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

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

int main(){
  string s;
  cin >> s;
  bool tf = ture;
  if(s[0]==s[1])tf = false;
  if(s[1]==s[2])tf = false;
  if(s[2]==s[3])tf = false;
  
  if(tf){
    cout<< Good <<emdl;
  }
  else{
    cout<< Bad << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: 'ture' was not declared in this scope
    8 |   bool tf = ture;
      |             ^~~~
a.cc:14:12: error: 'Good' was not declared in this scope
   14 |     cout<< Good <<emdl;
      |            ^~~~
a.cc:14:19: error: 'emdl' was not declared in this scope
   14 |     cout<< Good <<emdl;
      |                   ^~~~
a.cc:17:12: error: 'Bad' was not declared in this scope
   17 |     cout<< Bad << endl;
      |            ^~~
Language: C++

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

int main(){
  string s;
  cin >> s;
  bool = ture;
  if(s[0]==s[1])bool = false;
  if(s[1]==s[2])bool = false;
  if(s[2]==s[3])bool = false;
  
  if(bool){
    cout<< Good <<emdl;
  }
  else{
    cout<< Bad << endl;
  }
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: expected unqualified-id before '=' token
    8 |   bool = ture;
      |        ^
a.cc:9:22: error: expected unqualified-id before '=' token
    9 |   if(s[0]==s[1])bool = false;
      |                      ^
a.cc:10:22: error: expected unqualified-id before '=' token
   10 |   if(s[1]==s[2])bool = false;
      |                      ^
a.cc:11:22: error: expected unqualified-id before '=' token
   11 |   if(s[2]==s[3])bool = false;
      |                      ^
a.cc:13:10: error: expected unqualified-id before ')' token
   13 |   if(bool){
      |          ^
a.cc:14:12: error: 'Good' was not declared in this scope
   14 |     cout<< Good <<emdl;
      |            ^~~~
a.cc:14:19: error: 'emdl' was not declared in this scope
   14 |     cout<< Good <<emdl;
      |                   ^~~~
a.cc:17:12: error: 'Bad' was not declared in this scope
   17 |     cout<< Bad << endl;
      |            ^~~
Language: C++

#include <iostream>
using namespace std;

int main () {
  string s;
  cin >> s;
  int i = 1
  for (; i < s.length(); ++i) {
    if (s[i - 1] == s[i]) {
      cout << "Bad\n";
      break;
    }
  }
  if (i == s.length()) cout << "Good\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: expected ',' or ';' before 'for'
    8 |   for (; i < s.length(); ++i) {
      |   ^~~
a.cc:8:29: error: expected ';' before ')' token
    8 |   for (; i < s.length(); ++i) {
      |                             ^
      |                             ;
Language: Java

import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.*;

public class DMegalomania  {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        int n = in.nextInt();
        List<Job> jobs = new ArrayList<Job>();
        for(int i =0;i<n;i++){
            int t= in.nextInt();
            int p = in.nextInt();
            jobs.add(new Job(t,p));
        }
        Collections.sort(jobs);
        String ans ="Yes";
        int s =0;
        for(Job v : jobs){
            s+=v.time;
            if(s>v.period) {
                ans="No";
                break;
            }
        }
        out.print(ans);
        out.close();
    }
    static public class Job implements Comparable<Job>{
        int time;
        int period;
        public Job(int time, int period){
            this.time = time;
            this.period=period;
        }
        public String toString(){
            return "["+time+","+period+"]";
        }
        public int compareTo(Job o){
            int compare = Integer.compare(period,o.period);
            if (compare==0){
                compare=Integer.compare(time,o.time);
            }
            return compare;

        }
    }


}


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

x = input()
sw=0
for i in range(len(x)-1):
    if x[i]==x[i+1]:
        sw=1
if sw==1:
    print("Bad")
else:
    print("Good")            

Compiler output:
a.cc:1:1: error: 'x' does not name a type
    1 | x = input()
      | ^
Language: C++

#include <iostream>
#include <string>

using namespace std;

int main(void)
{
    // 入力
    string input;
    cin >> input;
    // 判定用のフラグ
    bool is_good = true;
    // 隣り合う文字を比較して判定
    for (i = 0; i < 3; i++)
    {
        if (input[i] == input[i + 1])
        {
            is_good = false;
        }
    }
    // 結果の出力
    if (is_good == true)
    {
        cout << "Good" << endl;
    }
    else
    {
        cout << "Bad" << endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:10: error: 'i' was not declared in this scope
   14 |     for (i = 0; i < 3; i++)
      |          ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int N;
    int A,B,C,D;
  cin>>N;
  A=N/1000;
  B=(N-A*1000)/100;
  C=(N-A*1000-B*100)/10;
  D=N-A*1000-B*100-C*10;
  if(((A*B)/2==A)||((B*C)/2==B)||((C*D)/2==B){
    cout<<"Bad"<<endl;}
     else{
       cout<<"Good"<<endl;}
     }
    

Compiler output:
a.cc: In function 'int main()':
a.cc:11:46: error: expected ')' before '{' token
   11 |   if(((A*B)/2==A)||((B*C)/2==B)||((C*D)/2==B){
      |     ~                                        ^
      |                                              )
a.cc:15:6: error: expected primary-expression before '}' token
   15 |      }
      |      ^
Language: C

#include <stdio.h>
#include <string.h>
int main()
{
  char s[4];
  scanf("%s",&s);
  for(int i = 0 ; i<= 3; i++)
  {
    if(s[i] == s[i+1] ) 
    {
      printf("Bad\n");
      return 0;
    }
    else
    {
      printf("Good\n");
  	  return 0;
    }
  }
}
#include <stdio.h>
#include <string.h>
int main()
{
  char s[3];
  scanf("%s",&s);
  for(int i = 0 ; i<= 2; i++)
  {
    if(s[i] == s[i+1] ) 
    {
      printf("Bad\n");
      return 0;
    }
    else
    {
      printf("Good\n");
  	  return 0;
    }
  }
}
提出情報


Compiler output:
main.c:23:5: error: redefinition of 'main'
   23 | int main()
      |     ^~~~
main.c:3:5: note: previous definition of 'main' with type 'int()'
    3 | int main()
      |     ^~~~
main.c:41:1: error: expected '=', ',', ';', 'asm' or '__attribute__' at end of input
   41 | 提出情報
      | ^~~~~~~~
Language: C

#include <stdio.h>
#include <string.h>
int main()
{
  char s[4];
  scanf("%s",&s);
  for(int i = 1 ; i<= 3; i++)
  {
    if(s[i] == s[i+1] ) 
    {
      printf("Bad\n");
      return 0;
    }
    else
    {
      printf("Good\n");
  	  return 0;
    }
}

Compiler output:
main.c: In function 'main':
main.c:19:1: error: expected declaration or statement at end of input
   19 | }
      | ^
Language: C

#include <stdio.h>
#include <string.h>
int main()
{
  char s[3];
  scanf("%s",&s);
  for(int i = 0 ; i<= 3; i++)
  {
    if(s[i] == s[i+1] ) 
    {
      printf("Bad\n");
      return 0;
    }
    else
    {
      printf("Good\n");
  	  return 0;
    }
}

Compiler output:
main.c: In function 'main':
main.c:19:1: error: expected declaration or statement at end of input
   19 | }
      | ^
Language: C++

#include <stdio.h>
#include <string.h>
int main()
{
  char s[3];
  scanf("%s",&s);
  for(int i = 0 ; i<= 3; i++)
  {
    if(s[i] == s[i+1] ) 
    {
      printf("Bad\n");
      return 0;
    }
    else
    {
      printf("Good\n");
  	  return 0;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:2: error: expected '}' at end of input
   19 | }
      |  ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
  string s; cin>>s;
  int cnt=0;
  for(int i=0; i<s.length()-1;　i++){
    if(s[i] == s[i+1]){
      cnt++;
    }
  }
  if(cnt==0){
    cout<<"Good"<<endl;
  }
  else{
    cout<<"Bad"<<endl;
  }
}

Compiler output:
a.cc:7:31: error: extended character 　 is not valid in an identifier
    7 |   for(int i=0; i<s.length()-1;　i++){
      |                               ^
a.cc: In function 'int main()':
a.cc:7:31: error: '\U00003000i' was not declared in this scope
    7 |   for(int i=0; i<s.length()-1;　i++){
      |                               ^~~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
  string s;
  int cnt=0;
  for(int i=0; i<s.length()-1;　i++){
    if(s[i] == s[i+1]){
      cnt++;
    }
  }
  if(cnt==0){
    cout<<"Good"<<endl;
  }
  else{
    cout<<"Bad"<<endl;
  }
}

Compiler output:
a.cc:7:31: error: extended character 　 is not valid in an identifier
    7 |   for(int i=0; i<s.length()-1;　i++){
      |                               ^
a.cc: In function 'int main()':
a.cc:7:31: error: '\U00003000i' was not declared in this scope
    7 |   for(int i=0; i<s.length()-1;　i++){
      |                               ^~~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
  string s;
  int cnt=0;
  for(int i=0; i<s.length-1;　i++){
    if(s[i] == s[i+1]){
      cnt++;
    }
  }
  if(cnt==0){
    cout<<"Good"<<endl;
  }
  else{
    cout<<"Bad"<<endl;
  }
}

Compiler output:
a.cc:7:29: error: extended character 　 is not valid in an identifier
    7 |   for(int i=0; i<s.length-1;　i++){
      |                             ^
a.cc: In function 'int main()':
a.cc:7:20: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
    7 |   for(int i=0; i<s.length-1;　i++){
      |                  ~~^~~~~~
      |                          ()
a.cc:7:29: error: '\U00003000i' was not declared in this scope
    7 |   for(int i=0; i<s.length-1;　i++){
      |                             ^~~
Language: C++

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

int main() {
    int n, l;
    cin >> n >> l;
    vector<int> a(n);
    rep(i, n) {
        a[i] = l+i;
    }
    int s = 0;
    rep(i, n) s += a[i];
    int ans = 1e9;
    rep(i, n) {
        int t = s-a[i];
        if (abs(t-s) < abs(ans-s)) ans = t;
    }
    cont << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:47: error: expected ';' before ')' token
    2 | #define rep(i, n) for (int i = 0; i < (n), i++)
      |                                               ^
a.cc:9:5: note: in expansion of macro 'rep'
    9 |     rep(i, n) {
      |     ^~~
a.cc:2:47: error: expected ';' before ')' token
    2 | #define rep(i, n) for (int i = 0; i < (n), i++)
      |                                               ^
a.cc:13:5: note: in expansion of macro 'rep'
   13 |     rep(i, n) s += a[i];
      |     ^~~
a.cc:2:47: error: expected ';' before ')' token
    2 | #define rep(i, n) for (int i = 0; i < (n), i++)
      |                                               ^
a.cc:15:5: note: in expansion of macro 'rep'
   15 |     rep(i, n) {
      |     ^~~
a.cc:19:5: error: 'cont' was not declared in this scope; did you mean 'const'?
   19 |     cont << ans << endl;
      |     ^~~~
      |     const
Language: C++

#include <iostream>
#include <string>
#include <vector>

using namespace std;


int main()
{
	string str;
	cin >> str;

	for (int i = 0; i < str.length - 1; i++) {
		if (str[i] == str[i + 1]) {
			cout << "Bad";
			return 0;
		}
	}
	cout << "Good";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:33: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   13 |         for (int i = 0; i < str.length - 1; i++) {
      |                             ~~~~^~~~~~
      |                                       ()
Language: C++

#include <iostream>
#include <string>

using namespace std;

int main()
{
  string str;
  cin >> str;
  for(int i = 0;i < 3;i++)
  {
    if(str[i] == str[i + 1])
    {
      cout << "Bad" << endl;
      return 0;
    }
  }
  cout << "Good" << endl;
  return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:19:12: error: expected '}' at end of input
   19 |   return 0;
      |            ^
a.cc:7:1: note: to match this '{'
    7 | {
      | ^
Language: C++

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

int main(){
  string s;
  cin >> s;
  string ret = "Good";
  for(int i = 0;i < s.length()-1;i++){
    if(s[i] == s[i+1]){
      ret = "Bad";
    }
  }
  cout << ret << wndl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:18: error: 'wndl' was not declared in this scope
   13 |   cout << ret << wndl;
      |                  ^~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <vector>
#include <queue>
#include <ctime>
#include <map>
 
using namespace std;
 
#define FOR(i,a,b) for (ll i = (a); i < (b); i++)
#define REP(i,n) FOR(i,0,n)
 
long gcd(long a, long b){
	if (a%b==0){
		return b;
	}
	else{
		return gcd(b,a%b);
	}
}
 
long lcm(long a, long b){
	return (a*b) / gcd(a,b);
}
 
template<typename A, typename B> inline bool chmax(A &a, B b) { if (a < b) { a = b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a > b) { a = b; return 1; } return 0; }
 
typedef long long ll;
 
const ll INF = 1ll<<60;
const ll MOD = 1000000007;
const double EPS = 1e-10;


int main(){
	int n, p_n -1;
	REP(i,n){
		cin >> n;
		
		if (!(n-p_n)){
			cout << "Bud" << endl;
			return 0;
		}
		p_n = n;
	}
	
	cout << "Good" << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:20: error: expected initializer before '-' token
   41 |         int n, p_n -1;
      |                    ^
a.cc:45:25: error: 'p_n' was not declared in this scope
   45 |                 if (!(n-p_n)){
      |                         ^~~
a.cc:49:17: error: 'p_n' was not declared in this scope
   49 |                 p_n = n;
      |                 ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define rep(i,n) for(ll i=0;i<n;++i)
#define loop(i,m,n) for(ll i=m;i<n;++i)
#define ggr getchar(); getchar();return 0;
#define pie 3.141592653589793238462643383279
#define elif else if
#define P pair<ll,ll>
const int inf = 1000000007;
int bin(int bina) {
	int ans = 0;
	for (int i = 0; bina > 0; i++)
	{
		ans = ans + (bina % 2) * pow(10, i);
		bina = bina / 2;
	}
	return ans;
}
bool prime(int n) {
	for (ll i = 2; i <= sqrt(n); i++) {
		if (n % i == 0)return false;
	}
	return n != 1;
}
int gcd(int x, int y) {
	if (y == 0)return x;
	return gcd(y, x % y);
}
int lcm(int x, int y) {
	return x * y / gcd(x, y);
}
int kai(int x) {
	if (x == 0)return 1;
	return kai(x - 1) * x % inf;
}
int mod_pow(int x, int y, int mod) {
	int res = 1;
	while (y > 0) {
		if (y & 1) {
			res = res * x % mod;
		}
		x = x * x % mod;#include <algorithm>
#include<stdio.h>
#include <cstdio>
#include <iostream>
#include <iomanip>
#include <string>
#include <algorithm>
#include <vector>
#include <math.h>
#include<stack>
#include <queue>
#include<map>
#include <set>
#include<math.h>
		y >>= 1;
	}
	return res;
}
int comb(int x, int y) {
	return kai(x)* mod_pow(kai(x - y), inf - 2, inf) % inf * mod_pow(kai(y), inf - 2, inf) % inf;
}
struct union_find {
	int par[200010], size_[200010];
	void init(int x) {
		rep(i, x) { par[i] = i; size_[i] = 1; }
	}
	int find(int x) {
		if (par[x] == x)return x;
		return par[x] = find(par[x]);
	}
	void unite(int x, int y) {
		x = find(x); y = find(y);
		if (x == y)return;
		if (size_[x] < size_[y]) {
			par[x] = y;
			size_[y] += size_[x];
		}
		else {
			par[y] = x;
			size_[x] += size_[y];
		}
	}
};
struct edge { int to, cost; };

signed main() {
	string s;
	cin>>s;
	rep(i,3){
		if(s[i]==s[i+1]){cout<<"Bad"<<endl;return 0;}
	}
	cout<<"Good"<<endl;
}





Compiler output:
a.cc:44:33: error: stray '#' in program
   44 |                 x = x * x % mod;#include <algorithm>
      |                                 ^
a.cc: In function 'long long int mod_pow(long long int, long long int, long long int)':
a.cc:44:34: error: 'include' was not declared in this scope
   44 |                 x = x * x % mod;#include <algorithm>
      |                                  ^~~~~~~
a.cc:44:43: error: 'algorithm' was not declared in this scope
   44 |                 x = x * x % mod;#include <algorithm>
      |                                           ^~~~~~~~~
In file included from a.cc:52:
/usr/include/c++/14/math.h:38:1: error: expected primary-expression before 'using'
   38 | using std::abs;
      | ^~~~~
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    String str = in.nextLine();
	in.close;
    String ans = "Good";
    if (str.charAt(0) == str.charAt(1) || str.charAt(1) == str.charAt(2) || str.charAt(2) == str.charAt(3)) {
      ans = "Bad";
    }
    System.out.println(ans);
  }
}

Compiler output:
Main.java:7: error: not a statement
	in.close;
	  ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int l,i,;
  string s;
  cin>>s;
  l=s.length();
  for (i=1;i<l;i++)
  {
    if (s[i]==s[i-1])
    {
      cout<<"Bad";
      return 0;
    }
  }
  cout<<"Good";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:11: error: expected unqualified-id before ';' token
    5 |   int l,i,;
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main()
{
char s[4];
scanf("%s",&s);
  for(int i=0;i<3;i++)
  {
    if(s[i]==s[i+1])
    {
      cout<<"Bad\n";
      break;
    }
  }
  if(i==3)
	   cout<<"Good\n"; 
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:6: error: 'i' was not declared in this scope
   16 |   if(i==3)
      |      ^
Language: C++

#include  <bits/stdc++.h>

using namespace std;

#define mp make_pair
#define fi first
#define se second
#define all(v) v.begin(),v.end()
#define allarr(a) a , a + n
#define ll long long
#define ull unsigned long long 
#define pb push_back
#define fastio ios_base::sync_with_stdio(false) ; cin.tie(NULL); cout.tie(NULL)
typedef pair<int, int> pi;
typedef pair<ll,ll> pll; 
typedef pair<int,pi> trp ;
typedef vector<pi> vpi;
typedef vector<pll> vpll ;
// int ab  (int  x ) { return (x>0?x:-x);}

const int N = 1e5+5 ; 
int x[N],y[N];
vector<int> samex [N] , samey[N] , adj[N];  
bool visited[N] ; 
set<int> xs , ys ; 
void dfs( int u ){
	visited[u]=1; 
	xs.insert((x[i]); 
	ys.insert(y[i]); 
	for(int v : adj[u]){
		if( !visited[v] )
			dfs ( v ) ; 
	}
}

int main(){
	int n ; 
	cin >> n ; 
	for(int i = 1 ; i <= n ; i++ ){
		cin >> x[i] >> y[i] ; 
		samex[x[i]].pb(i) ; 
		samey[y[i]].pb(i) ; 
	}
	ll ans = -n ; 
	for(int i = 1 ; i < N ; i++ ){
		if( samex[i].empty() && samey[i].empty() )continue ; 
		for(int j = 0 ;  j < (int)samex[i].size()-1 ; j ++ )
			adj[samex[i][j]].pb(samex[i][j+1]) ; 
		for(int j = 0 ; j < (int)samey[i].size() -1 ; j ++)
			adj[samey[i][j]].pb(samey[i][j+1]); 
	}
	for(int i = 1 ; i <= N ; i++ ){
		if( !visited[i] ){
		dfs ( i ) ; 
		ans += xs.size() * ys.size() ; 
		xs.clear() ; 
		ys.clear() ; 
		}
	}
}


Compiler output:
a.cc: In function 'void dfs(int)':
a.cc:28:22: error: 'i' was not declared in this scope
   28 |         xs.insert((x[i]);
      |                      ^
Language: C++

#include <iostream>

using namespace std;

int main(){
    int s;
    //sを定義
    cin >> s;
    //標準入力

    bool isgood = true;
    if (s[0] == s[1]) isgood = false;
    if (s[1] == s[2]) isgood = false;
    if (s[2] == s[3]) isgood = false;
    //隣り合う文字を比較して判定
    if (isgood){
        cout << "Good" << endl;
    } else {
        cout << "Bad" << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:10: error: invalid types 'int[int]' for array subscript
   12 |     if (s[0] == s[1]) isgood = false;
      |          ^
a.cc:12:18: error: invalid types 'int[int]' for array subscript
   12 |     if (s[0] == s[1]) isgood = false;
      |                  ^
a.cc:13:10: error: invalid types 'int[int]' for array subscript
   13 |     if (s[1] == s[2]) isgood = false;
      |          ^
a.cc:13:18: error: invalid types 'int[int]' for array subscript
   13 |     if (s[1] == s[2]) isgood = false;
      |                  ^
a.cc:14:10: error: invalid types 'int[int]' for array subscript
   14 |     if (s[2] == s[3]) isgood = false;
      |          ^
a.cc:14:18: error: invalid types 'int[int]' for array subscript
   14 |     if (s[2] == s[3]) isgood = false;
      |                  ^
Language: Java

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {

    public static void main(String[] args) {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
            String pin = reader.readLine();
            char[] chars = pin.toCharArray();
            char prev = ' ';
            boolean first = true;
            for (char c : chars) {
                if (!first) {
                    if (prev == c) {
                        System.out.println("Bad");
                        return;
                    }
                }
                first = false;
                prev = c;
            }
            System.out.println("Good");
        }
    }

}

Compiler output:
Main.java:7: error: unreported exception IOException; must be caught or declared to be thrown
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
                            ^
  exception thrown from implicit call to close() on resource variable 'reader'
Main.java:8: error: unreported exception IOException; must be caught or declared to be thrown
            String pin = reader.readLine();
                                        ^
2 errors
Language: Java

import java.util.Scanner;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int pin = sc.nextInt();
    char[] pinstr = null;
    try {
      pinstr = Integer.toString(pin).toCharArray();
    } catch (Exception ignored) {}
    if (pinstr[0] = pinstr[1]) {
      System.out.println("Bad");
      return;
    }
    if (pinstr[1] = pinstr[2]) {
      System.out.println("Bad");
      return;
    }
    if (pinstr[2] = pinstr[3]) {
      System.out.println("Bad");
      return;
    }
    System.out.println("Good");
  }

}

Compiler output:
Main.java:12: error: incompatible types: char cannot be converted to boolean
    if (pinstr[0] = pinstr[1]) {
                  ^
Main.java:16: error: incompatible types: char cannot be converted to boolean
    if (pinstr[1] = pinstr[2]) {
                  ^
Main.java:20: error: incompatible types: char cannot be converted to boolean
    if (pinstr[2] = pinstr[3]) {
                  ^
3 errors
Language: C++

#include<iostream>
#include<string>
#include<stack>/*** LIFO *** stack<type> var;
push(), top():to get data, pop():to remove, size(), empty() ***/
using namespace std;

#define Fp(I, STAT, END) for(int I = STAT; I < END; I++)
#define Fm(I, STAT, END) for(int I = STAT; I > END; I--)

int main(){
    string S;
    cin >> S;
    Fp(i, 0, 3){
        if(S[i] == S[i + 1]){
            cout << "Bad" << endl;
            return;
        }
    }
    cout << "Good" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:13: error: return-statement with no value, in function returning 'int' [-fpermissive]
   16 |             return;
      |             ^~~~~~
Language: Java

import java.util.Objects;
import java.util.Scanner;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int pin = sc.nextInt();
    try {
      String[] pinstr = Integer.toString(pin).split("");
    } catch (Exception ignored) {}
    if (Objects.equals(pinstr[0], pinstr[1])) {
      System.out.println("Bad");
      return;
    }
    if (Objects.equals(pinstr[1], pinstr[2])) {
      System.out.println("Bad");
      return;
    }
    if (Objects.equals(pinstr[2], pinstr[3])) {
      System.out.println("Bad");
      return;
    }
    System.out.println("Good");
  }
}

Compiler output:
Main.java:12: error: cannot find symbol
    if (Objects.equals(pinstr[0], pinstr[1])) {
                       ^
  symbol:   variable pinstr
  location: class Main
Main.java:12: error: cannot find symbol
    if (Objects.equals(pinstr[0], pinstr[1])) {
                                  ^
  symbol:   variable pinstr
  location: class Main
Main.java:16: error: cannot find symbol
    if (Objects.equals(pinstr[1], pinstr[2])) {
                       ^
  symbol:   variable pinstr
  location: class Main
Main.java:16: error: cannot find symbol
    if (Objects.equals(pinstr[1], pinstr[2])) {
                                  ^
  symbol:   variable pinstr
  location: class Main
Main.java:20: error: cannot find symbol
    if (Objects.equals(pinstr[2], pinstr[3])) {
                       ^
  symbol:   variable pinstr
  location: class Main
Main.java:20: error: cannot find symbol
    if (Objects.equals(pinstr[2], pinstr[3])) {
                                  ^
  symbol:   variable pinstr
  location: class Main
6 errors
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string a;
  int flag=0;
  cin>>a;
  for(i=0;i<3;i++){
    if(a[i]==a[i+1])
      flag=1;
  }
  if(flag==1) cout<<"Good"<<endl;
  else cout<<"Bad"<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: 'i' was not declared in this scope
    7 |   for(i=0;i<3;i++){
      |       ^
Language: Java

public class atcode {

	public static void main(String[] args) {
		String s = args[0];
		int count =0;
		for (int i = 1; i < s.length(); i++) {
			if (s.charAt(i) == s.charAt(i - 1)) {
				System.out.println("Bad");
				count++;
				break;
			}
		}
		if(count==0) {
			System.out.println("Good");
		}

	}

}


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

#include<stdio.h>

int main() {
  const char sec[3];
  bool con = true;
  
  scanf("%s" &sec);
  
  for (int i=1; i<4; i++) {
    if (sec[i]==sec[i-1]) con = false;
  }
  
  if (con) printf("Good\n");
  else printf("Bad\n");
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:14: error: uninitialized 'const sec' [-fpermissive]
    4 |   const char sec[3];
      |              ^~~
a.cc:7:14: error: invalid operands of types 'const char [3]' and 'const char [3]' to binary 'operator&'
    7 |   scanf("%s" &sec);
      |         ~~~~ ^~~~
      |         |     |
      |         |     const char [3]
      |         const char [3]
Language: C++

#include<stdio.h>

int main() {
  char sec[3];
  bool con = true;
  
  scanf("%s" &sec);
  
  for (int i=1; i<4; i++) {
    if (sec[i]==sec[i-1]) con = false;
  }
  
  if (con) printf("Good\n");
  else printf("Bad\n");
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: invalid operands of types 'const char [3]' and 'char [3]' to binary 'operator&'
    7 |   scanf("%s" &sec);
      |         ~~~~ ^~~~
      |         |     |
      |         |     char [3]
      |         const char [3]
Language: C++

#include<stdio.h>

int main() {
  char sec[4];
  bool con = true;
  
  scanf("%s" &sec);
  
  for (int i=1; i<4; i++) {
    if (sec[i]==sec[i-1]) con = false;
  }
  
  if (con) printf("Good\n");
  else printf("Bad\n");
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: invalid operands of types 'const char [3]' and 'char [4]' to binary 'operator&'
    7 |   scanf("%s" &sec);
      |         ~~~~ ^~~~
      |         |     |
      |         |     char [4]
      |         const char [3]
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
    string s;
    cin >> s;
    bool flag = false;
    for(int i = 0; i < s.length()-1; ++i)
    {
        if(s[i]==s[i+1]) flag=true,break;
    }
    if(flag) puts("Bad");
    else puts("Good");
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:36: error: expected primary-expression before 'break'
   12 |         if(s[i]==s[i+1]) flag=true,break;
      |                                    ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define int long long   // aaaaaaaaaaaaaaaaaa
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n;i>=a;i--)
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(),(x).rend()
#define in(s,x) s.find(x) != s.end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
#define SIZE(buff) (sizeof(buff)/sizeof(buff[0]))
typedef vector<int> VI;
typedef vector<vector<int> > VVI;
typedef long long ll;
typedef pair<int,int> PII;
typedef vector<pair<int,int>> VPII;
const ll mod=1000000007;
const ll INF= 1LL<<60-1;
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
template<class T> void chmin(T& a,const T& b) { if(a>b) a=b; }
template<class T> void chmax(T& a,const T& b) { if(a<b) a=b; }
template <class T>ostream &operator<<(ostream &o,const vector<T>&v)
{o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<<v[i];o<<"}";return o;}
template<typename T, typename U>ostream& operator << (ostream& os, pair<T, U>& pair_var)
{os << pair_var.first << " " << pair_var.second ;return os;}

// head


int m,n,k,res,tmp,tmp2,tmp3,h,w,x,y;
VI a;
deque<PII> que;
string s;
//VI b;
vector<PII> g[2100600];
int b[2100000];
int c[210] = {};
int rui[210000];
set<int> ch;
VI ab;
VI bb;

signed main() {
	cin.tie(0);
  ios::sync_with_stdio(false);
  cin>>s;
  flag = 1;
  if(s[0] == s[1])flag = 0;
  if(s[1]==s[2])flag = 0;
  if(s[2]==s[3])flag = 0;
  if(flag)cout << "Good" << '\n';
  else cout << "Bad" << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:51:3: error: 'flag' was not declared in this scope
   51 |   flag = 1;
      |   ^~~~
Language: C

#include<stdio.h>
int main(){
  char N[];
  scanf("%d", &N);
  for (int i = 0; i < N; i++){
    for (int j = 0; j < N; j++){
      if (N[i] == N[j]){
        printf("Bad");
      } else {
        printf("Good");
      }
    }
  }

Compiler output:
main.c: In function 'main':
main.c:3:8: error: array size missing in 'N'
    3 |   char N[];
      |        ^
main.c:5:21: warning: comparison between pointer and integer
    5 |   for (int i = 0; i < N; i++){
      |                     ^
main.c:6:23: warning: comparison between pointer and integer
    6 |     for (int j = 0; j < N; j++){
      |                       ^
main.c:13:3: error: expected declaration or statement at end of input
   13 |   }
      |   ^
Language: C++

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

#define REP(i, n) for(int i=0; i<n; i++)
#define REPR(i, n) for(int i=n-1; i>=0; i--)
#define FOR(i, m, n) for(int i=m; i<n; i++)

#define INF 2e9
#define ll long long

int main(){
    string s;
    cin>>s;
    for(i=1; i<=3; i++){
        if(s[i] == s[i-1]){
            cout<<"Bad"<<endl;
            return 0;
        }
    }
    cout<<"Good"<<endl;
    

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: 'i' was not declared in this scope
   14 |     for(i=1; i<=3; i++){
      |         ^
Language: C

#include<stdio.h>
int main()
{

	typedef char str[1024];

	scanf("%c",&str);

	if(str[0]==str[1]||str[1]==str[2]||str[2]==str[3]){
		printf("Bad");
	}else{
		printf("Good");
	}
}

Compiler output:
main.c: In function 'main':
main.c:7:21: error: expected expression before 'str'
    7 |         scanf("%c",&str);
      |                     ^~~
main.c:9:12: error: expected expression before 'str'
    9 |         if(str[0]==str[1]||str[1]==str[2]||str[2]==str[3]){
      |            ^~~
Language: C

#include<stdio.h>
int main()
  
{
	typedef char str[1024]

	scanf("%c",&str);

	if(str[0]==str[1]||str[1]==str[2]||str[2]==str[3]){
		printf("Bad");
	}else{
		printf("Good");
	}
}

Compiler output:
main.c: In function 'main':
main.c:7:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    7 |         scanf("%c",&str);
      |         ^~~~~
main.c:7:21: error: 'str' undeclared (first use in this function)
    7 |         scanf("%c",&str);
      |                     ^~~
main.c:7:21: 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(){
  string s; cin>>s;
  for(int i=0;i<s.size()-1;i++){
    if(s[i]==s[i+1]){
      cout<<“Bad”<<endl;
      return 0;
  }
  cout<<“Good”<<endl;
}

Compiler output:
a.cc:8:13: error: extended character “ is not valid in an identifier
    8 |       cout<<“Bad”<<endl;
      |             ^
a.cc:8:13: error: extended character ” is not valid in an identifier
a.cc:11:9: error: extended character “ is not valid in an identifier
   11 |   cout<<“Good”<<endl;
      |         ^
a.cc:11:9: error: extended character ” is not valid in an identifier
a.cc: In function 'int main()':
a.cc:8:13: error: '\U0000201cBad\U0000201d' was not declared in this scope
    8 |       cout<<“Bad”<<endl;
      |             ^~~~~
a.cc:11:9: error: '\U0000201cGood\U0000201d' was not declared in this scope
   11 |   cout<<“Good”<<endl;
      |         ^~~~~~
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
  string s; cin>>s;
  for(int i=0;I<s.size()-1;i++){
    if(s[i]==s[i+1]){
      cout<<“Bad”<<endl;
      return 0;
  }
  cout<<“Good”<<endl;
}

Compiler output:
a.cc:8:13: error: extended character “ is not valid in an identifier
    8 |       cout<<“Bad”<<endl;
      |             ^
a.cc:8:13: error: extended character ” is not valid in an identifier
a.cc:11:9: error: extended character “ is not valid in an identifier
   11 |   cout<<“Good”<<endl;
      |         ^
a.cc:11:9: error: extended character ” is not valid in an identifier
a.cc: In function 'int main()':
a.cc:6:15: error: 'I' was not declared in this scope
    6 |   for(int i=0;I<s.size()-1;i++){
      |               ^
a.cc:8:13: error: '\U0000201cBad\U0000201d' was not declared in this scope
    8 |       cout<<“Bad”<<endl;
      |             ^~~~~
a.cc:11:9: error: '\U0000201cGood\U0000201d' was not declared in this scope
   11 |   cout<<“Good”<<endl;
      |         ^~~~~~
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
  string s;
  cin >> s;
  for(int i = 1; i < 4; i++){
    if(s[i] == s[i-1]){
      cout << "Bad";
      return 0;
    }
  }
  cout << "Good";
}

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;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
 
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define FOR(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define FORR(i, a, b) for (int i = (int)(b)-1; i >= (int)(a); i--)
 
#define CHMIN(a, b) (a) = min((a), (b))
#define CHMAX(a, b) (a) = max((a), (b))
 
#define DEBUG(x) cout << #x << ": " << (x) << endl
#define PRINT(x) cout << x << endl
#define all(x) x.begin(),x.end()
 
 
int main() {
 
    string s;
    cin >> s;
 
    string prev = 'A';
 
    for(int i=0;i<4;i++){
        if(prev[0]==s[i]){
            cout << "Bad" << endl;
            return 0;
        }
        prev[0] = s[i];
    }
 
    cout<< "Good" << endl;
    return 1;
 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:19: error: conversion from 'char' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   27 |     string prev = 'A';
      |                   ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  ios::base_sync_with_stdio(false);
 string s;
 cin >> s;
 bool flag = true;
 for(int i =1 ; i < s.size() ; i++){
 	if(s[i]==s[i-1]){
      flag = false;
      break ;
    }
 }
 cout << (flag?"Good":"Bad") << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:8: error: 'base_sync_with_stdio' is not a member of 'std::ios' {aka 'std::basic_ios<char>'}
    4 |   ios::base_sync_with_stdio(false);
      |        ^~~~~~~~~~~~~~~~~~~~
Language: Java

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

import static java.lang.Math.*;

public class ABC131A {
  public static void main(String[] args) {
    new ABC131A().solve();
  }

  private void solve() {
    try(InputReader in = new InputReader(System.in);
        PrintWriter out = new PrintWriter(System.out)) {

      String s = in.next();

      boolean isGood =
        s.charAt(0) != s.charAt(1) && s.charAt(1) != s.charAt(2) && s.charAt(2) != s.charAt(3)
        ? true : false;

      String ans = isGood ? "Good" : "Bad";
      out.println(ans);
    }
    catch(IOException e) {
      System.err.println(e);
    }
  }

  int atoi(String s) { return Integer.parseInt(s); }
  long atol(String s) { return Long.parseLong(s); }

  static class InputReader implements AutoCloseable {
    public BufferedReader br;
    public StringTokenizer st;

    public InputReader(InputStream stream) {
      br = new BufferedReader(new InputStreamReader(stream), 32768);
      st = null;
    }
    public String next() {
      if (st == null || !st.hasMoreTokens()) {
        try { st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          throw new UncheckedIOException(e);
        }
      }
      return st.nextToken();
    }
    public int nextInt() { return Integer.parseInt(next()); }
    public long nextLong() { return Long.parseLong(next()); }
    int[] mapInt(int len) {
      int[] ret = new int[len];
      for (int i = 0; i < len; i++) ret[i] = Integer.parseInt(next());
      return ret;
    }
    long[] mapLong(int len) {
      long[] ret = new long[len];
      for (int i = 0; i < len; i++) ret[i] = Long.parseLong(next());
      return ret;
    }
    @Override public void close() throws IOException { br.close(); }
  }
}

Compiler output:
Main.java:6: error: class ABC131A is public, should be declared in a file named ABC131A.java
public class ABC131A {
       ^
1 error
Language: Java

package practice;

import java.util.Scanner;

public class A_Security {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String code_st = scan.next();
		Integer.parseInt(code_st);
		int[] code = new int[4];
		code[0] = Integer.parseInt(code_st.substring(0, 1));
		for (int i = 1; i < 4; i++) {
			code[i] = Integer.parseInt(code_st.substring(i, i + 1));
			if (code[i - 1] == code[i]) {
				System.out.println("bad");
				return;
			}
		}
		System.out.println("good");
		return;
	}
}


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

import sequtils,strutils
var
    S = stdin.readline
    f = true
for i in 1..S.high:
    if S[i] == S[i - 1]:
        f = false

if f:
    echo "Good"
else:
    echo "Bad"


Compiler output:
a.cc:5:10: error: too many decimal points in number
    5 | for i in 1..S.high:
      |          ^~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sequtils,strutils
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include<iostream>
int main(){
  string s;
  while(cin>>s){
    for(int i=0;i<(int)s.size()-1;++i) if(s[i]=s[i+1]){
    cout<<"Bad"<<end;
      return 0;
    }
    cout<<"good"<<endl;
  }
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'string' was not declared in this scope
    3 |   string s;
      |   ^~~~~~
a.cc:3:3: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:4:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   while(cin>>s){
      |         ^~~
      |         std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:4:14: error: 's' was not declared in this scope
    4 |   while(cin>>s){
      |              ^
a.cc:6:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |     cout<<"Bad"<<end;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:18: error: 'end' was not declared in this scope; did you mean 'std::end'?
    6 |     cout<<"Bad"<<end;
      |                  ^~~
      |                  std::end
In file included from /usr/include/c++/14/string:53:
/usr/include/c++/14/bits/range_access.h:116:37: note: 'std::end' declared here
  116 |   template<typename _Tp> const _Tp* end(const valarray<_Tp>&) noexcept;
      |                                     ^~~
a.cc:9:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |     cout<<"good"<<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:9:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |     cout<<"good"<<endl;
      |                   ^~~~
      |                   std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C

#include <iostream>
#include <string>
#define llt long long int

using namespace std;
int main()
{
    string s;
    cin >> s;

    for (int i = 0; i < 3; i++)
    {
        if (s[i] == s[i + 1])
        {
            cout << "Bad" << endl;
            return 1;
        }
    }

    cout << "Good" << 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>
#define pans cout<<ans<<endl;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;

int main(){
  	string s;cin>>s;
    bool flag=false;
  	for(int i=0;i<3;i++){
      if(s[i]==s[i+1]){
        flag=true;
      }
    }
  int a=0
  	for(int i=0;i<10000;i++){
      a+=1;
    }
  	if(flag){
      cout<<"Bad"<<endl;
    }else{
      cout<<"Good"<<endl;
    }
  
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: expected ',' or ';' before 'for'
   15 |         for(int i=0;i<10000;i++){
      |         ^~~
a.cc:15:21: error: 'i' was not declared in this scope
   15 |         for(int i=0;i<10000;i++){
      |                     ^
Language: Java

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(Syste.in);
    String line = sc.nextLine();

    char[] inArray = line.toCharArray();
    char tmp = inArray[0];
    String rtval = "Good";

    for(int i = 1; i < 4; i++) {
      if(tmp == inArray[i]){
        rtval = "Bad";
        break;
      }
      tmp = inArray[i];
    }

    System.out.println(rtval);
  }
}

Compiler output:
Main.java:6: error: cannot find symbol
    Scanner sc = new Scanner(Syste.in);
                             ^
  symbol:   variable Syste
  location: class Main
1 error
Language: C++

int main() {
  string pass;
  cin >> pass;
  for (size_t i = 0; i < pass.size() - 1; ++i) {
    char cur = pass[i];
    char next = pass[i + 1];
    if (cur == next) return false;
  }
  return true;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:3: error: 'string' was not declared in this scope
    2 |   string pass;
      |   ^~~~~~
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> pass;
      |   ^~~
a.cc:3:10: error: 'pass' was not declared in this scope
    3 |   cin >> pass;
      |          ^~~~
a.cc:4:8: error: 'size_t' was not declared in this scope
    4 |   for (size_t i = 0; i < pass.size() - 1; ++i) {
      |        ^~~~~~
a.cc:1:1: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
  +++ |+#include <cstddef>
    1 | int main() {
a.cc:4:22: error: 'i' was not declared in this scope
    4 |   for (size_t i = 0; i < pass.size() - 1; ++i) {
      |                      ^
Language: C++

import math
e = list(map(int,input().split()))
a,b,c,d = e
def sums(x):
    S1 = x//c
    S2 = x//d
    S3 = x//(c*d // math.gcd(c,d))
    return x - S1 - S2 + S3

print(sums(b)-sums(a-1))

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import math
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,f=-1;
	scanf("%d",&a);
	while(a!=0)
	{
		if(a%10==f)
		{
			printf("Bad");
			return 0;
		}
		f=a%10;
		a/=10;
	} 
	printf("Good");
	return 0
 } 

Compiler output:
a.cc: In function 'int main()':
a.cc:18:17: error: expected ';' before '}' token
   18 |         return 0
      |                 ^
      |                 ;
   19 |  }
      |  ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,f=-1;
	scanf("%d",&a);
	while(a!=0)
	{
		if(a%10==f)
		{
			printf("Bad");
			return 0;
		}
		f=a%10;
		a/=10
	} 
	printf("Good");
	return 0
 } 

Compiler output:
a.cc: In function 'int main()':
a.cc:15:22: error: expected ';' before '}' token
   15 |                 a/=10
      |                      ^
      |                      ;
   16 |         }
      |         ~             
a.cc:18:17: error: expected ';' before '}' token
   18 |         return 0
      |                 ^
      |                 ;
   19 |  }
      |  ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
  string S;
  cin>>S;
  for(int i=0;i<3;i++) 
  	if(S[i]==S[i+1]){
    	cout<<"Bad"<<endl;
      return 0;
    }
  }
  cout<<"Good"<<endl;
  return 0;
}


Compiler output:
a.cc:13:3: error: 'cout' does not name a type
   13 |   cout<<"Good"<<endl;
      |   ^~~~
a.cc:14:3: error: expected unqualified-id before 'return'
   14 |   return 0;
      |   ^~~~~~
a.cc:15:1: error: expected declaration before '}' token
   15 | }
      | ^
Language: C++

#include<cstdio>
using namespace std;
int main(){
  int flag=0,x;
  char s[5]
  scanf("%s",s);
  for(int i=0;i<3;i++){
    if(s[i]==s[i+1]){
      flag=1;
    }
  }
  if(flag){
    printf("Bad\n");
  }
  else{
    printf("Good\n");
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: expected initializer before 'scanf'
    6 |   scanf("%s",s);
      |   ^~~~~
a.cc:8:8: error: 's' was not declared in this scope
    8 |     if(s[i]==s[i+1]){
      |        ^