Language: C++

using namespace std;

using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
#include <iostream>
#include <string>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <cmath>
#include <climits>
#include <bitset>
#include <array>
#include <deque>
#include <queue>
#define all(x) (x).begin(),(x).end()

void solve(){

}
int main(){
    int n,k;
    cin >> n >> k;
    vector<int> x(n);
    for (int i = 0; i < n; i++){
        cin >> x[i];
    }

    ll ans;
    if (n-k > 0){
        ans = INT_MAX;
    } else {
        ans = x[x.size()-1] - x[0];
    }
    for (int i = 0; i < n-k; i++){
        int minN = x[i];
        int maxN = x[i+k-1];
        if (maxN < 0){
            maxN = 0;
        } else if (minN > 0){
            minN = 0;
        } else {
            if (abs(maxN) > abs(minN)){
                minN *= 2;
            } else {
                maxN *= 2;
            }
        }
        int tmp = maxN - minN;
        ans = min(ans,tmp);
    }

    cout << ans << endl;



    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:51:18: error: no matching function for call to 'min(ll&, int&)'
   51 |         ans = min(ans,tmp);
      |               ~~~^~~~~~~~~
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:6:
/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:51:18: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   51 |         ans = min(ans,tmp);
      |               ~~~^~~~~~~~~
/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:9:
/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:51:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   51 |         ans = min(ans,tmp);
      |               ~~~^~~~~~~~~