Language: C++

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

int main(){
  int N,K,beg=0;
  cin >> N >> K;
  int num0=N-1;
  long x[N];
  uint64_t ans=100000001;
  for(int i=0; i<N; i++) cin >> x[i];
  for(int i=0; i<N; i++) if(x[i]>0){
     num0 = i-1;
     break;
   }
  for(int i=max(num0-K+1,0); i<min(N-K+1,num0+2); i++){
    ans = min(ans, 2*abs(x[i])+abs(x[i+K-1]));
    ans = min(ans, 2*abs(x[i+K-1])+abs(x[i]));
    if(x[i]*x[i+K-1]>=0) ans = min(ans, max(abs(x[i]),abs(x[i+K-1])));
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: no matching function for call to 'min(uint64_t&, long int)'
   16 |     ans = min(ans, 2*abs(x[i])+abs(x[i+K-1]));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included 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_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:16:14: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'long int')
   16 |     ans = min(ans, 2*abs(x[i])+abs(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:
/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:16:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   16 |     ans = min(ans, 2*abs(x[i])+abs(x[i+K-1]));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:17:14: error: no matching function for call to 'min(uint64_t&, long int)'
   17 |     ans = min(ans, 2*abs(x[i+K-1])+abs(x[i]));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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:17:14: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'long int')
   17 |     ans = min(ans, 2*abs(x[i+K-1])+abs(x[i]));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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:17:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   17 |     ans = min(ans, 2*abs(x[i+K-1])+abs(x[i]));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:18:35: error: no matching function for call to 'min(uint64_t&, const long int&)'
   18 |     if(x[i]*x[i+K-1]>=0) ans = min(ans, max(abs(x[i]),abs(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:18:35: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'long int')
   18 |     if(x[i]*x[i+K-1]>=0) ans = min(ans, max(abs(x[i]),abs(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:18:35: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   18 |     if(x[i]*x[i+K-1]>=0) ans = min(ans, max(abs(x[i]),abs(x[i+K-1])));
      |                                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~