Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define int ll
signed main(){
    int n,m;
    cin >> n >> m;
    using tp = tuple<int,int>;
    vector<tp>v;
    for(int i = 0; i < n; ++i){
        int day, reward;
        cin >> day >> reward;
        v.emplace_back(day, reward);
    }
    vector<int>ans;
    sort(v.begin(),v.end());
    priority_queue<int,vector<int>>que;
    size_t idx = 0;
    for(int d = 1 ; d <= m; ++d){
        for(;d == get<0>(v[idx]);++idx){
            int reward = get<1>(v[idx]);
            que.push(reward);
        }
        if(not que.empty()){
            ans.push_back(que.top());
            que.pop();
        }
    }
    cout << accumulate(v.begin(),v.end(),0LL) << endl;
}



Compiler output:
In file included from /usr/include/c++/14/numeric:62,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_numeric.h: In instantiation of '_Tp std::accumulate(_InputIterator, _InputIterator, _Tp) [with _InputIterator = __gnu_cxx::__normal_iterator<tuple<long long int, long long int>*, vector<tuple<long long int, long long int> > >; _Tp = long long int]':
a.cc:29:23:   required from here
   29 |     cout << accumulate(v.begin(),v.end(),0LL) << endl;
      |             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_numeric.h:141:46: error: no match for 'operator+' (operand types are 'long long int' and 'std::tuple<long long int, long long int>')
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
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:
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   'std::tuple<long long int, long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   'std::tuple<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'const _CharT*' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   'std::tuple<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   mismatched types 'const _CharT*' and 'long long int'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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:
/usr/include/c++/14/bits/stl_numeric.h:141:46: note:   'std::tuple<long long int, long long int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  141 |         __init = _GLIBCXX_MOVE_IF_20(__init) + *__first;
      |                                              ^
/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, _Al