criyle/codenet-compile-errors huggingface dataset:
Language: C++

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

const int N=1e5+7;
ll fact[N];
int cnt[N];

const ll mod=998244353;
int main()
{

	ios_base:: sync_with_stdio(false); cin.tie(0);
	int n; cin>>n;
	cnt[0]=1;
	for(int i=1; i<=n; i++) {
		int a;
		cin>>a;
		cnt[a]++;
	}

	if (cnt[0] != 1) {
		cout<<0<<endl;
		return 0;
	}
	ll ans = 1;
	while(cnt[n] == 0) n--;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < cnt[i+1]; j++) {
			ans = ans*cnt[i];
			ans%=mod;
		}
	}
	cout<<ans<<endl;

	return 0;
}


Compiler output:
a.cc:5:1: error: 'll' does not name a type
    5 | ll fact[N];
      | ^~
a.cc:8:7: error: 'll' does not name a type
    8 | const ll mod=998244353;
      |       ^~
a.cc: In function 'int main()':
a.cc:25:9: error: 'll' was not declared in this scope
   25 |         ll ans = 1;
      |         ^~
a.cc:29:25: error: 'ans' was not declared in this scope; did you mean 'abs'?
   29 |                         ans = ans*cnt[i];
      |                         ^~~
      |                         abs
a.cc:30:30: error: 'mod' was not declared in this scope; did you mean 'modf'?
   30 |                         ans%=mod;
      |                              ^~~
      |                              modf
a.cc:33:15: error: 'ans' was not declared in this scope; did you mean 'abs'?
   33 |         cout<<ans<<endl;
      |               ^~~
      |               abs
Language: C++

#include <bits/stdc++>

const ll MOD = 998244353;
ll mult(ll x, ll y) {
	return (x * y) % MOD;
}

const int N = 100100;
int a[N];
using namespace std;
int main()
{

	int n;
	scanf("%d", &n);
	int x;
	scanf("%d", &x);
	if (x != 0) {
		printf("0\n");
		return 0;
	}
	a[0] = 1;
	for (int i = 1; i < n; i++) {
		scanf("%d", &x);
		a[x]++;
	}
	if (a[0] != 1) {
		printf("0\n");
		return 0;
	}
	while(a[n] == 0) n--;
	ll ans = 1;
	for (int i = 0; i < n; i++)
		for (int j = 0; j < a[i + 1]; j++)
			ans = mult(ans, a[i]);
	printf("%lld\n", ans);

	return 0;
}


Compiler output:
a.cc:1:10: fatal error: bits/stdc++: No such file or directory
    1 | #include <bits/stdc++>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
using namespace std;
const long long mod=998244353;

long long mod_pow ( long long f , long long x ) {
	long long s = 1;
	while ( x ) {
		if ( x % 2 ) s = s * f % mod;
		f = f * f % mod; x = x / 2;
	}
	return s % mod;
}

int main() {
  int n;
  cin >> n;
  vector<long long> box(n,0);
  for(int i=0;i<n;i++) {
    cin >> box.at(i);
  }
  vector<long long> num_box(n,0);
  for(int i=0;i<n;i++) {
    num_box.at(box.at(i))++;
  }
  long long ans = 1;
  if(box.at(0)!=0) {
    ans = 0;
  }
  else {
    long long temp=0;
    for(int i=0;i<n;i++) {
      if(temp==0&&num_box.at(i)==0) {
        temp=i;
      }
      else if(temp!=0&&num_box.at(i)!=0) {
        ans=0;
      }
    }

    for(int i=0;i<n-1;i++) {
      if(num_box.at(i+1)==0) {
        break;
      }
      ans *= (pow_mod(num_box.at(i),num_box.at(i+1)))%mod;
      ans%=mod;
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:44:15: error: 'pow_mod' was not declared in this scope
   44 |       ans *= (pow_mod(num_box.at(i),num_box.at(i+1)))%mod;
      |               ^~~~~~~
Language: C++

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

int main(){
  int n;
  cin >> n;
  vector<int> d(n);
  for(int i = 0; i < n; i++){
    cin >> d.at(i);
    if(int i == 0 & d.at(i) != 0){
      cout << 0;
      return 0;
    }
    if(int i != 0 & d.at(i) == 0){
      cout << 0;
      return 0;
    }
  }
  sort(d.rbegin(), d.rend());
  vector<int> p(d.at(0) + 1);
  for(int i = d.at(0); i >= 0; i--){
    int tmp = 0;
    for(int j = 0; j < n; j++){
      if(d.at(j) == i) tmp++;
    }
    p.at(j) = tmp;
  }
  reverse(p.begin(), p.end());
  long int out = 1;
  for(int i = 2; i < d.at(0) + 1; i++){
    long int tmp = 1;
    for(int j = 1; j < d.at(i) + 1; j++){
      tmp *= p.at(i - 1) % 998244353;
    }
    out *= tmp % 998244353;
  }
  cout << out;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: expected initializer before '==' token
   10 |     if(int i == 0 & d.at(i) != 0){
      |              ^~
a.cc:10:13: error: expected ')' before '==' token
   10 |     if(int i == 0 & d.at(i) != 0){
      |       ~     ^~~
      |             )
a.cc:14:14: error: expected initializer before '!=' token
   14 |     if(int i != 0 & d.at(i) == 0){
      |              ^~
a.cc:14:13: error: expected ')' before '!=' token
   14 |     if(int i != 0 & d.at(i) == 0){
      |       ~     ^~~
      |             )
a.cc:26:10: error: 'j' was not declared in this scope
   26 |     p.at(j) = tmp;
      |          ^
Language: C++

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

int main() {
	int N;
  	cin >> N;
  	int d;
  	int total;
  	cin >> total;
  	if(total != 0) {
      cout << 0 << endl;
      return;
    }
  	for(int i = 0; i < N; i++) {
      cin >> d;
      total *= d;
	}
	
 	cout << total << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:7: error: return-statement with no value, in function returning 'int' [-fpermissive]
   12 |       return;
      |       ^~~~~~
Language: C

#include <iostream>
typedef long long ll;
#define mod 998244353
using namespace std;
ll power(int n, int m){
    ll ans = 1LL;
    for(int i=0;i<m;i++){
        ans *= n;
        ans %= mod;
    }
    return ans;
}
int main(void)
{
    int n; cin >> n;
    int d[100001];
    for(int i=0;i<100001;i++) d[i] = 0;
    bool flag = false;
    int size = 0;
    for(int i=0;i<n;i++){
        int x; cin >> x;
        if(i==0&&x!=0) flag = true;
        if(d[x]==0) size++;
        d[x]++;
    }
    ll ans = 1;
    if(d[0]!=1) flag = true;
    else{
        for(int i=0;i<size-2;i++){
            if(d[i+1]==0||d[i+2]==0){
                flag = true; break;
            }
            ans *= power(d[i+1],d[i+2]);
            ans %= mod;
        }
    }
    if(flag) cout << 0 << endl;
    else cout << ans << endl;
}


Compiler output:
main.c:1:10: fatal error: iostream: No such file or directory
    1 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for( int  i = 0 ; i < n ; i++ ) 
typedef long long ll ;

int main(){
    int n ;
    cin >> n ;
    vector<int> A(n) ;
    vector<int> B(n) ;
    rep(i,n) cin >> A.at(i) ;
    int ans = 1 ;
    rep(i,n) B.at( A.at(i) )++ ;
    if( B.at(0) == 0 ){
        cout << 0 << endl;
        return 0 ;
    }
    for(int i = 0 ; i < n-1 ; i++ ){
        if( B.at(i+1) == 0 ) break ;
        ans*=pow( B.at(i),B.at(i+1) )%998244353 ;
    }
    cout  << ans <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:38: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'int' to binary 'operator%'
   20 |         ans*=pow( B.at(i),B.at(i+1) )%998244353 ;
      |              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
      |                 |                     |
      |                 |                     int
      |                 __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#pragma GCC optimize(2) 
#include<iostream>
#include<algorithm>
using namespace std;
const int mod=998244353;
long long a[100010];
long long n,x;
long long ksm(long long a,long long b){
	long long res=1;
	while(b){
		if(b&1){
			res*=a;
			res%=mod;
		}
		a*=a;
		a%=mod;
		b>>=1;
	}
	return res;
}
 
int main(){
	//scanf("%lld",&n);
	cin>>n;
	int flag=0;
//	scanf("%lld",&x);
	cin>>x;
	int ans=x;
	if(x!=0) flag=1;
	for(int i=1;i<n;i++){
//		scanf("%lld",&x);
		cin>>x;
		a[x]++;
		if(x==0) flag=1;
		ans=max(ans,x);
	}
	if(flag){
	//	printf("0\n");
		cout<<0<<"\n";
	}
	else{
	long long sum=1;
		for(int i=1;i<ans;i++){
			if(a[i]==0){
				flag=1;
				break;
			}
			sum*=ksm(a[i],a[i+1]);
			sum%=mod;
		}
		if(flag) cout<<0<<"\n";//printf("0\n");
		else  cout<<sum<<"\n";//printf("%lld\n",sum);
	}
	return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:35:24: error: no matching function for call to 'max(int&, long long int&)'
   35 |                 ans=max(ans,x);
      |                     ~~~^~~~~~~
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:2:
/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:35:24: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   35 |                 ans=max(ans,x);
      |                     ~~~^~~~~~~
/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:3:
/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:35:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   35 |                 ans=max(ans,x);
      |                     ~~~^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N,tmp,tmpMax=0;
  long long mod = 998244353
  long long ans=1;
  cin >> N;
 
  vector<long long> D(N);
  for(int i=0; i<N; i++){
    cin >> tmp;
    D.at(tmp)++;
    tmpMax=max(tmpMax,tmp);
  }
  
  if(D.at(0)!=1){
    cout << 0 << endl;
    return 0;
  }
  
  for(int i=1;i<=tmpMax;i++){
    for(int ii=0;ii<D.at(i);ii++){
      ans *= D.at(i-1);
      ans %= mod;
    }
  }
  
  cout << ans << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: expected ',' or ';' before 'long'
    6 |   long long ans=1;
      |   ^~~~
a.cc:23:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |       ans *= D.at(i-1);
      |       ^~~
      |       abs
a.cc:28:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   28 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0, i##_len = (int)(n); i < i##_len; i++)
#define reps(i, n) for (int i = 1, i##_len = (int)(n); i <= i##_len; i++)
#define ALL(v) (v).begin(), (v).end()
const auto MOD = 998244353;
int main() {
    int n;
    cin >> n;
    auto counts = vector<int>(n, 0);
    int c;
    cin >> c;
    if (c != 0) {
        cout << 0 << endl;
        return 0;
    }
    counts[0] = 1;
    rep(i, n - 1) {
        int d;
        cin >> d;
        counts[d]++;
    }
    auto iterator = counts.end();
    iterator--;p
    while (*iterator == 0) {
        counts.erase(iterator);
        iterator = counts.end();
        iterator--;
    }
    if (counts[0] > 1 || count(ALL(counts), 0) > 0) {
        cout << 0 << endl;
        return 0;
    }
    long long ans = 1;
    reps(i, counts.size() - 1) {
        auto x = counts[i - 1];
        auto y = counts[i];
        rep(j, y) {
            ans *= x;
            ans %= MOD;
        }
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:16: error: 'p' was not declared in this scope
   24 |     iterator--;p
      |                ^
Language: C++

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

const ll mod = 998244353;

int dis[100000 + 10];

ll ksm(ll a, ll b)
{
	ll ans = 1;
	while( b )
	{
		if(b & 1) ans = ans * a % mod;
		b >>= 1;
		a = a * a % mod;
	}
	return ans;
}

int main()
{
	ll n;
	cin>>n;
	ll x;
	ll maxn=0;
	dis[0]=1;
	cin>>x;
	ll flag=0;
	if(x != 0)
	{
		flag = 1;
	}
//	printf("YES");
	for(ll i=1; i<n; i++)
	{
		cin>>x;
		if(x == 0) flag = 1;
		maxn=max(maxn, x);
		dis[x]++;
	}
//	printf("NO");	
//	cout<<maxn<<endl;
	if(flag)
	{
		printf("0");
	}
	else
	{
		ll ans=1;
		for(ll i=1; i < maxn; i++)
		{
			if(dis[i] == 0)
			{
				flag = 1;
			}
			ans=ans*ksm(dis[i], dis[i+1])%mod;
		}
	}	
//	printf("YEs");
	if(flag) printf("0");
	else cout<<ans;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:62:20: error: 'ans' was not declared in this scope; did you mean 'abs'?
   62 |         else cout<<ans;
      |                    ^~~
      |                    abs
Language: C++

include<bits/stdc++.h>

using namespace std;

typedef long long ll;
const ll mod=998244353;
const ll N=1e6;
int a[N];
int b[N];
ll pow_mod(ll a,ll b){
	ll res=1;
	while(b){
		res=res*a%mod;
		a=a*a%mod;
		b>>=1;
	}
	return res%mod;
}
int main()
{
	int n;
	cin>>n;
	int k;
	ll ans=0;
	cin>>k;
	if(k!=0){
		cout<<ans<<endl;
		return 0;
	}
	a[k]++;
	b[0]=k;
	for(int i=1;i<n;i++){
		cin>>k;
		b[i]=k;
		a[k]++;
	}
	if(a[0]>1){
		cout<<ans<<endl;
		return 0;
	}
	sort(b,b+n);
	for(int i=0;i<b[n-1];i++){
		if(a[i]==0){
			cout<<ans<<endl;
			return 0;
		}
	}
	ans=1;
	for(int i=2;i<=b[n-1];i++){
		ans=(ans%mod*pow_mod(a[i-1],a[i]))%mod;
	}
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:22:9: error: 'cin' was not declared in this scope
   22 |         cin>>n;
      |         ^~~
a.cc:27:17: error: 'cout' was not declared in this scope
   27 |                 cout<<ans<<endl;
      |                 ^~~~
a.cc:27:28: error: 'endl' was not declared in this scope
   27 |                 cout<<ans<<endl;
      |                            ^~~~
a.cc:38:17: error: 'cout' was not declared in this scope
   38 |                 cout<<ans<<endl;
      |                 ^~~~
a.cc:38:28: error: 'endl' was not declared in this scope
   38 |                 cout<<ans<<endl;
      |                            ^~~~
a.cc:41:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   41 |         sort(b,b+n);
      |         ^~~~
      |         short
a.cc:44:25: error: 'cout' was not declared in this scope
   44 |                         cout<<ans<<endl;
      |                         ^~~~
a.cc:44:36: error: 'endl' was not declared in this scope
   44 |                         cout<<ans<<endl;
      |                                    ^~~~
a.cc:52:9: error: 'cout' was not declared in this scope
   52 |         cout<<ans<<endl;
      |         ^~~~
a.cc:52:20: error: 'endl' was not declared in this scope
   52 |         cout<<ans<<endl;
      |                    ^~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

#define REP(i, n) for(int i = 0; i < (int)(n); ++i)
#define FOR(i, m, n) for(int i = (int)(m); i < (int)(n); ++i)

const int MOD = 998244353;


int main()
{
    int N;
    cin >> N;
    vector<int> D(N);
    REP(i, N) cin >> D[i];

    vector<int> count(N);
    REP(i, N) ++count[D[i]];

    if(D[0] != 0 or count[i] != 1){
        cout << 0 << endl;
        return 0;
    }

    long long ans = 1;
    FOR(i, 1, N){
        REP(_, count[i]){
            ans *= count[i-1];
            ans %= MOD;
        }
    }
    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:27: error: 'i' was not declared in this scope
   22 |     if(D[0] != 0 or count[i] != 1){
      |                           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll N = 2e5 + 7;
const ll mod = 998244353;
ll arr[N];
ll ksm(ll a, ll b){
	ll sum =1;
	while(b){
		if(b&1)
			sum = sum * a % mod;
		a=a*a%mod;
		b>>=1;
	}
	return sum;
}

ll main(){
	ll n,a,flag=0,flag1=0;
	ll sum = 1;
	cin >> n;
	for(ll i = 0; i < n; i ++ ){
		scanf("%lld",&a);
		if(i==0&&a==0){
			flag1=1;
		}
		arr[a]++;
		if(a>flag){
			flag = a;
		}
	}
	if(!flag1){
		printf("0\n");
	}
	else{
		for(ll i=2;i<=flag;i ++ ){
			if(arr[i]==0){
				sum=0;
				break;	
			}
			sum = sum * ksm(arr[i-1],arr[i])%mod;
		}
		printf("%lld\n",sum);
	}
	
	
	
	return 0;
}

Compiler output:
a.cc:18:1: error: '::main' must return 'int'
   18 | ll main(){
      | ^~
Language: C++

//
//  atcoder.cpp
//
//
///
#include <bits/stdc++.h>
#include <boost/optional.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/multiset_of.hpp>
#include <boost/multi_array.hpp>
#include <boost/math/common_factor.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/pending/disjoint_sets.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/kruskal_min_spanning_tree.hpp>
#include <boost/graph/graph_utility.hpp>
#include <boost/numeric/ublas/vector.hpp>
#include <boost/multiprecision/cpp_int.hpp>
// ↓これいる？
#include <boost/graph/strong_components.hpp>

#define REP(i, N) for(int i=0; i<(N); i++)
#define REC(f, ...) (void)0; const auto f = [&](const auto f, __VA_ARGS__)
using namespace std;
using namespace boost::math;
using namespace boost::numeric;
using namespace boost::multiprecision;
using ll = long long;
namespace bst = boost;
template<class T> void fill(T& v) { for (auto&& i : v) cin >> i; }

//#include "atcoder.hpp"
/*
ll pow(ll a, ll b) {
  ll tmp = 1;
  
  while (b > 0) {
    if (b%2) tmp = (tmp * a) % 998244353LL;
    a = (a * a) % 998244353LL;
    b /= 2;
  }
  
  return tmp;
}
*/
int main() {
    int N, mx = 0;
    
    cin >> N;
  
    vector<int> D(N),cnt(N, 0);
  
    fill(D);
  
  REP(i, N) {
    cnt[D[i]]++;
    mx = max(mx, D[i]);
  }
  
  if (D[0] != 0 || cnt[0] != 1){
    cout << 0 << endl;
    return 0;
  }
  
  ll ret = 1LL;
  for (int i = 2; i <= mx;i++) {
    auto mul = pow((cpp_int)cnt[i-1], (unsigned int)cnt[i]) % 998244353LL;
    ret = (ret * mul) % 998244353LL;
  }
    
    cout << ret << endl;
    
    return 0;
}








Compiler output:
a.cc:7:10: fatal error: boost/optional.hpp: No such file or directory
    7 | #include <boost/optional.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

//
//  atcoder.cpp
//
//
///
#include <bits/stdc++.h>
#include <boost/optional.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/multiset_of.hpp>
#include <boost/multi_array.hpp>
#include <boost/math/common_factor.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/pending/disjoint_sets.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/kruskal_min_spanning_tree.hpp>
#include <boost/graph/graph_utility.hpp>
#include <boost/numeric/ublas/vector.hpp>
#include <boost/multiprecision/cpp_int.hpp>
// ↓これいる？
#include <boost/graph/strong_components.hpp>

#define REP(i, N) for(int i=0; i<(N); i++)
#define REC(f, ...) (void)0; const auto f = [&](const auto f, __VA_ARGS__)
using namespace std;
using namespace boost::math;
using namespace boost::numeric;
using namespace boost::multiprecision;
using ll = long long;
namespace bst = boost;
template<class T> void fill(T& v) { for (auto&& i : v) cin >> i; }

//#include "atcoder.hpp"
/*
ll pow(ll a, ll b) {
  ll tmp = 1;
  
  while (b > 0) {
    if (b%2) tmp = (tmp * a) % 998244353LL;
    a = (a * a) % 998244353LL;
    b /= 2;
  }
  
  return tmp;
}
*/
int main() {
    int N, mx = 0;
    
    cin >> N;
  
    vector<int> D(N),cnt(N, 0);
  
    fill(D);
  
  REP(i, N) {
    cnt[D[i]]++;
    mx = max(mx, D[i]);
  }
  
  if (D[0] != 0 || cnt[0] != 1){
    cout << 0 << endl;
    return 0;
  }
  
  ll ret = 1LL;
  for (int i = 2; i <= mx;i++) {
    auto mul = pow(cpp_int(cnt[i-1]), (unsigned int)cnt[i]);
    ret = (ret * mul) % 998244353LL;
  }
    
    cout << ret << endl;
    
    return 0;
}








Compiler output:
a.cc:7:10: fatal error: boost/optional.hpp: No such file or directory
    7 | #include <boost/optional.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

//
//  atcoder.cpp
//
//
///
#include <bits/stdc++.h>
#include <boost/optional.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/multiset_of.hpp>
#include <boost/multi_array.hpp>
#include <boost/math/common_factor.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/pending/disjoint_sets.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/kruskal_min_spanning_tree.hpp>
#include <boost/graph/graph_utility.hpp>
#include <boost/numeric/ublas/vector.hpp>
#include <boost/multiprecision/cpp_int.hpp>
// ↓これいる？
#include <boost/graph/strong_components.hpp>

#define REP(i, N) for(int i=0; i<(N); i++)
#define REC(f, ...) (void)0; const auto f = [&](const auto f, __VA_ARGS__)
using namespace std;
using namespace boost::math;
using namespace boost::numeric;
using namespace boost::multiprecision;
using ll = long long;
namespace bst = boost;
template<class T> void fill(T& v) { for (auto&& i : v) cin >> i; }

//#include "atcoder.hpp"
/*
ll pow(ll a, ll b) {
  ll tmp = 1;
  
  while (b > 0) {
    if (b%2) tmp = (tmp * a) % 998244353LL;
    a = (a * a) % 998244353LL;
    b /= 2;
  }
  
  return tmp;
}
*/
int main() {
    int N, mx = 0;
    
    cin >> N;
  
    vector<int> D(N),cnt(N, 0);
  
    fill(D);
  
  REP(i, N) {
    cnt[D[i]]++;
    mx = max(mx, D[i]);
  }
  
  if (D[0] != 0 || cnt[0] != 1){
    cout << 0 << endl;
    return 0;
  }
  
  ll ret = 1LL;
  for (int i = 2; i <= mx;i++) {
    auto mul = pow((cpp_int)cnt[i-1], (unsigned int)cnt[i]);
    ret = (ret * mul) % 998244353LL;
  }
    
    cout << ret << endl;
    
    return 0;
}








Compiler output:
a.cc:7:10: fatal error: boost/optional.hpp: No such file or directory
    7 | #include <boost/optional.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

//
//  atcoder.cpp
//
//
///
#include <bits/stdc++.h>
#include <boost/optional.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/multiset_of.hpp>
#include <boost/multi_array.hpp>
#include <boost/math/common_factor.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/pending/disjoint_sets.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/kruskal_min_spanning_tree.hpp>
#include <boost/graph/graph_utility.hpp>
#include <boost/numeric/ublas/vector.hpp>
#include <boost/multiprecision/cpp_int.hpp>
// ↓これいる？
#include <boost/graph/strong_components.hpp>

#define REP(i, N) for(int i=0; i<(N); i++)
#define REC(f, ...) (void)0; const auto f = [&](const auto f, __VA_ARGS__)
using namespace std;
using namespace boost::math;
using namespace boost::numeric;
using namespace boost::multiprecision;
using ll = long long;
namespace bst = boost;
template<class T> void fill(T& v) { for (auto&& i : v) cin >> i; }

//#include "atcoder.hpp"
/*
ll pow(ll a, ll b) {
  ll tmp = 1;
  
  while (b > 0) {
    if (b%2) tmp = (tmp * a) % 998244353LL;
    a = (a * a) % 998244353LL;
    b /= 2;
  }
  
  return tmp;
}
*/
int main() {
    int N, mx = 0;
    
    cin >> N;
  
    vector<int> D(N),cnt(N, 0);
  
    fill(D);
  
  REP(i, N) {
    cnt[D[i]]++;
    mx = max(mx, D[i]);
  }
  
  if (D[0] != 0 || cnt[0] != 1){
    cout << 0 << endl;
    return 0;
  }
  
  ll ret = 1LL;
  for (int i = 2; i <= mx;i++) {
    auto mul = pow((ll)cnt[i-1], (unsigned int)cnt[i]);
    ret = (ret * mul) % 998244353LL;
  }
    
    cout << ret << endl;
    
    return 0;
}








Compiler output:
a.cc:7:10: fatal error: boost/optional.hpp: No such file or directory
    7 | #include <boost/optional.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

//
//  atcoder.cpp
//
//
///
#include <bits/stdc++.h>
#include <boost/optional.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/multiset_of.hpp>
#include <boost/multi_array.hpp>
#include <boost/math/common_factor.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/pending/disjoint_sets.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/kruskal_min_spanning_tree.hpp>
#include <boost/graph/graph_utility.hpp>
#include <boost/numeric/ublas/vector.hpp>
// ↓これいる？
#include <boost/graph/strong_components.hpp>

#define REP(i, N) for(int i=0; i<(N); i++)
#define REC(f, ...) (void)0; const auto f = [&](const auto f, __VA_ARGS__)
using namespace std;
using namespace boost::math;
using namespace boost::numeric;
using ll = long long;
namespace bst = boost;
template<class T> void fill(T& v) { for (auto&& i : v) cin >> i; }

//#include "atcoder.hpp"

ll pow(ll a, ll b) {
  ll tmp = 1;
  
  while (b > 0) {
    if (b%2) tmp = (tmp * a) % 998244353LL;
    a = (a * a) % 998244353LL;
    b /= 2;
  }
  
  return tmp;
}

int main() {
    int N, mx = 0;
    
    cin >> N;
  
    vector<int> D(N),cnt(N, 0);
  
    fill(D);
  
  REP(i, N) {
    cnt[D[i]]++;
    mx = max(mx, D[i]);
  }
  
  if (D[0] != 0 || cnt[0] != 1){
    cout << 0 << endl;
    return 0;
  }
  
  ll ret = 1LL;
  for (int i = 2; i <= mx;i++) {
    auto mul = pow((ll)cnt[i-1], (unsigned int)cnt[i]);
    ret = (ret * mul) % 998244353LL;
  }
    
    cout << ret << endl;
    
    return 0;
}








Compiler output:
a.cc:7:10: fatal error: boost/optional.hpp: No such file or directory
    7 | #include <boost/optional.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

//
//  atcoder.cpp
//
//
///
#include <bits/stdc++.h>
#include <boost/optional.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/multiset_of.hpp>
#include <boost/multi_array.hpp>
#include <boost/math/common_factor.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/pending/disjoint_sets.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/kruskal_min_spanning_tree.hpp>
#include <boost/graph/graph_utility.hpp>
#include <boost/numeric/ublas/vector.hpp>
#include <boost/multiprecision/cpp_int.hpp>
// ↓これいる？
#include <boost/graph/strong_components.hpp>

#define REP(i, N) for(int i=0; i<(N); i++)
#define REC(f, ...) (void)0; const auto f = [&](const auto f, __VA_ARGS__)
using namespace std;
using namespace boost::math;
using namespace boost::numeric;
using namespace boost::multiprecision;
using ll = long long;
namespace bst = boost;
template<class T> void fill(T& v) { for (auto&& i : v) cin >> i; }

//#include "atcoder.hpp"
/*
ll pow(ll a, ll b) {
  ll tmp = 1;
  
  while (b > 0) {
    if (b%2) tmp = (tmp * a) % 998244353LL;
    a = (a * a) % 998244353LL;
    b /= 2;
  }
  
  return tmp;
}
*/
int main() {
    int N, mx = 0;
    
    cin >> N;
  
    vector<int> D(N),cnt(N, 0);
  
    fill(D);
  
  REP(i, N) {
    cnt[D[i]]++;
    mx = max(mx, D[i]);
  }
  
  if (D[0] != 0 || cnt[0] != 1){
    cout << 0 << endl;
    return 0;
  }
  
  ll ret = 1LL;
  for (int i = 2; i <= mx;i++) {
    auto mul = pow((ll)cnt[i-1], (ll)cnt[i]);
    ret = (ret * mul) % 998244353LL;
  }
    
    cout << ret << endl;
    
    return 0;
}








Compiler output:
a.cc:7:10: fatal error: boost/optional.hpp: No such file or directory
    7 | #include <boost/optional.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <vector>
#include <cmath>

using namespace std;

const long long mod = 998244353;

int main() {
  int n = 0;
  cin >> n;
  vector<long long> d(1e5);
  int tmp = 0;
  for (int i=0; i<n; i++) {
    cin >> tmp;
    d.at(tmp)++;
  }
  
  if (d.at(0) != 1) {
    cout << 0 << endl;
    return 0;
  }
  for (int i=n-2; i>=0; i--) {
    if (d.at(i) == 0 && d.at(i+1) != 0) {
      cout << 0 << endl;
      return 0;
    }
  }
  
  long long ans = 1;
  int cur = 1;
  while (d.at(cur) != 0) {
   	ans *= pow(d.at(cur-1), d.at(cur)) % mod; 
    ans %= mod;
    cur++;
  }
  
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:44: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'const long long int' to binary 'operator%'
   33 |         ans *= pow(d.at(cur-1), d.at(cur)) % mod;
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~
      |                   |                          |
      |                   |                          const long long int
      |                   __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <iostream>
#include <vector>
#include <cmath>

using namespace std;

const long long mod = 998244353;

int main() {
  int n = 0;
  cin >> n;
  vector<long long> d(1e5);
  int tmp = 0;
  for (int i=0; i<n; i++) {
    cin >> tmp;
    d.at(tmp)++;
  }
  
  if (d.at(0) != 1) {
    cout << 0 << endl;
    return 0;
  }
  for (int i=n-2; i>=0; i--) {
    if (d.at(i) == 0 && d.at(i+1) != 0) {
      cout << 0 << endl;
      return 0;
    }
  }
  
  long long ans = 1;
  int cur = 1;
  while (d.at(cur) != 0) {
   	ans *= pow(d.at(cur-1), d.at(cur)) % mod; 
    ans %= mod
    cur++;
  }
  
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:44: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'const long long int' to binary 'operator%'
   33 |         ans *= pow(d.at(cur-1), d.at(cur)) % mod;
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~
      |                   |                          |
      |                   |                          const long long int
      |                   __gnu_cxx::__promote<double>::__type {aka double}
a.cc:34:15: error: expected ';' before 'cur'
   34 |     ans %= mod
      |               ^
      |               ;
   35 |     cur++;
      |     ~~~
Language: C++

#include <bits\stdc++.h>

typedef long long ll;
using namespace std;
const int MAXN = 1e5 +1;
const ll mod = 998244353;
int dem[MAXN];

ll lt(ll x, ll y)
{
    ll res =1;
    x=x%mod;
    while (y>0)
    {
        if (y&1) res=(res*x)%mod;
        x=(x*x)%mod;
        y=y>>1;
    }
    return res;
}




//#define RICARDO
int main()
{
#ifdef RICARDO
    //freopen("input.inp", "r", stdin);
#endif // RICARDO
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    //vector<int> dem(n+1,0
    int maxx=0;
    for(int i=0; i<n; i++)
    {
        int k;
        cin >> k;
        dem[k]++;
        maxx = max(maxx,k);
    }
    ll ans=1;
    if (dem[0]==0) ans=0;
    else
    for(int i=1 ; i<=maxx; ++i)
        if (dem[i]==0)
        {
            ans =0;
            break;
        }else
        {
            ans=(ans*lt(dem[i-1],dem[i]))%mod;
        }
    cout << ans;
    return 0;
}


Compiler output:
a.cc:1:10: fatal error: bits\stdc++.h: No such file or directory
    1 | #include <bits\stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits\stdc++.h>

typedef long long ll;
using namespace std;
const int MAXN = 1e5 +1;
const ll mod = 998244353;
int dem[MAXN];

ll lt(ll x, ll y)
{
    ll res =1;
    x=x%mod;
    while (y>0)
    {
        if (y&1) res=(res*x)%mod;
        x=(x*x)%mod;
        y=y>>1;
    }
    return res;
}




//#define RICARDO
int main()
{
#ifdef RICARDO
    freopen("input.inp", "r", stdin);
#endif // RICARDO
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    //vector<int> dem(n+1,0
    int maxx=0;
    for(int i=0; i<n; i++)
    {
        int k;
        cin >> k;
        dem[k]++;
        maxx = max(maxx,k);
    }
    ll ans=1;
    if (dem[0]==0) ans=0;
    else
    for(int i=1 ; i<=maxx; ++i)
        if (dem[i]==0)
        {
            ans =0;
            break;
        }else
        {
            ans=(ans*lt(dem[i-1],dem[i]))%mod;
        }
    cout << ans;
    return 0;
}


Compiler output:
a.cc:1:10: fatal error: bits\stdc++.h: No such file or directory
    1 | #include <bits\stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define rep(i,b) FOR(i,0,b)
#define INF mugen
#define dump(x) cerr<<#x<<"="<<x<<endl
#define ALL(a) (a).begin(),(a).end()
#define EACH(e,v) for(auto& e:v)
#define SORT(v) sort(ALL(v))
#define PERM(v) SORT(v);for(bool c##p=1;c##p;c##p=next_permutation(ALL(v)))
typedef vector<int> vi;
typedef vector<vi> vii;
typedef vector<vii> viii;
typedef pair<int,int> P;
template <class T> void chmin(T & a, T const & b) { if (b < a) a = b; }
template <class T> void chmax(T & a, T const & b) { if (b > a) a = b; }
template <typename T>
string to_string(const T &n){ostringstream stm;stm << n;return stm.str();}
inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; }
using ll = long long;
const ll mod = 998244353;
 
int d[112345];
int cnt[112345];
signed main(){
    int n;
    cin>>n;
    rep(i,n){
        cin>>d[i];
    }

    if(d[0]!=0){
        cout<<0<<endl;
        return 0;
    }else{
        for(int i=0;i<n;i++){
            cnt[d[i]]++;
        }

        // //つくれるかどうか
        bool flag=true;
        // for(int i=112345;i>=0;i--){
        //     if(d[i]>0){
        //         if(d[j]==0)flag=false;
                
        //     }
        // }

        

        ll ans=1;
        
        for(int i=1;i<112345;i++){
            //dump(ans);
            ans*=(pow(cnt[i],cnt[i+1]))%mod;
            if(cnt[i]==0&& cnt[i+1]>0){
                flag=false;
            }
        }
        if(!flag){
            cout<<0<<endl;
            return 0;
        }
        cout<<ans%mod<<endl;
    }

    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:40: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'const ll' {aka 'const long long int'} to binary 'operator%'
   55 |             ans*=(pow(cnt[i],cnt[i+1]))%mod;
      |                  ~~~~~~~~~~~~~~~~~~~~~~^~~~
      |                      |                  |
      |                      |                  const ll {aka const long long int}
      |                      __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <map>
#include <utility>
#include <cstddef>
#include <queue>
#include <math.h>
using namespace std;

int main()
{
    int N, depth = 0;
    long long ans = 1LL;
    cin >> N;
    vector<int> D(N);
    cin >> D.at(0);
    if(D.at(0) != 0) {cout << 0 <<endl; return 0;}
    for(int i = 1; i < N; i++)
    {
        cin >> D.at(i);
        if(D.at(i) == 0) {cout << 0 <<endl; return 0;}
        depth = max(depth, D.at(i));
    }    
    vector<int> num(depth);
    for(int i = 0; i < N; i++) num.at(D.at(i))++;
    for(int i = 1; i < depth; i++)
        {for(int j = 0; j < num.at(i - 1); j++) ans *= num.at(i));}   
    cout << ans % 998244353 << endl; 
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:65: error: expected ';' before ')' token
   29 |         {for(int j = 0; j < num.at(i - 1); j++) ans *= num.at(i));}
      |                                                                 ^
      |                                                                 ;
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <map>
#include <utility>
#include <cstddef>
#include <queue>
#include <math.h>
using namespace std;

int main()
{
    int N, sum = 1, depth = 0;
    long long ans = 1;
    cin >> N;
    vector<int> D(N);
    cin >> D.at(0);
    if(D.at(0) != 0) {cout << 0 <<endl; return 0;}
    for(int i = 1; i < N; i++)
    {
        cin >> D.at(i);
        if(D.at(i) == 0) {cout << 0 <<endl; return 0;}
        depth = max(depth, D.at(i));
    }    
    vector<int> num(depth);
    for(int i = 0; i < N; i++) num.at(D.at(i))++;
    for(int i = 1; i < depth; i++)
        for(int j = 0; j < num.at(i - 1); j++) ans *= A.at(i);   
    cout << ans % 998244353 << endl; 
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:55: error: 'A' was not declared in this scope
   29 |         for(int j = 0; j < num.at(i - 1); j++) ans *= A.at(i);
      |                                                       ^
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <map>
#include <utility>
#include <cstddef>
#include <queue>
#include <math.h>
using namespace std;

int main()
{
    int N, sum = 1, depth = 0;
    long long ans = 1;
    cin >> N;
    vector<int> D(N);
    cin >> D.at(0);
    if(D.at(0) != 0) {cout << 0 <<endl; return 0;}
    for(int i = 1; i < N; i++)
    {
        cin >> D.at(i);
        if(D.at(i) == 0) {cout << 0 <<endl; return 0;}
        depth = max(depth, D.at(i));
    }    
    vector<int> num(depth);
    for(int i = 0; i < N; i++) num.at(D.at(i))++;
    for(int i = 1; i < depth; i++)
        for(int j = 0; j < A.at(i - 1); j++) ans *= A.at(i);   
    cout << ans % 998244353 << endl; 
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:28: error: 'A' was not declared in this scope
   29 |         for(int j = 0; j < A.at(i - 1); j++) ans *= A.at(i);
      |                            ^
Language: C++

#include <cstdio>
#include <algorithm>

using namespace std;

#define MOD 998244353

int N;
int occurences[100005];
int maxDist, nPrev;
int ans;

int fastExp(int base, int power)
{
    if (power == 0) return 1;
    int ans = fastExp(base, power / 2);
    ans = ans * ans % MOD
    if (power % 2 == 1) ans *= base;
    return ans % MOD;
}

int main()
{
    scanf("%d", &N);
    maxDist = 0;
    for (int i = 0; i < N; i++)
    {
        int D; scanf("%d", &D);
        if (i == 0 && D != 0)
        {
            printf("0\n");
            return 0;
        }
        maxDist = max(maxDist, D);
        occurences[D]++;
    }
    if (occurences[0] != 1)
    {
        printf("0\n");
        return 0;
    }

    nPrev = 1;
    ans = 1;
    for (int i = 0; i <= maxDist; i++)
    {
        ans *= fastExp(nPrev, occurences[i]);
        ans %= MOD;
        nPrev = occurences[i];
    }
    printf("%d\n", ans);
    return 0;
}


Compiler output:
a.cc: In function 'int fastExp(int, int)':
a.cc:18:5: error: expected ';' before 'if'
   18 |     if (power % 2 == 1) ans *= base;
      |     ^~
Language: C++

#include<bits/stdc++.h>
#define fi first
#define se second
#define lson l,mid,p<<1
#define rson mid+1,r,p<<1|1
#define pb push_back
#define ll long long
using namespace std;
const int inf=1e9;
const int mod=998244353;
const int maxn=1e5+10;
int n;
ll d[maxn];
ll ksm(ll a,ll b){
	ll ret=1;
	while(b){
		if(b&1) ret=ret*a%mod;
		b>>=1;
		a=a*a%mod;
	}
	return ret;
}
int main(){
	ios::sync_with_stdio(false);
	//freopen("in","r",stdin);
	cin>>n;
	cin>>x;
	d[x]++;
	if(x!=0){
		cout<<0<<endl;
		return 0;
	}
	for(int i=2,x;i<=n;i++){
		cin>>x;
		d[x]++;
	}
	ll ret=0;
	ll ans=1;
	ll pr=1;
	if(d[0]>1){
		cout<<0<<endl;
		return 0;
	}
	for(int i=0;i<n;i++){
		if(d[i]==0){
			if(ret!=n) ans=0;
			break;
		}
		ans=ans*ksm(pr,d[i])%mod;
		ret+=d[i];
		pr=d[i];
	}
	cout<<ans<<endl;
	return 0;
}
//1 2 3 1

Compiler output:
a.cc: In function 'int main()':
a.cc:27:14: error: 'x' was not declared in this scope
   27 |         cin>>x;
      |              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<class T>
inline bool chmax(T &a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
inline bool chmin(T &a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
}

const ll INF = 1e17;
// https://atcoder.jp/contests/abc143/submissions/8034843

ll const MOD = 99244353;

// modをとりながらpowする
ll modpow( ll a, ll b)
{
    ll layer=1;
    for (ll i=0; i< b; i++)
    {
        layer *= a;
        layer %= MOD;
    }
    return layer;
}


int main() {
    // input
    ll N;
    cin >> N;
    map<ll,ll> map_D;
    for (ll i=0; i < N; i++)
    {
        ll d;
        cin >> d;
        map_D[d]++;
    }

    // 頂点は一か所でないとダメ
    if (map_D[0] !=1)
    {
        cout << 0 << endl;
        return 0;
    }

    // resolve
    ll n = map_D.size();
    for(ll i =1; i< n; i++)
    {    
        ans *= modpow(map_D[i-1], map_D[i]);
    }
    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:63:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   63 |         ans *= modpow(map_D[i-1], map_D[i]);
      |         ^~~
      |         abs
a.cc:65:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   65 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

import heapq
 
 
class Dijkstra:
 
    def __init__(self, rote_map, start_point, goal_point=None):
        self.rote_map = rote_map
        self.start_point = start_point
        self.goal_point = goal_point
 
    def execute(self):
        num_of_city = len(self.rote_map)
        dist = [10**16 for _ in range(num_of_city)]
        prev = [10**16 for _ in range(num_of_city)]
 		
        dist[self.start_point] = 0
        heap_q = []
        heapq.heappush(heap_q, (0, self.start_point))
        while len(heap_q) != 0:
            prev_cost, src = heapq.heappop(heap_q)
            if dist[src] < prev_cost:
                continue
            if src == self.goal_point:
                return prev_cost
 
            for dest, cost in self.rote_map[src].items():
                if dist[dest] > prev_cost + cost:
                    dist[dest] = prev_cost + cost
                    heapq.heappush(heap_q, (dist[dest], dest))
                    prev[dest] = src
        return -1
 
n,m=map(int, input().split()) 
route_map = [dict() for _ in range(n)]
 
for i in range(m):
    u, v, a = map(int, input().split())
    u, v = u - 1, v - 1
    route_map[u][v] = a
    
for i in range(n-1):
    u, v = i+1, i
    route_map[u][v] = 0
    
 
# ゴールまでの最短経路
print(Dijkstra(route_map,0,n-1).execute())


Compiler output:
a.cc:46:3: error: invalid preprocessing directive #\U000030b4\U000030fc\U000030eb\U0000307e\U00003067\U0000306e\U00006700\U000077ed\U00007d4c\U00008def
   46 | # ゴールまでの最短経路
      |   ^~~~~~~~~~~~~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import heapq
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include<cstdio>
#include<cstring>
#include<vector> 
#include<iostream>
#include<algorithm>
using namespace std;
typedef long long ll;
const ll mod= 998244353; 
ll mypow(ll a,ll n){
	ll  an=1;//a的0次方· 
	ll  b=a;//a的一次方 
	while(n){
		if(n&1)
			an=(an*b)%mod;
		b=(b*b)%mod;//二进制 迭代 
		n/=2;
	}
	return an%mod;
}
int main(){
	//int ans=mypow(2,10);
	//cout<<ans<<endl;
	ll n;
	scanf("%lld",&n);
	vector<ll> items(n+5,0);
	bool sign=false;
	for(int i=0;i<n;i++){
		ll t; 
		scanf("%lld",&t);
		if(i==0&&t!=0) 
			sign=true;
		 
		
		items[t]++;	
	}
	//sort(items.begin(),items.end());
	//for(int i=0;i<items.size();i++)
	//cout<<items[i]<<" ";
	//cout<<endl;
	if(sign){
		printf("0");
	else{
		ll k=1;
		ll ans=0;
		ll temp=1;
		for(ll i=1;i<items.size()&&items[i]!=0;i++){
			//if(items[i]==0) ans=0,break;
			temp=(temp%mod) *(mypow(k,items[i])%mod);
			k=items[i];
		}
		ans=temp;
		printf("%lld",ans);
	}
		
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:9: error: expected '}' before 'else'
   42 |         else{
      |         ^~~~
a.cc:40:17: note: to match this '{'
   40 |         if(sign){
      |                 ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  vector<int> A(N);
  
  for(int i=0;i<N;i++){
    cin>>A.at(i);
  }
  
  if(N==1){
    if(A.at(0)==0){
      cout<<1<<endl;
    }
    else{
      cout<<0<<endl;
    }
  }
  
  sort(A.begin(),A.end());
  int tmp=0;
  for(int i=0;i<N;i++){
    if(tmp!=A.at(i) && (tmp++)==A.at(i)){
      tmp==A.at(i);
    }
    else if((A.at(i)-tmp)>=2){
      cout<<0<<endl;
      return 0;
    }
  }
  
  map<int,int> num;
  int max=A.at(N-1);
  for(int j=0;j<=max;j++){
    int count=0;
    for(int i=0;i<N;i++){
      if(A.at(i)==j){
        count++;
      }
    }
    num[j]=count;
  }
  
  long p=1;
  for(int i=0;i<max;i++){
    p*=pow(num.at(i),num.at(i+1);
    p%=998244353;
  }
  cout<<p<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:33: error: expected ')' before ';' token
   49 |     p*=pow(num.at(i),num.at(i+1);
      |           ~                     ^
      |                                 )
Language: C++

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

int main() {
  int N;
  cin >> N;
  vector<int> A(N);
  
  for(int i=0;i<N;i++){
    cin>>A.at(i);
  }
  
  if(N==1){
    if(A.at(0)==0){
      cout<<1<<endl;
    }
    else{
      cout<<0<<endl;
    }
  }
  
  sort(A.begin(),A.end());
  int tmp=0;
  for(int i=0;i<N;i++){
    if(tmp!=A.at(i) && (tmp++)==A.at(i)){
      tmp==A.at(i);
    }
    else if((A.at(i)-tmp)>=2){
      cout<<0<<endl;
      return 0;
    }
  }
  
  map<int,int> num;
  int max=A.at(N-1);
  for(int j=0;j<=max;j++){
    int count=0;
    for(int i=0;i<N;i++){
      if(A.at(i)==j){
        count++;
      }
    }
    num[j]=count;
  }
  
  long p=1;
  for(int i=0;i<max;i++){
    p*=((pow(num.at(i),num.at(i+1))%998244353);
  }
  cout<<p<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:36: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'int' to binary 'operator%'
   49 |     p*=((pow(num.at(i),num.at(i+1))%998244353);
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
      |             |                       |
      |             |                       int
      |             __gnu_cxx::__promote<double>::__type {aka double}
a.cc:49:47: error: expected ')' before ';' token
   49 |     p*=((pow(num.at(i),num.at(i+1))%998244353);
      |        ~                                      ^
      |                                               )