Language: C++

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
  int N,K;
  cin >> N >> K;
  vector <long long> x(N);
  for(int i=0;i<N;i++)
    cin >> x[i];

  int min_cost = 100000000;
  for(int i=0;i+K-1<N;i++)
    {
      //      cout << i << " " << i+K-1 << endl;
      //      cout << x[i] << " " << x[i+K-1] << endl;
      min_cost = min(min_cost, abs(x[i])+abs(x[i]-x[i+K-1]));
      min_cost = min(min_cost, abs(x[i+K-1])+abs(x[i]-x[i+K-1]));
    }
  
  cout << min_cost << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:21: error: no matching function for call to 'min(int&, long long int)'
   20 |       min_cost = min(min_cost, abs(x[i])+abs(x[i]-x[i+K-1]));
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:20:21: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   20 |       min_cost = min(min_cost, abs(x[i])+abs(x[i]-x[i+K-1]));
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:3:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:20:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |       min_cost = min(min_cost, abs(x[i])+abs(x[i]-x[i+K-1]));
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:21:21: error: no matching function for call to 'min(int&, long long int)'
   21 |       min_cost = min(min_cost, abs(x[i+K-1])+abs(x[i]-x[i+K-1]));
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:21:21: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   21 |       min_cost = min(min_cost, abs(x[i+K-1])+abs(x[i]-x[i+K-1]));
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:21:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   21 |       min_cost = min(min_cost, abs(x[i+K-1])+abs(x[i]-x[i+K-1]));
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~