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

#include<stdio .h> 
int main()
{
char a[10][10];
scanf(”%s%s%s”, a[0] , a[1] , a[2]);
printf(”%c%c%c\n”, a[0][0] , a[1][1] , a[2][2]);
}

Compiler output:
a.cc:1:9: fatal error: stdio .h: No such file or directory
    1 | #include<stdio .h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
using namespace std;
int main()
{
    // 整数の入力
    int A;
    cin >> A;
int B;
    cin >> B;
    int dig1, dig2, dig4, dig5, counter;
    counter=0;
   while (A<=B) {
    dig5=A/10000;
    dig4=(A%10000)/1000;
    dig2=(A%100)/10;
    dig1=A/10;

if (dig5==dig1 && dig2==dig4){
   counter++;
}
else{
}
A++;

    // 出力
    cout << counter;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:2: error: expected '}' at end of input
   28 | }
      |  ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

#include<iostream>
#include<vector>
#include<cmath>
#include<algorithm>
#include<string>
using namespace std;
int mian()
{
	string str;
	for (int i = 0; i < 3; i++)
	{
		cin >> str;
		cout << str[i];
	}
	return 0;
}

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: Java

import java.util.*;
class Main
{
 public static void main(String[] args)
  {
   Scanner s = new Scanner(System.in);
   String one = s.next();
   String two = s.next();
   String three = s.next();
   String ans = one.charAt(2)+two.charAt(1)+three.charAt(0);
   System.out.println(ans);
   }
}


Compiler output:
Main.java:10: error: incompatible types: int cannot be converted to String
   String ans = one.charAt(2)+two.charAt(1)+three.charAt(0);
                                           ^
1 error
Language: Java

import java.util.*;
{
 public static void main(String[] args)
  {
   Scanner s = new Scanner(System.in);
   String one = s.next();
   String two = s.next();
   String three = s.next();
   String ans = one.charAt(0)+two.charAt(1)+three.charAt(2);
   System.out.println(ans);
   }
}


Compiler output:
Main.java:2: error: class, interface, enum, or record expected
{
^
Main.java:3: error: unnamed classes are a preview feature and are disabled by default.
 public static void main(String[] args)
               ^
  (use --enable-preview to enable unnamed classes)
Main.java:12: error: class, interface, enum, or record expected
}
^
3 errors
Language: C++

print(''.join(input()[i]for i in[0,1,2]))

Compiler output:
a.cc:1:7: error: empty character constant
    1 | print(''.join(input()[i]for i in[0,1,2]))
      |       ^~
a.cc:1:6: error: expected constructor, destructor, or type conversion before '(' token
    1 | print(''.join(input()[i]for i in[0,1,2]))
      |      ^
Language: C++

print(''.join(input()[i]for i in range(3)) 

Compiler output:
a.cc:1:7: error: empty character constant
    1 | print(''.join(input()[i]for i in range(3))
      |       ^~
a.cc:1:6: error: expected constructor, destructor, or type conversion before '(' token
    1 | print(''.join(input()[i]for i in range(3))
      |      ^
Language: C

#include<stdio.h>
	int main(){
		char a[10][10];
		scanf("%s%s%s",a[0],a[1],a[2]);
		printf("%c%c%c\n",a[0][0],b[0][0],c[0][c]);
	}

Compiler output:
main.c: In function 'main':
main.c:5:43: error: 'b' undeclared (first use in this function)
    5 |                 printf("%c%c%c\n",a[0][0],b[0][0],c[0][c]);
      |                                           ^
main.c:5:43: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:51: error: 'c' undeclared (first use in this function)
    5 |                 printf("%c%c%c\n",a[0][0],b[0][0],c[0][c]);
      |                                                   ^
Language: C

#i n cl u d e <s t d i o . h>
i n t main ( )
{
ch a r a [ 1 0 ] [ 1 0 ] ;
s c a n f (”% s%s%s ” , a [ 0 ] , a [ 1 ] , a [ 2 ] ) ;
p r i n t f (”%c%c%c \n ” , a [ 0 ] [ 0 ] , a [ 1 ] [ 1 ] , a [ 2 ] [ 2 ] ) ;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #i; did you mean #if?
    1 | #i n cl u d e <s t d i o . h>
      |  ^
      |  if
main.c:2:1: error: unknown type name 'i'
    2 | i n t main ( )
      | ^
main.c:2:5: error: expected '=', ',', ';', 'asm' or '__attribute__' before 't'
    2 | i n t main ( )
      |     ^
main.c:2:5: error: unknown type name 't'
main.c:5:12: error: stray '\342' in program
    5 | s c a n f (<U+201D>% s%s%s <U+201D> , a [ 0 ] , a [ 1 ] , a [ 2 ] ) ;
      |            ^~~~~~~~
main.c:5:21: error: stray '\342' in program
    5 | s c a n f (<U+201D>% s%s%s <U+201D> , a [ 0 ] , a [ 1 ] , a [ 2 ] ) ;
      |                            ^~~~~~~~
main.c:6:14: error: stray '\342' in program
    6 | p r i n t f (<U+201D>%c%c%c \n <U+201D> , a [ 0 ] [ 0 ] , a [ 1 ] [ 1 ] , a [ 2 ] [ 2 ] ) ;
      |              ^~~~~~~~
main.c:6:22: error: stray '\' in program
    6 | p r i n t f (”%c%c%c \n ” , a [ 0 ] [ 0 ] , a [ 1 ] [ 1 ] , a [ 2 ] [ 2 ] ) ;
      |                      ^
main.c:6:25: error: stray '\342' in program
    6 | p r i n t f (<U+201D>%c%c%c \n <U+201D> , a [ 0 ] [ 0 ] , a [ 1 ] [ 1 ] , a [ 2 ] [ 2 ] ) ;
      |                                ^~~~~~~~
Language: Java

package beginner;

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

public class Main{
	public static void main(String args[]){
		 String str[] = new String[9];
		 BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		 
		 for(int i=0;i<9;i++) {
			 str[i] = new String(in.readLine());
		 }
		 System.out.println(str[0] + str[4] + str[8]);
	}
}


Compiler output:
Main.java:13: error: unreported exception IOException; must be caught or declared to be thrown
			 str[i] = new String(in.readLine());
			                                ^
1 error
Language: Java

package beginner;

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

public class Diagonalstring{
	public static void main(String args[]) throws IOException{
		 String str[] = new String[9];
		 BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		 
		 for(int i=0;i<9;i++) {
			 str[i] = new String(in.readLine());
			 if (i!=8)System.out.println("next!");
		 }
		 
		 for(int i=0;i<9;i++) {
			 System.out.print(str[i]);
			 if (i%3==2) System.out.println();
		 }
		 
		 System.out.println(str[0] + str[4] + str[8]);
	}
}


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

package beginner;

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

public class Diagonalstring{
	public static void main(String args[]) throws IOException{
		 String str[] = new String[9];
		 BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		 
		 for(int i=0;i<9;i++) {
			 str[i] = new String(in.readLine());
			 if (i!=8)System.out.println("next!");
		 }
		 
		 for(int i=0;i<9;i++) {
			 System.out.print(str[i]);
			 if (i%3==2) System.out.println();
		 }
		 
		 System.out.println("\n" + str[0] + str[4] + str[8]);
	}
}


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

#include <stdio.h>

int main(void)
{

	char moji[1000];
	for(i=0;i<9;i++){
		scanf("%s", moji[i]);
	}
	printf("%s%s%s\n", moji[0],moji[4],moji[8]);

	return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:13: error: 'i' undeclared (first use in this function)
    7 |         for(i=0;i<9;i++){
      |             ^
main.c:7:13: note: each undeclared identifier is reported only once for each function it appears in
Language: Java

import java.util.Scanner;
 
public class Main{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String x = sc.next();
String y = sc.next();
String z = sc.next();
System.out.println(x.charAt(0) + y.charAt(1) + z.charAt(2));
}
}

Compiler output:
Main.java:2: error: illegal character: '\u00a0'
?
^
1 error
Language: Java

import java.util.Scanner;
 
public class Main{
 public static void main(String[] args) {
  Scanner sc = new Scanner(System.in);
  int a = sc.nextInt();
  int b = sc.nextInt();
  int count = 0;
  for(int x = a; x <= b; x++){
   if(x-(x%10000) == x%10 && (x%10000)-(x%1000) == (x%100)-(x%10)){
   count++;
    }
  }
		System.out.println(count);
 }
}

Compiler output:
Main.java:2: error: illegal character: '\u00a0'
?
^
1 error
Language: C++

#include <stdio.h>
int main ( )
{
int a , b ;
scanf(”%d%d ” , &a , &b ) ;
int r = 0 ;
for ( int i = a ; i <= b ; i++)
{
int s = i % 10 , t = i / 10000 ;
int u = i / 10 % 10 , v = i / 1000 % 10;
if ( s == t&&u == v ) r++;

}
printf (”%d\n ” , r ) ;
}


Compiler output:
a.cc:5:7: error: extended character ” is not valid in an identifier
    5 | scanf(”%d%d ” , &a , &b ) ;
      |       ^
a.cc:5:13: error: extended character ” is not valid in an identifier
    5 | scanf(”%d%d ” , &a , &b ) ;
      |             ^
a.cc:14:9: error: extended character ” is not valid in an identifier
   14 | printf (”%d\n ” , r ) ;
      |         ^
a.cc:14:12: error: stray '\' in program
   14 | printf (”%d\n ” , r ) ;
      |            ^
a.cc:14:15: error: extended character ” is not valid in an identifier
   14 | printf (”%d\n ” , r ) ;
      |               ^
a.cc: In function 'int main()':
a.cc:5:7: error: '\U0000201d' was not declared in this scope
    5 | scanf(”%d%d ” , &a , &b ) ;
      |       ^
a.cc:5:9: error: 'd' was not declared in this scope
    5 | scanf(”%d%d ” , &a , &b ) ;
      |         ^
Language: C++

#include <stdio.h>
int main ( )
{
i nt a , b ;
scanf(”%d%d ” , &a , &b ) ;
int r = 0 ;
for ( int i = a ; i <= b ; i++)
{
int s = i % 10 , t = i / 10000 ;
int u = i / 10 % 10 , v = i / 1000 % 10;
if ( s == t&&u == v ) r++;

}
printf (”%d\n ” , r ) ;
}


Compiler output:
a.cc:5:7: error: extended character ” is not valid in an identifier
    5 | scanf(”%d%d ” , &a , &b ) ;
      |       ^
a.cc:5:13: error: extended character ” is not valid in an identifier
    5 | scanf(”%d%d ” , &a , &b ) ;
      |             ^
a.cc:14:9: error: extended character ” is not valid in an identifier
   14 | printf (”%d\n ” , r ) ;
      |         ^
a.cc:14:12: error: stray '\' in program
   14 | printf (”%d\n ” , r ) ;
      |            ^
a.cc:14:15: error: extended character ” is not valid in an identifier
   14 | printf (”%d\n ” , r ) ;
      |               ^
a.cc: In function 'int main()':
a.cc:4:1: error: 'i' was not declared in this scope
    4 | i nt a , b ;
      | ^
a.cc:5:7: error: '\U0000201d' was not declared in this scope
    5 | scanf(”%d%d ” , &a , &b ) ;
      |       ^
a.cc:5:9: error: 'd' was not declared in this scope
    5 | scanf(”%d%d ” , &a , &b ) ;
      |         ^
a.cc:5:18: error: 'a' was not declared in this scope
    5 | scanf(”%d%d ” , &a , &b ) ;
      |                  ^
a.cc:5:23: error: 'b' was not declared in this scope
    5 | scanf(”%d%d ” , &a , &b ) ;
      |                       ^
Language: C++

#include <stdio>
using namespace std;

int main()
{
    char a[10][10];
    scanf("%s%s%s", a[0],a[1],a[2]);
    printf("%c%c%c",a[0][0],a[1][1],a[2][2]);
    return 0;

}


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

#include <stdio>
using namespace std;

int main()
{
    char a[10][10];
    scanf("%s%s%s", a[0],a[1],a[2]);
    printf("%c%c%c",a[0][0],a[1][1],a[2][2]);
    return 0;
    ) 
}


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

#include <cstdio>
using namespace std;

int main()
{
    char a[10][10];
    scanf("%s%s%s", a[0],a[1],a[2])
    printf("%c%c%c",a[0][0],a[1][1],a[2][2])
    return 0;
    ) 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:36: error: expected ';' before 'printf'
    7 |     scanf("%s%s%s", a[0],a[1],a[2])
      |                                    ^
      |                                    ;
    8 |     printf("%c%c%c",a[0][0],a[1][1],a[2][2])
      |     ~~~~~~                          
a.cc:10:5: error: expected primary-expression before ')' token
   10 |     )
      |     ^
Language: C++

#include <stdio>
using namespace std;

int main()
{
    char a[10][10];
    scanf("%s%s%s", a[0],a[1],a[2])
    printf("%c%c%c",a[0][0],a[1][1],a[2][2])
    return 0;
    ) 
}


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

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

int main() {
  char c[3][3];
  for (int i = 0; i < 3; ++i) {
    for (int j = 0; j < 3; ++j) {
      cin >> c[i][j];
    }
  }

  for (int i = 0; i < 3; ++i) {
    cout << c[i][i];
  }
  cout << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: expected '}' at end of input
   15 |   cout << endl;
      |                ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: Java

import java.util.Scanner;
import java.util.Random;
import java.util.Arrays;
import java.util.Comparator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.HashMap;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		
		char[] s = new char[9];
		
		for (int i = 0; i < 9; i++) {
			s[i] = sc.nextChar();
			
		}
		
		System.out.println(s[0] + s[4] + s[8]);
	}
		
}

Compiler output:
Main.java:22: error: cannot find symbol
			s[i] = sc.nextChar();
			         ^
  symbol:   method nextChar()
  location: variable sc of type Scanner
1 error
Language: C++

#include<iostream>
using namespace std;

int main(){
  int i,j;
  int c[3][3];
  for (i=0;i<3;i++){
    for (j=0;j<3;j++){
  		cin >> c[i][j];
    }
  }
  for (i=0;;i<3;i++){
    for (j=0;j<3;j++){
      if (i==j){
        cout << c[i][j];
      }
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:16: error: expected ')' before ';' token
   12 |   for (i=0;;i<3;i++){
      |       ~        ^
      |                )
a.cc:12:20: error: expected ';' before ')' token
   12 |   for (i=0;;i<3;i++){
      |                    ^
      |                    ;
Language: C++

#include<cstdio>
#include<algorithm>
using namespace std;
int main()
{
    char n[3][4];
    for(int i=0;i<3;i++)
        gets(n[i]);
    for(int i=0;i<3;i++)
        printf("%c",n[i][i]);
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    8 |         gets(n[i]);
      |         ^~~~
      |         getw
Language: C++

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

int main(){
    int N,K
    long long ans=0;
    cin>>N>>K;
    //b    
    for(int i=1;i<=N;i++){
        int p,q;
        p=N/i;
        q=N%i;
        
        ans+=p*max(0,i-K)+max(q-K+1,0);
    }
    if(K==0){ans-=N;}
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: expected initializer before 'long'
    7 |     long long ans=0;
      |     ^~~~
a.cc:8:13: error: 'K' was not declared in this scope
    8 |     cin>>N>>K;
      |             ^
a.cc:15:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   15 |         ans+=p*max(0,i-K)+max(q-K+1,0);
      |         ^~~
      |         abs
a.cc:17:14: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 |     if(K==0){ans-=N;}
      |              ^~~
      |              abs
a.cc:18:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C

#include <stdio.h>
 
int main()
{
    char c[4], s[4];
    int i;
    
    for (i = 0; i < 3; i++) {
        scanf("%s", c);
        s[i] = (char)c[i];
    }
    printf("%c%c%c", s[0], s[1], s[2]);
    
    return 0;
}
#include <stdio.h>

int main()
{
    char c[4], s[3];
    int i;
    
    for (i = 0; i < 3; i++) {
        scanf("%s", c);
        s[i] = (char)c[i];
    }
    printf("%s", s);
    
    return 0;
}


Compiler output:
main.c:18:5: error: redefinition of 'main'
   18 | int main()
      |     ^~~~
main.c:3:5: note: previous definition of 'main' with type 'int()'
    3 | int main()
      |     ^~~~
Language: C

#include <stdio.h>
 
int main()
{
    char c[4], s[4];
    int i;
    
    for (i = 0; i < 3; i++) {
        scanf("%s", c);
        s[i] = (char)c[i];
    }
    printf("%c%c%c", s[0], s[1], s[2]);
    
    return 0;
}
#include <stdio.h>

int main()
{
    char c[4], s[4];
    int i;
    
    for (i = 0; i < 3; i++) {
        scanf("%s", c);
        s[i] = c[i];
    }
    printf("%c%c%c", s[0], s[1], s[2]);
    
    return 0;
}


Compiler output:
main.c:18:5: error: redefinition of 'main'
   18 | int main()
      |     ^~~~
main.c:3:5: note: previous definition of 'main' with type 'int()'
    3 | int main()
      |     ^~~~
Language: Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String str1 = sc.nextLine();
		String str2 = sc.nextLine();
		String str3 = sc.nextLine();
		System.out.println(str1.substring(0, 1) + str2.substring(1, 2) + str3.substring(2));
		sc.close();

	}


Compiler output:
Main.java:13: error: reached end of file while parsing
	}
	 ^
1 error
Language: C

B - Palindromic Numbers
Time limit : 2sec / Memory limit : 256MB

Score : 200 points

Problem Statement
Find the number of palindromic numbers among the integers between A and B (inclusive). Here, a palindromic number is a positive integer whose string representation in base 10 (without leading zeros) reads the same forward and backward.

Constraints
10000≤A≤B≤99999
All input values are integers.
Input
Input is given from Standard Input in the following format:

A B
Output
Print the number of palindromic numbers among the integers between A and B (inclusive).

Sample Input 1
Copy
11009 11332
Sample Output 1
Copy
4
There are four integers that satisfy the conditions: 11011, 11111, 11211 and 11311.

Sample Input 2
Copy
31415 92653
Sample Output 2
Copy
612

Compiler output:
main.c:1:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before '-' token
    1 | B - Palindromic Numbers
      |   ^
main.c:2:14: error: invalid suffix "sec" on integer constant
    2 | Time limit : 2sec / Memory limit : 256MB
      |              ^~~~
main.c:2:36: error: invalid suffix "MB" on integer constant
    2 | Time limit : 2sec / Memory limit : 256MB
      |                                    ^~~~~
main.c:10:6: error: stray '\342' in program
   10 | 10000<U+2264>A<U+2264>B<U+2264>99999
      |      ^~~~~~~~
main.c:10:8: error: stray '\342' in program
   10 | 10000<U+2264>A<U+2264>B<U+2264>99999
      |               ^~~~~~~~
main.c:10:10: error: stray '\342' in program
   10 | 10000<U+2264>A<U+2264>B<U+2264>99999
      |                        ^~~~~~~~
Language: Java

import java.util.Scanner;
public class Main {
    public static void main(String[] args){
        Scanner s = new Scanner(System.in);
        int N = s.nextInt();
        int K = s.nextInt();
        int count = 0;
        if(k == 0){
            System.out.println(N * N);
            return;
        }

        for (int a = K; a <= N; a++){
            count += N - a;
            for (int b = a + 1; b <= N - a; b++) {
                if (a % b >= K) {
                    count++;
                }

            }
        }
        System.out.println(count);
    }
}


Compiler output:
Main.java:8: error: cannot find symbol
        if(k == 0){
           ^
  symbol:   variable k
  location: class Main
1 error
Language: C++

#import"bits/stdc++.h"
main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}

Compiler output:
a.cc:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated]
    1 | #import"bits/stdc++.h"
      |  ^~~~~~
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}
      | ^~~~
a.cc: In function 'int main()':
a.cc:2:43: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    2 | main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}
      |                                           ^~~
      |                                           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:2:50: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    2 | main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}
      |                                                  ^~~~
      |                                                  std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#import"bits/stdc++.h" main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}


Compiler output:
a.cc:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated]
    1 | #import"bits/stdc++.h" main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}
      |  ^~~~~~
a.cc:1:24: warning: extra tokens at end of #import directive
    1 | #import"bits/stdc++.h" main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}
      |                        ^~~~
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#import"bits/stdc++.h"main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}


Compiler output:
a.cc:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated]
    1 | #import"bits/stdc++.h"main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}
      |  ^~~~~~
a.cc:1:8: error: #import expects "FILENAME" or <FILENAME>
    1 | #import"bits/stdc++.h"main(){std::string a;for(int i=0;i<3;i++){cin>>a;cout<<a[i];}}
      |        ^~~~~~~~~~~~~~~~~~~
Language: C++

#inport<bits/stdc++.h>
using namespace std;
main(){
  string a;
  for(int i=0;i<3;i++){cin>>a;cout<<a[i]}
}


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inport; did you mean #import?
    1 | #inport<bits/stdc++.h>
      |  ^~~~~~
      |  import
a.cc:3:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    3 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:4:3: error: 'string' was not declared in this scope
    4 |   string a;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | #inport<bits/stdc++.h>
a.cc:5:24: error: 'cin' was not declared in this scope
    5 |   for(int i=0;i<3;i++){cin>>a;cout<<a[i]}
      |                        ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inport<bits/stdc++.h>
a.cc:5:29: error: 'a' was not declared in this scope
    5 |   for(int i=0;i<3;i++){cin>>a;cout<<a[i]}
      |                             ^
a.cc:5:31: error: 'cout' was not declared in this scope
    5 |   for(int i=0;i<3;i++){cin>>a;cout<<a[i]}
      |                               ^~~~
a.cc:5:31: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<iostream>
#include<algorithm>
#include<math.h>
using namespace std;

int main(){
    long long n, m;
    cin >> n >> m;
    if(n == 1 && m != 1) cout << m - 2 << endl;
    if else (n != 1 && m == 1) cout << n - 2 << endl;
    if else(n == 1 && m == 1) cout << 1 << endl;
    if else(n != 1 && m != 1) cout << (n - 2) * (m - 2) << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: expected '(' before 'else'
   10 |     if else (n != 1 && m == 1) cout << n - 2 << endl;
      |        ^~~~
      |        (
a.cc:11:8: error: expected '(' before 'else'
   11 |     if else(n == 1 && m == 1) cout << 1 << endl;
      |        ^~~~
      |        (
a.cc:12:8: error: expected '(' before 'else'
   12 |     if else(n != 1 && m != 1) cout << (n - 2) * (m - 2) << endl;
      |        ^~~~
      |        (
Language: C

#include <stdio.h>
int main(void){
	int a,b,count=0,i,j;
	scanf("%d %d",&a,&b);
	a+b<a
	for (i=b-1; i <= a; i++) {
	for (j=b-1; j <= a; j++) {
		if(b<=i%j){
			count++;
		}
	}
}
printf("%d",count);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:14: error: expected ';' before 'for'
    5 |         a+b<a
      |              ^
      |              ;
    6 |         for (i=b-1; i <= a; i++) {
      |         ~~~
Language: C

#include <stdio.h>
int main(void){
	int a,b,count=0,i,j;
	scanf("%d %d",&a,&b);
	a+b<a
	for (i=1; i <= a; i++) {
	for (j=1; j <= a; j++) {
		if(b<=i%j){
			count++;
		}
	}
}
printf("%d",count);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:14: error: expected ';' before 'for'
    5 |         a+b<a
      |              ^
      |              ;
    6 |         for (i=1; i <= a; i++) {
      |         ~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
	int [5][5];
	for(int i=1;i<=3;i++)
		for(int j=1;j<=3;j++)
			cin>>a[i][j];
	cout<<a[1][1]<<a[2][2]<<a[3][3]; 
    return 0;
}    

Compiler output:
a.cc: In function 'int main()':
a.cc:4:14: error: expected identifier before numeric constant
    4 |         int [5][5];
      |              ^
a.cc:4:14: error: expected ']' before numeric constant
    4 |         int [5][5];
      |              ^
      |              ]
a.cc:4:13: error: structured binding declaration cannot have type 'int'
    4 |         int [5][5];
      |             ^
a.cc:4:13: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:4:13: error: empty structured binding declaration
a.cc:4:16: error: expected initializer before '[' token
    4 |         int [5][5];
      |                ^
a.cc:7:30: error: 'a' was not declared in this scope
    7 |                         cin>>a[i][j];
      |                              ^
a.cc:8:15: error: 'a' was not declared in this scope
    8 |         cout<<a[1][1]<<a[2][2]<<a[3][3];
      |               ^
Language: C++

#include<stdio.h>
int main()
{
	int i,l=0;
	char m[5],a[5],c[5];
	while(1)
	{
		gets(m);
		gets(a);
		gets(c);
		printf("%c%c%c\n",m[0],a[1],c[2]);
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'gets' was not declared in this scope; did you mean 'getw'?
    8 |                 gets(m);
      |                 ^~~~
      |                 getw
Language: C++

#include <stdio.h>
#include<string>
using namespace std;

int main (){
string str[3];
int i;

for(i=0; i<3; i++){
   cin >> str[i];
    }  
    
cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:4: error: 'cin' was not declared in this scope
   10 |    cin >> str[i];
      |    ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include<string>
  +++ |+#include <iostream>
    3 | using namespace std;
a.cc:13:1: error: 'cout' was not declared in this scope
   13 | cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
      | ^~~~
a.cc:13:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:48: error: 'endl' was not declared in this scope
   13 | cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
      |                                                ^~~~
a.cc:3:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    2 | #include<string>
  +++ |+#include <ostream>
    3 | using namespace std;
Language: C++

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

int main()
{
    ll n,m;
    cin>>n>>m;
    n-=2;m-=2;
    cout<<abs(n*m);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'll' was not declared in this scope
    6 |     ll n,m;
      |     ^~
a.cc:7:10: error: 'n' was not declared in this scope; did you mean 'yn'?
    7 |     cin>>n>>m;
      |          ^
      |          yn
a.cc:7:13: error: 'm' was not declared in this scope; did you mean 'tm'?
    7 |     cin>>n>>m;
      |             ^
      |             tm
Language: Java

import java.util.Scanner;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String x = sc.next();
		String y = sc.next();
		String z = sc.next();
		System.out.println(x.charAt(0) + y.charAt(1) + z.charAt(2));
	}
}

Compiler output:
Main.java:2: error: illegal character: '\u00a0'
?
^
1 error
Language: C++

#include <stdio.h>
#include<string>
using namespace std;

void main (void){
string str[3];
int i;

for(i=0; i<3; i++){
   cin >> str[i];
    }  
    
cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
}

Compiler output:
a.cc:5:1: error: '::main' must return 'int'
    5 | void main (void){
      | ^~~~
a.cc: In function 'int main()':
a.cc:10:4: error: 'cin' was not declared in this scope
   10 |    cin >> str[i];
      |    ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include<string>
  +++ |+#include <iostream>
    3 | using namespace std;
a.cc:13:1: error: 'cout' was not declared in this scope
   13 | cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
      | ^~~~
a.cc:13:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:48: error: 'endl' was not declared in this scope
   13 | cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
      |                                                ^~~~
a.cc:3:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    2 | #include<string>
  +++ |+#include <ostream>
    3 | using namespace std;
Language: Java

import java.util.Scanner;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
	        int b = sc.nextInt();
                int count = 0;
        for(int x = a; x <= b; x++){
                if(x-(x%10000) == x%10 && (x%10000)-(x%1000) == (x%100)-(x%10)){
                count++;
                }
        }
		System.out.println(count);
	}
}

Compiler output:
Main.java:2: error: illegal character: '\u00a0'
?
^
1 error
Language: Java

import java.util.Scanner;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String x = sc.next();
		String y = sc.next();
		String z = sc.next();
		System.out.println(x.charAt(0) + y.charAt(1) + z.charAt(3));
	}
}

Compiler output:
Main.java:2: error: illegal character: '\u00a0'
?
^
1 error
Language: C++

#include <stdio.h>
#include<string>
using namespace std;

int main (void){
string str[3];
int i;

for(i=0; i<3; i++){
   cin >> str[i];
    }  
    
cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:4: error: 'cin' was not declared in this scope
   10 |    cin >> str[i];
      |    ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include<string>
  +++ |+#include <iostream>
    3 | using namespace std;
a.cc:13:1: error: 'cout' was not declared in this scope
   13 | cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
      | ^~~~
a.cc:13:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:48: error: 'endl' was not declared in this scope
   13 | cout << str[0] [0]<< str[1][1] << str[2][2] << endl;
      |                                                ^~~~
a.cc:3:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    2 | #include<string>
  +++ |+#include <ostream>
    3 | using namespace std;
Language: Java

import java.util.*;
import java.util.HashSet;
import java.util.Set;
public class Main{
    public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        for(;;){}
            String a=String.valueOf(A);
            char[]aa=a.toCharArray();
            if((aa[0]==aa[4])&&(aa[1]==aa[3])){
                break;
            }
            A++;
        }
        for(;;){
            if(B>=10000){
            String a=String.valueOf(B);
            char[]aa=a.toCharArray();
            if((aa[0]==aa[4])&&(aa[1]==aa[3])){
                break;
            }}else{
                break;
            }
            B--;
        }
        System.out.println((B-A)/100+1);


        }
       
        
    }


Compiler output:
Main.java:17: error: illegal start of type
        for(;;){
        ^
Main.java:17: error: illegal start of type
        for(;;){
              ^
Main.java:28: error: <identifier> expected
        System.out.println((B-A)/100+1);
                          ^
Main.java:28: error: illegal start of type
        System.out.println((B-A)/100+1);
                           ^
Main.java:34: error: class, interface, enum, or record expected
    }
    ^
5 errors
Language: C++

#include<stdio.h>
int main()
{
	int i,l=0;
	char m[20];
	while(gets(m))
	{
		printf("%c",m[l]);
		l++;
		if(l==3)
			l=0;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:15: error: 'gets' was not declared in this scope; did you mean 'getw'?
    6 |         while(gets(m))
      |               ^~~~
      |               getw
Language: C++

hufuuudufufiruritueutifufitudihudjgjfjgjhjgigjjgjgjgjgbfufufu

Compiler output:
a.cc:1:1: error: 'hufuuudufufiruritueutifufitudihudjgjfjgjhjgigjjgjgjgjgbfufufu' does not name a type
    1 | hufuuudufufiruritueutifufitudihudjgjfjgjhjgigjjgjgjgjgbfufufu
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<cmath>
#include<algorithm>
#include<iomanip>
#include<vector>
#include<queue>
#include<deque>
#include<string>
#include<cstring>
#include<map>
#include<iomanip>
#include<ctime>
#include<windows.h>
#define sp system("pause");
#define ss system("shutdown -s -t 0");
#define ms(a,b) memset(a,b,sizeof(a));
using namespace std;
int main(){
	char a[3][3];
	for(int i=0;i<3;i++)
		for(int j=0;j<3;j++)
			cin>>a[i][j];
	cout<<a[0][0]<<a[1][1]<<a[2][2];
	return 0;
}


Compiler output:
a.cc:13:9: fatal error: windows.h: No such file or directory
   13 | #include<windows.h>
      |         ^~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String x = sc.nextString();
		String y = sc.nextString();
		String z = sc.nextString();
		System.out.println(x.charAt(0) + y.charAt(1) + z.charAt(3));
	}
}

Compiler output:
Main.java:6: error: cannot find symbol
		String x = sc.nextString();
		             ^
  symbol:   method nextString()
  location: variable sc of type Scanner
Main.java:7: error: cannot find symbol
		String y = sc.nextString();
		             ^
  symbol:   method nextString()
  location: variable sc of type Scanner
Main.java:8: error: cannot find symbol
		String z = sc.nextString();
		             ^
  symbol:   method nextString()
  location: variable sc of type Scanner
3 errors
Language: C++

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

#define pi 3.141592654
#define fix(n) cout << fixed << setprecision(n)

#define rep(i,a,b) for(int i=a;i<b;i++)
#define ren(i,a,b) for(int i=a;i>=b;i--)

#define ll  long long
#define ull unsigned long long

#define mp make_pair
#define pb push_back
#define fi first
#define se second

#define vi      vector<int>
#define pii     pair<int,int>
#define piii    pair<pair<int,int>,int>
#define all(v)  v.begin(), v.end()

int mod = 1000000007;
const int N = 1005;

// gcd
ll gcd(ll a , ll b)
{
    if ( b == 0)
    return a;
    return gcd( b, a % b);
}
int incnt[N];
int outcnt[N];
ll inweight[N];
ll outweight[N];
int desired[N];
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	int ans = "";
	for ( int i = 0; i < 3; i++)
    {
        
        for ( int j = 0; j < 3;j ++)
            
        {
            char x;
            cin >> x;
            if ( i == j)
            {
                ans += x;
            }
        }
    }
    cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:19: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
   44 |         int ans = "";
      |                   ^~
      |                   |
      |                   const char*
Language: C++

#include<iostream>
#include<cstdio>
#include<string>
#include<cmath>
#include<cstring>
#include<queue>
#include<algorithm>
#include<sstream>
#include<deque>
#include<iomanip>
#include<cctype>
#include<vector>
#include<utility>
#include<windows.h>
#include<time.h>
#include<set>
#include<map>
#include<stdio.h>
#include<stack>
#define F(i,a,b) for(int (i)=(a);(i)<(b);(i)++)

using namespace std;

int main(void)
{
	IOS;BASE;

	/*****************************************
	#ifndef ONLINE_JUDGE
		freopen(CIN_FILE,"r",stdin);
		freopen(COUT_FILE,"w",stdout);
	#endif
	*****************************************/
	
	char c[100][100];
	F(i,0,3)cin>>c[i];
	cout<<c[0][0]<<c[1][1]<<c[2][2];

	return 0;
}

Compiler output:
a.cc:14:9: fatal error: windows.h: No such file or directory
   14 | #include<windows.h>
      |         ^~~~~~~~~~~
compilation terminated.
Language: C++

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

#define pi 3.141592654
#define fix(n) cout << fixed << setprecision(n)

#define rep(i,a,b) for(int i=a;i<b;i++)
#define ren(i,a,b) for(int i=a;i>=b;i--)

#define ll  long long
#define ull unsigned long long

#define mp make_pair
#define pb push_back
#define fi first
#define se second

#define vi      vector<int>
#define pii     pair<int,int>
#define piii    pair<pair<int,int>,int>
#define all(v)  v.begin(), v.end()

int mod = 1000000007;
const int N = 1005;

// gcd
ll gcd(ll a , ll b)
{
    if ( b == 0)
    return a;
    return gcd( b, a % b);
}
int incnt[N];
int outcnt[N];
ll inweight[N];
ll outweight[N];
int desired[N];
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	int ans = "";
	for ( int i = 0; i < 3; i++)
    {
        
        for ( int j = 0; j < 3;j ++)
            
        {
            char x;
            cin >> x;
            if ( i == j)
            {
                ans += x;
            }
        }
    }
    cout <<x << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:19: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
   44 |         int ans = "";
      |                   ^~
      |                   |
      |                   const char*
a.cc:59:12: error: 'x' was not declared in this scope
   59 |     cout <<x << endl;
      |            ^
Language: C++

#include <stdio.h>
#include <math.h>
char a[6],b[6];
int p;
int main(){
scanf("%c %c",&a,&b);
if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
for(int l=0;l<3;l++){
p=(int)a[0]*(int)pow(10,2-l)-1;
}
}
else{
for(int l=0;l<3;l++){
p=(int)a[0]*(int)pow(10,2-l);
}
}
if(b[1]<b[3]||(b[1]==b[3]&&b[0]>b[4]){
for(int l=0;l<3;l++){
p+=(int)b[0]*(int)pow(10,2-l)-1;
}
}
else{
for(int l=0;l<3;l++){
p+=(int)b[0]*(int)pow(10,2-l);
}
}
printf("%d",p);
return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:7:38: error: expected ')' before '{' token
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |   ~                                  ^
      |                                      )
Language: C++

#include <stdio.h>
#include <math.h>
char a[6],b[6];
int p;
int main(){
scanf("%c %c",&a,&b);
if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4])){
for(int l=0;l<3;l++){
p=(int)a[0]*(int)pow(10,2-l)-1;
}
else{
for(int l=0;l<3;l++){
p=(int)a[0]*(int)pow(10,2-l);
}
}
if(b[1]<b[3]||(b[1]==b[3]&&b[0]>b[4])){
for(int l=0;l<3;l++){
p+=(int)b[0]*(int)pow(10,2-l)-1;
}
else{
for(int l=0;l<3;l++){
p+=(int)b[0]*(int)pow(10,2-l);
}
}
printf("%d",p);
return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:11:1: error: expected '}' before 'else'
   11 | else{
      | ^~~~
a.cc:7:39: note: to match this '{'
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4])){
      |                                       ^
a.cc:20:1: error: expected '}' before 'else'
   20 | else{
      | ^~~~
a.cc:16:39: note: to match this '{'
   16 | if(b[1]<b[3]||(b[1]==b[3]&&b[0]>b[4])){
      |                                       ^
Language: C

#include<stdio.h>
void main()
{
    int i,j;
    ch str[3][3];
    for(i=0;i<3;i++){
        for(j=0;j<3;j++)
            scanf("%c",&str[i][j]);
    }
    printf("%c%c%c\n",str[0][0],str[1][1],str[2][2]);
}

Compiler output:
main.c: In function 'main':
main.c:5:5: error: unknown type name 'ch'; did you mean 'char'?
    5 |     ch str[3][3];
      |     ^~
      |     char
Language: C++

#include<bits/stdc++.h>
 2using namespace std;
 3main(){
 4  int a,b;
 5  cin>>a>>b;
 6  int ans=b-a;
 7  int temp=a;
 8  int cnt10000=0,cnt1000=0;
 9  while(temp>=10000){
10    temp-=10000;
11    cnt10000++;
12  }
13  while(temp>=1000){
14    temp-=1000;
15    cnt1000++;
16  }
17  if(temp<100){
18    if(temp<=cnt10000*10+cnt1000) cout<<(b-a)/100+1<<endl;
19    else cout<<(b-a)/100<<endl;
20  }else{
21    cout<<(b-a)/100<<endl;
22  }
23  return 0;
24}

Compiler output:
a.cc:2:2: error: expected unqualified-id before numeric constant
    2 |  2using namespace std;
      |  ^~~~~~
a.cc:3:2: error: expected unqualified-id before numeric constant
    3 |  3main(){
      |  ^~~~~
Language: C++

#include<cstdio>


int main(){
	char s[5];
	for(int i=1;i<=3;i++){
		gets(s+1);
		putchar(s[i]);
	}
	puts("");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:17: error: 'gets' was not declared in this scope; did you mean 'getw'?
    7 |                 gets(s+1);
      |                 ^~~~
      |                 getw
Language: C

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main()
{
	int n = 0;
	scanf("%d", &n);
	int i;
	char tab[100];
	char res[100];
	char t[100];
	scanf("%s", tab);
	scanf("%s", res);
	scanf("%s", t);
	printf("%c%c%c\n", tab[0], res[1], t[2]);
        
       return 0;

Compiler output:
main.c: In function 'main':
main.c:22:8: error: expected declaration or statement at end of input
   22 |        return 0;
      |        ^~~~~~
Language: C

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main()
{
	int n = 0;
	scanf("%d", &n);
	int i;
	char tab[100];
	char res[100];
	char t[100];
	scanf("%s", tab);
	scanf("%s", res);
	scanf("%s", t);
	printf("%c%c%c\n", tab[0], res[1], t[2]);
         return 0;

Compiler output:
main.c: In function 'main':
main.c:21:10: error: expected declaration or statement at end of input
   21 |          return 0;
      |          ^~~~~~
Language: C++

#include<iostream>;
using namespace std;
int main(){
int a;
int b;
int c; 
int d;
int e;
int f;
int g;
int h;
int i;
cin>>a>>b>>c>>d>>e>>f>>g>>h>>i;
cout<<a e i<<endl;
return 0
}


Compiler output:
a.cc:1:19: warning: extra tokens at end of #include directive
    1 | #include<iostream>;
      |                   ^
a.cc: In function 'int main()':
a.cc:14:8: error: expected ';' before 'e'
   14 | cout<<a e i<<endl;
      |        ^~
      |        ;
a.cc:15:9: error: expected ';' before '}' token
   15 | return 0
      |         ^
      |         ;
   16 | }
      | ~
Language: C++

#include<algorithm>
#include<iostream>
#include<string.h>
#include<stdio.h>
#include<string>
#include<math.h>
#include<vector>
#include<queue>
#include<set>
#include<map>
#include<memory.h>
#include<complex>
#include<sstream>
#include<cstdio>
#include<bitset>
#include<cmath>
#include<stack>
#include<ctime>
using namespace std;
int main()
{
int a[3][3]={
{0,1,2},
{3,4,5},
{6,7,8};
}
cout<<a[0][0]<<a[1][1]<<a[2][2];
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:8: error: expected '}' before ';' token
   25 | {6,7,8};
      |        ^
a.cc:22:13: note: to match this '{'
   22 | int a[3][3]={
      |             ^
a.cc: At global scope:
a.cc:27:1: error: 'cout' does not name a type
   27 | cout<<a[0][0]<<a[1][1]<<a[2][2];
      | ^~~~
a.cc:28:1: error: expected unqualified-id before 'return'
   28 | return 0;
      | ^~~~~~
a.cc:29:1: error: expected declaration before '}' token
   29 | }
      | ^
Language: C++

#include <stdio.h>
#include <math.h>
char a,b;
int p;
int main(){
scanf("%c %c",&a,&b);
if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
for(int l=0;l<3;l++){
p=(int)a[0]*(int)pow(10,2-l)-1;
}
else{
for(int l=0;l<3;l++){
p=(int)a[0]*(int)pow(10,2-l);
}
}
if(b[1]<b[3]||(b[1]==b[3]&&b[0]>b[4]){
for(int l=0;l<3;l++){
p+=(int)b[0]*(int)pow(10,2-l)-1;
}
else{
for(int l=0;l<3;l++){
p+=(int)b[0]*(int)pow(10,2-l);
}
}
printf("%d",p);
return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: invalid types 'char[int]' for array subscript
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |     ^
a.cc:7:10: error: invalid types 'char[int]' for array subscript
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |          ^
a.cc:7:17: error: invalid types 'char[int]' for array subscript
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |                 ^
a.cc:7:23: error: invalid types 'char[int]' for array subscript
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |                       ^
a.cc:7:29: error: invalid types 'char[int]' for array subscript
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |                             ^
a.cc:7:34: error: invalid types 'char[int]' for array subscript
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |                                  ^
a.cc:7:38: error: expected ')' before '{' token
    7 | if(a[1]<a[3]||(a[1]==a[3]&&a[0]>a[4]){
      |   ~                                  ^
      |                                      )
a.cc:27:2: error: expected statement at end of input
   27 | }
      |  ^
a.cc:27:2: error: expected '}' at end of input
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include<iostream>
#include<algorithm>
#include<vector>

#define REP(i,n) for(int i=0;i<n;i++)
#define llong long long

using namespace std;

int main(){

	inc c[3][3];

	REP(i, 3) {
		REP(j, 3) {
			cin >> c[i][j];
		}
	}

	cout << c[0][0] << c[1][1] << c[2][2] << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'inc' was not declared in this scope; did you mean 'int'?
   12 |         inc c[3][3];
      |         ^~~
      |         int
a.cc:16:32: error: 'c' was not declared in this scope
   16 |                         cin >> c[i][j];
      |                                ^
a.cc:20:17: error: 'c' was not declared in this scope
   20 |         cout << c[0][0] << c[1][1] << c[2][2] << endl;
      |                 ^
Language: C++

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

int main(){
 string C1,C2,C3;
 char a,b,c;
 getline(cin,C1);
 getline(cin,C2);
 getline(cin,C3);
 a = C1[0]; b = C2[1] ; c = C3[2]
cout << a << b << c <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:34: error: expected ';' before 'cout'
   11 |  a = C1[0]; b = C2[1] ; c = C3[2]
      |                                  ^
      |                                  ;
   12 | cout << a << b << c <<endl;
      | ~~~~