Language: C++

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

int main(){
  int a;
  cin>>a;
  vector<tuple<int,int,int>> b(a-1);
  for(int i=0;i<a-1;i++){
    cin>>get<0>(b.at(i))>>get<1>(b.at(i))>>get<2>(b.at(i));
  }
  vector<tuple<int,int,int>> c=b;
  int l;
    for(int i=0;i<a;i++){
      if(i==a-1)
        cout<<0<<endl;
      for(int j=i;j<a-2;j++){
      while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      get<1>(b.at(i))+=get<2>(b.at(i));
            j++;
            l=j;
            }
          while ( get<1>(b.at(max(0,l-1)))+get<0>(b.at(max(0,l-1)))<get<1>(b.at(l)))
            get<1>(b.at(i))+=get<2>(b.at(i));
            cout<<get<1>(b.at(a-2))<<endl;
            }
            }

Compiler output:
a.cc: In function 'int main()':
a.cc:17:43: error: no match for 'operator<' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} and 'std::__tuple_element_t<1, std::tuple<int, int, int> >' {aka 'int'})
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                    ~~~~~~~^~~~~~~~~~~~~~~~~~
      |                                        |         |
      |                                        |         std::__tuple_element_t<1, std::tuple<int, int, int> > {aka int}
      |                                        __gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type {aka std::tuple<int, int, int>}
In file included from /usr/include/c++/14/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
                 from a.cc:1:
/usr/include/c++/14/bits/regex.h:1143:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1143 |     operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1143:5: note:   template argument deduction/substitution failed:
a.cc:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/usr/include/c++/14/bits/regex.h:1224:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
 1224 |     operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1224:5: note:   template argument deduction/substitution failed:
a.cc:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/usr/include/c++/14/bits/regex.h:1317:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1317 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1317:5: note:   template argument deduction/substitution failed:
a.cc:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/usr/include/c++/14/bits/regex.h:1391:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1391 |     operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1391:5: note:   template argument deduction/substitution failed:
a.cc:17:60: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::__tuple_element_t<1, std::tuple<int, int, int> >' {aka 'int'}
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/usr/include/c++/14/bits/regex.h:1485:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1485 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1485:5: note:   template argument deduction/substitution failed:
a.cc:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/usr/include/c++/14/bits/regex.h:1560:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1560 |     operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1560:5: note:   template argument deduction/substitution failed:
a.cc:17:60: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::__tuple_element_t<1, std::tuple<int, int, int> >' {aka 'int'}
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/usr/include/c++/14/bits/regex.h:1660:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1660 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1660:5: note:   template argument deduction/substitution failed:
a.cc:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 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_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:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::pair<_T1, _T2>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/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:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/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:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |                                                            ^
/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:17:60: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int> >, std::tuple<int, int, int> >::value_type' {aka 'std::tuple<int, int, int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   17 |       while(get<1>(b.at(j))+get<0>(b.at(j)<get<1>(b.at(j+1))||get<1>(b.at(max(0,j-1)))+get<0>(b.at(max(0,j-1)))<get<1>(b.at(j)))
      |