Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
int N,M;
  cin>>N>>M;
  vector<vector<int64_t>>A(3,N);
  for(int i=0;i<N;i++){
  cin>>A.at(0).at(i);
    cin>>A.at(1).at(i);
    cin>>A.at(2).at(i);
   }int64_t ans=0;
  for(int bit=0;bit<(1<<3);bit++){
  vector<int64_t>B(N);
    for(int i=0;i<N;i++)
      int64_t x=A.at(0).at(i);
      int64_t y=A.at(1).at(i);
      int64_t z=A.at(2).at(i);
      int64_t b=x+y+z;
    for(int j=0;j<3;j++){
  if(bit&(1<<j))
    b-=2*get<j>(T);
  } B.at(i)=b;
    } sort(B.begin(),B.end());
    reverse(B.begin(),B.end());
    int64_t pos=0;
    for(int k=0;k<M;k++)
      pos+=B.at(k);
    if(ans<pos)
      ans=pos;
  }cout<<ans<<endl;
     return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:31: error: no matching function for call to 'std::vector<std::vector<long int> >::vector(int, int&)'
    6 |   vector<vector<int64_t>>A(3,N);
      |                               ^
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:707:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with <template-parameter-2-2> = _InputIterator; _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >]'
  707 |         vector(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:707:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/14/bits/stl_algobase.h:65,
                 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_base_types.h: In substitution of 'template<class _InIter> using std::_RequireInputIter = std::__enable_if_t<((bool)std::is_convertible<typename std::iterator_traits< <template-parameter-1-1> >::iterator_category, std::input_iterator_tag>::value)> [with _InIter = int]':
/usr/include/c++/14/bits/stl_vector.h:705:9:   required from here
  705 |                typename = std::_RequireInputIter<_InputIterator>>
      |                ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator_base_types.h:252:57: error: no type named 'iterator_category' in 'struct std::iterator_traits<int>'
  252 |                                    input_iterator_tag>::value>;
      |                                                         ^~~~~
/usr/include/c++/14/bits/stl_vector.h:678:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; allocator_type = std::allocator<std::vector<long int> >]'
  678 |       vector(initializer_list<value_type> __l,
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:678:43: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<std::vector<long int> >'
  678 |       vector(initializer_list<value_type> __l,
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:659:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, std::__type_identity_t<_Alloc>&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; std::__type_identity_t<_Alloc> = std::allocator<std::vector<long int> >]'
  659 |       vector(vector&& __rv, const __type_identity_t<allocator_type>& __m)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:659:23: note:   no known conversion for argument 1 from 'int' to 'std::vector<std::vector<long int> >&&'
  659 |       vector(vector&& __rv, const __type_identity_t<allocator_type>& __m)
      |              ~~~~~~~~~^~~~
/usr/include/c++/14/bits/stl_vector.h:640:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; allocator_type = std::allocator<std::vector<long int> >; std::false_type = std::false_type]'
  640 |       vector(vector&& __rv, const allocator_type& __m, false_type)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:640:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_vector.h:635:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; allocator_type = std::allocator<std::vector<long int> >; std::true_type = std::true_type]'
  635 |       vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:635:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_vector.h:624:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, std::__type_identity_t<_Alloc>&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; std::__type_identity_t<_Alloc> = std::allocator<std::vector<long int> >]'
  624 |       vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:624:28: note:   no known conversion for argument 1 from 'int' to 'const std::vector<std::vector<long int> >&'
  624 |       vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
      |              ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:620:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >]'
  620 |       vector(vector&&) noexcept = default;
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:620:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:601:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >]'
  601 |       vector(const vector& __x)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:601:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:569:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(size_type, const value_type&, const allocator_type&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; size_type = long unsigned int; value_type = std::vector<long int>; allocator_type = std::allocator<std::vector<long int> >]'
  569 |       vector(size_type __n, const value_type& __value,
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:569:47: note:   no known conversion for argument 2 from 'int' to 'const std::vector<std::vector<long int> >::value_type&' {aka 'const std::vector<long int>&'}
  569 |       vector(size_type __n, const value_type& __value,
      |                             ~~~~~~~~~~~~~~~~~~^~~~~~~
/usr/include/c++/14/bits/stl_vector.h:556:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(size_type, const allocator_type&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; size_type = long unsigned int; allocator_type = std::allocator<std::vector<long int> >]'
  556 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:556:51: note:   no known conversion for argument 2 from 'int' to 'const std::vector<std::vector<long int> >::allocator_type&' {aka 'const std::allocator<std::vector<long int> >&'}
  556 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |                             ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:542:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >; allocator_type = std::allocator<std::vector<long int> >]'
  542 |       vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:542:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:531:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = std::vector<long int>; _Alloc = std::allocator<std::vector<long int> >]'
  531 |       vector() = default;
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:531:7: note:   candidate expects 0 arguments, 2 provided
a.cc:16:28: error: 'i' was not declared in this scope
   16 |       int64_t y=A.at(1).at(i);
      |                            ^
a.cc:18:17: error: 'x' was not declared in this scope
   18 |       int64_t b=x+y+z;
      |                 ^
a.cc:21:17: error: 'T' was not declared in this scope
   21 |     b-=2*get<j>(T);
      |                 ^
a.cc:23:12: error: 'B' was not declared in this scope
   23 |     } sort(B.begin(),B.end());
      |            ^
a.cc: At global scope:
a.cc:30:4: error: 'cout' does not name a type
   30 |   }cout<<ans<<endl;
      |    ^~~~
a.cc:31:6: error: expected unqualified-id before 'return'
   31 |      return 0;
      |      ^~~~~~
a.cc:32:1: error: expected declaration before '}' token
   32 | }
      | ^