Language: C++

#include<iostream>
using namespace std;

struct card{
    char suit;
    int value;
};

void bubbleSort(card a[],int n){
    int flag=1;
    for(int i=0;i<n-1;++i){
        if(!flag)break;
        flag=0;
        for(int j=n-1;j>i;j--){
            if(a[j]<a[j-1]){
                flag=1;
                card t=a[j];
                a[j]=a[j-1];
                a[j-1]=t;
            }
        }
    }
}

void selectionSort(card c[],int n){
   int min;
    for(int i=0;i<n-1;++i){
        min=i;
        for(int j=i+1;j<n;++j){
            if(c[j]<c[min])
                min=j;
        }
        if(min!=i){card t=c[i];c[i]=c[min];c[min]=t;}
    }
}

bool isStable(card c1[],card c2[];int n){
    for(int i=0;i<n;++i)
      if(c1[i]!=c2[i])return false;
    
    return true;
}
void print(card c[],n){
    for(int i=0;i<n;i++){
        if(i>0)cout<<' ';
        cout<<c[i].suit<<c[i].value;
    }
    cout<<endl;
}
int main(){
    int n;
    cin>>n;
    card c1[36],c2[36];
    for(int i=0;i<n;i++){
        cin>>c1.suit>>c1.value;
        c2[i]=c1[i];
    }
    
    bubbleSort(c1,n);
    selectionSort(c2,n);
    print(c1,n);
    cout<<"stable"<<endl;
    print(c2,n);
    if(isStable(c1,c2,n))
        cout<<"stable"<<endl;
        else
        cout<<"Not stable"<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'void bubbleSort(card*, int)':
a.cc:15:20: error: no match for 'operator<' (operand types are 'card' and 'card')
   15 |             if(a[j]<a[j-1]){
      |                ~~~~^~~~~~~
      |                   |      |
      |                   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: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:15:26: note:   'card' is not derived from 'const std::reverse_iterator<_Iterator>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/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:15:26: note:   'card' is not derived from 'const std::reverse_iterator<_Iterator>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/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:15:26: note:   'card' is not derived from 'const std::move_iterator<_IteratorL>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/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:15:26: note:   'card' is not derived from 'const std::move_iterator<_IteratorL>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
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: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: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   'card' is not derived from 'const std::pair<_T1, _T2>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
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:673:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  673 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:673:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   'card' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/usr/include/c++/14/string_view:680:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  680 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:680:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   'card' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/usr/include/c++/14/string_view:688:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  688 |     operator< (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:688:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   'card' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/usr/include/c++/14/bits/basic_string.h:3874:5: 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>&)'
 3874 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3874:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   'card' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/usr/include/c++/14/bits/basic_string.h:3888:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3888 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3888:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   'card' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
/usr/include/c++/14/bits/basic_string.h:3901:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3901 |     operator<(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3901:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   mismatched types 'const _CharT*' and 'card'
   15 |             if(a[j]<a[j-1]){
      |                          ^
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:2600:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
 2600 |     operator<(const tuple<_TElements...>& __t,
      |     ^~~~~~~~
/usr/include/c++/14/tuple:2600:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   'card' is not derived from 'const std::tuple<_UTypes ...>'
   15 |             if(a[j]<a[j-1]){
      |                          ^
In file included from /usr/include/c++/14/bits/ios_base.h:46:
/usr/include/c++/14/system_error:324:3: note: candidate: 'bool std::operator<(const error_code&, const error_code&)'
  324 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/14/system_error:324:31: note:   no known conversion for argument 1 from 'card' to 'const std::error_code&'
  324 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/system_error:507:3: note: candidate: 'bool std::operator<(const error_condition&, const error_condition&)'
  507 |   operator<(const error_condition& __lhs,
      |   ^~~~~~~~
/usr/include/c++/14/system_error:507:36: note:   no known conversion for argument 1 from 'card' to 'const std::error_condition&'
  507 |   operator<(const error_condition& __lhs,
      |             ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
a.cc: In function 'void selectionSort(card*, int)':
a.cc:30:20: error: no match for 'operator<' (operand types are 'card' and 'card')
   30 |             if(c[j]<c[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:30:26: note:   'card' is not derived from 'const std::reverse_iterator<_Iterator>'
   30 |             if(c[j]<c[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:30:26: note:   'card' is not derived from 'const std::reverse_iterator<_Iterator>'
   30 |             if(c[j]<c[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<_Iterato