Language: C++

#include <bits/stdc++.h>
using namespace std;

#define sws ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define ll long long
#define vi vector<int>
#define pb push_back
#define pii pair<int, int>
#define mp make_pair
#define ff first
#define ss second
#define vvi vector<vi>
#define all(x) x.begin(), x.end()
#define fo(i, n) for( int i = 0; i < n; i++ )

const int INF = 1e9;
const ll INFLL = 0x3f3f3f3f3f3f3f3f;
const int MOD = 1e9 + 7;


int main() {

    int n;
    cin >> n;

    set<string> cores;
    int cont3200 = 0;
    vector<string> ratings = {"green", "brown", "green", "cyan", "blue", "yellow", "orange", "red"};
    fo(i, n) {
        int a;
        cin >> a;
        a /= 400;
        if ( a >= 3200 / 400 ) cont3200++;
        else cores.insert(ratings[a]);
    }

    cout << max(1, cores.size()) << " " << min((int) ratings.size(), (int) cores.size() + cont3200) << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:37:16: error: no matching function for call to 'max(int, std::set<std::__cxx11::basic_string<char> >::size_type)'
   37 |     cout << max(1, cores.size()) << " " << min((int) ratings.size(), (int) cores.size() + cont3200) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~
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:   template argument deduction/substitution failed:
a.cc:37:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::set<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'})
   37 |     cout << max(1, cores.size()) << " " << min((int) ratings.size(), (int) cores.size() + cont3200) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~
/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:
/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:37:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   37 |     cout << max(1, cores.size()) << " " << min((int) ratings.size(), (int) cores.size() + cont3200) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~