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

#include <bits/stdc++.h>
using namespace std;
int main{
    int a,b,c;
    cin>>a>>b>>c;
    if(a==b&&a==c)cout<<1<<endl;
    else if(a==b&&a!=c)cout<<2<<endl;
    else if(a==c&&a!=b)cout<<2<<endl;
    else if(b==c&&c!=a)cout<<2<<endl;
    else cout<<3<<endl;
return 0;
}

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:5: error: expected primary-expression before 'int'
    4 |     int a,b,c;
      |     ^~~
a.cc:4:5: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:5: error: 'cin' does not name a type
    5 |     cin>>a>>b>>c;
      |     ^~~
a.cc:6:5: error: expected unqualified-id before 'if'
    6 |     if(a==b&&a==c)cout<<1<<endl;
      |     ^~
a.cc:7:5: error: expected unqualified-id before 'else'
    7 |     else if(a==b&&a!=c)cout<<2<<endl;
      |     ^~~~
a.cc:8:5: error: expected unqualified-id before 'else'
    8 |     else if(a==c&&a!=b)cout<<2<<endl;
      |     ^~~~
a.cc:9:5: error: expected unqualified-id before 'else'
    9 |     else if(b==c&&c!=a)cout<<2<<endl;
      |     ^~~~
a.cc:10:5: error: expected unqualified-id before 'else'
   10 |     else cout<<3<<endl;
      |     ^~~~
a.cc:11:1: error: expected unqualified-id before 'return'
   11 | return 0;
      | ^~~~~~
a.cc:12:1: error: expected declaration before '}' token
   12 | }
      | ^
Language: Java

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

/**
 * Created by fcdkbear on 15.10.16.
 */
public class Solution {

    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Set<Integer> colors = new HashSet<>();
        for (int i = 0; i < 3; ++i) {
            int color = in.nextInt();
            colors.add(color);
        }
        out.println(colors.size());
        out.close();
    }

    static class Pair {
        private long first;
        private int second;

        public Pair(long first, int second) {
            this.first = first;
            this.second = second;
        }

        public long getFirst() {
            return first;
        }

        public void setFirst(long first) {
            this.first = first;
        }

        public int getSecond() {
            return second;
        }

        public void setSecond(int second) {
            this.second = second;
        }
    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

        public long nextLong() {
            return Long.parseLong(next());
        }

    }

}


Compiler output:
Main.java:7: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
int main{
    int a,b,c;
    cin>>a>>b>>c;
    if(a==b&&a==c)cout<<1<<endl;
    else if(a==b&&a!=c)cout<<2<<endl;
    else if(a==c&&a!=b)cout<<2<<endl;
    else if(b==c&&c!=a)cout<<2<<endl;
    else cout<<3<<endl;
return 0;
}

Compiler output:
a.cc:2:5: error: cannot declare '::main' to be a global variable
    2 | int main{
      |     ^~~~
a.cc:3:5: error: expected primary-expression before 'int'
    3 |     int a,b,c;
      |     ^~~
a.cc:3:5: error: expected '}' before 'int'
a.cc:2:9: note: to match this '{'
    2 | int main{
      |         ^
a.cc:4:5: error: 'cin' does not name a type
    4 |     cin>>a>>b>>c;
      |     ^~~
a.cc:5:5: error: expected unqualified-id before 'if'
    5 |     if(a==b&&a==c)cout<<1<<endl;
      |     ^~
a.cc:6:5: error: expected unqualified-id before 'else'
    6 |     else if(a==b&&a!=c)cout<<2<<endl;
      |     ^~~~
a.cc:7:5: error: expected unqualified-id before 'else'
    7 |     else if(a==c&&a!=b)cout<<2<<endl;
      |     ^~~~
a.cc:8:5: error: expected unqualified-id before 'else'
    8 |     else if(b==c&&c!=a)cout<<2<<endl;
      |     ^~~~
a.cc:9:5: error: expected unqualified-id before 'else'
    9 |     else cout<<3<<endl;
      |     ^~~~
a.cc:10:1: error: expected unqualified-id before 'return'
   10 | return 0;
      | ^~~~~~
a.cc:11:1: error: expected declaration before '}' token
   11 | }
      | ^
Language: C++

tr \  \\n|sort -u|wc -l

Compiler output:
a.cc:1:4: error: stray '\' in program
    1 | tr \  \\n|sort -u|wc -l
      |    ^
a.cc:1:7: error: stray '\' in program
    1 | tr \  \\n|sort -u|wc -l
      |       ^
a.cc:1:8: error: stray '\' in program
    1 | tr \  \\n|sort -u|wc -l
      |        ^
a.cc:1:1: error: 'tr' does not name a type
    1 | tr \  \\n|sort -u|wc -l
      | ^~
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <cmath>
#include <map>
#include <iomanip>

int main() {
	long long N, K; std::cin >> N >> K;
	long long ans = k;
	for (int i = 0; i < N - 1; ++i) {
		ans *= k - 1;
	}
	std::cout << ans << std::endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:25: error: 'k' was not declared in this scope
   12 |         long long ans = k;
      |                         ^
Language: C++

#include <bits/stdc++.h>
#define s second
#define f first
#define pb push_back
#define endl '\n'
using namespace std;


typedef long long ll;
typedef pair<int,int> pii;

const int INF = 0x3f3f3f3f;
const ll LINF = 0x3f3f3f3f3f3f3f3fLL;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int N,K;
	cin >> N >> K;

	if(N == 1) cout << K << endl, return 0;

	ll ans = 1;
	for(int i = 0; i < N - 1; i++) ans *= K;
	ans *= K - 1;

	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:39: error: expected primary-expression before 'return'
   22 |         if(N == 1) cout << K << endl, return 0;
      |                                       ^~~~~~
Language: C++

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

int main() {
  int N,K;
  cin >> N >> K;
  ans = K * pow(K-1,N-1);
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   ans = K * pow(K-1,N-1);
      |   ^~~
      |   abs
Language: C++

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

int main() {
  int N,K;
  cin >> N >> K;
  ans = K * pow(K-1,N-1)
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   ans = K * pow(K-1,N-1)
      |   ^~~
      |   abs
Language: C++

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

int main(){
    int n, k;
    int ans=0;
    cin>>n>>k;
    ans = (k-1)**(n-1);
    ans *= k;
    cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: invalid type argument of unary '*' (have 'int')
    9 |     ans = (k-1)**(n-1);
      |                 ^~~~~~
Language: C++

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

int main() {
  int N, K, ans;
  cin >> N >> K;
  ans=K;
  if (N>=2) {
    for (int i=0; i<N-1) {
      ans=ans*(K-1);
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:24: error: expected ';' before ')' token
   12 |     for (int i=0; i<N-1) {
      |                        ^
      |                        ;
Language: Java

import java.util.*;

public class Main {
	public static void main(String[] args) throws Exception{
		Scanner scn = new Scanner(System.in);
		int n = scn.nextInt();
		int k = scn.nextInt();
      int ans = (int)k*(Math.pow(k-1,n-1));
      System.out.print("ans");
	}
}


Compiler output:
Main.java:8: error: incompatible types: possible lossy conversion from double to int
      int ans = (int)k*(Math.pow(k-1,n-1));
                      ^
1 error
Language: Java

import java.util.*;

public class Main {
	public static void main(String[] args) throws Exception{
		Scanner scn = new Scanner(System.in);
		int n = scn.nextInt();
		int k = scn.nextInt();
      int ans = (int)k*Math.pow(k-1,n-1);
      System.out.print("ans");
	}
}

Compiler output:
Main.java:8: error: incompatible types: possible lossy conversion from double to int
      int ans = (int)k*Math.pow(k-1,n-1);
                      ^
1 error
Language: Java

import java.util.*;
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    
    int ans = k * Math.pow(k-1,n-1);
    
    System.out.println(ans);
    
  }
}

Compiler output:
Main.java:8: error: incompatible types: possible lossy conversion from double to int
    int ans = k * Math.pow(k-1,n-1);
                ^
1 error
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    Main m = new Main(sc);
    m.show(m.solve());
    m.debug();
  }

  Scanner sc;
  long N = 0;
  long K = 0;
  long answer = K;

  // 標準入力用のコンストラクタ
  public Main(Scanner sc) {
    this.sc = sc;
    N = sc.nextLong();
    K = sc.nextLong();
  }

  // 判定処理
  long solve() {
      //int[] ball = new int[N];  //色の種類数を格納するボールの配列
      for (int i = 1; i < N; ++i){
        if (N == 1){
            break;
        } else {
            //ball[i] = K;
            answer *= K - 1;
        }
      }
      
      return answer;
  }

  // 回答の表示
  void show(long answer) {
        System.out.println(answer);
  }
    
}


Compiler output:
Main.java:8: error: cannot find symbol
    m.debug();
     ^
  symbol:   method debug()
  location: variable m of type Main
1 error
Language: Java

#include <algorithm>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <string>
typedef long long ll;
using namespace std;

int main(void) {
  cout << fixed << setprecision(12);
  ll n, k;
  cin >> n >> k;
  ll ans = k;
  for(int i = 0; i < n - 1; i++) {
    ans *= k - 1;
  }

  cout << ans << endl;

  return 0;
}


Compiler output:
Main.java:1: error: illegal character: '#'
#include <algorithm>
^
Main.java:2: error: illegal character: '#'
#include <cmath>
^
Main.java:3: error: illegal character: '#'
#include <iomanip>
^
Main.java:4: error: illegal character: '#'
#include <iostream>
^
Main.java:5: error: illegal character: '#'
#include <string>
^
Main.java:7: error: class, interface, enum, or record expected
using namespace std;
^
Main.java:10: error: not a statement
  cout << fixed << setprecision(12);
                ^
Main.java:12: error: not a statement
  cin >> n >> k;
           ^
Main.java:18: error: not a statement
  cout << ans << endl;
              ^
Main.java:9: error: unnamed classes are a preview feature and are disabled by default.
int main(void) {
^
  (use --enable-preview to enable unnamed classes)
Main.java:9: error: <identifier> expected
int main(void) {
             ^
11 errors
Language: C++

#include <bits/stdc++.h>
using namespace std 
int main(){
  long long N, K, ans;
  cin >> N >> K;
  ans = K;
  for(long long i=0; i<N-1; i++){
  	ans *= K-1;
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | int main(){
      | ~~~
Language: C++

#include <bits/stdc++.h>

int main(){
  long long N, K, ans;
  cin >> N >> K;
  ans = K;
  for(long long i=0; i<N-1; i++){
  	ans *= K-1;
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> N >> K;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:10:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |   cout << ans << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |   cout << ans << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

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

int main() {
    int N, K;
    cin >> N >> K;
    int count = N;
    int answer = K;
    for (int i = 1; i < count; i++)
    {
        answer *= (K-1);
    }
    cout << answer 
    



}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:19: error: expected ';' before '}' token
   13 |     cout << answer
      |                   ^
      |                   ;
......
   18 | }
      | ~
Language: C++


#include<complex>// #include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using V = vector<int>;
using VV = vector<V>;
using VVV = vector<VV>;
using VL = vector<ll>;
using VVL = vector<VL>;
using VVVL = vector<VVL>;
template<class T> using VE = vector<T>;
template<class T> using P = pair<T, T>;
#define rep(i,n) for(int i=0;i<(n);i++)
#define rep1(i,n) for(int i=1;i<=(n);i++)
#define REP(i,k,n) for(int i=(k);i<(n);i++)
#define all(a) (a).begin(),(a).end()
#define output(x,y) cout << fixed << setprecision(y) << x << endl;
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; }
ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }
const ll MOD = 1e9 + 7;
// const ll MOD = 998244353;
ll upper = MOD + MOD;
ll under = -upper;
ll UPPER = MOD * MOD;
ll UNDER = -UPPER;
const long double pi = 3.141592653589793;
int main() {
	ll n, k;
	cin >> n >> k;
	ll ans = k;
	k--;
	rep(i, n - 1) ans *= k;
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc:6:11: error: 'vector' does not name a type
    6 | using V = vector<int>;
      |           ^~~~~~
a.cc:7:12: error: 'vector' does not name a type
    7 | using VV = vector<V>;
      |            ^~~~~~
a.cc:8:13: error: 'vector' does not name a type
    8 | using VVV = vector<VV>;
      |             ^~~~~~
a.cc:9:12: error: 'vector' does not name a type
    9 | using VL = vector<ll>;
      |            ^~~~~~
a.cc:10:13: error: 'vector' does not name a type
   10 | using VVL = vector<VL>;
      |             ^~~~~~
a.cc:11:14: error: 'vector' does not name a type
   11 | using VVVL = vector<VVL>;
      |              ^~~~~~
a.cc:12:30: error: 'vector' does not name a type
   12 | template<class T> using VE = vector<T>;
      |                              ^~~~~~
a.cc: In function 'int main()':
a.cc:32:9: error: 'cin' was not declared in this scope
   32 |         cin >> n >> k;
      |         ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include<complex>// #include<bits/stdc++.h>
  +++ |+#include <iostream>
    3 | using namespace std;
a.cc:36:9: error: 'cout' was not declared in this scope
   36 |         cout << ans << endl;
      |         ^~~~
a.cc:36:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <algorithm>
#include <ctype.h>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
using namespace std;

#define ENDL '\n'
#define FOR(i, n) for (int i = 0; i < n; i++)
#define FOR_EACH(i, v) for (auto&& i : v);

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	int N;
	int K;
	cin >> N >> K;

	cout << K * (int)pow(K - 1, N - 1) << ENDL;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:26: error: 'pow' was not declared in this scope
   30 |         cout << K * (int)pow(K - 1, N - 1) << ENDL;
      |                          ^~~
Language: C++

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

int main() {
  int N,K;
  cin>>N>>K;
  int pattern=1;
  for(int i=1;i<=N;i++){
    if(i==1){
      pattern*=K;
    }
    else{
      pattern*=(K-1);
    }
    cout<<pattern<<endl;
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:2: error: expected '}' at end of input
   17 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: Java

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        long x = (long) Math.pow(k-1, n-1) * k;
        System.out.println(x);
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include<iostream>
using namespace std;
using ll = long long;

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

	ll ans = K;
	ll Q = pow(K - 1, N - 1);
	cout << ans * Q << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: 'pow' was not declared in this scope
   10 |         ll Q = pow(K - 1, N - 1);
      |                ^~~
Language: C++

#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define int long long
#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,n) for(int i=0;i<=n;i++)
#define repr(i,a,n) for(int i=a;i<n;i++)
#define all(a) a.begin(),a.end()
#define P pair<long long,long long>
#define uni(e) e.erase(unique(e.begin(),e.end()),e.end())
#define double long double
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; }
int INF=1e10;
int MOD=1e9+7;
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
}
int kurai(int a,int b){
  int m=pow(10,b),n=pow(10,b-1);
  return (a%m)/n;
}
int ketawa(int a){
  int k=0;
  rep(i,keta(a)){
  k+=kurai(a,i+1);
  }
  return k;
}
int gcd(int a,int b){
  if(a%b==0)
    return b;
  return gcd(b,a%b);
}
int lcm(int a,int b){
    return a/gcd(a,b)*b;
}
int mid(int a,int b,int c){
  vector<int> k(3);
  k[0]=a;k[1]=b;k[2]=c;
  sort(all(k));
  return k[1];
}
bool sosuu(int a){
  bool b=1;
  if(a<=1)
    return 0;
  else{
  rep1(i,sqrt(a)-1){
  if(a%(i+1)==0)
  b=0;
  }
  return b;
  }
}
int modpow(int a,int b,int m=MOD){
 if(!b)return 1; if(b&1)return modpow(a,b-1,m)*a%m;
 int memo = modpow(a,b>>1,m);
 return memo*memo%m;
}
int fact_mod(int n) {
    int f=1; 
for(int i=2;i<n+1;i++) f=f*(i%MOD)% MOD;
    return f;
}
int mod_pow(int x,int n) {
    int res=1;
    while(n>0){
        if(n&1) res=(res*x)%MOD; 
        x=(x*x)%MOD;        
n>>=1; 
    }
    return res;
}
int c_mod(int n, int r) {
    if(r>n-r) r=n-r;
    if(r==0) return 1;
    int a=1;
    rep(i,r) 
a=a*((n-i)%MOD)%MOD;
    int b=mod_pow(fact_mod(r), MOD-2);
    return (a%MOD)*(b%MOD)%MOD;
}
signed main(){
  int a,b;
  cin>>a>>b;
  int c=b;
  rep(i,a-1)
    c*=b-1
    out(c);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:100:11: error: expected ';' before 'out'
  100 |     c*=b-1
      |           ^
      |           ;
  101 |     out(c);
      |     ~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,k;
    cin>>n>>k;
	int ans;
	ans=k*pow(k-1,n-1)
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:27: error: expected ';' before 'cout'
    8 |         ans=k*pow(k-1,n-1)
      |                           ^
      |                           ;
    9 |     cout<<ans<<endl;
      |     ~~~~
Language: C++

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

int main(){
    long long N,K;
    cin >> N >> K;
    long long ans = 1;
    for(int i = 0; i < N; i++) {
        if(i = 0) {
            ans*N;
        }
        else {
            ans*(N-1)
        }
    }
    cout << ans <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:22: error: expected ';' before '}' token
   13 |             ans*(N-1)
      |                      ^
      |                      ;
   14 |         }
      |         ~
Language: C

#include<stdio.h>
#include<math.h>
int main()
{
int a,b;
  scnaf("%d %d",&a,&b);
long long int c=b;
  c=c+pow(a-1,b-1);
printf("%lld",c);


return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: implicit declaration of function 'scnaf'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |   scnaf("%d %d",&a,&b);
      |   ^~~~~
      |   scanf
Language: C

#include<stdio.h>
#include<math.h>
int main()
{
int a,b;
  scnaf("%d %d",&a,&b);
long long int c=b;
  c=c+pow(a-1,n-1);
printf("%lld",c);


return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: implicit declaration of function 'scnaf'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |   scnaf("%d %d",&a,&b);
      |   ^~~~~
      |   scanf
main.c:8:15: error: 'n' undeclared (first use in this function)
    8 |   c=c+pow(a-1,n-1);
      |               ^
main.c:8:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main() {
   int N,K;
   cin >> N >> K;
   long long total;
   for (int i=0; i<N; i++) {
       if (i=0) total=K;
       else to
       tal*=(K-1);
   }
   cout << total << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:13: error: 'to' was not declared in this scope; did you mean 'tm'?
   10 |        else to
      |             ^~
      |             tm
Language: C++

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

int name(){
  int N, K;
  cin >> N >> K ;
  
  cout << N*((N-1)^(K-1)) << endl;
}

Compiler output:
a.cc: In function 'int name()':
a.cc:9:1: warning: no return statement in function returning non-void [-Wreturn-type]
    9 | }
      | ^
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: Java

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;
 
/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author Washoum
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        inputClass in = new inputClass(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        APassword solver = new APassword();
        solver.solve(1, in, out);
        out.close();
    }
 
    static class APassword {
        public void solve(int testNumber, inputClass sc, PrintWriter out) {
            int n = sc.nextInt();
          	int k = sc.nextInt();
          	long num=1;
          	for (int i = 0 ; i < n-1 ;i++){
              num*=(k-1);
            }
          	out.prinltn(num*k);
        }
 
    }
 
    static class inputClass {
        BufferedReader br;
        StringTokenizer st;
 
        public inputClass(InputStream in) {
 
            br = new BufferedReader(new InputStreamReader(in));
        }
 
        public String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }
 
        public int nextInt() {
            return Integer.parseInt(next());
        }
 
    }
}
 

Compiler output:
Main.java:36: error: cannot find symbol
          	out.prinltn(num*k);
          	   ^
  symbol:   method prinltn(long)
  location: variable out of type PrintWriter
1 error
Language: C++

#include <iostream>
#include <map>
#include <unordered_map>
#include <set>
#include <utility>
#include <stack>
#include <cstdio>
#include <string>
#include <cmath>
#include <cstring>
#include <vector>
#include <queue>
#include <algorithm>
#include <iterator>
#include <sstream>
#define popcount(x) __builtin_popcount(x)
#define oddparity(x) __builtin_parity(x)
#define clz(x) __builtin_clz(x)
#define ctz(x) __builtin_ctz(x)
#define sf scanf
#define pf printf
using namespace std;

vector<double>up, down;
int i, j, n, k;
double ans = 1;

int main()
{
    sf("%d%d", &n, &k);
    for (i = 1; i <= n; i++) {
        if (i == 1) {
            for (j = k; j > 0; j--) {
                up.push_back(double(j));
                if (j <= k-1) down.push_back(double(j));
            }
        }
        else {
            for (j = k-1; j > 0; j--) {
                up.push_back(double(j));
                if (j <= k-2) down.push_back(double(j));
            }
        }
    }
    for (i = 0, j = 0; i < up.size(); ) {
        if (ans * up[i] > INT_MAX) {
            ans /= down[j];
            j++;
        }
        else {
            ans *= up[i];
            i++;
        }
    }
    while (j < down.size()) {
        ans /= down[j];
        j++;
    }
    pf("%d\n", (int)ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:46:27: error: 'INT_MAX' was not declared in this scope
   46 |         if (ans * up[i] > INT_MAX) {
      |                           ^~~~~~~
a.cc:16:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   15 | #include <sstream>
  +++ |+#include <climits>
   16 | #define popcount(x) __builtin_popcount(x)
Language: C

# include <iostream>
# include <string>
# include <cmath>

using namespace std;

int main()
{
    int n, k;
    cin >> n >> k;
    cout << k * pow(k - 1, n - 1);
}

Compiler output:
main.c:1:11: fatal error: iostream: No such file or directory
    1 | # include <iostream>
      |           ^~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
  int n,k;
  cin >> n >> k;
  cout << k*(int)pow(k-1,n-1);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'pow' was not declared in this scope
    8 |   cout << k*(int)pow(k-1,n-1);
      |                  ^~~
Language: C++

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

int main() {
  int N , K ;
  cin >> N >> K ;
  X = pow(k-1,N) ;
  cout << X*K << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'X' was not declared in this scope
    7 |   X = pow(k-1,N) ;
      |   ^
a.cc:7:11: error: 'k' was not declared in this scope
    7 |   X = pow(k-1,N) ;
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i=0, i##_len=(n); i<i##_len; ++i)
typedef long long ll;
#define pb push_back
#define fi first
#define se second
#define ALL(x) (x).begin(),(x).end()
#define RALL(x) (x).rbegin(),(x).rend()
template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p){os<<"("<<p.first<<","<< p.second<<")";return os;}
template <class T> ostream &operator<<(ostream &os, const vector<T> &v){os<<"{";REP(i,(int)v.size()){if(i)os<<",";os<<v[i];}os<<"}";return os;}
template <typename T, size_t S> void printArray(const T (&array)[S]){for(auto val : array)std::cout << val << ", ";std::cout << "\n";}
void Yes() {cout << "Yes" << endl;}
void No() {cout << "No" << endl;}
void YES() {cout << "YES" << endl;}
void NO() {cout << "NO" << endl;}
const double PI=acos(-1);
const ll MOD = 1000000007;
using Graph = vector<vector<int>>;
//const int dx[4] = {1, 0, -1, 0};
//const int dy[4] = {0, 1, 0, -1};
//const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1};
//const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
ll mypow(ll a, ll n){
    ll res = 1;
    while(n>0){
        if(n&1) res = res*a;
        a = a*a;
        n >>= 1;
    }
    return res;
}
void solve(){
    ll n, k; cin >> n >> k;
    cout << k*mypow(k-1, n-1)) << endl;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    solve();
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:35:30: error: expected ';' before ')' token
   35 |     cout << k*mypow(k-1, n-1)) << endl;
      |                              ^
      |                              ;
Language: C++

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

int main(){
  int N, K;
  cin >> N >> K;
  ans = K;
  for(int i = 1; i < N; i++){
    ans *= K - 1;
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   ans = K;
      |   ^~~
      |   abs
Language: C++

//#include <tourist>
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p;
const int INF = 1e9;
const ll LINF = ll(1e18);
const int MOD = 1000000007;
const int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0};
const int Dx[8] = {0, 1, 1, 1, 0, -1, -1, -1}, Dy[8] = {-1, -1, 0, 1, 1, 1, 0, -1};
#define yes cout << "Yes" << endl
#define YES cout << "YES" << endl
#define no cout << "No" << endl
#define NO cout << "NO" << endl
#define rep(i, n) for (int i = 0; i < n; i++)
#define ALL(v) v.begin(), v.end()
#define debug(v)          \
    cout << #v << ":";    \
    for (auto x : v)      \
    {                     \
        cout << x << ' '; \
    }                     \
    cout << endl;
template <class T>
bool chmax(T &a, const T &b)
{
    if (a < b)
    {
        a = b;
        return 1;
    }
    return 0;
}
template <class T>
bool chmin(T &a, const T &b)
{
    if (b < a)
    {
        a = b;
        return 1;
    }
    return 0;
}
//cout<<fixed<<setprecision(15);有効数字15桁
//-std=c++14
//-std=gnu++17
ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }
ll n, m;
vector<int> a;

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
  ll k;
    cin >> n>>k;
  	ll ans=k
    for (int i = 0; i < n-1; i++)
    {
        ans*=(k-1);
    }
    cout << ans << "\n";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:59:5: error: expected ',' or ';' before 'for'
   59 |     for (int i = 0; i < n-1; i++)
      |     ^~~
a.cc:59:21: error: 'i' was not declared in this scope
   59 |     for (int i = 0; i < n-1; i++)
      |                     ^
Language: C++

//#include <tourist>
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p;
const int INF = 1e9;
const ll LINF = ll(1e18);
const int MOD = 1000000007;
const int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0};
const int Dx[8] = {0, 1, 1, 1, 0, -1, -1, -1}, Dy[8] = {-1, -1, 0, 1, 1, 1, 0, -1};
#define yes cout << "Yes" << endl
#define YES cout << "YES" << endl
#define no cout << "No" << endl
#define NO cout << "NO" << endl
#define rep(i, n) for (int i = 0; i < n; i++)
#define ALL(v) v.begin(), v.end()
#define debug(v)          \
    cout << #v << ":";    \
    for (auto x : v)      \
    {                     \
        cout << x << ' '; \
    }                     \
    cout << endl;
template <class T>
bool chmax(T &a, const T &b)
{
    if (a < b)
    {
        a = b;
        return 1;
    }
    return 0;
}
template <class T>
bool chmin(T &a, const T &b)
{
    if (b < a)
    {
        a = b;
        return 1;
    }
    return 0;
}
//cout<<fixed<<setprecision(15);有効数字15桁
//-std=c++14
//-std=gnu++17
ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }
ll n, m;
vector<int> a;

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> n>>k;
  	ll ans=k
    for (int i = 0; i < n-1; i++)
    {
        ans*=(k-1);
    }
    cout << ans << "\n";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:56:15: error: 'k' was not declared in this scope
   56 |     cin >> n>>k;
      |               ^
a.cc:58:21: error: 'i' was not declared in this scope
   58 |     for (int i = 0; i < n-1; i++)
      |                     ^
Language: C++

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

int main() {
  int N, K;
  cin N >> K;
  int cnt=K;
  for (int i=1; i<N; i++) {
    cnt*=(K-1);
  }
  cout << cnt << endl;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:6: error: expected ';' before 'N'
    8 |   cin N >> K;
      |      ^~
      |      ;
Language: C++

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

int main() {
  int N, K;
  cin N >> K;
  int cnt=K;
  for (int i=1; i<N; i++) {
    cnt*(K-1);
  }
  cout << cnt << endl;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:6: error: expected ';' before 'N'
    8 |   cin N >> K;
      |      ^~
      |      ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N,K;
  cin>>N>>K;
  if(N=1){
    cout<<K<<endl;
  }
  
   else{
     int s=1;
     for(int i=0;i<N-1;i++){
      s = (K-1)*s;
     }
   }
  cout<<K*s<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:16:11: error: 's' was not declared in this scope
   16 |   cout<<K*s<<endl;
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N,K;
  cin>>N>>K;
  if(N=1){
    cout<<K<<endl;
  }
  
   else{
     int s=1;
     for(int i=0;i<N-1;i++){
    (K-1)*s;
     }
   }
  cout<<K*s<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:16:11: error: 's' was not declared in this scope
   16 |   cout<<K*s<<endl;
      |           ^
Language: Java

import java.util.Scanner;

/**
 * B
 */
public class B {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int k = sc.nextInt();

        int result = k;
        for (int i = 1; i < n; i++) {
            result *= k - 1;
        }

        System.out.println(result);
        sc.close();
    }
}

Compiler output:
Main.java:6: error: class B is public, should be declared in a file named B.java
public class B {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;++i)
#include<string>
#include<vector>
using namespace std;
typedef long long ll;
typedef pair<int, int>P;
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; }
//max=({});
//条件式が真ならwhileの中身を回し続ける
//printf("%d\n", ans);

//pairの入力
//vector<pair<ll, ll>>work(n);
//rep(i, n) {
//	ll a, b;
//	cin >> a >> b;
//	work[i] = make_pair(a, b);
//for(auto p:mp)(mapの探索)
//printf("%.10f\n",なんちゃら)

int g[15][15];
const int INF = 1001001001;
const int dx[4] = { -1,0,1,0 };
const int dy[4] = { 0,-1,0,1 };

//最大公約数
ll gcd(ll x, ll y) {
	return y ? gcd(y, x % y) : x;
}

ll lcm(ll x, ll y) {
	if (x == 0 || y == 0)return 0;
	return (x / gcd(x, y) * y);
}

//素因数分解
vector<pair<ll, int>>factorize(ll n) {
	vector<pair<ll, int>>res;
	for (ll i = 2;i * i <= n;++i) {
		if (n % i)continue;
		res.emplace_back(i, 0);
		while (n % i == 0) {
			n /= i;
			res.back().second++;
		}
	}
	if (n != 1)res.emplace_back(n, 1);
	return res;
}

int bingo[3][3];
int cnt[2][105];
int h, w;
bool flag[110][110];

int main() {
	ll n, k;
	cin >> n >> k;
	ll ans = k;
	rep(i, n-1) {
		ans *= (k - 1);
	}
	cout << ans << endl:
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:65:28: error: expected ';' before ':' token
   65 |         cout << ans << endl:
      |                            ^
      |                            ;
Language: C++

n, k = map(int, input().split())
if n == 1:
    ans = k
    print(ans)
else:
    ans = k*(k-1)*(n-1)
    print(ans)

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n, k = map(int, input().split())
      | ^
Language: C++

using namespace std;
int main(){
  int n,k;
  cin>>n>>k;
  long long ans=k;
  for(int a=1;a<n;a++){
    ans*=(k-1);
  }
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope
    4 |   cin>>n>>k;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:9:3: error: 'cout' was not declared in this scope
    9 |   cout<<ans<<endl;
      |   ^~~~
a.cc:9:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:14: error: 'endl' was not declared in this scope
    9 |   cout<<ans<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

using namespace std;
int main(){
  int n,k;
cin>>n>>k;
long long ans=k;
for(int a=1;a<n;a++){
  ans*=(k-1);
}
cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:1: error: 'cin' was not declared in this scope
    4 | cin>>n>>k;
      | ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:9:1: error: 'cout' was not declared in this scope
    9 | cout<<ans<<endl;
      | ^~~~
a.cc:9:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:12: error: 'endl' was not declared in this scope
    9 | cout<<ans<<endl;
      |            ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

int n,k;
cin>>n>>k;
long long ans=k;
for(int a=1;a<n;a++){
  ans*=(k-1);
}
cout<<ans<<endl;

Compiler output:
a.cc:2:1: error: 'cin' does not name a type
    2 | cin>>n>>k;
      | ^~~
a.cc:4:1: error: expected unqualified-id before 'for'
    4 | for(int a=1;a<n;a++){
      | ^~~
a.cc:4:13: error: 'a' does not name a type
    4 | for(int a=1;a<n;a++){
      |             ^
a.cc:4:17: error: 'a' does not name a type
    4 | for(int a=1;a<n;a++){
      |                 ^
a.cc:7:1: error: 'cout' does not name a type
    7 | cout<<ans<<endl;
      | ^~~~
Language: C++

#include<iostream>
#include<stdio.h>
//#include <bits/stdc++.h>
#include<vector>
#include<float.h>
#include<iomanip>
#include<algorithm>
#include<string>
#include<cstring>
#include<math.h>
#include<cmath>
#include<sstream>
#include<set>
#include<map>
#include<queue>
#include <cassert>
#include <cmath>
#include<cstdint>

#define INF 1e9
#define rep(i,n)for(int i=0;(i)<(int)(n);i++)
#define REP(i,a,b)for(int i=(int)(a);(i)<=(int)(b);i++)
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
#define vec(type,n) vector<type>(n)
#define vvec(m,n) vector<vector<int>> (int(m),vector<int>(n))
#define ALL(a)  (a).begin(),(a).end()

using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
using P = pair<int,int>;

vector<int>bitSearch(int bit,int n){
    vector<int>S;
    rep(i,n)if(bit&(1<<i))S.push_back(i);
    return S;
}


int d[3] = {-1,0,1};
int main(){
    int n,k;cin>>n>>k;
  ll res = k*pow(k-1,n-1)
    cout<<res;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:44:5: error: expected ',' or ';' before 'cout'
   44 |     cout<<res;
      |     ^~~~
Language: C++

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

int main(){
	long long n,k,ans ;
	cin >> n >> k ;
	ans = k ;
	for(int i=1;i<n;i++){
		ans *= k-1 ;
	}
	cout << ans << endl ;
}

Compiler output:
a.cc:3:10: error: #include expects "FILENAME" or <FILENAME>
    3 | #include
      |          ^
Language: C++

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

int main(){
  int N, K;
  cin >> N >> K;
  int64_t count = 1;
  count = count*N*pow(K-1, N-1);
  cout << count << endl;
}

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;

int main() {
	int N,K;
    cin >> N >> K;
    int c = K
    for(int i=0;i<N-1;i++){
      c = c*(K-1);
    }
    cout << c << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: expected ',' or ';' before 'for'
    8 |     for(int i=0;i<N-1;i++){
      |     ^~~
a.cc:8:17: error: 'i' was not declared in this scope
    8 |     for(int i=0;i<N-1;i++){
      |                 ^
Language: C

#include<stdio.h>
int main()
{
    int n,k,fac1=1,fac2=1,fac3=1;
    scanf("%d%d",&n,&k);
    if(n==k)
    printf("%d",n);
    else
    {
    while(k>=1)
    {
        fac1=fac1*k;
        --k;
    }
    while(n>=1)
    {
        fac2=fac2*n;
        --n;
    }
    while(k-n>=1)
    {
        fac3=fac3*(k-n);
        k-n=k-n-1;
    }
    printf("%d",fac1/(fac2*fac3));
    }
    return 0;
    
}

Compiler output:
main.c: In function 'main':
main.c:23:12: error: lvalue required as left operand of assignment
   23 |         k-n=k-n-1;
      |            ^
Language: C++

include <bits/stdc++.h>
       
using namespace std;
typedef long long ll;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
 
int main() {
  int n k;
  cin >> n >> k;
  int ans = k;
  for (int i = 0; i < (int)n - 1; ++i) ans *= (k- 1);
  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:9:9: error: expected initializer before 'k'
    9 |   int n k;
      |         ^
a.cc:10:3: error: 'cin' was not declared in this scope
   10 |   cin >> n >> k;
      |   ^~~
a.cc:10:10: error: 'n' was not declared in this scope
   10 |   cin >> n >> k;
      |          ^
a.cc:10:15: error: 'k' was not declared in this scope
   10 |   cin >> n >> k;
      |               ^
a.cc:13:3: error: 'cout' was not declared in this scope
   13 |   cout << ans << endl;
      |   ^~~~
a.cc:13:18: error: 'endl' was not declared in this scope
   13 |   cout << ans << endl;
      |                  ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
long long int a, t,b;
cin>>a>>b;
t=(b+(b-1)(a-1));
cout<<t;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expression cannot be used as a function
    7 | t=(b+(b-1)(a-1));
      |      ~~~~~^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
long long int a, b;
cin>>a>>b;
cout<<(b+(b-1)(a-1));
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:15: error: expression cannot be used as a function
    7 | cout<<(b+(b-1)(a-1));
      |          ~~~~~^~~~~
Language: C++

#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<iostream>
#include<algorithm>
#include<cmath>
#include<string>
#include<stack>
#include<queue>
#include<vector>
#include<map>
#define fi first
#define se second
#define pb(i) push_back(i)
#define rep(i,a,b) for(int i=a;i<=b;i++)
#define per(i,a,b) for(int i=a;i>=b;i--)
#define mes(a,b) memset(a,b,sizeof(a))
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const int N = 1e6+10;
const int INF = 0x3f3f3f3f;
const int inf = - INF;
const int mod = 1e9+7;
const double pi = acos(-1.0);

ll poww(ll x,ll y){
    ll res=1;
    while(y){
        res*=x;
        y--;
    }
    return res;
}
int main(){
    ll n,k;
    cin>>n>>k;
    cout<<k*pow(k-1,n-1)<<endl
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:31: error: expected ';' before 'return'
   38 |     cout<<k*pow(k-1,n-1)<<endl
      |                               ^
      |                               ;
   39 |     return 0;
      |     ~~~~~~
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class atcoder_46_B {
	static class FastReader{
		BufferedReader br;
		StringTokenizer st;
		public FastReader() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}
		public String next() {
			while(st==null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
					
				}
				catch(IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}
		int nextInt() {
			return Integer.parseInt(next());
		}
		long nextLong() {
			return Long.parseLong(next());
		}
		double nextDouble() {
			return Double.parseDouble(next());
		}
	}
	public static void main(String[] args) {
		FastReader ob = new FastReader();
		int n = ob.nextInt(),k=ob.nextInt();
		long ways=k;
		n--;
		while(n>0) {
			ways*=k-1;
			n--;
		}
		System.out.println(ways);
		
	}

}


Compiler output:
Main.java:6: error: class atcoder_46_B is public, should be declared in a file named atcoder_46_B.java
public class atcoder_46_B {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
int ans,k,n;
int main()
{
    cin>>n>>k;
    ans=k;
    for(int i=2;i<=n;i++)
    {
        ans*=k-1;
    }
    printf("%d\n",ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin>>n>>k;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
Language: C++

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

int main(){
  int n,k,j=1;
  cin n >> k;
  for(int i=0;i<n-1;++i){
    j *= (k-1);
  }
    
  cout << k*j << endl;
}
/*int pow(int a,int b){
int b=1;
for(int i=0;i<b;i++) b*=a;
return 0;
}*/

Compiler output:
a.cc: In function 'int main()':
a.cc:6:6: error: expected ';' before 'n'
    6 |   cin n >> k;
      |      ^~
      |      ;
Language: C

#include <iostream>

using namespace std;

int main(int argc,char **argv)
{
  int ball,color;
  cin >> ball >> color;

  int pattern = color;
  for(int i=0;i<ball-1;i++)
  {
    pattern = pattern * (color-1);
  }
  cout << pattern << endl;
}



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