Language: C++

#include <iostream>
#include <map>
#include <algorithm>
#include <queue>
#include <set>

using namespace std;
using lli = long long int;
using tlli3 = tuple<lli, lli, lli>;

lli D[200] = {};

int main(void) {

	lli N, K, ans = 0;
	cin >> N >> K;

	std::vector<lli> vec;

	for (int i = 0; i < N; i++) {
		cin >> D[i];
	}

	for (int l = 0; l < N; l++) {
		for (int r = l + 1; r <= N; r++) {

			if (l + N - r > K)
				continue;

			lli t = 0;

			for (int i = 0; i < l; i++) {
				t += D[i];
				vec.push_back(D[i]);
			}
			for (int i = r; i < N; i++) {
				t += D[i];
				vec.push_back(D[i]);
			}

			sort(vec.begin(), vec.end());

			for (int i = 0; i < min(K - (l + N - r), 1LL * vec.size()); i++) {
				if (vec[i] < 0)
					t -= vec[i];
			}

			vec.clear();

			ans = max(ans, t);
		}
	}

	cout << ans << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:43:48: error: no matching function for call to 'min(lli, long long unsigned int)'
   43 |                         for (int i = 0; i < min(K - (l + N - r), 1LL * vec.size()); i++) {
      |                                             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:43:48: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long long unsigned int')
   43 |                         for (int i = 0; i < min(K - (l + N - r), 1LL * vec.size()); 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
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:43:48: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   43 |                         for (int i = 0; i < min(K - (l + N - r), 1LL * vec.size()); i++) {
      |                                             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~