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

///
//  Author : Author
// Created On : Mon Dec 18 2017
//  File : a.cpp.cpp
//
#include <cstdint>
#include <iostream>

using namesapce std;

int32_t mian() {
  char X, Y;
  cin >> X, Y;
  if (X == Y) {
    cout << "=" << endl;
  } else if (X < Y) {
    cout << "<" << endl;
  } else {
    cout << ">" << endl;
  }

  return 0;
}


Compiler output:
a.cc:9:7: error: expected nested-name-specifier before 'namesapce'
    9 | using namesapce std;
      |       ^~~~~~~~~
a.cc: In function 'int32_t mian()':
a.cc:13:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
   13 |   cin >> X, Y;
      |   ^~~
      |   std::cin
In file included from a.cc:7:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:15:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |     cout << "=" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:15:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   15 |     cout << "=" << endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:17:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   17 |     cout << "<" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:17:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   17 |     cout << "<" << endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:19:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   19 |     cout << ">" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:19:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   19 |     cout << ">" << endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C

#include <stdio.h>
#include <string.h>

int Main(){
	char x[1], y[1] , xn, yn;
	scanf("%s %s", x,y);
	if(strcmp(x ,"A")==0){
		xn = 10;
	}
	if(strcmp(x ,"B")==0){
		xn = 11;
	}
	if(strcmp(x ,"C")==0){
		xn = 12;
	}
	if(strcmp(x ,"D")==0){
		xn = 13;
	}
	if(strcmp(x ,"E")==0){
		xn = 14;
	}
	if(strcmp(x ,"F")==0){
		xn = 15;
	}
	if(strcmp(y ,"A")==0){
		yn = 10;
	}
	if(strcmp(y ,"B")==0){
		yn = 11;
	}
	if(strcmp(y ,"C")==0){
		yn = 12;
	}
	if(strcmp(y ,"D")==0){
		yn = 13;
	}
	if(strcmp(y ,"E")==0){
		yn = 14;
	}
	if(strcmp(y ,"F")==0){
		yn = 15;
	}
	if(xn < yn){
		printf("<");
	}else if(xn > yn){
		printf(">");
	}else{
		printf("=");
	}

	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: C

#include <stdio.h>
#include <string.h>

int main(){
	char x[1], y[1] , xn, yn;
	scanf("%s %s", x,y);
	if(strcmp(x ,"A")==0){
		xn = 10;
	}
	if(strcmp(x ,"B")==0){
		xn = 11;
	}
	if(strcmp(x ,"C")==0){
		xn = 12;
	}
	if(strcmp(x ,"D")==0){
		xn = 13;
	}
	if(strcmp(x ,"E")==0){
		xn = 14;
	}
	if(strcmp(x ,"F")==0){
		xn = 15;
	}
	if(strcmp(y ,"A")==0){
		yn = 10;
	}
	if(strcmp(y ,"B")==0){
		yn = 11;
	}
	if(strcmp(y ,"C")==0){
		yn = 12;
	}
	if(strcmp(y ,"D")==0){
		yn = 13;
	}
	if(strcmp(y ,"E")==0){
		yn = 14;
	}
	if(strcmp(y ,"F")==0){
		yn = 15;
	}
	if(xn < yn){
		printf("<");
	}
	else if(xn > yn){
		printf(">");
	}
	else(xn == yn){
		printf("=");
	}

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:49:23: error: expected ';' before '{' token
   49 |         else(xn == yn){
      |                       ^
      |                       ;
Language: C

#include<stdio.h>

int main(void)
{
   char X[2];   
   char Y[2];
   scanf("%s%s",&X &Y);
   
   if(X<Y)
   {
    printf("<\n"); 
   }
   else if(X>Y)
   {
   	printf(">\n");
   }
   else
   {
   	printf("=\n");
   }
	return(0);
}


Compiler output:
main.c: In function 'main':
main.c:7:20: error: invalid operands to binary & (have 'char (*)[2]' and 'char *')
    7 |    scanf("%s%s",&X &Y);
      |                 ~~ ^
      |                 |  |
      |                 |  char *
      |                 char (*)[2]
Language: C

#include<stdio.h>

int main(void)
{
   char X[2];   
   char Y[2];
   scanf("%s%s",&X &Y);
   
   if(X<Y)
   {
   	printf("<\n");
   } 
   if(X>Y)
   {
   	printf(">\n");
   }
   if(X=Y)
   {
   	printf("=\n");
   }
	return(0);
}

Compiler output:
main.c: In function 'main':
main.c:7:20: error: invalid operands to binary & (have 'char (*)[2]' and 'char *')
    7 |    scanf("%s%s",&X &Y);
      |                 ~~ ^
      |                 |  |
      |                 |  char *
      |                 char (*)[2]
main.c:17:8: error: assignment to expression with array type
   17 |    if(X=Y)
      |        ^
Language: C++



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

public class Main {
    public static void main(String[] args) throws IOException {
        FastScanner in = new FastScanner();

        String x = in.nextLine();
        String y = in.nextLine();

        int compare = x.compareTo(y);
        if (compare < 0) {
            //x is smaller
            System.out.println("<");
        }
        else if (compare > 0) {
            //x is larger
            System.out.println(">");
        }
        else {
            //x is equal to y
            System.out.println("=");
        }
    }

    public static class FastScanner {
        BufferedReader br;
        StringTokenizer st;

        public FastScanner(String s) {
            try {
                br = new BufferedReader(new FileReader(s));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

        public FastScanner() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String nextToken() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        String nextLine() {
            st = null;
            try {
                return br.readLine();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            return null;
        }

        int nextInt() {
            return Integer.parseInt(nextToken());
        }

        long nextLong() {
            return Long.parseLong(nextToken());
        }

        double nextDouble() {
            return Double.parseDouble(nextToken());
        }
    }
}


Compiler output:
a.cc:3:1: error: 'import' does not name a type
    3 | import java.io.*;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: 'import' does not name a type
    4 | import java.util.StringTokenizer;
      | ^~~~~~
a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:6:1: error: expected unqualified-id before 'public'
    6 | public class Main {
      | ^~~~~~
Language: C++

#include <iostream>
using namespace std;


int main(){
    char s[ 2 ][ 10 ];
    for( int i = 0; i < 2; i++ )
        cin >> s[ i ];
    int k = strcmp( s[ 0 ], s[ 1 ] );
    if( k > 0 ) cout << ">" << endl;
    else if( k == 0 ) cout << "=" << endl;
    else cout << "<" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:13: error: 'strcmp' was not declared in this scope
    9 |     int k = strcmp( s[ 0 ], s[ 1 ] );
      |             ^~~~~~
a.cc:2:1: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | using namespace std;
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
  string X,Y;
  cin>>X>>Y;
  if(X[0]<Y[0])
    {
      cout<<"<"<<endl;
    }
  if(X[0]==Y[0])
    {
    cout<<"="<<endl;
  }
  if(X[0]>Y[0])
    cout<<">"<<endl;
}

  return 0;
}


Compiler output:
a.cc:20:3: error: expected unqualified-id before 'return'
   20 |   return 0;
      |   ^~~~~~
a.cc:21:1: error: expected declaration before '}' token
   21 | }
      | ^
Language: Java

import java.util.*;
public class _078_P1 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Scanner sc = new Scanner(System.in);
		
		char a = sc.next().charAt(0), b = sc.next().charAt(0);
		if(a > b) System.out.println(">");
		if(a < b) System.out.println("<");
		if(a == b) System.out.println("=");
	}

}


Compiler output:
Main.java:2: error: class _078_P1 is public, should be declared in a file named _078_P1.java
public class _078_P1 {
       ^
1 error
Language: C

#include <stdio.h>

int main(int argc, char **argv)
{
    char X[2];
    char Y[2];
    int A,B,C,D,E,F;
    A<B<C<D<E<F;
    scanf("%s%s",&X,&Y);
    if(X < Y);
    printf("<\n");
    if(X = Y);
    printf("=\n");
    if(X > Y);
    printf(">\n");
    return(0);
 }


Compiler output:
main.c: In function 'main':
main.c:12:10: error: assignment to expression with array type
   12 |     if(X = Y);
      |          ^
Language: C

#include <stdio.h>

int main(int argc, char **argv)
{
    char X[2];
    char Y[2];
    scanf("%c%c",&X,&Y);
    if(X < Y);
    printf("<\n");
    if(X = Y);
    printf("=\n");
    if(X > Y);
    printf(">\n");
    return(0);
 }


Compiler output:
main.c: In function 'main':
main.c:10:10: error: assignment to expression with array type
   10 |     if(X = Y);
      |          ^
Language: C++

#include <iostream>
#include <string>

int main(){
  int x, y;
  cin >> x >> y;
  if(x > y) cout << ">" << endl;
  else if(x = y) cout << "=" << endl;
  else cout << "<" << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> x >> y;
      |   ^~~
      |   std::cin
In file included 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:7:13: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   if(x > y) cout << ">" << endl;
      |             ^~~~
      |             std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:28: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |   if(x > y) cout << ">" << endl;
      |                            ^~~~
      |                            std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:8:18: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   else if(x = y) cout << "=" << endl;
      |                  ^~~~
      |                  std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:33: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |   else if(x = y) cout << "=" << endl;
      |                                 ^~~~
      |                                 std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:9:8: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |   else cout << "<" << endl;
      |        ^~~~
      |        std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:9:23: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |   else cout << "<" << endl;
      |                       ^~~~
      |                       std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

using namespace std;

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

	char X, Y;
	cin >> X >> Y;

	if (X > Y)
		cout << ">";
	else if (X == Y)
		cout << "=";
	else if (X < Y)
		cout << "<";
	
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin.tie(0);
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:9: error: 'ios' has not been declared
    6 |         ios::sync_with_stdio(false);
      |         ^~~
a.cc:12:17: error: 'cout' was not declared in this scope
   12 |                 cout << ">";
      |                 ^~~~
a.cc:12:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:14:17: error: 'cout' was not declared in this scope
   14 |                 cout << "=";
      |                 ^~~~
a.cc:14:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:17: error: 'cout' was not declared in this scope
   16 |                 cout << "<";
      |                 ^~~~
a.cc:16:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include "stdafx.h"
#include <map>
#include <iostream>

using namespace std;

	

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

	char X, Y;
	cin >> X >> Y;

	if (X > Y)
		cout << ">";
	else if (X == Y)
		cout << "=";
	else if (X < Y)
		cout << "<";
	
    return 0;
}


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

n = gets
token = n.split(" ")
X = token[0]
Y = token[1]
#p, X, Y
if X < Y
  puts "<"
elsif X > Y 
  puts "<"
else 
  puts "="
end 

Compiler output:
a.cc:5:2: error: invalid preprocessing directive #p
    5 | #p, X, Y
      |  ^
a.cc:1:1: error: 'n' does not name a type
    1 | n = gets
      | ^
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main(void){

    string x,y;
    int a,b;
　cin >> x >> y; 
    

    if(x>y) cout << ">" << endl;
    else if (x<y) cout << "<" << endl;
    else cout << "=" << endl;
           
     return 0;   
}


Compiler output:
a.cc:8:1: error: extended character 　 is not valid in an identifier
    8 | 　cin >> x >> y;
      | ^
a.cc: In function 'int main()':
a.cc:8:1: error: '\U00003000cin' was not declared in this scope
    8 | 　cin >> x >> y;
      | ^~~~~
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main(void){

    string x,y;
    int a,b;
　cin >> x >> y; 
    
    a = std::stoi(x); 
    b = std::stoi(y);

    if(a>b) cout << ">" << endl;
    else if (a<b) << "<" << endl;
    else cout << "=" << endl;
           
     return 0;   
}


Compiler output:
a.cc:8:1: error: extended character 　 is not valid in an identifier
    8 | 　cin >> x >> y;
      | ^
a.cc: In function 'int main()':
a.cc:8:1: error: '\U00003000cin' was not declared in this scope
    8 | 　cin >> x >> y;
      | ^~~~~
a.cc:14:19: error: expected primary-expression before '<<' token
   14 |     else if (a<b) << "<" << endl;
      |                   ^~
Language: C

int main(){
    char a, b, c;
    scanf("%c %c", &a, &b);
    if(a > b) c = '>';
    else if(a == b) c = '=';
    else c = '<';
    printf("%c\n", c);
    return 0;

Compiler output:
main.c: In function 'main':
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%c %c", &a, &b);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%c %c", &a, &b);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:7:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    7 |     printf("%c\n", c);
      |     ^~~~~~
main.c:7:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:7:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:7:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:8:5: error: expected declaration or statement at end of input
    8 |     return 0;
      |     ^~~~~~
Language: C++

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

int main() {
	// your code goes here
	char first , second;
	cin >> first >> second;
	if(first < second )
		cout << "<";
	else if (first == second)
		cout << "="
	else
		cout << ">";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:28: error: expected ';' before 'else'
   11 |                 cout << "="
      |                            ^
      |                            ;
   12 |         else
      |         ~~~~
Language: C++

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

int main() {
	// your code goes here
	char first , second;
	cin >> first >> second;
	if(first < second )
		cout << "<";
	else
		cout << ">";
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:12:18: error: expected '}' at end of input
   12 |         return 0;
      |                  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

#include <stdio.h>

main() {
	int ch1,ch2;
	int a = 0;
	scanf("%x %x", &ch1, &ch2);

	a = ch1 - ch2;

	if (a < 0)
	{
		printf("＜\n");
	}
	else if (a == 0)
	{
		printf("＝\n");
	}
	else
	{
		printf("＞\n");
	}

	getch();

}

Compiler output:
main.c:3:1: error: return type defaults to 'int' [-Wimplicit-int]
    3 | main() {
      | ^~~~
main.c: In function 'main':
main.c:23:9: error: implicit declaration of function 'getch'; did you mean 'getc'? [-Wimplicit-function-declaration]
   23 |         getch();
      |         ^~~~~
      |         getc
Language: C

#include<stdio.h>
int main()
{
	int X, Y;
	while(scanf("%X%X",&X,&Y)!=EOF){
		if(X<Y){
			printf("<\n");
			printf("%d<%d.\n",X,Y);}
		else if(X>Y){
			printf(">\n");
			printf("%d>%d.\n",X,Y);}
		else if(X=Y){
			printf("=\n");
			printf("%d=%d.\n",X,Y);}}
	return 0;

Compiler output:
main.c: In function 'main':
main.c:15:9: error: expected declaration or statement at end of input
   15 |         return 0;
      |         ^~~~~~
Language: C

#include<stdio.h>
int main()
{
	char X, Y;
	while(scanf("%X%X",&X,&Y)!=EOF){
		if(X<Y){
			printf("<\n");
			printf("%d<%d.\n",X,Y);}
		else if(X>Y){
			printf(">\n");
			printf("%d>%d.\n",X,Y);}
		else if(X=Y){
			printf("=\n");
			printf("%d=%d.\n",X,Y);}}
	return 0;

Compiler output:
main.c: In function 'main':
main.c:15:9: error: expected declaration or statement at end of input
   15 |         return 0;
      |         ^~~~~~
Language: C

#include<stdio.h>
int main()
{
	char m,n;
	while(scanf("%c %c",&m,&n)!=EOF)
	{
	   if(m<n)
	   {
		printf("<\n");
		
	   }
	   if(m>n)
	   {
		printf(">");
		
	   if(m==n)
	   {
        printf("=");
	
	   }
	 }
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:23:1: error: expected declaration or statement at end of input
   23 | }
      | ^
Language: Java

import java.util.Scanner;
public class main{
    public static void main(String[] args){
        Scanner inputX = new Scanner(System.in);
        Scanner inputY = new Scanner(System.in);
        char inX = inputX.next().charAt(0);
        char inY = inputY.next().charAt(0);
        if(inX < inY){
            System.out.println("<");
        }
        else if(inX > inY){
            System.out.println(">");
        }
        else{
            System.out.println("=");
        }
    }
}

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

import java.util.Scanner;
public class HEX{
    public static void main(String[] args){
        Scanner inputX = new Scanner(System.in);
        Scanner inputY = new Scanner(System.in);
        char inX = inputX.next().charAt(0);
        char inY = inputY.next().charAt(0);
        if(inX < inY){
            System.out.println("<");
        }
        else if(inX > inY){
            System.out.println(">");
        }
        else{
            System.out.println("=");
        }
    }
}

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

#include <cstdio>
#include <cstdlib>
int main(void) {
	char x,y;
	scanf("%c", &x);
	scanf("%c", &y);
	x = atoi(x);
	y = atoi(y);
	if (x < y) printf("<");
	else {
		if (x = y) printf("=");
		else printf(">");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
    7 |         x = atoi(x);
      |                  ^
      |                  |
      |                  char
In file included from /usr/include/c++/14/cstdlib:79,
                 from a.cc:2:
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:8:18: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
    8 |         y = atoi(y);
      |                  ^
      |                  |
      |                  char
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
Language: C++

#include <iostream>
using namespace std

int main (void){
  char X,Y;
  cin >> X >> Y;
  if (X == Y) cout << "=" << endl;
  else if (X < Y) cout << "<" << endl;
  else cout << ">" << endl;
  return 0;
}

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

#include <bits/stdc++.h>
using namespace std;
struct Solution {
    void solve(std::istream& in, std::ostream& out) {
        string o, t;
        in >> o >> t;
        out << (o[0] == t[0] ? '=' : o[0] > t[0] ? '>' : '<') << '\n';
    }
};
void solve(std::istream& in, std::ostream& out) {
    out << std::setprecision(12);
    Solution solution;
    solution.solve(in, out);
}
#include <fstream>
#include <iostream>
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    istream& in = cin;
    ostream& out = cout;
    solve(in, out);
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:23:14: error: expected '}' at end of input
   23 |     return 0;
      |              ^
a.cc:17:12: note: to match this '{'
   17 | int main() {
      |            ^
Language: Java

import java.util.Scanner;

public class Ahex{
    public static void main(String[] args){
        //文字列を取得
        Scanner scanner = new Scanner(System.in);
        String s1 = scanner.next();
        String s2 = scanner.next();

        //文字列の0番目の文字を取得
        char c1 = s1.charAt(0);
        char c2 = s2.charAt(0);

        if(c1 > c2){
            System.out.println(">");
        }else if(c1 < c2){
            System.out.println("<");
        }else{
            System.out.println("=");
        }
    }
}

Compiler output:
Main.java:3: error: class Ahex is public, should be declared in a file named Ahex.java
public class Ahex{
       ^
1 error
Language: C++

#include <iostream>

using namespace std;

int main(int argc, char const *argv[]) {
	char x,y
	std::cin >> x >> y;
	if (x > y) {
		std::cout << ">" << '\n';
	}
	if (x == y) {
		std::cout << "=" << '\n';
	}
	else {
		std::cout << "<" << '\n';
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:7:9: error: expected initializer before 'std'
    7 |         std::cin >> x >> y;
      |         ^~~
a.cc:8:17: error: 'y' was not declared in this scope
    8 |         if (x > y) {
      |                 ^
a.cc:11:18: error: 'y' was not declared in this scope
   11 |         if (x == y) {
      |                  ^
Language: C++

#include<cstdio>
using namespace std;
 
char x,y;
char A,B,C,D,E,F;
int main()
{
	A=10;B=11;C=12;D=13;E=14;F=15;
	while(~scanf("%c %c",&x,&y))
	{
		if(x>y)
			{
				printf(">");
				break;
			}
			else if(x<y)
			{
				printf("<");
				break;
			}
			else
				{
					printf("=");
					break;
				}
	}
}

Compiler output:
a.cc:3:1: error: extended character   is not valid in an identifier
    3 |  
      | ^
a.cc:3:1: error: '\U000000a0' does not name a type
    3 |  
      | ^
a.cc: In function 'int main()':
a.cc:9:31: error: 'x' was not declared in this scope
    9 |         while(~scanf("%c %c",&x,&y))
      |                               ^
a.cc:9:34: error: 'y' was not declared in this scope
    9 |         while(~scanf("%c %c",&x,&y))
      |                                  ^
Language: C++

#include<cstdio>
#include<cmath>
#include<cstring>
#include<algorithm>

char X,Y;
char A,B,C,D,E,F;
int main()
{
	A=10;B=11;C=12;D=13;E=14;F=15;
	while(~scanf("%c %c",&X,&Y)
		if(X>Y)
		{       
                        printf(">");
		        break;
		}
		else if(X<Y)
		{
			prntf("<");
			break;
		}
		else
		{
			printf("=");
			break;
		}
		return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:36: error: expected ')' before 'if'
   11 |         while(~scanf("%c %c",&X,&Y)
      |              ~                     ^
      |                                    )
   12 |                 if(X>Y)
      |                 ~~                  
a.cc:19:25: error: 'prntf' was not declared in this scope; did you mean 'printf'?
   19 |                         prntf("<");
      |                         ^~~~~
      |                         printf
Language: C++

#include<cstdio>
#include<cmath>
#include<cstring>
#include<algorithm>

char X,Y;
char A,B,C,D,E,F;
int main()
{
	A=10;B=11;C=12;D=13;E=14;F=15;
	while(~scanf("%c %c",&X,&Y)
		if(X>Y)
		{printf(">");
		break;
		}
		else if(X<Y)
		{
			prntf("<");
			break;
		}
		else
		{
			printf("=");
			break;
		}
		return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:36: error: expected ')' before 'if'
   11 |         while(~scanf("%c %c",&X,&Y)
      |              ~                     ^
      |                                    )
   12 |                 if(X>Y)
      |                 ~~                  
a.cc:18:25: error: 'prntf' was not declared in this scope; did you mean 'printf'?
   18 |                         prntf("<");
      |                         ^~~~~
      |                         printf
Language: C

#include <stdio.h>
int main(){
char x,y;
scanf("%c",&x);
scanf("%c",&y);
int p,q;
switch(x){
Case 'A': p = 10; break;
Case 'B': p = 11; break;
Case 'C': p = 12; break;
Case 'D': p = 13; break;
Case 'E': p = 14; break;
Case 'F': p = 15; break;
}
switch(y){
Case 'A': q = 10; break;
Case 'B': q = 11; break;
Case 'C': q = 12; break;
Case 'D': q = 13; break;
Case 'E': q = 14; break;
Case 'F': q = 15; break;
}
if(p > q){
printf(">\n");
}else if(p < q){
printf("<\n");
}else{
printf("=\n");
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:1: error: 'Case' undeclared (first use in this function)
    8 | Case 'A': p = 10; break;
      | ^~~~
main.c:8:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:8:5: error: expected ';' before 'A'
    8 | Case 'A': p = 10; break;
      |     ^~~~
      |     ;
main.c:9:5: error: expected ';' before 'B'
    9 | Case 'B': p = 11; break;
      |     ^~~~
      |     ;
main.c:10:5: error: expected ';' before 'C'
   10 | Case 'C': p = 12; break;
      |     ^~~~
      |     ;
main.c:11:5: error: expected ';' before 'D'
   11 | Case 'D': p = 13; break;
      |     ^~~~
      |     ;
main.c:12:5: error: expected ';' before 'E'
   12 | Case 'E': p = 14; break;
      |     ^~~~
      |     ;
main.c:13:5: error: expected ';' before 'F'
   13 | Case 'F': p = 15; break;
      |     ^~~~
      |     ;
main.c:16:5: error: expected ';' before 'A'
   16 | Case 'A': q = 10; break;
      |     ^~~~
      |     ;
main.c:17:5: error: expected ';' before 'B'
   17 | Case 'B': q = 11; break;
      |     ^~~~
      |     ;
main.c:18:5: error: expected ';' before 'C'
   18 | Case 'C': q = 12; break;
      |     ^~~~
      |     ;
main.c:19:5: error: expected ';' before 'D'
   19 | Case 'D': q = 13; break;
      |     ^~~~
      |     ;
main.c:20:5: error: expected ';' before 'E'
   20 | Case 'E': q = 14; break;
      |     ^~~~
      |     ;
main.c:21:5: error: expected ';' before 'F'
   21 | Case 'F': q = 15; break;
      |     ^~~~
      |     ;
Language: C++

    #include<cstdio>
    #include<cmath>
    #include<cstring>
    #include<algorithm>
    using namespace std;
     
    int main()
    {
    	char X;
    	scanf("%d %d \n",&X,&Y);
    	if(X>Y) 
    		printf(">");
    	else if(X<Y) 
    		printf("<");
    	else 
    		printf("=");
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:10:30: error: 'Y' was not declared in this scope
   10 |         scanf("%d %d \n",&X,&Y);
      |                              ^
Language: C

#include <cstdio>
#include <cmath>
using  namespace std;

int A=10,B=11,C=12,D=13,E=14,F=15;

int main()
{
	char X,Y;
	scanf("%c%c",&X,&Y);
	if(X > Y) printf(">");
	if(X < Y) printf("<");
	if(X == Y) printf("=");
	return 0;
}

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

#include <cstdio>
#include <cmath>
using  namespace std;

int A=10,B=11,C=12,D=13,E=14,F=15;

int main()
{
	char X,Y;
	scanf("%c%c",&X,&Y);
	else if(X > Y) printf(">");
	else if(X < Y) printf("<");
	else if(X == Y) printf("=");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'else' without a previous 'if'
   11 |         else if(X > Y) printf(">");
      |         ^~~~
Language: C++

#include<cstdio>
#include<cmath>
#include<algorithm>
#include<cstring>
#include<iostream>
using namespace std;

main()
{
	char x,y;
	scanf(" %c %c",&x,&y);
	if(x<y) printf("<\n");
	if(x>y) printf(">\n");
	if(x==y) printf("=\n");
		


Compiler output:
a.cc:8:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    8 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:14:32: error: expected '}' at end of input
   14 |         if(x==y) printf("=\n");
      |                                ^
a.cc:9:1: note: to match this '{'
    9 | {
      | ^
Language: C++

#include <cstdio>
#include <vector>
#include <utility>
#include <math.h>
using namespace std;

int main ()
{
  int N;
  int Z, W;
  vector<int> a(2000);
  int i;
  int x, s, tmp, t;

  scanf("%d", &N);
  scanf("%d", &Z);
  scanf("%d", &W);

  for (i = 0; i < n; i+=) {
    scanf("%d", &a[i]);
  }

  t = 0;
  x = 0;
  s = W;
  while (t < n - 1) {
    for (i = t; i < n; i++) {
      tmp = max(x, a[i]);
      if (tmp >= x) {
        x = tmp;
        t = i;
      }
    }

    for (i = t; i < n; i++) {
      tmp = min(s, a[i]);
      if (tmp <= s) {
        s = tmp;
        t = i;
      }
    }
  }

  if (x-s > 0) {
    printf("%d\n", x-s);
  } else {
    printf("%d\n", s-x);
  }

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:19: error: 'n' was not declared in this scope
   19 |   for (i = 0; i < n; i+=) {
      |                   ^
a.cc:19:25: error: expected primary-expression before ')' token
   19 |   for (i = 0; i < n; i+=) {
      |                         ^
a.cc:26:14: error: 'n' was not declared in this scope
   26 |   while (t < n - 1) {
      |              ^
Language: C++

#include <cmath>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <algorithm>
using namespace std;  

int main()
{
int x,y,z,w;
scanf("%d,%d,%d",&x,&y,&z);
for(scanf("%d,%d",&a,&b)
{
	if(a!=b)
{
if(a>b)
	printf("%d>%d\n",a,b);
	else
		printf("%d<%d\n",a,b);
}
else
	printf("%d=%d",a,b);
}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'a' was not declared in this scope
   12 | for(scanf("%d,%d",&a,&b)
      |                    ^
a.cc:12:23: error: 'b' was not declared in this scope
   12 | for(scanf("%d,%d",&a,&b)
      |                       ^
a.cc:24:1: error: expected primary-expression before 'return'
   24 | return 0;
      | ^~~~~~
a.cc:23:2: error: expected ';' before 'return'
   23 | }
      |  ^
      |  ;
   24 | return 0;
      | ~~~~~~
a.cc:24:1: error: expected primary-expression before 'return'
   24 | return 0;
      | ^~~~~~
a.cc:23:2: error: expected ')' before 'return'
   23 | }
      |  ^
      |  )
   24 | return 0;
      | ~~~~~~
a.cc:12:4: note: to match this '('
   12 | for(scanf("%d,%d",&a,&b)
      |    ^
Language: C

#include <stdio.h>
int main (void){
char a[],b[];
if('a'>'b'){
printf(">");
}else if('a'<'b'){
printf("<");
}else{
printf("=");
}
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:3:6: error: array size missing in 'a'
    3 | char a[],b[];
      |      ^
main.c:3:10: error: array size missing in 'b'
    3 | char a[],b[];
      |          ^
Language: C++

#include <cstdio>
using namespace std;
int main ()
{
	const char x,y;
	const A=10,B=11,C=12,D=13,E=14,F=15;
	while(~scanf("%c%c",&x,&y));{
	if (x<y)
		printf("<\n");
	else if (x>y)
			printf(">\n");
		 else if (x==y)
				printf("=\n");
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:20: error: uninitialized 'const x' [-fpermissive]
    5 |         const char x,y;
      |                    ^
a.cc:5:22: error: uninitialized 'const y' [-fpermissive]
    5 |         const char x,y;
      |                      ^
a.cc:6:15: error: 'A' does not name a type
    6 |         const A=10,B=11,C=12,D=13,E=14,F=15;
      |               ^
Language: C

#include<stdio.h>
int main()
{
char a,b;
while(scanf(“%c %c”,&a,&b)!=EOF)
{
If(a-b==0)
printf(“=\n”);
else if(a-b<0)
printf(“<\n”);
else if(a-b>0)
printf(“>\n”);
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:13: error: stray '\342' in program
    5 | while(scanf(<U+201C>%c %c<U+201D>,&a,&b)!=EOF)
      |             ^~~~~~~~
main.c:5:14: error: expected expression before '%' token
    5 | while(scanf(“%c %c”,&a,&b)!=EOF)
      |              ^
main.c:5:19: error: stray '\342' in program
    5 | while(scanf(<U+201C>%c %c<U+201D>,&a,&b)!=EOF)
      |                          ^~~~~~~~
main.c:7:1: error: implicit declaration of function 'If' [-Wimplicit-function-declaration]
    7 | If(a-b==0)
      | ^~
main.c:7:11: error: expected ';' before 'printf'
    7 | If(a-b==0)
      |           ^
      |           ;
    8 | printf(“=\n”);
      | ~~~~~~     
main.c:8:8: error: stray '\342' in program
    8 | printf(<U+201C>=\n<U+201D>);
      |        ^~~~~~~~
main.c:8:10: error: stray '\' in program
    8 | printf(“=\n”);
      |          ^
main.c:8:12: error: stray '\342' in program
    8 | printf(<U+201C>=\n<U+201D>);
      |                   ^~~~~~~~
main.c:9:1: error: 'else' without a previous 'if'
    9 | else if(a-b<0)
      | ^~~~
main.c:10:8: error: stray '\342' in program
   10 | printf(<U+201C><\n<U+201D>);
      |        ^~~~~~~~
main.c:10:9: error: expected expression before '<' token
   10 | printf(“<\n”);
      |         ^
main.c:10:10: error: stray '\' in program
   10 | printf(“<\n”);
      |          ^
main.c:10:12: error: stray '\342' in program
   10 | printf(<U+201C><\n<U+201D>);
      |                   ^~~~~~~~
main.c:12:8: error: stray '\342' in program
   12 | printf(<U+201C>>\n<U+201D>);
      |        ^~~~~~~~
main.c:12:9: error: expected expression before '>' token
   12 | printf(“>\n”);
      |         ^
main.c:12:10: error: stray '\' in program
   12 | printf(“>\n”);
      |          ^
main.c:12:12: error: stray '\342' in program
   12 | printf(<U+201C>>\n<U+201D>);
      |                   ^~~~~~~~
Language: C++

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

int main (){
    char A[2];
    cin >> A[0] >> A[1];
    if (A[0] == A[1]){cout << "=\n";}
    if (A[0]) > A[1]){cout << ">\n";}
    else {cout << "<\n";}
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: expected primary-expression before '>' token
    8 |     if (A[0]) > A[1]){cout << ">\n";}
      |               ^
Language: C++

#include <stdio.h>
int main ()
{
	char x,y;
	int a,b;
	scanf("%c %c", &x, &y)
	{

		if(a < b)
		{
			printf("<\n");
		}
		if(a > b)
		{
			printf(">\n");
		}
		if(a == b)
		{
			printf("=\n");
		}
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:31: error: expected ';' before '{' token
    6 |         scanf("%c %c", &x, &y)
      |                               ^
      |                               ;
    7 |         {
      |         ~
Language: C++

#include<stdio.h>
int main()
{
char a,b;
while(scanf(“%c %c”,&a,&b)!=EOF)
{
If(a-b==0)
printf(“=\n”);
else if(a-b<0)
printf(“<\n”);
else if(a-b>0)
printf(“>\n”);
}
return 0;
}

Compiler output:
a.cc:5:13: error: extended character “ is not valid in an identifier
    5 | while(scanf(“%c %c”,&a,&b)!=EOF)
      |             ^
a.cc:5:18: error: extended character ” is not valid in an identifier
    5 | while(scanf(“%c %c”,&a,&b)!=EOF)
      |                  ^
a.cc:8:8: error: extended character “ is not valid in an identifier
    8 | printf(“=\n”);
      |        ^
a.cc:8:10: error: stray '\' in program
    8 | printf(“=\n”);
      |          ^
a.cc:8:11: error: extended character ” is not valid in an identifier
    8 | printf(“=\n”);
      |           ^
a.cc:10:8: error: extended character “ is not valid in an identifier
   10 | printf(“<\n”);
      |        ^
a.cc:10:10: error: stray '\' in program
   10 | printf(“<\n”);
      |          ^
a.cc:10:11: error: extended character ” is not valid in an identifier
   10 | printf(“<\n”);
      |           ^
a.cc:12:8: error: extended character “ is not valid in an identifier
   12 | printf(“>\n”);
      |        ^
a.cc:12:10: error: stray '\' in program
   12 | printf(“>\n”);
      |          ^
a.cc:12:11: error: extended character ” is not valid in an identifier
   12 | printf(“>\n”);
      |           ^
a.cc: In function 'int main()':
a.cc:5:13: error: '\U0000201c' was not declared in this scope
    5 | while(scanf(“%c %c”,&a,&b)!=EOF)
      |             ^
a.cc:5:15: error: 'c' was not declared in this scope
    5 | while(scanf(“%c %c”,&a,&b)!=EOF)
      |               ^
a.cc:5:18: error: 'c\U0000201d' was not declared in this scope
    5 | while(scanf(“%c %c”,&a,&b)!=EOF)
      |                  ^~
a.cc:7:1: error: 'If' was not declared in this scope
    7 | If(a-b==0)
      | ^~
a.cc:9:1: error: 'else' without a previous 'if'
    9 | else if(a-b<0)
      | ^~~~
a.cc:10:11: error: 'n\U0000201d' was not declared in this scope
   10 | printf(“<\n”);
      |           ^~
a.cc:12:11: error: 'n\U0000201d' was not declared in this scope
   12 | printf(“>\n”);
      |           ^~
Language: C++

# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <tuple>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <bitset>
# include <complex>
# include <chrono>
# include <random>
# include <limits.h>
# include <unordered_map>
# include <unordered_set>
# include <deque>
# include <cstdio>
# include <cstring>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr long long MOD = 1000000000 + 7;
constexpr long long INF = 1e17 - 10;
const double PI = acos(-1);
typedef pair<LL, LL> Pll;
LL n, m,k, a[1000000] = {}, sum, ans = 0, dp[100000][10000] = {};
bitset<10000>bi[10] = {};
struct edge { LL to, cost; };
vector<edge>vec[100000];
string st[2],str;
int main(){
	cin >> n >> m;
	cout << (n > m ? ">" :(n<m? "<":"=")) << endl;
	return 0;
}

Compiler output:
/tmp/ccdd9T4R.o: in function `__tcf_0':
a.cc:(.text+0xac): relocation truncated to fit: R_X86_64_PC32 against symbol `vec' defined in .bss section in /tmp/ccdd9T4R.o
a.cc:(.text+0xb3): relocation truncated to fit: R_X86_64_PC32 against symbol `vec' defined in .bss section in /tmp/ccdd9T4R.o
/tmp/ccdd9T4R.o: in function `__tcf_1':
a.cc:(.text+0xe0): relocation truncated to fit: R_X86_64_PC32 against symbol `st[abi:cxx11]' defined in .bss section in /tmp/ccdd9T4R.o
a.cc:(.text+0xe7): relocation truncated to fit: R_X86_64_PC32 against symbol `st[abi:cxx11]' defined in .bss section in /tmp/ccdd9T4R.o
/tmp/ccdd9T4R.o: in function `__static_initialization_and_destruction_0()':
a.cc:(.text+0x10e): relocation truncated to fit: R_X86_64_PC32 against symbol `vec' defined in .bss section in /tmp/ccdd9T4R.o
a.cc:(.text+0x152): relocation truncated to fit: R_X86_64_PC32 against symbol `st[abi:cxx11]' defined in .bss section in /tmp/ccdd9T4R.o
a.cc:(.text+0x196): relocation truncated to fit: R_X86_64_PC32 against symbol `str[abi:cxx11]' defined in .bss section in /tmp/ccdd9T4R.o
a.cc:(.text+0x1af): relocation truncated to fit: R_X86_64_PC32 against symbol `str[abi:cxx11]' defined in .bss section in /tmp/ccdd9T4R.o
collect2: error: ld returned 1 exit status
Language: C

#include<cstdio>
#include<cstring>
#include<cmath>
#include<cstring>
#include<algorithm>
using namespace std;
int main()
{
	int X,Y,Z;
	int n,Q,W;
    scanf(" %d%d%d",&X,&Y,&Z);
	Q=X-2*Z;
	W=Y+Z;
	n=Q/W;
	if(Q%W>=Y)
		{n=n+1;}
		printf("%d",n);
		
}


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

#include<stdio.h>
2.int main(){
  int X,Y;
  if(scanf("%x %x",&X,&Y)<2)  exit(1);
  if(X<=15&&X>=10&&Y<=15&&Y>=10){
  if(X>Y)  printf("<\n");
  else if(X>Y)  printf(">\n");
  else  printf("=\n");
  }
 return 0;
}

Compiler output:
main.c:2:1: error: invalid suffix "int" on floating constant
    2 | 2.int main(){
      | ^~~~~
main.c:2:1: error: expected identifier or '(' before numeric constant
Language: Java

import java.io.IOException;
import java.util.Scanner;

public class Main {
  public static void main(String[] args) throes IOException {
    Scanner sc = new Scanner(System.in);
    int a = Integer.parseInt(sc.next(),16);
    int b = Integer.parseInt(sc.next(),16);
    String answer = "=";
    if(a>b){
      answer = ">";
    }else if(a<b){
      answer = "<";
    }
    System.out.println(answer);
    }
  }

Compiler output:
Main.java:5: error: ';' expected
  public static void main(String[] args) throes IOException {
                                        ^
1 error
Language: C++

#include <cmath>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <algorithm>
using namespace std;  

int main()
{
int ans[1005];
int a,b,c;
while (scanf("%d,%d",a,b)
{
	if(a!=b)
{
if(a>b)
	printf("%d>%d\n",a,b);
	else
		printf("%d<%d\n",a,b);
}
else
	printf("%d=%d",a,b);
return 0
}

}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:26: error: expected ')' before '{' token
   12 | while (scanf("%d,%d",a,b)
      |       ~                  ^
      |                          )
   13 | {
      | ~                         
a.cc:23:9: error: expected ';' before '}' token
   23 | return 0
      |         ^
      |         ;
   24 | }
      | ~
Language: C++

#include<bits/stdc++.h>
#include<cstdlib>

using namespace std;

int main(){

    int a,b;
    char X,Y;

    cin >>X >>Y;
    // a=(int)(X-'0');
    // b=(int)(Y-'0');

if(X=="A"){a=10;}
if(X=="B"){a=11;}
if(X=="C"){a=12;}
if(X=="D"){a=13;}
if(X=="E"){a=14;}
if(X=="F"){a=15;}
if(Y=="A"){b=10;}
if(Y=="B"){b=11;}
if(Y=="C"){b=12;}
if(Y=="D"){b=13;}
if(Y=="E"){b=14;}
if(Y=="F"){b=15;}

    if(a<b){cout<<"<"<<endl;}
    if(a==b){cout<<"="<<endl;}    
    else{cout<<">"<<endl;}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   15 | if(X=="A"){a=10;}
      |    ~^~~~~
a.cc:16:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   16 | if(X=="B"){a=11;}
      |    ~^~~~~
a.cc:17:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 | if(X=="C"){a=12;}
      |    ~^~~~~
a.cc:18:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   18 | if(X=="D"){a=13;}
      |    ~^~~~~
a.cc:19:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   19 | if(X=="E"){a=14;}
      |    ~^~~~~
a.cc:20:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   20 | if(X=="F"){a=15;}
      |    ~^~~~~
a.cc:21:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   21 | if(Y=="A"){b=10;}
      |    ~^~~~~
a.cc:22:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   22 | if(Y=="B"){b=11;}
      |    ~^~~~~
a.cc:23:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   23 | if(Y=="C"){b=12;}
      |    ~^~~~~
a.cc:24:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   24 | if(Y=="D"){b=13;}
      |    ~^~~~~
a.cc:25:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   25 | if(Y=="E"){b=14;}
      |    ~^~~~~
a.cc:26:5: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   26 | if(Y=="F"){b=15;}
      |    ~^~~~~
Language: C

#include <stdio.h>
 
int main(int argc, char *argv[]) {
  char first, second;
  scanf("%c %c", &first, &second);
  if (first < second){
    printf("<");
  }
  else if(first == second){
    printf("=");
  }
  else{
  printf(">");
  }
  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 <cmath>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <algorithm>
using namespace std;  

int main()
{

int a,b,c;
while (scanf("%d,%d",a,b)
{
	if(a!=b)
{
if(a>b)
	printf("%d>%d\n",a,b);
	else
		printf("%d<%d\n",a,b)
}
else
	printf("%d=%d",a,b);
}
return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:26: error: expected ')' before '{' token
   12 | while (scanf("%d,%d",a,b)
      |       ~                  ^
      |                          )
   13 | {
      | ~                         
a.cc:19:38: error: expected ';' before '}' token
   19 |                 printf("%d<%d\n",a,b)
      |                                      ^
      |                                      ;
   20 | }
      | ~                                     
a.cc:24:9: error: expected ';' before '}' token
   24 | return 0
      |         ^
      |         ;
   25 | }
      | ~