Language: C++

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int maxn=200005;
ll sum[maxn],a[maxn];
ll n,b,c,d,e;
ll ans=1e15+7;
bool check(ll x,ll y,int i)
{
    if(abs((x+a[i])-(y-a[i]))<abs(x-y))
    return 1;
    return 0;
}
int main()
{
    cin>>n;
    ll s=0;
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
        s+=a[i];
        sum[i]=s;
    }
    int j=0,k=2;
    for(int i=1;i<n-2;i++)
    {
        b=sum[j];
        c=sum[i]-sum[j];
        d=sum[k]-sum[i];
        e=sum[n-1]-sum[k];
        while(check(b,c,j+1) && j+1<i)
        {
            j++;
            b=sum[j];
            c=sum[i]-sum[j];
        }
        while(check(d,e,k+1) && k+1<n-1)
        {
            k++;
            d=sum[k]-sum[i];
            e=sum[n-1]-sum[k];
        }
        ans=min(ans,std::max({a,b,c,d})-std::min({a,b,c,d}));
    }
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:43:29: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   43 |         ans=min(ans,std::max({a,b,c,d})-std::min({a,b,c,d}));
      |                     ~~~~~~~~^~~~~~~~~~~
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:   candidate expects 2 arguments, 1 provided
/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, 1 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:   template argument deduction/substitution failed:
a.cc:43:29: note:   deduced conflicting types for parameter '_Tp' ('long long int*' and 'long long int')
   43 |         ans=min(ans,std::max({a,b,c,d})-std::min({a,b,c,d}));
      |                     ~~~~~~~~^~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided
a.cc:43:49: error: no matching function for call to 'min(<brace-enclosed initializer list>)'
   43 |         ans=min(ans,std::max({a,b,c,d})-std::min({a,b,c,d}));
      |                                         ~~~~~~~~^~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided
/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, 1 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:   template argument deduction/substitution failed:
a.cc:43:49: note:   deduced conflicting types for parameter '_Tp' ('long long int*' and 'long long int')
   43 |         ans=min(ans,std::max({a,b,c,d})-std::min({a,b,c,d}));
      |                                         ~~~~~~~~^~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided