Language: C++

#include<iostream>
using namespace std;
int N,S,max,min;

int main() {
	while (cin >> N && N>0) { // By while (), adopt the form of std in 
		int sum = 0;
		max = 0;
		min = 0;
		for (int i=0; i<N; i++) {
			cin >> S;
			sum += S; // calculate sum
			if (max < S) max = S; // search max
			if (min > S) min = S; // search min
		}
		int ans = (sum-max-min)/(N-2);
		cout << ans << endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: reference to 'max' is ambiguous
    8 |                 max = 0;
      |                 ^~~
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:303:5: note: candidates are: '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:257:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:9: note:                 'int max'
    3 | int N,S,max,min;
      |         ^~~
a.cc:9:17: error: reference to 'min' is ambiguous
    9 |                 min = 0;
      |                 ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidates are: '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:233:5: note:                 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:13: note:                 'int min'
    3 | int N,S,max,min;
      |             ^~~
a.cc:13:29: error: reference to 'max' is ambiguous
   13 |                         if (max < S) max = S; // search max
      |                             ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidates are: '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:257:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:9: note:                 'int max'
    3 | int N,S,max,min;
      |         ^~~
a.cc:13:38: error: reference to 'max' is ambiguous
   13 |                         if (max < S) max = S; // search max
      |                                      ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidates are: '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:257:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:9: note:                 'int max'
    3 | int N,S,max,min;
      |         ^~~
a.cc:14:29: error: reference to 'min' is ambiguous
   14 |                         if (min > S) min = S; // search min
      |                             ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidates are: '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:233:5: note:                 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:13: note:                 'int min'
    3 | int N,S,max,min;
      |             ^~~
a.cc:14:38: error: reference to 'min' is ambiguous
   14 |                         if (min > S) min = S; // search min
      |                                      ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidates are: '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:233:5: note:                 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:13: note:                 'int min'
    3 | int N,S,max,min;
      |             ^~~
a.cc:16:32: error: reference to 'max' is ambiguous
   16 |                 int ans = (sum-max-min)/(N-2);
      |                                ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidates are: '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:257:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:9: note:                 'int max'
    3 | int N,S,max,min;
      |         ^~~
a.cc:16:36: error: reference to 'min' is ambiguous
   16 |                 int ans = (sum-max-min)/(N-2);
      |                                    ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidates are: '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:233:5: note:                 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:3:13: note:                 'int min'
    3 | int N,S,max,min;
      |             ^~~