Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <climits>
#include <map>
#include <set>
const int mod = 1e9 + 7;
const int inf = 1 << 20;
const long long INF = 1LL << 60;
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
using namespace std;


ll pow(ll a, ll n)
{
    if(n == 0){
        return 0;
    }else{
        ll k = 1;
        for(int i = 0; i < n; i++){
            k *= a;
        }
        return k;
    }


}

int main()
{
    int n;
    cin >> n;
    ll d[n];
    int m = 0;
    for(int i = 0; i < n; i++){
        cin >> d[i];
        m = max(d[i],m);
    }
    m++;
    ll cnt[m];
    ll ans = 1;
    for(int i = 0; i < m ;i++){
        cnt[i] = 0;
    }
    for(int i = 0; i < n; i++){
        cnt[d[i]]++;
    }
      
      
    if(cnt[0] != 1){
        cout << 0 << endl;
        return 0;
    }else{
        for(int i = 0; i < m; i++){
            if(cnt[i] == 0){
                cout << 0 << endl;
                return 0;
            }
        }
        for(int i = 0; i < m-1; i++){
            ans *= (pow(cnt[i],cnt[i+1]));
            ans %= 998244353;
        }
    }
    cout << ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:43:16: error: no matching function for call to 'max(ll&, int&)'
   43 |         m = max(d[i],m);
      |             ~~~^~~~~~~~
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:43:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   43 |         m = max(d[i],m);
      |             ~~~^~~~~~~~
/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:43:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   43 |         m = max(d[i],m);
      |             ~~~^~~~~~~~