Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
int N,M;
  cin>>N>>M;
  vector<tuple<int64_t,int64_t,int64_t>>A(N);
  for(int i=0;i<N;i++){
  int64_t x,y,z;
    cin>>x>>y>>z;
    tuple<int64_t,int64_t,int64_t>t(x,y,z);
    A.at(i)=t;
   }int64_t ans=0;
  for(int bit=0;bit<(1<<3);i++){
  vector<int64_t>B(N);
    for(int i=0;i<N;i++){
      tuple t=A.at(i);
      int64_t x=get<0>(t);
      int64_t y=get<1>(t);
      int64_t z=get<2>(t);
      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:13:28: error: 'i' was not declared in this scope
   13 |   for(int bit=0;bit<(1<<3);i++){
      |                            ^
a.cc:23:16: error: no matching function for call to 'get<j>(std::tuple<long int, long int, long int>&)'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
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,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_pair.h:1250:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(pair<_Tp1, _Tp2>&)'
 1250 |     get(pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1250:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/bits/stl_pair.h:1255:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(pair<_Tp1, _Tp2>&&)'
 1255 |     get(pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1255:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/bits/stl_pair.h:1260:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const pair<_Tp1, _Tp2>&)'
 1260 |     get(const pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1260:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/bits/stl_pair.h:1265:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const pair<_Tp1, _Tp2>&&)'
 1265 |     get(const pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1265:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
                 from /usr/include/c++/14/string:68,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/tuple:2445:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(tuple<_Elements ...>&)'
 2445 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2445:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/tuple:2451:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(const tuple<_Elements ...>&)'
 2451 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2451:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/tuple:2457:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(tuple<_Elements ...>&&)'
 2457 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2457:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/tuple:2466:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(const tuple<_Elements ...>&&)'
 2466 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2466:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
In file included from /usr/include/c++/14/functional:65,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53:
/usr/include/c++/14/array:390:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(array<_Tp, _Nm>&)'
  390 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/14/array:390:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/array:399:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(array<_Tp, _Nm>&&)'
  399 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/14/array:399:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/array:408:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const array<_Tp, _Nm>&)'
  408 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/14/array:408:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/array:417:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const array<_Tp, _Nm>&&)'
  417 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/14/array:417:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: the value of 'j' is not usable in a constant expression
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:21:13: note: 'int j' is not const
   21 |     for(int j=0;j<3;j++){
      |             ^
a.cc:23:16: note: in template argument for type 'long unsigned int'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
/usr/include/c++/14/bits/stl_pair.h:1272:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_T1, _T2>&)'
 1272 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1272:5: note:   template argument deduction/substitution failed:
a.cc:23:16: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_T1, _T2>&)'
   23 |     b-=2*get<j>(t);
      |          ~~~~~~^~~
a.cc:23:16: note:   expected a type, got 'j'
/usr/include/c++/14/bits/stl_pair.h:1277:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_T1, _T2>&)'
 1277 |     get(const pair<_Tp, _Up>&