Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define all(x) (x).begin(),(x).end()
template <class T> inline bool chmin(T &a, T b) {if (a > b){a = b;return true;}return false;}
template <class T> inline bool chmax(T &a, T b) {if (a < b){a = b;return true;}return false;}

const ll MOD = 998244353;

ll modpow(ll n, ll p, ll m) {
    ll res = 1;
    while(p>0){
        if(p%2==1) res = (res * n) % m;
        n = (n * n) % m;
        p /= 2;
    }
    return res;
}

ll cnt[101010];
ll v[101010];

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n;cin>>n;
    int mx_dist = 0;
    rep(i,n) {
        int t;cin>>t;
        v[i] = t;
    }
    rep(i,n){
        cnt[v[i]]++; 
    }
    rep(i,n){
        mx_dist = max(mx_dist, v[i]);
    }
    if(v[0] != 0 || cnt[0]!=1){
        cout<<'0'<<endl;
        return 0;
    }
    ll ans = 1LL;
    for(int i=1; i<=mx_dist; i++){
        ans *= modpow((ll)cnt[i-1], (ll)cnt[i], MOD)%MOD;
        // for(int j=0; j<cnt[i]; j++) ans = ans * cnt[i-1] % MOD;
    }
    cout<<ans%MOD<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:22: error: no matching function for call to 'max(int&, ll&)'
   38 |         mx_dist = max(mx_dist, v[i]);
      |                   ~~~^~~~~~~~~~~~~~~
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:38:22: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   38 |         mx_dist = max(mx_dist, v[i]);
      |                   ~~~^~~~~~~~~~~~~~~
/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:38:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   38 |         mx_dist = max(mx_dist, v[i]);
      |                   ~~~^~~~~~~~~~~~~~~