answer.code: In function ‘int main()’:
answer.code:49:34: error: use of ‘auto’ in lambda parameter declaration only available with ‘-std=c++14’ or ‘-std=gnu++14’
   49 |     sort(v.begin(), v.end(), [&](auto i,auto j){
      |                                  ^~~~
answer.code:49:41: error: use of ‘auto’ in lambda parameter declaration only available with ‘-std=c++14’ or ‘-std=gnu++14’
   49 |     sort(v.begin(), v.end(), [&](auto i,auto j){
      |                                         ^~~~
answer.code: In lambda function:
answer.code:50:14: error: request for member ‘first’ in ‘i’, which is of non-class type ‘int’
   50 |         if(i.first + j.second != i.second * j.first){
      |              ^~~~~
answer.code:50:24: error: request for member ‘second’ in ‘j’, which is of non-class type ‘int’
   50 |         if(i.first + j.second != i.second * j.first){
      |                        ^~~~~~
answer.code:50:36: error: request for member ‘second’ in ‘i’, which is of non-class type ‘int’
   50 |         if(i.first + j.second != i.second * j.first){
      |                                    ^~~~~~
answer.code:50:47: error: request for member ‘first’ in ‘j’, which is of non-class type ‘int’
   50 |         if(i.first + j.second != i.second * j.first){
      |                                               ^~~~~
answer.code:51:22: error: request for member ‘first’ in ‘i’, which is of non-class type ‘int’
   51 |             return i.first * j.second < i.second * j.first;
      |                      ^~~~~
answer.code:51:32: error: request for member ‘second’ in ‘j’, which is of non-class type ‘int’
   51 |             return i.first * j.second < i.second * j.first;
      |                                ^~~~~~
answer.code:51:43: error: request for member ‘second’ in ‘i’, which is of non-class type ‘int’
   51 |             return i.first * j.second < i.second * j.first;
      |                                           ^~~~~~
answer.code:51:54: error: request for member ‘first’ in ‘j’, which is of non-class type ‘int’
   51 |             return i.first * j.second < i.second * j.first;
      |                                                      ^~~~~
answer.code:54:22: error: request for member ‘first’ in ‘i’, which is of non-class type ‘int’
   54 |             return i.first < j.first;
      |                      ^~~~~
answer.code:54:32: error: request for member ‘first’ in ‘j’, which is of non-class type ‘int’
   54 |             return i.first < j.first;
      |                                ^~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:71,
                 from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from answer.code:2:
/usr/include/c++/11/bits/predefined_ops.h: In instantiation of ‘bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Iterator2 = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Compare = main()::<lambda(int, int)>]’:
/usr/include/c++/11/bits/stl_algo.h:1826:14:   required from ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int, int)> >]’
/usr/include/c++/11/bits/stl_algo.h:1866:25:   required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int, int)> >]’
/usr/include/c++/11/bits/stl_algo.h:1957:31:   required from ‘void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int, int)> >]’
/usr/include/c++/11/bits/stl_algo.h:4875:18:   required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Compare = main()::<lambda(int, int)>]’
answer.code:49:9:   required from here
/usr/include/c++/11/bits/predefined_ops.h:158:30: error: no match for call to ‘(main()::<lambda(int, int)>) (std::pair<long long int, long long int>&, std::pair<long long int, long long i...