operator>(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1774:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::move_iterator<_IteratorL>'
   18 |       if(b[j-1]>b[j])
      |                    ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1058:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1058 |     operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1058:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::pair<_T1, _T2>'
   18 |       if(b[j-1]>b[j])
      |                    ^
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:695:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  695 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:695:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/string_view:702:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  702 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:702:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/string_view:710:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  710 |     operator> (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:710:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/bits/basic_string.h:3915:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3915 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3915:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/bits/basic_string.h:3929:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3929 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3929:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   18 |       if(b[j-1]>b[j])
      |                    ^
/usr/include/c++/14/bits/basic_string.h:3942:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3942 |     operator>(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3942:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   mismatched types 'const _CharT*' and 'Card'
   18 |       if(b[j-1]>b[j])
      |                    ^
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
                 from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2619:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator>(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
 2619 |     operator>(const tuple<_TElements...>& __t,
      |     ^~~~~~~~
/usr/include/c++/14/tuple:2619:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   'Card' is not derived from 'const std::tuple<_UTypes ...>'
   18 |       if(b[j-1]>b[j])
      |                    ^
a.cc:25:14: error: no match for 'operator<' (operand types are 'Card' and 'Card')
   25 |       if(s[j]<s[min]){
      |          ~~~~^~~~~~~
      |             |      |
      |             Card   Card
/usr/include/c++/14/bits/stl_iterator.h:448:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  448 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:448:5: note:   template argument deduction/substitution failed:
a.cc:25:20: note:   'Card' is not derived from 'const std::reverse_iterator<_Iterator>'
   25 |       if(s[j]<s[min]){
      |                    ^
/usr/include/c++/14/bits/stl_iterator.h:493:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  493 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:493:5: note:   template argument deduction/substitution failed:
a.cc:25:20: note:   'Card' is not derived from 'const std::reverse_iterator<_Iterator>'
   25 |       if(s[j]<s[min]){
      |                    ^
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1694 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note:   template argument deduction/substitution failed:
a.cc:25:20: note:   'Card' is not derived from 'const std::move_iterator<_IteratorL>'
   25 |       if(s[j]<s[min]){
      |                    ^
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1760 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note:   template argument deduction/substitution failed:
a.cc:25:20: note:   'Card' is not derived from 'const std::move_iterator<_IteratorL>'
   25 |       if(s[j]<s[min]){
      |                    ^
/usr/include/c++/14/bits/stl_pair.h:1045:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1045 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1045:5: not