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

include<iostream>
include<stdio.h>
using namespace std;

int main(){
  int S
  int S=1000*a+100*b+10*c+d
  cin>>a>>b>>c>>d;
  if(a==b){
    cout<<"Bad";
  }else if(b==c){
    cout<<"Bad";
  }else if(c==d){
    cout<<"Bad";
  }else{
    cout<<"Good";
  }
  cout endl;
return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: expected initializer before 'int'
    7 |   int S=1000*a+100*b+10*c+d
      |   ^~~
a.cc:9:6: error: 'a' was not declared in this scope
    9 |   if(a==b){
      |      ^
a.cc:9:9: error: 'b' was not declared in this scope
    9 |   if(a==b){
      |         ^
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<"Bad";
      |     ^~~~
a.cc:11:15: error: 'c' was not declared in this scope
   11 |   }else if(b==c){
      |               ^
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout<<"Bad";
      |     ^~~~
a.cc:13:15: error: 'd' was not declared in this scope
   13 |   }else if(c==d){
      |               ^
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<"Bad";
      |     ^~~~
a.cc:16:5: error: 'cout' was not declared in this scope
   16 |     cout<<"Good";
      |     ^~~~
a.cc:18:3: error: 'cout' was not declared in this scope
   18 |   cout endl;
      |   ^~~~
Language: C++

include<iostream>
include<stdio.h>
using namespace std;

int main(){
  int S=1000*a+100*b+10*c+d
  cin>>a>>b>>c>>d;
  if(a==b){
    cout<<"Bad";
  }else if(b==c){
    cout<<"Bad";
  }else if(c==d){
    cout<<"Bad";
  }else{
    cout<<"Good";
  }
  cout endl;
return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:14: error: 'a' was not declared in this scope
    6 |   int S=1000*a+100*b+10*c+d
      |              ^
a.cc:6:20: error: 'b' was not declared in this scope
    6 |   int S=1000*a+100*b+10*c+d
      |                    ^
a.cc:6:25: error: 'c' was not declared in this scope
    6 |   int S=1000*a+100*b+10*c+d
      |                         ^
a.cc:6:27: error: 'd' was not declared in this scope
    6 |   int S=1000*a+100*b+10*c+d
      |                           ^
a.cc:9:5: error: 'cout' was not declared in this scope
    9 |     cout<<"Bad";
      |     ^~~~
a.cc:11:5: error: 'cout' was not declared in this scope
   11 |     cout<<"Bad";
      |     ^~~~
a.cc:13:5: error: 'cout' was not declared in this scope
   13 |     cout<<"Bad";
      |     ^~~~
a.cc:15:5: error: 'cout' was not declared in this scope
   15 |     cout<<"Good";
      |     ^~~~
a.cc:17:3: error: 'cout' was not declared in this scope
   17 |   cout endl;
      |   ^~~~
Language: C++

include<iostream>
using namespace std;

int main(){
  int a,b,c,d
  cin>>a>>b>>c>>d;
  if(a==b){
    cout<<"Bad";
  }else if(b==c){
    cout<<"Bad";
  }else if(c==d){
    cout<<"Bad";
  }else{
    cout<<"Good";
  }
  cout endl;
return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: expected initializer before 'cin'
    6 |   cin>>a>>b>>c>>d;
      |   ^~~
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<"Bad";
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<"Bad";
      |     ^~~~
a.cc:11:15: error: 'd' was not declared in this scope
   11 |   }else if(c==d){
      |               ^
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout<<"Bad";
      |     ^~~~
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<"Good";
      |     ^~~~
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout endl;
      |   ^~~~
Language: C++

include<iostream>
using namespace std;

int main(){
  int a,b,c,d
  cin>>a>>b>>c>>d;
  if(a=b){
    cout<<"Bad";
  }else if(b=c){
    cout<<"Bad";
  }else if(c=d){
    cout<<"Bad";
  }else{
    cout<<"Good";
  }
  cout endl;
return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: expected initializer before 'cin'
    6 |   cin>>a>>b>>c>>d;
      |   ^~~
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<"Bad";
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<"Bad";
      |     ^~~~
a.cc:11:14: error: 'd' was not declared in this scope
   11 |   }else if(c=d){
      |              ^
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout<<"Bad";
      |     ^~~~
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<"Good";
      |     ^~~~
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout endl;
      |   ^~~~
Language: C++

include<iostream>
using namespace std;

int main(){
  int abcd;
  cin>>a>>b>>c>>d;
  if(a=b){
    cout<<"Bad";
  }else if(b=c){
    cout<<"Bad";
  }else if(c=d){
    cout<<"Bad";
  }else{
    cout<<"Good";
  }
  cout endl;
return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>a>>b>>c>>d;
      |   ^~~
a.cc:6:8: error: 'a' was not declared in this scope
    6 |   cin>>a>>b>>c>>d;
      |        ^
a.cc:6:11: error: 'b' was not declared in this scope
    6 |   cin>>a>>b>>c>>d;
      |           ^
a.cc:6:14: error: 'c' was not declared in this scope
    6 |   cin>>a>>b>>c>>d;
      |              ^
a.cc:6:17: error: 'd' was not declared in this scope
    6 |   cin>>a>>b>>c>>d;
      |                 ^
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<"Bad";
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<"Bad";
      |     ^~~~
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout<<"Bad";
      |     ^~~~
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<"Good";
      |     ^~~~
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout endl;
      |   ^~~~
Language: C++

include<iostream>
using namespace std;

int main(){
  int a,b,c,d;
  cin>>a>>b>>c>>d;
  if(a=b){
    cout<<"Bad";
  }else if(b=c){
    cout<<"Bad";
  }else if(c=d){
    cout<<"Bad";
  }else{
    cout<<"Good";
  }
  cout endl;
return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>a>>b>>c>>d;
      |   ^~~
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<"Bad";
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<"Bad";
      |     ^~~~
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout<<"Bad";
      |     ^~~~
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<"Good";
      |     ^~~~
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout endl;
      |   ^~~~
Language: C++

#include <iostream>
using namespace std;
 
int main()
{
  int s[4]
  cin >> s;
  int i, tmp = s[0];
  bool flag = true;
  for(i=1; i<4; i++){
    if(s[i] == tmp){
      flag = false;
      break;
    }
  }
  
  if(flag)
    cout << "Good";
  else
    cout << "Bad";
  cout << endl;
  
  return 0;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected initializer before 'cin'
    7 |   cin >> s;
      |   ^~~
a.cc:8:16: error: 's' was not declared in this scope
    8 |   int i, tmp = s[0];
      |                ^
Language: C++

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

bool solve(vector<int> &ans){
    int p[100][100] = {};
    int n, k; cin >> n >> k;
    if(n == 0 && k == 0) return false;
    
    for(int i = 0; i < k; i++){
        int com; cin >> com;
        if(com  == 0){
            int a, b; cin >> a >> b;
            int dp[100];
            queue<int> q;
            q.push_back(a);
            while(!q.empty()){
                int t = q.front();
                q.pop_front();
                for(int u = 0; u < 100; u++){
                    if(p[t][u] == 0) continue;
                    int e = p[t][u] + dp[t];
                    if(e >= dp[u]) continue;
                    q.push_back();
                    
                }
            }
        }
        else{
            int c, d, e; cin >> c >> d >> e;
            p[c][d] = p[d][c] = min(p[d][c], e);
        }
    }
    
    return true;
}

int main(){
    int subset = 0;
    vector<int> ans[6];
    for(int s = 0; s < 6; s++){
        if(solve(ans[s]) subset++;
        else break;
    }
    for(int s = 0; s < subset; s++){
        for(int i = 0; i < ans.size(); i++){
            cout << ans[s][i] << endl;
        }
    }
}


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

#include <bits/stdc++.h>

using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: return-statement with no value, in function returning 'int' [-fpermissive]
   11 |       return;
      |       ^~~~~~
Language: Java

import java.io.*;
import java.util.*;
class Security{
  public static void main(String[] args){
    String security_code;
    Scanner s = new Scanner(System.in);
    security_code = s.nextLine();
    bool is_bad = false;
    for(int i=0;i<security_code.length()-1;i++){
      if(security_code[i] == security_code[i+1]){
        is_bad = true;
        break;
      }
    }
    if(is_bad){
      System.out.println("Bad");
    }else{
      System.out.println("Good");
    }
  }
}


Compiler output:
Main.java:8: error: cannot find symbol
    bool is_bad = false;
    ^
  symbol:   class bool
  location: class Security
Main.java:10: error: array required, but String found
      if(security_code[i] == security_code[i+1]){
                      ^
Main.java:10: error: array required, but String found
      if(security_code[i] == security_code[i+1]){
                                          ^
3 errors
Language: Java

import java.io.*;
import java.util.*;
class Security{
  public static void main(String[] args){
    String security_code;
    Scanner s = new Scanner(System.in);
    security_code = s.nextLine();
    bool is_bad = false;
    for(int i=0;i<security_code.length()-1;i++){
      if(security_code[i] == security_code[i+1]){
        is_bad = true;
        break;
    }
    if(is_bad){
      System.out.println("Bad");
    }else{
      System.out.println("Good");
    }
  }
}

Compiler output:
Main.java:20: error: reached end of file while parsing
}
 ^
1 error
Language: C++

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

int main()
{
  string S;
  cin>>S;
  bool flag = true;
  for(int i=0;i<3;i++)
  {
    if(S[i]==S[i+1])
    {
      flag = false;  
  	  break;
    }
    if(flag)
      cout<<"Good\n";
    else
      cout<<"Bad\n";
    
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:2: error: expected '}' at end of input
   23 | }
      |  ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
bool a[101]={};
void pp(int n){
  for(int i = 1;i<=n;i++){
    a[i] = 1;
  }
  return 0;
}

void qq(int n){
  for(int i = n;i<=100;i++){
    a[i] = 1;
  }
  return 0;
}

void rr(int n){
  for(int i = 1;i<=100;i++){
    if(i%n!=0){
      a[i] = 1;
    }
  }
  return 0;
}


int main(){
  int n;
  cin>>n;
  char q;
  int s;
  for(int i = 0;i<n;i++){
    cin>>q;
    cin>>s;
    if(q =='<'){
      qq(n);
      
    }
    else if(q =='>'){
      pp(n);
    }
    else{
      rr(n);
    }
  }
  for(int i = 1;i<=100;i++){
    if(a[i] == 0){
      cout << i << endl;
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'void pp(int)':
a.cc:9:10: error: return-statement with a value, in function returning 'void' [-fpermissive]
    9 |   return 0;
      |          ^
a.cc: In function 'void qq(int)':
a.cc:16:10: error: return-statement with a value, in function returning 'void' [-fpermissive]
   16 |   return 0;
      |          ^
a.cc: In function 'void rr(int)':
a.cc:25:10: error: return-statement with a value, in function returning 'void' [-fpermissive]
   25 |   return 0;
      |          ^
Language: C

#inlude <stdio.h>
int main()
{
 int number[4];
  int i,flag=1;
  for(i=3;i>=0;i--){
    if(number[i]!=number[i-1]) continue;
    else flag=0;
  }
  if(flag==1) printf("good");
  else printf("bad");
  return 0;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inlude; did you mean #include?
    1 | #inlude <stdio.h>
      |  ^~~~~~
      |  include
main.c: In function 'main':
main.c:10:15: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 |   if(flag==1) printf("good");
      |               ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | #inlude <stdio.h>
main.c:10:15: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   10 |   if(flag==1) printf("good");
      |               ^~~~~~
main.c:10:15: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:11:8: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   11 |   else printf("bad");
      |        ^~~~~~
main.c:11:8: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#inlude <stdio.h>
int main()
{
 int number[4];
  int i,flag=1;
  for(i=3;i>=0;i--){
    if(number[i]!=number[i-1]) continue;
    else flag=0;
  }
  if(flag==1) printf("good");
  else printf("bad");
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inlude; did you mean #include?
    1 | #inlude <stdio.h>
      |  ^~~~~~
      |  include
main.c: In function 'main':
main.c:10:15: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 |   if(flag==1) printf("good");
      |               ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | #inlude <stdio.h>
main.c:10:15: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   10 |   if(flag==1) printf("good");
      |               ^~~~~~
main.c:10:15: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:11:8: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   11 |   else printf("bad");
      |        ^~~~~~
main.c:11:8: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:50: error: break statement not within loop or switch
    7 |   for(int i=0;i<3;i++)if(n[i]==n[i+1])ans="Bad"; break;
      |                                                  ^~~~~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:27: error: invalid types 'int[int]' for array subscript
    7 |   for(int i=0;i<3;i++)if(n[i]==n[i+1])ans="Bad"; break;
      |                           ^
a.cc:7:33: error: invalid types 'int[int]' for array subscript
    7 |   for(int i=0;i<3;i++)if(n[i]==n[i+1])ans="Bad"; break;
      |                                 ^
a.cc:7:50: error: break statement not within loop or switch
    7 |   for(int i=0;i<3;i++)if(n[i]==n[i+1])ans="Bad"; break;
      |                                                  ^~~~~
Language: C

#include<stdio.h>

int main(){
  int i, temp;
  char num[4];
  bool bad_frag = false;
  
  scanf("%s", num);
  temp = num[0];
  
  for(i = 1; i <=3 ; i++){
    if(num[i] == temp){
      bad_frag = true;
    }
    temp = num[i];
  }
  
  if(bad_frag){
    printf("Bad");
  }else{
    printf("Good");
  }
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: unknown type name 'bool'
    6 |   bool bad_frag = false;
      |   ^~~~
main.c:2:1: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include<stdio.h>
  +++ |+#include <stdbool.h>
    2 | 
main.c:6:19: error: 'false' undeclared (first use in this function)
    6 |   bool bad_frag = false;
      |                   ^~~~~
main.c:6:19: note: 'false' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
main.c:6:19: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:18: error: 'true' undeclared (first use in this function)
   13 |       bad_frag = true;
      |                  ^~~~
main.c:13:18: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
Language: C

#include <stdio>
int main() {
    int a,b,c,d; 
    scanf("%d",&a);
    scanf("%d",&b);
    scanf("%d",&c);
    scanf("%d",&d);
    if(a==b || b==c || c==d){
       printf("Bad\n");
    }else pintf("Good\n");
    return 0;
}


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

#include<stdio.h>
int main() {
    int a,b,c,d,e;
    scanf("%4d",&a);
    b=a/1000;
    c=(a-b*1000)/100;
    d=(a-b*100-c*100)/10;
    e=(a-b*100-c*100-d*10);
    if(b==c || c==d || d==e){
       printf("Bad");
    }else pintf("Good");
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:11: error: implicit declaration of function 'pintf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   11 |     }else pintf("Good");
      |           ^~~~~
      |           printf
Language: C

#include <stdio>
int main() {
    int a,b,c,d,e;
    scanf("%4d",&a);
     b=a/1000;
     c=(a-b*1000)/100;
     d=(a-b*100-c*100)/10;
     e=(a-b*100-c*100-d*10);
    if(b==c || c==d || d==e){
       printf("Bad\n");
    }else pintf("Good\n");
    return 0;
}

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

#include<stdio.h>
int main() {
    int a,b,c,d; 
    scanf("%d",&a);
    scanf("%d",&b);
    scanf("%d",&c);
    scanf("%d",&d);
    if(a==b || b==c || c==d){
       printf("Bad\n");
    }else pintf("Good\n");
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:11: error: implicit declaration of function 'pintf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   10 |     }else pintf("Good\n");
      |           ^~~~~
      |           printf
Language: C

#include <stdio.h>
int main() {
    int a,b,c,d,e;
    scanf("%d",&a);
     b=a/1000;
     c=(a-b*1000)/100;
     d=(a-b*1000-c*100)/10;
     e=(a-b*1000-c*100-d*10);
    if(b==c || c==d || d==e){
       printf("Bad\n");
    }else pintf("Good\n");
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:11: error: implicit declaration of function 'pintf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   11 |     }else pintf("Good\n");
      |           ^~~~~
      |           printf
Language: C

#include<stdio.h>
int main() {
    int a,b,c,d,e;
    scanf("%4d",&a);
     b=a/1000;
     c=(a-b*1000)/100;
     d=(a-b*100-c*100)/10;
     e=(a-b*100-c*100-d*10);
    if(b==c || c==d || d==e){
       printf("Bad\n");
    }else pintf("Good\n");
    return 0;
}
  

Compiler output:
main.c: In function 'main':
main.c:11:11: error: implicit declaration of function 'pintf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   11 |     }else pintf("Good\n");
      |           ^~~~~
      |           printf
Language: C

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

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

Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <stdio.h>

int main() {
  int i;
  scanf("%d". &i);
  int a, b, c, d;
  d = i % 10;
  c = i % 100 / 10;
  b = i % 1000 / 100;
  a = i / 1000;
  
  if (a == b || b == c || c == d) {
    printf("Bad\n");
  } else {
    printf("Good\n");
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:15: error: expected unqualified-id before '&' token
    5 |   scanf("%d". &i);
      |               ^
Language: C++

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

int main() {
    string s; ,answer="Good";
  	cin >>s;
    for(int i=0;i<4;++i){
        if(s.at(i)==s.at(i+1)){
            answer="Bad";
            break;
        }
    }
    cout <<answer<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:5:15: error: expected primary-expression before ',' token
    5 |     string s; ,answer="Good";
      |               ^
a.cc:5:16: error: 'answer' was not declared in this scope
    5 |     string s; ,answer="Good";
      |                ^~~~~~
Language: C++

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

int main() {
    string s; answer="Good";
  	cin >>s;
    for(int i=0;i<4;++i){
        if(s.at(i)==s.at(i+1)){
            answer="Bad";
            break;
        }
    }
    cout <<answer<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:5:15: error: 'answer' was not declared in this scope
    5 |     string s; answer="Good";
      |               ^~~~~~
Language: C++

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

int main() {
    string s;
    for(int i=0;i<s.size();++i){
        if(s.size(i)==s.size(i+1)){
            cout << "Bad" <<endl;
            break;
        }
        else if(i>=3){
            cout <<"Good" <<endl;
            break;
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: no matching function for call to 'std::__cxx11::basic_string<char>::size(int&)'
    7 |         if(s.size(i)==s.size(i+1)){
      |            ~~~~~~^~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:1076:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note:   candidate expects 0 arguments, 1 provided
a.cc:7:29: error: no matching function for call to 'std::__cxx11::basic_string<char>::size(int)'
    7 |         if(s.size(i)==s.size(i+1)){
      |                       ~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note:   candidate expects 0 arguments, 1 provided
Language: C++

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

int main() {
    string s;
    for(int i=0;i<s.size();++i){
        if(s.size(i)!=s.size(i+1)){
            continue;
        }
        else{
            cout <<"Good" <<endl;
            break;
        }

    }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: no matching function for call to 'std::__cxx11::basic_string<char>::size(int&)'
    7 |         if(s.size(i)!=s.size(i+1)){
      |            ~~~~~~^~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:1076:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note:   candidate expects 0 arguments, 1 provided
a.cc:7:29: error: no matching function for call to 'std::__cxx11::basic_string<char>::size(int)'
    7 |         if(s.size(i)!=s.size(i+1)){
      |                       ~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note:   candidate expects 0 arguments, 1 provided
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main() {
    string s;
	cin >> s;
  
  	cout << (s[0] == s[1] || s[1] == s[2] || s[2] == s[3]) ? "Bad" : "Good" << endl;;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:81: error: invalid operands of types 'const char [5]' and '<unresolved overloaded function type>' to binary 'operator<<'
    9 |         cout << (s[0] == s[1] || s[1] == s[2] || s[2] == s[3]) ? "Bad" : "Good" << endl;;
      |                                                                          ~~~~~~~^~~~~~~
Language: C++

#include <iostream>
using namespace std;

void main()
{
	int i;
	char s[5];
	cin >> s;
	for( i = 0 ; i < 3 ; i ++ )
	{
		if( s[ i ] == s[ i + 1 ] )
			break;
	}
	if( i == 3 )
		cout << "Good";
	else
		cout << "Bad";
}

Compiler output:
a.cc:4:1: error: '::main' must return 'int'
    4 | void main()
      | ^~~~
Language: C++

#include<stdio.h>

int main(void)
{
    char s[5];
    scanf("%s",s);
    int i;
  	for( i = 0 ; s[i] != '\n'　； i++ )
    {
     	if( s[i] == s[i+1] )
          break;
    }
    if( i == 4 )
      	printf("good");
  	else
      	printf("bad");
	return 0;
}

Compiler output:
a.cc:8:30: error: extended character 　 is not valid in an identifier
    8 |         for( i = 0 ; s[i] != '\n'　； i++ )
      |                              ^
a.cc: In function 'int main()':
a.cc:8:30: error: unable to find character literal operator 'operator""\U00003000\U0000ff1b' with 'char' argument
    8 |         for( i = 0 ; s[i] != '\n'　； i++ )
      |                              ^~~~~~~~
a.cc:8:38: error: expected ';' before 'i'
    8 |         for( i = 0 ; s[i] != '\n'　； i++ )
      |                                      ^~
      |                                      ;
Language: C++

#include<stdio.h>

int main(void)
{
    char s[5];
    scanf("%s",s);
    for( int i = 0 ; s[i] != '\n'　； i++ )
    {
     	if( s[i] == s[i+1] )
          break;
    }
    if( i == 4 )
      	printf("good");
  	else
      	printf("bad");
	return 0;
}

Compiler output:
a.cc:7:30: error: extended character 　 is not valid in an identifier
    7 |     for( int i = 0 ; s[i] != '\n'　； i++ )
      |                              ^
a.cc: In function 'int main()':
a.cc:7:30: error: unable to find character literal operator 'operator""\U00003000\U0000ff1b' with 'char' argument
    7 |     for( int i = 0 ; s[i] != '\n'　； i++ )
      |                              ^~~~~~~~
a.cc:7:38: error: expected ';' before 'i'
    7 |     for( int i = 0 ; s[i] != '\n'　； i++ )
      |                                      ^~
      |                                      ;
a.cc:12:9: error: 'i' was not declared in this scope
   12 |     if( i == 4 )
      |         ^
Language: C

#include <stdio.h>

int main(void){
    int flag = 1, i;
    char input[5];
    scanf("%s", input);
    for(i=0;i < 3;i++){
        if(input[i]==input[i+1])
            flag = 0;
    }
    if(frag==1){
        printf("Bad");
    }else{
        printf("Good");
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:8: error: 'frag' undeclared (first use in this function); did you mean 'flag'?
   11 |     if(frag==1){
      |        ^~~~
      |        flag
main.c:11:8: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void){
    int n, i, count = 0, res,;
    scanf("%d", &n);
    int point[n];
    char name[n];
    for(i = 0; i < n; i++){
        scanf("%s %d", &name[i], &point[i]);
    }
    char name = name[0];
    for(i = 0; i < n; i++){
        if(strcmp(name, name[i]) < 0){
            name = name[i];
            res = i;
        }
    }
    for(i = 0; i < n; i++){
        if(strcmp(name, name[i]) = 0){
            count++;
        }
    }
    if(count = 1){
        printf("%d\n", res);
    }else{
        
    }
    if(r0 - l0 + 1 > 0){
        printf("%d", r0 - l0 + 1);
    }else{
        printf("0");
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:30: error: expected identifier or '(' before ';' token
    4 |     int n, i, count = 0, res,;
      |                              ^
main.c:11:10: error: conflicting types for 'name'; have 'char'
   11 |     char name = name[0];
      |          ^~~~
main.c:7:10: note: previous declaration of 'name' with type 'char[n]'
    7 |     char name[n];
      |          ^~~~
main.c:13:12: error: implicit declaration of function 'strcmp' [-Wimplicit-function-declaration]
   13 |         if(strcmp(name, name[i]) < 0){
      |            ^~~~~~
main.c:2:1: note: include '<string.h>' or provide a declaration of 'strcmp'
    1 | #include <stdio.h>
  +++ |+#include <string.h>
    2 | 
main.c:28:8: error: 'r0' undeclared (first use in this function)
   28 |     if(r0 - l0 + 1 > 0){
      |        ^~
main.c:28:8: note: each undeclared identifier is reported only once for each function it appears in
main.c:28:13: error: 'l0' undeclared (first use in this function)
   28 |     if(r0 - l0 + 1 > 0){
      |             ^~
Language: C++

//Reference https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
use std::cmp::{min, max};
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        let mut next = || { iter.next().unwrap() };
        input_inner!{next, $($r)*}
    };
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes
                .by_ref()
                .map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}

macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}

macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}

fn main(){
    input!{
        S:chars,
    }
    let mut ans = "Good";
    for i in 1..4{
        if(S[i - 1] == S[i]){
            ans = "Bad";
        }
    }
    println!("{}", ans);
}

Compiler output:
a.cc:40:10: error: too many decimal points in number
   40 |         (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
      |          ^~~~~~~
a.cc:61:14: error: too many decimal points in number
   61 |     for i in 1..4{
      |              ^~~~
a.cc:2:1: error: 'use' does not name a type
    2 | use std::cmp::{min, max};
      | ^~~
a.cc:3:1: error: 'macro_rules' does not name a type
    3 | macro_rules! input {
      | ^~~~~~~~~~~
a.cc:24:1: error: 'macro_rules' does not name a type
   24 | macro_rules! input_inner {
      | ^~~~~~~~~~~
a.cc:34:1: error: 'macro_rules' does not name a type
   34 | macro_rules! read_value {
      | ^~~~~~~~~~~
a.cc:56:1: error: 'fn' does not name a type
   56 | fn main(){
      | ^~
Language: C

#include <stdio.h>
int main(){
  char a[5];
  int r=0;
  scanf("%s",a);
  for(int i=0;i<4;i++)for(int j=i+1;j<4)if(a[i]==a[j])r=1;
  (r==0)?puts("Good"):puts("Bad");
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:40: error: expected ';' before ')' token
    6 |   for(int i=0;i<4;i++)for(int j=i+1;j<4)if(a[i]==a[j])r=1;
      |                                        ^
      |                                        ;
Language: C

#include<stdio.h>
int main(){
 int s,shou;
  scanf("%d",&s);
  shou=s%10;
  s=s/10;
  while(s>0){
  if(shou==s%10){
    printf("Bad");
    return 0;
    }
  s=s/10;
  show=s%10;
  }
  printf("Good");
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:3: error: 'show' undeclared (first use in this function); did you mean 'shou'?
   13 |   show=s%10;
      |   ^~~~
      |   shou
main.c:13:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<bits/stdc++.h>

int main(){
    int a;
    cin >> a;
    if(a/1000==a/100%10||a/100%10==a/10%10||a/10%10==a%10)cout<<"Bad";
    else cout<<"Good";
}




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 >> a;
      |     ^~~
      |     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:6:59: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |     if(a/1000==a/100%10||a/100%10==a/10%10||a/10%10==a%10)cout<<"Bad";
      |                                                           ^~~~
      |                                                           std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:10: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     else cout<<"Good";
      |          ^~~~
      |          std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostream>

void main(){
  char s[5];
  for(int i = 0;i < 4;i++){
    std::cin >> s[i];
  }
  for(int i = 0;i < 3;i++){
    if(s[i] == s[i + 1]){
      std::cout << "Bad";
    }
  }
  std::cout << "Good";
  
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main(){
      | ^~~~
Language: C++

#include <iostream>

void main(){
  char s[5];
  for(inti = 0;i < 4;i++){
    std::cin >> s[i];
  }
  for(int i = 0;i < 3;i++){
    if(c[i] == c[i + 1]){
      std::cout << "Bad";
    }
  }
  std::cout << "Good";
  
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:7: error: 'inti' was not declared in this scope; did you mean 'int'?
    5 |   for(inti = 0;i < 4;i++){
      |       ^~~~
      |       int
a.cc:5:16: error: 'i' was not declared in this scope
    5 |   for(inti = 0;i < 4;i++){
      |                ^
a.cc:9:8: error: 'c' was not declared in this scope
    9 |     if(c[i] == c[i + 1]){
      |        ^
Language: C++

#include <iostream>

void main(){
  for(inti = 0;i < 4;i++){
    std::cin >> s[i];
  }
  std::cin >> s;
  for(int i = 0;i < 3;i++){
    if(c[i] == c[i + 1]){
      std::cout << "Bad";
    }
  }
  std::cout << "Good";
  
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:4:7: error: 'inti' was not declared in this scope; did you mean 'int'?
    4 |   for(inti = 0;i < 4;i++){
      |       ^~~~
      |       int
a.cc:4:16: error: 'i' was not declared in this scope
    4 |   for(inti = 0;i < 4;i++){
      |                ^
a.cc:5:17: error: 's' was not declared in this scope
    5 |     std::cin >> s[i];
      |                 ^
a.cc:7:15: error: 's' was not declared in this scope
    7 |   std::cin >> s;
      |               ^
a.cc:9:8: error: 'c' was not declared in this scope
    9 |     if(c[i] == c[i + 1]){
      |        ^
Language: C++

#include <iostream>;

void main(){
  char c[5];
  std::cin >> s;
  for(int i = 0;i < 3;i++){
    if(c[i] == c[i + 1]){
      std::cout << "Bad";
    }
  }
  std::cout << "Good";
  
}

Compiler output:
a.cc:1:20: warning: extra tokens at end of #include directive
    1 | #include <iostream>;
      |                    ^
a.cc:3:1: error: '::main' must return 'int'
    3 | void main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:15: error: 's' was not declared in this scope
    5 |   std::cin >> s;
      |               ^
Language: C++

#include <String>;
#include <iostream>;

void main(){
  char c[5];
  std::cin >> s;
  for(int i = 0;i < 3;i++){
    if(c[i] == c[i + 1]){
      std::cout << "Bad";
    }
  }
  std::cout << "Good";
  
}

Compiler output:
a.cc:1:18: warning: extra tokens at end of #include directive
    1 | #include <String>;
      |                  ^
a.cc:1:10: fatal error: String: No such file or directory
    1 | #include <String>;
      |          ^~~~~~~~
compilation terminated.
Language: C++

#include <String>
#include <iostream>

void main(){
  char c[5];
  std::cin >> s;
  for(int i = 0;i < 3;i++){
    if(c[i] == c[i + 1]){
      std::cout << "Bad";
    }
  }
  std::cout << "Good";
  
}

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

#include <stdio.h>
 
int main(){
  char n[5];
  scanf("%s",&n);
  int c = 0;
  for(int i=0;i<3;i++){
    if(n[i] == n[i+1]){
      printf("Bad\n");
      c = 1;
      break;
    }
  }
  if(c == 0) printf("Good\n");
  return 0;

Compiler output:
main.c: In function 'main':
main.c:15:3: error: expected declaration or statement at end of input
   15 |   return 0;
      |   ^~~~~~
Language: C++

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

int main()
{
  	ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
  	for(i=A;i<=B;i++)
    {if(i%C!=0 and i%D==0)
    	count++;
    }
  	cout<<count<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:17: error: declaration does not declare anything [-fpermissive]
    3 | #define ll long long;
      |                 ^~~~
a.cc:7:9: note: in expansion of macro 'll'
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |         ^~
a.cc:7:12: error: 'A' was not declared in this scope
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |            ^
a.cc:7:14: error: 'B' was not declared in this scope
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |              ^
a.cc:7:16: error: 'C' was not declared in this scope
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |                ^
a.cc:7:18: error: 'D' was not declared in this scope
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |                  ^
a.cc:7:20: error: 'i' was not declared in this scope
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |                    ^
a.cc:3:17: error: declaration does not declare anything [-fpermissive]
    3 | #define ll long long;
      |                 ^~~~
a.cc:7:23: note: in expansion of macro 'll'
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |                       ^~
a.cc:7:26: error: 'count' was not declared in this scope
    7 |         ll A,B,C,D,i; ll count=0; cin>>A>>B>>C>>D;
      |                          ^~~~~
Language: C++

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

int main() {
  char n;
  cin >> n;
  if(n[0] == n[1] || n[1] == n[2] || n[2]==n[3]){
    cout << "Bad" << "\n";
  }
  else{
    cout << "Good" << "\n";
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: invalid types 'char[int]' for array subscript
    9 |   if(n[0] == n[1] || n[1] == n[2] || n[2]==n[3]){
      |       ^
a.cc:9:15: error: invalid types 'char[int]' for array subscript
    9 |   if(n[0] == n[1] || n[1] == n[2] || n[2]==n[3]){
      |               ^
a.cc:9:23: error: invalid types 'char[int]' for array subscript
    9 |   if(n[0] == n[1] || n[1] == n[2] || n[2]==n[3]){
      |                       ^
a.cc:9:31: error: invalid types 'char[int]' for array subscript
    9 |   if(n[0] == n[1] || n[1] == n[2] || n[2]==n[3]){
      |                               ^
a.cc:9:39: error: invalid types 'char[int]' for array subscript
    9 |   if(n[0] == n[1] || n[1] == n[2] || n[2]==n[3]){
      |                                       ^
a.cc:9:45: error: invalid types 'char[int]' for array subscript
    9 |   if(n[0] == n[1] || n[1] == n[2] || n[2]==n[3]){
      |                                             ^
Language: Java

import java.util.Scanner;
public class JavaApplication1 {
    public static void main(String[] args) {
        Scanner teclado = new Scanner(System.in);
        String s = teclado.next();
        Boolean check = false;
       for(int x = 0; x <= s.length(); x++){
           if(s.charAt(x) == s.charAt(x+1)){
                check = true;
                break;
   }
       }
       if(check){
           System.out.println("Bad");
       }else{
           System.out.println("Good");
       }
    }   
    }

Compiler output:
Main.java:2: error: class JavaApplication1 is public, should be declared in a file named JavaApplication1.java
public class JavaApplication1 {
       ^
1 error
Language: C

#include <stdio.h>

int main(){
  char a[4];
  int flag = 1;
  int i;
  printf("セキュリティコード：");scanf("%s",&a);
  for(i=0;i<4;i++){
    if(a[i]==a[i+1]){
      printf("Bad\n");
      flag = 0;
      break;
    }
  }
  if(flag==1){
    printf("Good\n");
  }
  return 0;
}
~                   

Compiler output:
main.c:20:1: error: expected identifier or '(' before '~' token
   20 | ~
      | ^
Language: C

#include <stdio.h>

int main(){
  char a[4];
  int flag = 1;
  int i;
  printf("セキュリティコード：");scanf("%s",a);
  for(i=0;i<4;i++){
    if(a[i]==a[i+1]){
      printf("Bad\n");
      flag = 0;
      break;
    }
  }
  if(flag==1){
    printf("Good\n");
  }
  return 0;
}
~                   

Compiler output:
main.c:20:1: error: expected identifier or '(' before '~' token
   20 | ~
      | ^
Language: C++

#include<iostream>
using namespace std;

int main()
{
  	char something[4];char a; bool stuff =true;
  	for(int i=0;i<4;i++){scanf("%c",&a);something[i]=a};
  	for(int i=1;i<4;i++)
    {
      if(something[i]==something[i-1])
        stuff=false;
    }
  	if(stuff)
    	cout<<"Good"<<endl;
  	else
      	cout<<"Bad"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:59: error: expected ';' before '}' token
    7 |         for(int i=0;i<4;i++){scanf("%c",&a);something[i]=a};
      |                                                           ^
      |                                                           ;
Language: C++

#include<iostream>
using namespace std;

int main()
{
 int A,B,C,D,E;cin>>A;B=A%10;C=A%100/10;D=A%1000/100;E=A/1000;
  if(A==B OR B==C or C==D)
    cout<<"BAD"<<endl;
  else
    cout<<"GOOD"<<endl;
   
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: expected ')' before 'OR'
    7 |   if(A==B OR B==C or C==D)
      |     ~    ^~~
      |          )
Language: C

#include <stdio.h>
int main(){
  int a,b,c,d;
  scanf("%d %d %d %d,a,b,c,d");
  if(a = b){
    printf("Bad");
  }else if(b = c){
    printf("Bad");
  else if(c = d){
    printf("Bad");
  }else{
    printf("Good");
  }
    return 0;

Compiler output:
main.c: In function 'main':
main.c:9:3: error: expected '}' before 'else'
    9 |   else if(c = d){
      |   ^~~~
main.c:14:5: error: expected declaration or statement at end of input
   14 |     return 0;
      |     ^~~~~~
Language: C++

    #include <bits/stdc++.h>
    using namespace std;
     
    int main() {
      string s; cin >> s;
      bool bad = s[0] == s[1] || s[1] = s[2] || s[2] == s[3];
      cout << (bad ? "Bad" : "Good") << endl;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:6:31: error: lvalue required as left operand of assignment
    6 |       bool bad = s[0] == s[1] || s[1] = s[2] || s[2] == s[3];
Language: C++

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

int main() {
  string s; cin >> s;
  bool bad = s[0] == s[1] || s[1] = s[2] || s[2] = s[3];
  cout << (bad ? "Bad" : "Good") << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:42: error: lvalue required as left operand of assignment
    6 |   bool bad = s[0] == s[1] || s[1] = s[2] || s[2] = s[3];
Language: C++

#include<stdio.h>
int main()
{
  int a,b,c,d;
  scanf("%d\n",&a&b&c&d);
  if(a==b||b==c||c==d){
    printf("Bad\n");
  }
  else{
    printf("Good\n");
    return 0;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:5:18: error: invalid operands of types 'int*' and 'int' to binary 'operator&'
    5 |   scanf("%d\n",&a&b&c&d);
      |                ~~^~
      |                |  |
      |                |  int
      |                int*
a.cc:12:4: error: expected '}' at end of input
   12 |   }
      |    ^
a.cc:3:1: note: to match this '{'
    3 | {
      | ^
Language: C++

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

int main(){
  string s;
  cin >> s;
  bool tf = true;
  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 <<endl;
  }
  else{
    cout<< Bad << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: 'Good' was not declared in this scope
   14 |     cout<< Good <<endl;
      |            ^~~~
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 tf = true;
  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: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;
      |            ^~~