Language: C++

#include <iostream>
#include <vector>
#include <iomanip>
#include <string>
#include <sstream>
#include <algorithm>
#include <map>
#include <bits/stdc++.h>

using namespace std;
#define REP(i,n) FOR(i,0,n)
#define FOR(i,a,b) for(long long i=(a),i##Len_=(b);i<i##Len_;i++)
typedef long long ll;
static const ll MOD = 1000000007;
static const ll INF = 1000000000000000000LL;

int main() {
    ll N;
    cin >> N;

    ll a[N];

    REP(i,N)
    {
        cin >> a[i];
    }

    ll t[9] = {400,800,1200,1600,2000,2400,2800,3200,4801};
    bool s[9] = {};
  
  	ll yaba = 0;

    REP(i,N)
    {
        REP(j,9)
        {
            if(a[i] < t[j])
            {
                s[j] = true;
              	if(j == 8)++yaba;
                break;
            }
        }
    }
    ll cnt = 0;

    REP(i,8)
    {
        if(s[i])++cnt;
    }

    ll iMax = cnt;
    ll iMin = max(1,cnt);

    if(s[9])
    {
        iMax += yaba;
    }

    cout << iMin << " " << iMax << endl;


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:53:18: error: no matching function for call to 'max(int, ll&)'
   53 |     ll iMin = max(1,cnt);
      |               ~~~^~~~~~~
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: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:53:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   53 |     ll iMin = max(1,cnt);
      |               ~~~^~~~~~~
/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:6:
/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:53:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   53 |     ll iMin = max(1,cnt);
      |               ~~~^~~~~~~