criyle/codenet-compile-errors huggingface dataset:
Language: Java

import java.util.*;
import java.lang.*;
import java.io.*;

public class E {
	public static void main (String[] args) throws java.lang.Exception {
		new Solution();
	}
}
class Solution {
	Reader reader;
	PrintWriter out;
	public Solution() {
		reader = new Reader();
		out = new PrintWriter(System.out);
		while (reader.hasNext()) {
			run_case();
		}
		out.flush();
	}

	private void run_case() {
		return;
	}
}


class Reader {
	BufferedReader br;
	StringTokenizer st;
	public Reader(){
		try {
			br = new BufferedReader(new InputStreamReader(System.in));
			st = new StringTokenizer(br.readLine());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	public String next() {
		if (st.hasMoreTokens()) return st.nextToken();
		try {
			st = new StringTokenizer(br.readLine());
		} catch (Exception e) {
			e.printStackTrace();
		}
		return st.nextToken();
	}
	public boolean hasNext() {
		try {
			if (!st.hasMoreTokens() && !br.ready()) return false;
			else return true;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return false;
	}
	public int ni() {return Integer.parseInt(this.next());}
	public long nl() {return Long.parseLong(this.next());}
	public String ns() {return this.next();}
}


Compiler output:
Main.java:5: error: class E is public, should be declared in a file named E.java
public class E {
       ^
1 error
Language: C++

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <utility>
#include <cmath>
#include <string>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <deque>

using namespace std;

using ll = long long;
using P = pair<int, int>;

#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define mkp(a, b) make_pair(a, b)
const int inf = 1e+9;

const ll mod = 998244353;



int main() {
	ll n, m, k;
	cin >> n >> m >> k;

	ll cn_1[k + 1];
	ll cur = 1;
	for(ll i = 0; i <= k; i++) {
		cn_1[i] = cur;
		cur = cur * (n - 1 - i) / (i + 1);
		cur = cur % mod;
	}
	ll ans = 0;

	ll ms1[n + 1];
	cur = 1;
	for(ll i = 0; i <= n; i++) {
		ms1[i] = cur;
		cur = (cur * (m - 1)) % mod;
	}

	rep(i , k + 1) {
		ms1[n - i - 1] << endl; 
		ll a = (((cn_1[i] * m) % mod) *  ms1[n - i - 1]) % mod;
		ans = (ans + a) % mod;
	}
	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:48:32: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator<<'
   48 |                 ms1[n - i - 1] << endl;
      |                 ~~~~~~~~~~~~~~~^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define INF 10000000000000000
#define mod 998244353

long long modpow(long long a,long long n){//繰り返し二乗法
    long long mod=1000000007;
    if(n==1) return a%mod;
    if(n%2==1) return (a*modpow(a,n-1))%mod;
    long long t=modpow(a,n/2);
    return (t*t)%mod;
}

long long combi(long long n,long long r){//繰り返し二乗法を用いてcombination計算
    long long ans,i,under=1,up=1,mod=1000000007;
    for(i=1;i<=r;i++){
        under=under*i;
        under=under%mod;
    }
    under=modpow(under,mod-2);//フェルマーの小定理
    
    for(i=1;i<=r;i++){
        up=up*(n-i+1);
        up=up%mod;
    }
    ans=up*(under%mod);
    return ans%mod;
}
 


int main(){
    ll n,m,k,i;//m:色の種類 k:同色で隣接可能な数
    cin>>n>>m>>k;

    ll ans=0;
    for(i=0;i<=k;i++){
        ans+=((combi(n-1,i)*m)%mod)*modpow(m-1,n-1-i)%mod;
        ans%=mod;
    }
    //combi(n-1,i):分け方
    //m*modpow(m-1,n):色の割り当て方

    cout<<ans<<endl;

    return 0;
}

Compiler output:
a.cc: In function 'long long int modpow(long long int, long long int)':
a.cc:5:13: error: expected unqualified-id before numeric constant
    5 | #define mod 998244353
      |             ^~~~~~~~~
a.cc:8:15: note: in expansion of macro 'mod'
    8 |     long long mod=1000000007;
      |               ^~~
a.cc: In function 'long long int combi(long long int, long long int)':
a.cc:5:13: error: expected unqualified-id before numeric constant
    5 | #define mod 998244353
      |             ^~~~~~~~~
a.cc:16:34: note: in expansion of macro 'mod'
   16 |     long long ans,i,under=1,up=1,mod=1000000007;
      |                                  ^~~
Language: C++

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

// auto mod int
// https://youtu.be/L8grWxBlIZ4?t=9858
// https://youtu.be/ERZuLAxZffQ?t=4807 : optimize
// https://youtu.be/8uowVvQ_-Mo?t=1329 : division
//const int mod = 1000000007;
const int mod = 998244353;
struct mint {
  ll x; // typedef long long ll;
  mint(ll x=0):x((x%mod+mod)%mod){}
  mint operator-() const { return mint(-x);}
  mint& operator+=(const mint a) {
    if ((x += a.x) >= mod) x -= mod;
    return *this;
  }
  mint& operator-=(const mint a) {
    if ((x += mod-a.x) >= mod) x -= mod;
    return *this;
  }
  mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;}
  mint operator+(const mint a) const { return mint(*this) += a;}
  mint operator-(const mint a) const { return mint(*this) -= a;}
  mint operator*(const mint a) const { return mint(*this) *= a;}
  mint pow(ll t) const {
    if (!t) return 1;
    mint a = pow(t>>1);
    a *= a;
    if (t&1) a *= *this;
    return a;
  }

  // for prime mod
  mint inv() const { return pow(mod-2);}
  mint& operator/=(const mint a) { return *this *= a.inv();}
  mint operator/(const mint a) const { return mint(*this) /= a;}
};
istream& operator>>(istream& is, const mint& a) { return is >> a.x;}
ostream& operator<<(ostream& os, const mint& a) { return os << a.x;}

[mint]
// combination mod prime
// https://www.youtube.com/watch?v=8uowVvQ_-Mo&feature=youtu.be&t=1619
struct combination {
  vector<mint> fact, ifact;
  combination(int n):fact(n+1),ifact(n+1) {
    assert(n < mod);
    fact[0] = 1;
    for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i;
    ifact[n] = fact[n].inv();
    for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i;
  }
  mint operator()(int n, int k) {
    if (k < 0 || k > n) return 0;
    return fact[n]*ifact[k]*ifact[n-k];
  }
} c(200005);

int main(){
    int n, m, k;
    cin >> n >> m >> k;

    mint ans = 0;
    mint col = m;
    for(int x = n-1; x >= 0; --x){
        mint now = col;
        now *= c(n-1,x);
        if(x <= k) ans += now;
        col *= m-1;
    }
    cout << ans << endl;
}

Compiler output:
a.cc:43:1: error: expected unqualified-id before '[' token
   43 | [mint]
      | ^
a.cc:59:4: error: expected constructor, destructor, or type conversion before '(' token
   59 | } c(200005);
      |    ^
a.cc: In function 'int main()':
a.cc:69:16: error: 'c' was not declared in this scope
   69 |         now *= c(n-1,x);
      |                ^
Language: C++

#include<bits/stdc++.h>

using namespace std;

#define LL long long int

LL big_mod(LL val,LL pow,LL mod)
{
    LL res = 1;
    val = val % mod;
    while(pow > 0)
    {
        if(pow & 1)
        {
            res = (res*val) % mod;
        }
        pow = pow >> 1;
        val = (val*val) % mod;
    }
    return res;
}

LL fact[200005],mod=998244353;

LL Fun(LL n,LL x)
{
    return (fact[n]*big_mod((fact[x]*fact[n-x])%mod,mod-2,mod))%mod;
}


int main()
{
    FAST();
    LL i,k,m,n,ans=0;
    cin >> n >> m >> k;
    fact[0]=fact[1]=1;
    for(i=2;i<=n;i++)fact[i]=(fact[i-1]*i)%mod;
    for(i=0;i<=k;i++)ans=(ans+m*big_mod(m-1,n-i-1,mod)%mod*Fun(n-1,i)%mod)%mod;
    cout << ans;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:5: error: 'FAST' was not declared in this scope
   33 |     FAST();
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,x,y) for(int i=x;i<y;i++)
#define print(A,x,n) rep(I,0,n){cout<<(I ? " ":"")<<A[I]x;}cout<<endl;
#define pprint(A,y,m,n) rep(J,0,m){print(A[J],y,n);}
const long mod=998244353;
const int size=3e5;
const int inf=1e9;
long fact[size];
void calc(int n){
	fact[0] = 1;
	rep(i,1,n){
		fact[i] = (fact[i-1] * i) % mod;
	}
	return;
}
long modcomb(long n,long r){//nCr mod p
	if(n < r) return 0;
	long x = (fact[n-r] * fact[r]) % mod;
	long res = 1; int i = 0;
	while( (mod-2) >= (1<<i) ){
		if( (mod-2) & (1<<i) ) (res *= x) %= mod;
		i++; x = x * x % mod;
	}
    return (res * fact[n]) % mod;
}
int main(){
	long N,M,K; cin>>N>>M>>K;
    if(M == 1){
        if(N == K - 1) cout<<1<<endl;
        else cout<<0<<endl;
        return 0;
    }
    calc(300000);
	long t = M;
    for(long i = 0; i < N-K-1; i++) (t *= M-1) %= mod;
    long ans = 0;
	for(long i = K; i >= 0; i--){
		(ans += (t * modcomb(N - 1, i)) % mod) %= mod;
        (t *= M-1) %= mod;
	}cout<<ans<<endl;
}

Compiler output:
a.cc:9:11: error: reference to 'size' is ambiguous
    9 | long fact[size];
      |           ^~~~
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  272 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:262:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  262 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
a.cc:7:11: note:                 'const int size'
    7 | const int size=3e5;
      |           ^~~~
a.cc: In function 'void calc(int)':
a.cc:11:9: error: 'fact' was not declared in this scope
   11 |         fact[0] = 1;
      |         ^~~~
a.cc: In function 'long int modcomb(long int, long int)':
a.cc:19:19: error: 'fact' was not declared in this scope
   19 |         long x = (fact[n-r] * fact[r]) % mod;
      |                   ^~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<n; i++)
#define PI 3.14159265359
#define INF 1000100100
#define MOD 998244353
#define all(x) (x).begin(),(x).end()
typedef long long ll;
#define P pair<ll, ll>
using namespace std;

// auto mod int
// https://youtu.be/L8grWxBlIZ4?t=9858
// https://youtu.be/ERZuLAxZffQ?t=4807 : optimize
// https://youtu.be/8uowVvQ_-Mo?t=1329 : division

const int mod = 998244353;
struct mint {
  ll x; // typedef long long ll;
  mint(ll x=0):x((x%mod+mod)%mod){}
  mint& operator+=(const mint a) {
    if ((x += a.x) >= mod) x -= mod;
    return *this;
  }
  mint& operator-=(const mint a) {
    if ((x += mod-a.x) >= mod) x -= mod;
    return *this;
  }
  mint& operator*=(const mint a) {
    (x *= a.x) %= mod;
    return *this;
  }
  mint operator+(const mint a) const {
    mint res(*this);
    return res+=a;
  }
  mint operator-(const mint a) const {
    mint res(*this);
    return res-=a;
  }
  mint operator*(const mint a) const {
    mint res(*this);
    return res*=a;
  }
  mint pow(ll t) const {
    if (!t) return 1;
    mint a = pow(t>>1);
    a *= a;
    if (t&1) a *= *this;
    return a;
  }

  // for prime mod
  mint inv() const {
    return pow(mod-2);
  }
  mint& operator/=(const mint a) {
    return (*this) *= a.inv();
  }
  mint operator/(const mint a) const {
    mint res(*this);
    return res/=a;
  }
};
// 出力は.xで！！！！

struct combination {
  vector<mint> fact, ifact;
  combination(int n):fact(n+1),ifact(n+1) {
    assert(n < mod);
    fact[0] = 1;
    for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i;
    ifact[n] = fact[n].inv();
    for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i;
  }
  mint operator()(int n, int k) {
    if (k < 0 || k > n) return 0;
    return fact[n]*ifact[k]*ifact[n-k];
  }
};


int main(){
  int n,m,k; cin >> n >> m >> k;
  mint fun=m;
  rep(i,n){
    fun*=m-1;
  }
    mint tmp=0;
    int now=0;
    combination c(n+1);
  if(m==1 && k==n-1){
    cout << 1 << endl;
    return 0;
  }
  else if(m==1){
    cout << 0 << endl;
    return 0;
  }  

    while(k>=now){
        tmp+=c(n-1,now)*(fun/(m-1));
        now++;
        fun/=m-1;
      }
    }
    cout << tmp.x << endl;
return 0;
}


Compiler output:
a.cc:106:5: error: 'cout' does not name a type
  106 |     cout << tmp.x << endl;
      |     ^~~~
a.cc:107:1: error: expected unqualified-id before 'return'
  107 | return 0;
      | ^~~~~~
a.cc:108:1: error: expected declaration before '}' token
  108 | }
      | ^
Language: Java


import java.util.Scanner;

public class Main {

    static int mod = 998244353;

    static int max = 4 * 100000 + 2;

    static long[] fact = new long[max];
    static long[] modinv = new long[max];
    static long[] factinv = new long[max];

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = Integer.parseInt(scan.next());
        int m = Integer.parseInt(scan.next());
        int k = Integer.parseInt(scan.next());
        scan.close();

        initCombi();

        long ans = 0;
        for (int i = 0; i <= k; i++) {
            ans += (m * combi(n - 1, i) % mod) * modPow(m - 1, n - 1 - i) % mod;
        ans %= mod
        }

        System.out.println(ans);
    }

    private static void initCombi() {
        fact[0] = 1;
        fact[1] = 1;
        modinv[1] = 1;
        factinv[0] = 1;
        factinv[1] = 1;

        for (int i = 2; i < max; i++) {
            fact[i] = fact[i - 1] * i % mod;
            modinv[i] = mod - modinv[mod % i] * (mod / i) % mod;
            factinv[i] = factinv[i - 1] * modinv[i] % mod;
        }
    }

    private static long combi(int n, int k) {
        return fact[n] * (factinv[k] * factinv[n - k] % mod) % mod;
    }

    private static long modPow(long a, long b) {
        if (b == 0) {
            return 1;
        }

        if (b % 2 == 0) {
            return modPow(a * a % mod, b / 2);
        } else {
            return modPow(a * a % mod, (b - 1) / 2) * a % mod;
        }
    }
}


Compiler output:
Main.java:26: error: ';' expected
        ans %= mod
                  ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#define in freopen("in.txt","r",stdin)
//#define out freopen("out.txt","w",stdout) 
ll n,m,k,t,l,r;
ll c,d;

const ll mod=998244353;
ll njie[200005];

ll qupow(ll a,ll b)
{
	if(b==0) return 1;
	ll c=qupow(a,b/2);
	if(b%2==1) return c*c%mod*a%mod;
	else return c*c%mod;
}

ll cnm(ll n,ll m)
{
	ll ans=njie[n]%mod;
	ll b=njie[n-m]*njie[m]%mod;
	return ans*qupow(b,mod-2)%mod;
}

int main(void)
{
	ll i,j;
	jie[0]=1;
	for(i=1;i<=n;i++) njie[i]=njie[i-1]*i%mod;
	scanf("%lld%lld",&n,&m,&k);
	sum=0;
	for(i=1;i<=k;i++)
	{
		sum+=cnm(n-1-i,n-1)*m*(m-1);
	}
	printf("%lld",sum);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:9: error: 'jie' was not declared in this scope; did you mean 'njie'?
   30 |         jie[0]=1;
      |         ^~~
      |         njie
a.cc:33:9: error: 'sum' was not declared in this scope
   33 |         sum=0;
      |         ^~~
Language: C++

#include<iostream>
#include<algorithm>
#include<vector>
#include<cmath>
#include<utility>
#include<cstdio>
#include<set>
#include<string>
#include<map>
#include<queue>
#include<stack>
#include <bitset>
using namespace std;
const int mod=1e9+7;
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<n;i++)
#define rep2(i,x,n) for (int i= x;i<n;i++)
#define all(v) v.begin(), v.end()
#define nepe(v) next_permutation(all(v))
#define F first 
#define S second
#define PB push_back 
#define MP make_pair
using ll = long long;
using vi = vector<int>; 
using vvi = vector<vi>;
using vl=vector<long long>;
using vvl = vector<vl>;
using vp =vector<pair<int,int>>;

typedef pair<int,int> P;
string s;
int k;
ll INF = 1000000000000;

int main(){
    int N,M,K;
    cin >>N>>M>>K;
    int MOD=998244353;
    vvl dp(N+1,vl(K,0);
    dp[1][0]=0;
    rep2(i,2,N+1){
        rep(j,K+1){
            if(j==0) dp[i][j]=dp[i-1][0]*(M-1)%MOD;
            else {
                dp[i][j]=dp[i-1][j-1];
                dp[i][j]=dp[i-1][j]*(M-1)%MOD;
            }
        }
    }
    ll ans =0;
    rep(j,K+1){
        ans +=dp[N][j];
        ans %=MOD;
        
    }
    rep1(i,M+1){
        ans =ans *i%MOD;
    }
    cout <<ans <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:23: error: expected ')' before ';' token
   40 |     vvl dp(N+1,vl(K,0);
      |           ~           ^
      |                       )
Language: C++

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

lint ptn(lint N, lint M, lint K){
  if(N==1) return M;
  if(K==0){
    lint ans = M;
    for(lint i=0; i<N-1; i++){
      ans *= M-1;
      ans = ans % 998244353;
    }
    return ans;
  }
    
  lint ans = ptn(N-1,M,K) * (M-1) + ptn(N-1,M,K-1) * M;
  ans = ans / 998244353;
  return ans;
}
    

 


int main(){

  lint N,M,K;
  cin >> N >> M >> K;
  
  lint cnt = 0;
  
  for(int i=0; i<=K; i++){
    cnt += ptn(N,M,i);
    
 cnt = cnt %　998244353;
  }
  cout << cnt << endl;
}
 

Compiler output:
a.cc:35:13: error: extended character 　 is not valid in an identifier
   35 |  cnt = cnt %　998244353;
      |             ^
a.cc: In function 'int main()':
a.cc:35:13: error: '\U00003000998244353' was not declared in this scope
   35 |  cnt = cnt %　998244353;
      |             ^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
#define int long long
#define fill(x, v) memset(x, v, sizeof(x))
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
#define ios std::ios::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL);
template <typename Arg1>
void __f(const char *name, Arg1 &&arg1)
{
    cerr << name << " : " << arg1 << endl;
}
template <typename Arg1, typename... Args>
void __f(const char *names, Arg1 &&arg1, Args &&... args)
{
    const char *comma = strchr(names + 1, ',');
    cerr.write(names, comma - names) << " : " << arg1 << " | ";
    __f(comma + 1, args...);
}
/*
std::cout << std::setprecision(9) << f << '\n';//3.141590000;
map<char,int>::reverse_iterator rit;
for(rit = mp.rbegin(); rit!=mp.rend(); rit++)
*/
int power(int x, unsigned int y, int p)
{
    int res = 1;

    x = x % p;

    while (y > 0)
    {
        if (y & 1)
            res = (res * x) % p;

        y = y >> 1;
        x = (x * x) % p;
    }
    return res;
}
int n;
int p = 998244353;
int32_t main()
{
    ios;
    int n, m, k;
    cin >> n >> m >> k;
    cout << ((power(m, n, 998244353) - ((n - k + 1) * m * (power(2, n - k) - 1) % 998244353)) + 998244353) % 998244353 << endl;
}


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:49:65: error: too few arguments to function 'long long int power(long long int, long long unsigned int, long long int)'
   49 |     cout << ((power(m, n, 998244353) - ((n - k + 1) * m * (power(2, n - k) - 1) % 998244353)) + 998244353) % 998244353 << endl;
      |                                                            ~~~~~^~~~~~~~~~
a.cc:26:5: note: declared here
   26 | int power(int x, unsigned int y, int p)
      |     ^~~~~
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<map>
#include<utility>
#include<algorithm>
#include<queue>
#include<cmath>
#include<iomanip>
#define REP(i, n) for(ll i = 0; i < n; i++)
#define REPR(i, n) for(ll i = n - 1; i >= 0; i--)
#define FOR(i, m, n) for(ll i = m; i <= n; i++)
#define FORR(i, m, n) for(ll i = m; i >= n; i--)
#define SORT(v, n) sort(v, v+n)
#define MAX 100000
#define inf 1000000007
using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vector<ll>>;
using P = pair<ll, ll>;

int main() {
    //cin高速化
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll n, m, k, ans;
    cin >> n >> m >> k;
    ans = m;
    vll dp(n+1, 0);//ダメな色の列
    FOR(1, 2, n){
        dp[i] = m - dp[i-1];
        ans *= dp[i];
    }

    cout << ans / 998244353 <<"\n";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:9: error: expected unqualified-id before numeric constant
   31 |     FOR(1, 2, n){
      |         ^
a.cc:12:29: note: in definition of macro 'FOR'
   12 | #define FOR(i, m, n) for(ll i = m; i <= n; i++)
      |                             ^
a.cc:31:9: error: expected ';' before numeric constant
   31 |     FOR(1, 2, n){
      |         ^
a.cc:12:29: note: in definition of macro 'FOR'
   12 | #define FOR(i, m, n) for(ll i = m; i <= n; i++)
      |                             ^
a.cc:31:9: error: lvalue required as left operand of assignment
   31 |     FOR(1, 2, n){
      |         ^
a.cc:12:29: note: in definition of macro 'FOR'
   12 | #define FOR(i, m, n) for(ll i = m; i <= n; i++)
      |                             ^
a.cc:12:42: error: expected ')' before ';' token
   12 | #define FOR(i, m, n) for(ll i = m; i <= n; i++)
      |                         ~                ^
a.cc:31:5: note: in expansion of macro 'FOR'
   31 |     FOR(1, 2, n){
      |     ^~~
a.cc:31:9: error: lvalue required as increment operand
   31 |     FOR(1, 2, n){
      |         ^
a.cc:12:44: note: in definition of macro 'FOR'
   12 | #define FOR(i, m, n) for(ll i = m; i <= n; i++)
      |                                            ^
Language: C++

n, m, k = map(int, input().split())

MOD = 998244353

class modint:
    def __init__(self, x):
        self.x = x.x if isinstance(x, modint) else x % MOD
    def __str__(self): return str(self.x)
    __repr__ = __str__
    def __int__(self): return self.x
    __index__ = __int__
    def __add__(self, other): return modint(self.x + modint(other).x)
    def __sub__(self, other): return modint(self.x - modint(other).x)
    def __mul__(self, other): return modint(self.x * modint(other).x)
    def __pow__(self, other): return modint(pow(self.x, modint(other).x, MOD))
    def __floordiv__(self, other): return modint(self.x * pow(modint(other).x, MOD - 2, MOD))
    def __eq__(self, other): return self.x == modint(other).x
    def __ne__(self, other): return self.x != modint(other).x
    def __inv__(self): return pow(self.x, MOD - 2, MOD)



C = [modint(1), modint(n - 1)]
# C = [1, n - 1]
for i in range(2, k + 1):
    C.append(C[-1] * (n - (2 * i - 1)) * (n - (2 * i - 2)) // i // (n - i + 1))

# print(C)

ans = modint(0)
for i in range(k + 1):
    ans += modint(m) * pow(m - 1, n - 1 - i, MOD) * (max(int(C[i]), 1))

print(ans)


Compiler output:
a.cc:24:3: error: invalid preprocessing directive #C
   24 | # C = [1, n - 1]
      |   ^
a.cc:28:3: error: invalid preprocessing directive #print
   28 | # print(C)
      |   ^~~~~
a.cc:1:1: error: 'n' does not name a type
    1 | n, m, k = map(int, input().split())
      | ^
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <queue>
#include <climits>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pii;

#define INF INT_MAX/3
#define REP(i,n) for(int i=0;i<n;i++)

constexpr ll mod_num = 998244353;

ll dp1[200001][200001] = {0};
ll dp2[200001][200001] = {0};

ll repeatSquare(ll a,ll n){
	ll answer = 1;

	while(n > 0){
		if(n & 1){	//nが奇数なら先に答えの方にa^1をかけておく事で残りのa^n-1を2分割できるようにしている
			answer = answer * a % mod_num;
		}
		a = a * a % mod_num;
		n = n>>1;	//nを2で割ると同じ
	}
	return answer;
}

ll junretu(ll num,ll p){
	if(dp1[num][p] != 0)return dp1[num][p];
	if(num < p) return 0;
	ll ans = 1;
	REP(i,p){
		ans *= (num - i);
		ans = ans % mod_num;
	}
	return dp1[num][p] = ans;
}

ll conv(ll num,ll p){
	if(dp2[num][p] != 0)return dp2[num][p];
	if(num < p) return 0;
	ll ans = 1;
	for(ll i = 0; i < p; i++){
		ans = ans * (num-i) % mod_num;
		ans = ans * (repeatSquare(i+1,mod_num-2) % mod_num) % mod_num;
	}
	return dp2[num][p] = ans;
}

int main(){
	ll N,M,K;
	cin>>N>>M>>K;
	cout<<junretu(2,1)<<endl;	
	cout<<conv(4,2)<<endl;
	ll ans = 0;
	for(ll i = 0; i <=K; i++){
		ans += (M * repeatSquare(M-1,N-i-1) % mod_num) * conv(N-i,i) % mod_num;
	}
	cout<<ans<<endl;
	return 0;
}



Compiler output:
/tmp/ccPtfBzE.o: in function `conv(long long, long long)':
a.cc:(.text+0x221): relocation truncated to fit: R_X86_64_PC32 against symbol `dp2' defined in .bss section in /tmp/ccPtfBzE.o
a.cc:(.text+0x24b): relocation truncated to fit: R_X86_64_PC32 against symbol `dp2' defined in .bss section in /tmp/ccPtfBzE.o
a.cc:(.text+0x383): relocation truncated to fit: R_X86_64_PC32 against symbol `dp2' defined in .bss section in /tmp/ccPtfBzE.o
a.cc:(.text+0x3ac): relocation truncated to fit: R_X86_64_PC32 against symbol `dp2' defined in .bss section in /tmp/ccPtfBzE.o
collect2: error: ld returned 1 exit status
Language: C++


#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
using ll = long long;
const long long INF = 1LL << 60;


template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

ll modpow(ll a, ll n, ll mod) {
    ll rtn = 1;
    while (n > 0) {
        if (n & 1) rtn = rtn * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return rtn;
}

ll cmb_mod(ll n,ll r,ll mod,ll M){
    ll x = 1;
    ll y = 1;
    if(n/2<r){
        r=n-r;
    }

    rep(i,r){
        x*=(n-i);
        if(x>mod){
            x %= mod;
        }
        y*=(r-i)*(M-1);
        if(y>mod){
            y%=mod;
        }
    }
    ll val=x*modpow(y,mod-2,mod)%mod;
    return val;
}


int main() {
    
    ll N,M,K;
    cin >> N >> M >> K;
ll MOD = 998244353;
    ll ans = M*modpow(M-1,N-1,MOD);
    ll summation = 0;

    

    rep(i,K+1){
        summation += *cmb_mod(N-1,i,MOD,M);
        summation %= MOD;
    }


    cout << (ans*summation%MOD) << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:56:22: error: invalid type argument of unary '*' (have 'll' {aka 'long long int'})
   56 |         summation += *cmb_mod(N-1,i,MOD,M);
      |                      ^~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <numeric>
#include <iostream>
#include <array>
#include <string>
#include <vector>
#include <cassert>
#include <algorithm>
#include <math.h> 
#include <set>
#include <map>
#include <utility>
#include <deque>
#include <queue>


using namespace std;

#define ll long long int
#define rep(i, n) for(ll i = 0; i < n; i++)
#define repp(i, n) for(int i = 1; i <= n; i++)
#define sort(v) sort((v).begin(), (v).end())
#define riverse(v) reverse((v).begin(), (v).end())
#define pb push_back
#define mp make_pair
#define all(a)  (a).begin(),(a).end()
using vi = vector<int>;
using vs = vector<string>;
using vll = vector<ll>;
using vvi = vector<vi>;
using vvvi = vector<vi>;
const ll MOD = 998244353;
vi alphabet = { 'a','b','c','d','e','f','g','h','i','j','k','l','m',
               'n','o','p','q','r','s','t','u','v','w','x','y','z' };


long long getMathC(long long n, long long k) {
	if (n == k || k == 0)
		return 1;
	else {
		return combi(n - 1, k - 1) + combi(n - 1, k);
	}
}

int main() {
    int N, M, K;
    cin >> N >> M >> K;
	int e=1;
	if (N % 2 == 1) e = 2;
	ll ans = 1;
	rep(i, N) {
		ans *= M;
		ans %= MOD;
	}
	int a, b;
	a = 0;
	b = 0;
	if (N / 2 >= K + 1) {
		a = getMathC(N / 2, K + 1)%MOD;
		a *= e;
		a %= MOD;
		rep(i, N - 2 * (K + 1)) {
			a *= M;
			a %= MOD;
		}
	}
	if (N - 1 >= K + 1) {
		b = getMathC(N - 1, K + 1);
		b %= MOD;
	}
	ans -= a;
	ans -= b;
	ans %= MOD;
	if (ans < 0) ans += MOD;
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'long long int getMathC(long long int, long long int)':
a.cc:40:24: error: 'combi' was not declared in this scope
   40 |                 return combi(n - 1, k - 1) + combi(n - 1, k);
      |                        ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define SPEED ios::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define fileio freopen("in.in", "r", stdin),freopen("out.out", "w", stdout);
#define ll long long int
#define FF first
#define SS second
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define pll pair<long long int,long long int>
#define sd(x) scanf("%d",&x)
#define slld(x) scanf("%lld",&x)
#define pd(x) printf("%d\n",x)
#define plld(x) printf("%lld\n",x)
#define pss printf
#define MOD 1000000007
#define INF 1e18
#define eps 0.00001
#define endl '\n'
#define debug(n1) cout<<n1<<endl
const int N = 1e5;  // limit for array size
ll n;  // array size

ll gcdExtended(ll a, ll b, ll *x, ll *y); 
// Function to find modulo inverse of a 
ll inv(ll a) 
{ 
    ll x, y,m; 
    m=998244353;
    ll g = gcdExtended(a, m, &x, &y); 
    
        ll res = (x%m + m) % m; 
        return res;
     
} 
  
// C function for extended Euclidean Algorithm 
ll gcdExtended(ll a, ll b, ll *x, ll *y) 
{ 
    if (a == 0) 
    { 
        *x = 0, *y = 1; 
        return b; 
    } 
  
    ll x1, y1; // To store results of recursive call 
    ll gcd = gcdExtended(b%a, a, &x1, &y1); 
  
    // Update x and y using results of recursive 
    // call 
    *x = y1 - (b/a) * x1; 
    *y = x1; 
  
    return gcd; 
}

ll power(ll x, ll y )  
{  
    ll res = 1;     // Initialize result  
    ll p=998244353;
    x = x % p; // Update x if it is more than or  
                // equal to p 
   
    if (x == 0) return 0; // In case x is divisible by p; 
    while (y > 0)  
    {  
        // If y is odd, multiply x with result  
        if (y & 1)  
            res = (res*x) % p;  
        // y must be even now  
        y = y>>1; // y = y/2  
        x = (x*x) % p;  
    }  
    return res;  
}

ll fac[3*100000];

int main(){
    ll n,m,k;cin>>n>>m>>k;
	
	if(k==n-1){
		cout<<power(m,n)<<endl;return 0;
	}
	
	if(k==0){
		cout<<(m*pow(m-1,n-1))%998244353<<endl;
	}
	
	fac[0]=1;fac[1]=1;
	
	for(int i=2;i<=n;i++){
		fac[i]=i*fac[i-1];
		fac[i]%=998244353;
	}
	
	ll ans=0,temp=1;
	
	for(int i=0;i<=k;i++){
		temp=1;
		temp*=fac[n-1];
		temp*=inv(fac[i]);
		temp%=998244353;
		temp*=inv(fac[n-1-i]);
		temp%=998244353;
		temp*=m;
		temp%=998244353;
		temp*=pow(m-1,n-1-i);
		temp%=998244353;
		ans+=temp;
		ans%=998244353;
	}
	
	cout<<ans<<endl;	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:88:39: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'int' to binary 'operator%'
   88 |                 cout<<(m*pow(m-1,n-1))%998244353<<endl;
      |                       ~~~~~~~~~~~~~~~~^~~~~~~~~~
      |                         |              |
      |                         |              int
      |                         __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define PB push_back  
#define MP(A, B) make_pair(A, B)  
#define fi first  
#define se second  

#define gcd(a,b) __gcd(a,b)
#define pi acos(-1.0)
#define pii pair<int,int>
#define ll long long  
#define MAX 1000005  
#define MOD 998244353  
#define INF 0x3f3f3f3f  
#define EXP 1e-8  
#define lowbit(x) (x&-x)  
ll qpow(ll p,ll q){ll f=1;while(q){if(q&1)f=f*p;p=p*p;q>>=1;}return f;}

struct hash_pair { 
    template <class T1, class T2> 
    size_t operator()(const pair<T1, T2>& p) const
    { 
        auto hash1 = hash<T1>{}(p.first); 
        auto hash2 = hash<T2>{}(p.second); 
        return hash1 ^ hash2; 
    } 
}; 


long long ans = LONG_MAX;
long long n,m, k; 
unsigned int dp[200005][200005] = {0};
int fact[200005] = {0};
int  dfs(int i, int j) {
    if (i == 1) return dp[i][j] = m;
    if (j == 0) return dp[i][j] = fact[m] / fact[m-i];
    if (j > i-1) return dp[i][j] = 0;
    if (dp[i][j] != 0) return dp[i][j];
    dp[i][j] = (dfs(i-1, j-1) + (m-1) * dfs(i-1,j) % MOD) % MOD;
    return dp[i][j];
}

int main() {
    cin >> n >> m >> k;
    // memset(dp, -1, sizeof(dp));
    fact[0] = 1;
    for (int i = 1; i < 200005; ++i) {
        long long tmp = (long long)i * (long long)fact[i-1];
        fact[i] = tmp % MOD;
    }
    dfs(n, k);
    long long ans = 0;
    for (int i = 0; i <= k; ++i) {
        ans = (ans + dp[n][i]) % MOD;
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
/tmp/ccOl8VLz.o: in function `dfs(int, int)':
a.cc:(.text+0xdb): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/ccOl8VLz.o
a.cc:(.text+0xf9): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/ccOl8VLz.o
/tmp/ccOl8VLz.o: in function `main':
a.cc:(.text+0x330): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/ccOl8VLz.o
a.cc:(.text+0x35a): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/ccOl8VLz.o
a.cc:(.text+0x3af): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/ccOl8VLz.o
collect2: error: ld returned 1 exit status
Language: C++


#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
using ll = long long;
const long long INF = 1LL << 60;


template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

ll modpow(ll a, ll n, ll mod) {
    ll rtn = 1;
    while (n > 0) {
        if (n & 1) rtn = rtn * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return rtn;
}

ll cmb_mod(ll n,ll r,ll mod,ll M){
    ll x = 1;
    ll y = 1;
    if(n/2<r){
        r=n-r;
    }

    rep(i,r){
        x*=(n-i);
        if(x>mod){
            x %= mod;
        }
        y*=(r-i)*(M-1);
        if(y>mod){
            y%=mod;
        }
    }
    ll val=x*modpow(y,mod-2,mod)%mod;
    return val;
}


int main() {
    
    ll N,M,K;
    cin >> N >> M >> K;

    ll ans = M*modpow(M-1,N-1,MOD);
    ll summation = 0;

    ll MOD = 998244353;

    rep(i,K+1){
        summation += *cmb_mod(N-1,i,MOD,M);
        summation %= MOD;
    }


    cout << (ans*summation%MOD) << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:50:31: error: 'MOD' was not declared in this scope
   50 |     ll ans = M*modpow(M-1,N-1,MOD);
      |                               ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define PB push_back  
#define MP(A, B) make_pair(A, B)  
#define fi first  
#define se second  

#define gcd(a,b) __gcd(a,b)
#define pi acos(-1.0)
#define pii pair<int,int>
#define ll long long  
#define MAX 1000005  
#define MOD 998244353  
#define INF 0x3f3f3f3f  
#define EXP 1e-8  
#define lowbit(x) (x&-x)  
ll qpow(ll p,ll q){ll f=1;while(q){if(q&1)f=f*p;p=p*p;q>>=1;}return f;}

struct hash_pair { 
    template <class T1, class T2> 
    size_t operator()(const pair<T1, T2>& p) const
    { 
        auto hash1 = hash<T1>{}(p.first); 
        auto hash2 = hash<T2>{}(p.second); 
        return hash1 ^ hash2; 
    } 
}; 


long long ans = LONG_MAX;
long long n,m, k; 
int dp[200005][200005] = {0};
int fact[200005] = {0};
int  dfs(int i, int j) {
    if (i == 1) return dp[i][j] = m;
    if (j == 0) return dp[i][j] = fact[m] / fact[m-i];
    if (j > i-1) return dp[i][j] = 0;
    if (dp[i][j] != 0) return dp[i][j];
    dp[i][j] = (dfs(i-1, j-1) + (m-1) * dfs(i-1,j) % MOD) % MOD;
    return dp[i][j];
}

int main() {
    cin >> n >> m >> k;
    // memset(dp, -1, sizeof(dp));
    fact[0] = 1;
    for (int i = 1; i < 200005; ++i) {
        long long tmp = (long long)i * (long long)fact[i-1];
        fact[i] = tmp % MOD;
    }
    dfs(n, k);
    long long ans = 0;
    for (int i = 0; i <= k; ++i) {
        ans = (ans + dp[n][i]) % MOD;
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
/tmp/cc6L5cSG.o: in function `dfs(int, int)':
a.cc:(.text+0xdb): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/cc6L5cSG.o
a.cc:(.text+0xf9): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/cc6L5cSG.o
/tmp/cc6L5cSG.o: in function `main':
a.cc:(.text+0x352): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/cc6L5cSG.o
a.cc:(.text+0x37c): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/cc6L5cSG.o
a.cc:(.text+0x3d1): relocation truncated to fit: R_X86_64_PC32 against symbol `fact' defined in .bss section in /tmp/cc6L5cSG.o
collect2: error: ld returned 1 exit status
Language: C++

//from phone
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=2e5+5;
const int M=998244353;
int fact[N], invfact[N];

int pow(int a, int b, int m)
{
	int ans=1;
	while(b)
	{
		if(b&1)
			ans=(ans*a)%m;
		b/=2;
		a=(a*a)%m;
	}
	return ans;
}

int modinv(int k)
{
	return pow(k, MOD-2, MOD);
}

void precompute()
{
	fact[0]=fact[1]=1;
	for(int i=2;i<N;i++)
	{
		fact[i]=fact[i-1]*i;
		fact[i]%=MOD;
	}
	invfact[N-1]=modinv(fact[N-1]);
	for(int i=N-2;i>=0;i--)
	{
		invfact[i]=invfact[i+1]*(i+1);
		invfact[i]%=MOD;
	}
}

int nCr(int x, int y)
{
	if(y>x)
		return 0;
	int num=fact[x];
	num*=invfact[y];
	num%=MOD;
	num*=invfact[x-y];
	num%=MOD;
	return num;
}
signed main()
{
precompute();
int n,m,k;
cin>>n>>m>>k;
int ans=0;
for(int i=0;i<=k;i++)
{
    int tt=nCr(n-1,i);
    if(m-1>=1 && n-i-1>=0)
    {
    tt*=m;
    tt%=M;
    tt*=nCr(m-1,n-i-1);
    tt%=M;
    }
    else
    tt=0;
    ans+=tt;
    ans%=M;
}
cout<<ans;
    }

Compiler output:
a.cc: In function 'long long int modinv(long long int)':
a.cc:24:23: error: 'MOD' was not declared in this scope
   24 |         return pow(k, MOD-2, MOD);
      |                       ^~~
a.cc: In function 'void precompute()':
a.cc:33:26: error: 'MOD' was not declared in this scope
   33 |                 fact[i]%=MOD;
      |                          ^~~
a.cc:39:29: error: 'MOD' was not declared in this scope
   39 |                 invfact[i]%=MOD;
      |                             ^~~
a.cc: In function 'long long int nCr(long long int, long long int)':
a.cc:49:14: error: 'MOD' was not declared in this scope
   49 |         num%=MOD;
      |              ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long solve (int m, vector<vector<int>> &d,int n, int k) {
    if(d.at(n).at(k) != 0) return d.at(n).at(k);
    else if(k == 0) {
        long long ans = 1LL;
        for(int i = 0; i < n; i++) {
            ans*=(m-1);
            if(ans >= 998244353) {
                ans %= 998244353;
            }
        }
        d.at(n).at(k) = ans;
        return ans;
    }
    else if(n == 0) {
        d.at(n).at(k) = 1;
        return 1;
    }
    else return ((m-1)*solve(m, d, n-1,k) + solve(m,d,n-1,k-1)) % 998244353;
}
int main() {
    int n,m,k;
    cin >> n >> m >> k;
    vector<vector<int>> d(n,vector<int> (k));//n個のブロックをk組以下の組で記す方法の数
    if(m == 1 && k == N - 1) {
        cout << 1;
    }
    else if(m == 1) {
        cout << 0;
    }
    else cout << solve(m,d,n,k) %998244353;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:23: error: 'N' was not declared in this scope
   26 |     if(m == 1 && k == N - 1) {
      |                       ^
Language: C++

#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <numeric>
#include <utility>
#include <string>

using namespace std;

const int MOD = 998244353;


// a^n % mod
long long modpow(long long a, long long n, long long mod) {
	long long ret = 1;

	while (n > 0) {
		if (n & 1) {
			ret = ret * a % mod;
		}

		a = a * a % mod;
		n >>= 1;
	}

	return ret;
}

// aの逆元
long long modinv(long long a, long long mod) {
	return modpow(a, mod - 2, mod);
}


class Combination {
public:
	vector<long long> fact, ifact;
	long long mod;
public:
	Combination(int n, int mod) : fact(n+1), ifact(n+1), mod(mod) {
		fact[0] = 1;
		for (int i = 1; i <= n; i++) {
			fact[i] = fact[i-1] * i % mod;
		}
		ifact[n] = modinv(fact[n], mod);
		for (int i = n; i > 0; i--) {
			ifact[i-1] = ifact[i] * i % mod;
		}
	};

	// nCk
	long long comb(int n, int k) {
		assert(n >= 0);
		assert(0 <= k && k <= n);
		return fact[n] * ifact[k] % mod * ifact[n-k] % mod;
	}
};


int main() {
	int n, m, k;
	cin >> n >> m >> k;

	Combination comb(n, MOD);
	vector<long long> pows(n + 1, 0);
	pows[0] = 1;
	for (int i = 1; i < pows.size(); i++) {
		pows[i] = pows[i-1] * (m - 1) % MOD;
	}

	long long ans = 0;
	for (int i = 0; i <= k; i++) {
		ans += pows[n - 1 - i] * comb.comb(n-1, i);
		ans %= MOD;
	}
	ans *= m;
	ans %= MOD;
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In member function 'long long int Combination::comb(int, int)':
a.cc:54:17: error: 'assert' was not declared in this scope
   54 |                 assert(n >= 0);
      |                 ^~~~~~
a.cc:7:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    6 | #include <utility>
  +++ |+#include <cassert>
    7 | #include <string>
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define ALL(a) (a).begin(),(a).end()
using namespace std;
using ll = long long;
using P = pair<int,int>;

ll MOD = 998244353;

ll modpow(ll a,ll n){
    if(n == 0) return 1;
    if(n == 1) return a%MOD;
    ll res = 1;
    res *= modpow(a,n/2);
    res *= res;
    res %= MOD;
    if(n%2) res *= a;
    return res%MOD;
}

ll modinv(ll a){
    return modpow(a,MOD-2);
}

ll comb(ll x,ll y){
    ll ans1 = 1,ans2 = 1;
    for(int i = 1; i <= x;++i){
        ans1 = ans1 * i % MOD;
    }
    for(int i = 1; i <= x-y;++i){
        ans2 = ans2 * i %MOD;
    }
    for(int i = 1; i <= y ; ++i){
        ans2 = ans2 * i % MOD;
    }
    ans2 = modinv(ans2);
    return ans1*ans2%MOD;
}

int main(){
    ll n,m,k; cin >> n >> m >> k;
    ll ans = 0;
    for(ll i = 0; i <= k; ++i){
        ll cnt = modpow(m-1,n-i-1)*m%MOD;
        cnt = cnt * comb(n-1,i) % MOD;
        ans = (ans + cnt) %MOD;
    }
    cout << ans << endl;
}#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define ALL(a) (a).begin(),(a).end()
using namespace std;
using ll = long long;
using P = pair<int,int>;

ll MOD = 998244353;

ll modpow(ll a,ll n){
    if(n == 0) return 1;
    if(n == 1) return a%MOD;
    ll res = 1;
    res *= modpow(a,n/2);
    res *= res;
    res %= MOD;
    if(n%2) res *= a;
    return res%MOD;
}

ll modinv(ll a){
    return modpow(a,MOD-2);
}

ll comb(ll x,ll y){
    ll ans1 = 1,ans2 = 1;
    for(int i = 1; i <= x;++i){
        ans1 = ans1 * i % MOD;
    }
    for(int i = 1; i <= x-y;++i){
        ans2 = ans2 * i %MOD;
    }
    for(int i = 1; i <= y ; ++i){
        ans2 = ans2 * i % MOD;
    }
    ans2 = modinv(ans2);
    return ans1*ans2%MOD;
}

int main(){
    ll n,m,k; cin >> n >> m >> k;
    ll ans = 0;
    for(ll i = 0; i <= k; ++i){
        ll cnt = modpow(m-1,n-i-1)*m%MOD;
        cnt = cnt * comb(n-1,i) % MOD;
        ans = (ans + cnt) %MOD;
    }
    cout << ans << endl;
}

Compiler output:
a.cc:49:2: error: stray '#' in program
   49 | }#include <bits/stdc++.h>
      |  ^
a.cc:49:3: error: 'include' does not name a type
   49 | }#include <bits/stdc++.h>
      |   ^~~~~~~
a.cc:56:4: error: redefinition of 'll MOD'
   56 | ll MOD = 998244353;
      |    ^~~
a.cc:8:4: note: 'll MOD' previously defined here
    8 | ll MOD = 998244353;
      |    ^~~
a.cc:58:4: error: redefinition of 'll modpow(ll, ll)'
   58 | ll modpow(ll a,ll n){
      |    ^~~~~~
a.cc:10:4: note: 'll modpow(ll, ll)' previously defined here
   10 | ll modpow(ll a,ll n){
      |    ^~~~~~
a.cc:69:4: error: redefinition of 'll modinv(ll)'
   69 | ll modinv(ll a){
      |    ^~~~~~
a.cc:21:4: note: 'll modinv(ll)' previously defined here
   21 | ll modinv(ll a){
      |    ^~~~~~
a.cc:73:4: error: redefinition of 'll comb(ll, ll)'
   73 | ll comb(ll x,ll y){
      |    ^~~~
a.cc:25:4: note: 'll comb(ll, ll)' previously defined here
   25 | ll comb(ll x,ll y){
      |    ^~~~
a.cc:88:5: error: redefinition of 'int main()'
   88 | int main(){
      |     ^~~~
a.cc:40:5: note: 'int main()' previously defined here
   40 | int main(){
      |     ^~~~
Language: C

#include <iostream>
#include <map>
#include <utility>
using namespace std;
#define int long long
#define DEBUG(x) cerr << #x << " = " << x << endl
int MOD = 998244353;
int power(int x, int y) {
  int res = 1;
  for(; y > 0; y >>= 1, (x *= x) %= MOD) {
    if(y & 1) (res *= x) %= MOD;
  }
  return res;
}
int extgcd(int a, int b, int &x, int &y) {
  int d = a;
  if (b != 0) {
    d = extgcd(b, a % b, y, x);
    y -= (a / b) * x;
  } else {
    x = 1; y = 0;
  }
  return d;
}
int mod_inv(int a, int m) {
  int x, y;
  extgcd(a, m, x, y);
  return (m + x % m) % m;
}
int fact[200001];
void prepare(const int N) {
  fact[0] = 1;
  for(int i = 1; i <= N; i++) {
    fact[i] = fact[i - 1] * i;
    fact[i] %= MOD;
  }
}
int comb(const int n, const int k) {
  int r = fact[n];
  r *= mod_inv(fact[n - k], MOD);
  r %= MOD;
  r *= mod_inv(fact[k], MOD);
  r %= MOD;
  return r;
}
signed main() {
  int N, M, K; cin >> N >> M >> K;
  int ans = 0;
  prepare(N);
  for (int k = 0; k <= K; k++) {
    int r = M * comb(N - 1, k);
    r %= MOD;
    r *= power(M - 1, N - 1 - k);
    r %= MOD;
    ans += r;
    ans %= MOD;
  }
  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;
typedef long long int ll;
#define FOR(i,l,r) for(i=l;i<r;i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(x) x.begin(),x.end()
#define P pair<ll,ll>
#define F first
#define S second
MOD=998244353;
ll GYAKU(ll N){
  ll res=1,n=MOD-2;
  while(n>0){
    if(n&1)res=res*N%MOD;
    N=N*N%MOD;
    n>>=1;
  }
  return res;
}
signed main(){
  ll N,M,K,i,ans=0;
  cin>>N>>M>>K;ll RUIJO[N],KAIJO[N];
  RUIJO[0]=1;KAIJO[0]=1;
  REP(i,N-1){
    RUIJO[i+1]=RUIJO[i]*(M-1)%MOD;
    KAIJO[i+1]=KAIJO[i]*(i+1)%MOD;
  }
  REP(i,K+1)ans+=RUIJO[N-1]*GYAKU(RUIJO[K])%MOD*GYAKU(RUIJO[N-K-1])%MOD*KAIJO[N-K-1]%MOD;
  cout<<ans*M%MOD<<endl;
  return 0;
}

Compiler output:
a.cc:10:1: error: 'MOD' does not name a type
   10 | MOD=998244353;
      | ^~~
a.cc: In function 'll GYAKU(ll)':
a.cc:12:14: error: 'MOD' was not declared in this scope
   12 |   ll res=1,n=MOD-2;
      |              ^~~
a.cc: In function 'int main()':
a.cc:25:31: error: 'MOD' was not declared in this scope
   25 |     RUIJO[i+1]=RUIJO[i]*(M-1)%MOD;
      |                               ^~~
a.cc:28:45: error: 'MOD' was not declared in this scope
   28 |   REP(i,K+1)ans+=RUIJO[N-1]*GYAKU(RUIJO[K])%MOD*GYAKU(RUIJO[N-K-1])%MOD*KAIJO[N-K-1]%MOD;
      |                                             ^~~
a.cc:29:15: error: 'MOD' was not declared in this scope
   29 |   cout<<ans*M%MOD<<endl;
      |               ^~~
Language: C++

#include <bits/stdc++.h>
#include "../lib/math/comb.hpp"
#include "../lib/math/modpow.hpp"

using namespace std;

#define SZ(x) (int)(x.size())
#define REP(i, n) for(int i=0;i<(n);++i)
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RREP(i, n) for(int i=(int)(n);i>=0;--i)
#define RFOR(i, a, b) for(int i=(int)(a);i>=(int)(b);--i)
#define ALL(a) (a).begin(),(a).end()
#define DUMP(x) cerr<<#x<<" = "<<(x)<<endl
#define DEBUG(x) cerr<<#x<<" = "<<(x)<<" (L"<<__LINE__<<")"<< endl;

using ll = long long;
#define int ll
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using P = pair<int, int>;

const double eps = 1e-8;
const ll MOD = 998244353;
const int INF = INT_MAX / 2;
const ll LINF = LLONG_MAX / 2;

template <typename T1, typename T2>
bool chmax(T1 &a, const T2 &b) {
  if(a < b) {a = b; return true;}
  return false;
}

template <typename T1, typename T2>
bool chmin(T1 &a, const T2 &b) {
  if(a > b) {a = b; return true;}
  return false;
}

template<typename T1, typename T2>
ostream& operator<<(ostream &os, const pair<T1, T2> p) {
  os << p.first << ":" << p.second;
  return os;
}

template<class T>
ostream &operator<<(ostream &os, const vector<T> &v) {
  REP(i, SZ(v)) {
    if(i) os << " ";
    os << v[i];
  }
  return os;
}

signed main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(10);

  ll n, m, k; cin >> n >> m >> k;
  Combination<MOD> comb(1000000);
  ll tmp = 0;
  ll po = mod_pow<ll>(m-1, n-1, MOD);
  REP(i, min(k+1, n-1)) {
    tmp += comb.C(n-1, i) * po % MOD;
    tmp %= MOD;
    po *= comb.getinv(m-1);
    po %= MOD;
  }
  cout << tmp * m % MOD  << endl;

}
























Compiler output:
a.cc:2:10: fatal error: ../lib/math/comb.hpp: No such file or directory
    2 | #include "../lib/math/comb.hpp"
      |          ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.