Language: C++

#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10;

long long n, k,  a[N],  b[N];

int main() {
	cin >> n >> k;
	int m1 = 0, m2 = 0;
	for (int i = 1; i <= n; ++i) {
		int x; scanf("%d", &x);
		if (x <= 0) a[++m1] = -x;
		else b[++m2] =x;
	}
	long long ans = 0x3f3f3f3f3f3f3f3f;
	sort(a + 1, a + m1 + 1);
	for (int i = max(0, k - m2); i <= min(k, m1); ++i) {
		if (i == k) ans = min(ans, a[i]);
		else ans = min(ans, a[i] * 2 + b[k - i]);
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:25: error: no matching function for call to 'max(int, long long int)'
   17 |         for (int i = max(0, k - m2); i <= min(k, m1); ++i) {
      |                      ~~~^~~~~~~~~~~
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:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:17:25: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   17 |         for (int i = max(0, k - m2); i <= min(k, m1); ++i) {
      |                      ~~~^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: 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:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:17:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   17 |         for (int i = max(0, k - m2); i <= min(k, m1); ++i) {
      |                      ~~~^~~~~~~~~~~
a.cc:17:46: error: no matching function for call to 'min(long long int&, int&)'
   17 |         for (int i = max(0, k - m2); i <= min(k, m1); ++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:17:46: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   17 |         for (int i = max(0, k - m2); i <= min(k, m1); ++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:17:46: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   17 |         for (int i = max(0, k - m2); i <= min(k, m1); ++i) {
      |                                           ~~~^~~~~~~