Language: C++

#include <iostream>
#include <vector>
#include <algorithm> // sort
#include <map> // pair
#include <numeric> // accumulate(begin,end,初期値)

#define all(x) (x).begin(),(x).end()
#define FOR(x) for(ll i = 0;i < x;++i)

using namespace std;
typedef long long ll;

class SAClass{
  public: string first;
  int second;
  bool operator <(const SAClass& SA2){
    if(SA2.first != first)return SA2.first < first;
    return SA2.second < second;
  }
  bool operator =(SAClass& SA2){
   SA2.first = first;
    SA2.second = second;
  }
  bool operator ==(const SAClass& SA2){
    return (SA2.first == first) && (SA2.second == second);
  }
};

int main() {
  int N;
  cin>>N;
  //SAClass *SA = new SAClass[N];
  //SAClass *SACopy = new SAClass[N];
  vector<pair<string,int> > SA(N);
  vector<pair<string,int> > SACopy(N);
  for(int i = 0;i < N;i++){
    cin>>SA[i].first>>SA[i].second;
    SACopy[i] = SA[i];
  }
  
  sort(SA,SA+N,greater<pair<string,int> >());
  
  for(int i = 0;i < N;i++){
    for(int j = 0;j < N;j++){
      if(SA[i] == SACopy[j]){
        cout<<j+1<<endl;
        break;
      }
      
    }
  }
  
  return 0;
}


Compiler output:
a.cc: In member function 'bool SAClass::operator=(SAClass&)':
a.cc:23:3: warning: no return statement in function returning non-void [-Wreturn-type]
   23 |   }
      |   ^
a.cc: In function 'int main()':
a.cc:41:13: error: no match for 'operator+' (operand types are 'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' and 'int')
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |           ~~^~
      |           |  |
      |           |  int
      |           std::vector<std::pair<std::__cxx11::basic_string<char>, int> >
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:627:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename reverse_iterator<_Iterator>::difference_type, const reverse_iterator<_Iterator>&)'
  627 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:627:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)'
 1798 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
In file included from /usr/include/c++/14/string:54:
/usr/include/c++/14/bits/basic_string.h:3598:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3598 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3598:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3616:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3616 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3616:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   mismatched types 'const _CharT*' and 'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3635:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3635 |     operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3635:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3652:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3652 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3652:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3670:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 3670 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3670:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3682:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3682 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3682:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3689:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3689 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3689:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3696:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3696 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3696:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3719:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3719 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3719:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   mismatched types 'const _CharT*' and 'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3726:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3726 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3726:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3733:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)'
 3733 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3733:5: note:   template argument deduction/substitution failed:
a.cc:41:14: note:   'std::vector<std::pair<std::__cxx11::basic_string<char>, int> >' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   41 |   sort(SA,SA+N,greater<pair<string,int> >());
      |              ^
/usr/include/c++/14/bits/basic_string.h:3740:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)'
 3740 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3740:5: note:   template argument deduction/substitution faile