Language: C++

#include <bits/stdc++.h>
using namespace std;

int main(){
  int A,B,M;
  cin >> A >> B >> M;
  vector<int> r(A);
  vector<int> m(B);
  int a[M][3];
  for (int i = 0; i < A; i++)
  {
    cin >> r.at(i);
  }
  for (int i = 0; i < B; i++)
  {
    cin >> m.at(i);
  }
  for (int i = 0; i < M; i++)
  {
    cin >> a[i][0] >> a[i][1] >> a[i][2];
  }

  priority_queue<int, vector<int>, greater<int>> result;

  for (int i = 0; i < M; i++)
  {
    int x=a[i][0], y=a[i][1], z=a[i][2];
    result.push(r.at(x-1)+m.at(y-1)-z);
  }
  result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
  
  cout << result.top() << endl;
  return 0;   

}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:45: error: no match for 'operator+' (operand types are '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >')
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                          |                              |
      |                          __normal_iterator<[...],[...]> __normal_iterator<[...],[...]>
In file included from /usr/include/c++/14/bits/stl_algobase.h:67,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:1138:7: note: candidate: '__gnu_cxx::__normal_iterator<_Iterator, _Container> __gnu_cxx::__normal_iterator<_Iterator, _Container>::operator+(difference_type) const [with _Iterator = int*; _Container = std::vector<int>; difference_type = long int]'
 1138 |       operator+(difference_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1138:33: note:   no known conversion for argument 1 from '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'}
 1138 |       operator+(difference_type __n) const _GLIBCXX_NOEXCEPT
      |                 ~~~~~~~~~~~~~~~~^~~
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'const std::reverse_iterator<_Iterator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'const std::move_iterator<_IteratorL>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   mismatched types 'const _CharT*' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));
      |                                                                           ^
/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:30:75: note:   mismatched types 'const _CharT*' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >'
   30 |   result.push(min_element(r.begin(),r.end())+min_element(m.begin(),m.end()));