Language: C++

#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>

using namespace std;

typedef long long ll;
const ll maxn = 5010;
ll n,k,a[maxn],ans,sum;
bool f[maxn];

int main()
{
    scanf("%lld%lld",&n,&k);
    for (ll i = 0; i < n; i++)
    {
        scanf("%lld",&a[i]);
        sum += min(a[i],k);
    }
    sort(a,a + 1 + n);
    f[0] = 1;
    for (ll i = n; i >= 0; i--)
    {
        bool flag = true;
        for (ll j = k - 1; j >= max(0,k - sum); j--)
            if (f[j])
            {
                flag = false;
                break;
            }
        if (flag)
        {
            ans = i;
            break;
        }
        for (ll j = k; j >= a[i]; j--)
            if (f[j - a[i]])
                f[j] = 1;
        sum -= a[i];
    }
    printf("%lld\n",ans);

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:36: error: no matching function for call to 'max(int, ll)'
   26 |         for (ll j = k - 1; j >= max(0,k - sum); j--)
      |                                 ~~~^~~~~~~~~~~
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:3:
/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:26:36: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   26 |         for (ll j = k - 1; j >= max(0,k - sum); j--)
      |                                 ~~~^~~~~~~~~~~
/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,
                 from a.cc:4:
/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:26:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   26 |         for (ll j = k - 1; j >= max(0,k - sum); j--)
      |                                 ~~~^~~~~~~~~~~