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

#include <iostream>
using namespace std;

int main()
{
	//??\???(scanf??¨??????)
	cin >> a >> b;
	if(a < b)
	{
		cout << "a < b" << endl;
	}else
	if(a > b)
	{
		cout << "a > b" << endl;
	}else
	{
		cout << "a == b" << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: 'a' was not declared in this scope
    7 |         cin >> a >> b;
      |                ^
a.cc:7:21: error: 'b' was not declared in this scope
    7 |         cin >> a >> b;
      |                     ^
Language: C++

#include <stdio.h>
int main(void)
{
	int a,b;

	scanf("%d",&a);
	scanf("%d",&b);
	
	if(a<b){
		printf(" a < b");
	}
	else if(a>b){
		printf("a < b");
	}
	else if{
		printf("a == b");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: expected '(' before '{' token
   15 |         else if{
      |                ^
      |                (
Language: C++

#include <iostream>
#include <math.h>
using namespace std;
int main(){
	int a;
	int b;
	cin >> a >> b;
	if (a < b){
		cout << "a<b" << endl;
	}
	if (a > b){
		cout << "a>b" << endl;
	}
	if (a == b){
		cout << "a==b" << endl;
	}
	return 0:
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:17: error: expected ';' before ':' token
   17 |         return 0:
      |                 ^
      |                 ;
a.cc:17:17: error: expected primary-expression before ':' token
Language: C++

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

Compiler output:
a.cc:3:10: error: stray '#' in program
    3 |         i#nt a,b;
      |          ^
a.cc:1:1: error: 'include' does not name a type
    1 | include<stdio.h>
      | ^~~~~~~
Language: C++

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

/**
 * vector<int>ar(3);
 * for(auto&e:ar){
 *     scanf("%d",&e);
 * }
 * sort(ar.begin(),ar.end())
 * int sum=accumulate(ar.begin(),ar.end(),0);
 ***/

int main(){
    double pai=3.141592653589;
    int a,b;
    scanf("%d %d",&a,&b);
    if (a>b) printf("a > b\n");
    else if (a<b) printf("a < b\n",);
    else printf("a == b\n");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:36: error: expected primary-expression before ')' token
   20 |     else if (a<b) printf("a < b\n",);
      |                                    ^
Language: C++

#include <iostream>

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: expected primary-expression before '>' token
    8 |   if( > y) std::cout << "a > b" << std::endl;
      |       ^
Language: C++

#include <iostream>
using namespace std;

int main(){
int i,j;
cin >> i >> j;
if (i < j)
  cout << "a < b" << endl;
else if (i > j) 
  cout << "a > b" << endl;
else 
  cout << "a = b" << endl;
endif
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:1: error: 'endif' was not declared in this scope
   13 | endif
      | ^~~~~
Language: C++

#include <iostream>
using namespace std;

int main(){
int i,j;
cin >> i >> j;
if (i < j){
  cout << "a < b" << endl;
}else if (i > j){ 
  cout << "a > b" << endl;
}else{ 
  cout << "a == b" << endl;
}endif
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:2: error: 'endif' was not declared in this scope
   13 | }endif
      |  ^~~~~
Language: C++

a,b = (int (i) for i in input().split(" "))
if a > b:
	print ("a"+" > "+"b")
if a < b:
	print ("a"+" < "+"b")
if a==b:
	print ("a"+" == "+"b")

Compiler output:
a.cc:1:1: error: 'a' does not name a type
    1 | a,b = (int (i) for i in input().split(" "))
      | ^
Language: C++

#include <iostream>

int main()
{
using namespace std;
int a,b;
cin>>a>>b;
if(a>b)
cout<<a<<">"<<b<<endl;
else if(a<b)
cout<<a"<"<<b<<endl;
else
cout<<a<<"=="<<b<<endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: expected ';' before string constant
   11 | cout<<a"<"<<b<<endl;
      |        ^~~
      |        ;
Language: C++

#include <stdio.h>
#define MIN -1000
#define MAX 1000
   
int main(void){
   
    int a, b;
  
    scanf("%d %d", &a, &b);
   
    if(a >= MIN, b <= MAX){
   
        if(a < b){
           
            printf("a < b\n");
        }
        else{
   
            printf("a > b\n");
        }

        printf("a == b\n");

        }

    }

    return 0;
}

Compiler output:
a.cc:28:5: error: expected unqualified-id before 'return'
   28 |     return 0;
      |     ^~~~~~
a.cc:29:1: error: expected declaration before '}' token
   29 | }
      | ^
Language: C++

#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;


int main()
{
	int a, b;
	cin >> a >> b;
	if(a == b){
		cout << "a == b" << endl;
	}
	else {
		if (a < b) {
			cout << "a < b" << endl;
		}
		else {
			cout << "a > b" << endl;
		}
	}

	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++

#include <iostream>
using namespace std;
int main ()
{
	int a,b;
	cin >> a >> b;
	if (a < b){
		cout << "a < b" << endl;
	}
	else (a > b){
		cout << "a > b" << endl;
	}
	else (a == b){
		cout << "a == b" << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: expected ';' before '{' token
   10 |         else (a > b){
      |                     ^
      |                     ;
a.cc:13:9: error: 'else' without a previous 'if'
   13 |         else (a == b){
      |         ^~~~
a.cc:13:22: error: expected ';' before '{' token
   13 |         else (a == b){
      |                      ^
      |                      ;
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'eles' was not declared in this scope
    8 |         eles if(a>b){
      |         ^~~~
a.cc:11:9: error: 'else' without a previous 'if'
   11 |         else{
      |         ^~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'eles' was not declared in this scope
    8 |         eles if(a>b){
      |         ^~~~
a.cc:11:9: error: 'else' without a previous 'if'
   11 |         else{
      |         ^~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'eles' was not declared in this scope
    8 |         eles if(a>b){
      |         ^~~~
a.cc:11:9: error: 'else' without a previous 'if'
   11 |         else{
      |         ^~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'eles' was not declared in this scope
    8 |         eles if(a>b){
      |         ^~~~
a.cc:11:9: error: 'else' without a previous 'if'
   11 |         else{
      |         ^~~~
Language: C++

#include<iodefine>
using namespace std;

int main(){
  int a,b;
  cin>>a>>b;

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

  return 0;
}

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

#include <iostream >
using namespace std;

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

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

#include <iostream >
using namespace std;

int main()
{
	int a, b;
	cin >> a >> b;
	if (a < b)
		cout << "a < b" << "\n";
	else if (a > b)
		cout << "a > b" << "\n";
	else
		cout << "a == b" << "\n";
	return 0;
}

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

 #include <iostream >
using namespace std;

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

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

#include <iostream >
using namespace std;

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

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

#include<iostream>
using namespace std;
int main()
{
int a,b;
cin >> a >> b;
if(a<b)
{
cout << a << "<" << b << endl
}
else if(a>b)
{
cout << a << ">" << b << endl;
}
else
{
cout << a << "==" << b << endl;
}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:30: error: expected ';' before '}' token
    9 | cout << a << "<" << b << endl
      |                              ^
      |                              ;
   10 | }
      | ~
Language: C++

a,b = map(int,input().split())
if a>b:
    print("a > b")
elif a==b:
    print("a == b")
else:
    print("a < b")

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

#include <stdio.h>

int main(void)
{
    int a, b;
    scanf("%d", &a, &b);
    if(a < b)
    	printf("a < b\n");
    else if(a > b)
    	printf("a > b\n"));
    else if(a == b)
    	printf("a == b\n");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:26: error: expected ';' before ')' token
   10 |         printf("a > b\n"));
      |                          ^
      |                          ;
Language: C++

main(){     
        int a, b;   
        std::cin >> a >> b;

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

}

Compiler output:
a.cc:1:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    1 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:3:14: error: 'cin' is not a member of 'std'
    3 |         std::cin >> a >> b;
      |              ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | main(){
a.cc:6:22: error: 'cout' is not a member of 'std'
    6 |                 std::cout << "a < b" << std::endl;
      |                      ^~~~
a.cc:6:22: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:6:46: error: 'endl' is not a member of 'std'
    6 |                 std::cout << "a < b" << std::endl;
      |                                              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | main(){
a.cc:8:22: error: 'cout' is not a member of 'std'
    8 |                 std::cout << "a == b" << std::endl;
      |                      ^~~~
a.cc:8:22: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:8:47: error: 'endl' is not a member of 'std'
    8 |                 std::cout << "a == b" << std::endl;
      |                                               ^~~~
a.cc:8:47: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:10:22: error: 'cout' is not a member of 'std'
   10 |                 std::cout << "a > b" << std::endl;
      |                      ^~~~
a.cc:10:22: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:10:46: error: 'endl' is not a member of 'std'
   10 |                 std::cout << "a > b" << std::endl;
      |                                              ^~~~
a.cc:10:46: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

include<iostream>
using namespace std;

int main(){
int a,b,c;
cin >> a >> b >> c;

if(a<b && b<c ){
cout << "Yes" << endl;
else{
cout << "No" << endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:1: error: 'cin' was not declared in this scope
    6 | cin >> a >> b >> c;
      | ^~~
a.cc:9:1: error: 'cout' was not declared in this scope
    9 | cout << "Yes" << endl;
      | ^~~~
a.cc:9:18: error: 'endl' was not declared in this scope
    9 | cout << "Yes" << endl;
      |                  ^~~~
a.cc:10:1: error: expected '}' before 'else'
   10 | else{
      | ^~~~
a.cc:8:16: note: to match this '{'
    8 | if(a<b && b<c ){
      |                ^
a.cc:11:1: error: 'cout' was not declared in this scope
   11 | cout << "No" << endl;
      | ^~~~
a.cc:11:17: error: 'endl' was not declared in this scope
   11 | cout << "No" << endl;
      |                 ^~~~
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main(){
int a,b,c;
cin >> a >> b >> c;

if(a<b && b<c ){
cout << "Yes" << endl;
else{
cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:1: error: expected '}' before 'else'
   10 | else{
      | ^~~~
a.cc:8:16: note: to match this '{'
    8 | if(a<b && b<c ){
      |                ^
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main(){
int a,b,c;
cin >> a >> b >> c;

if(a<b && b<c){
cout << "Yes\n" << endl;
else{
cout << "No\n" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:1: error: expected '}' before 'else'
   10 | else{
      | ^~~~
a.cc:8:15: note: to match this '{'
    8 | if(a<b && b<c){
      |               ^
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main(){
int a,b,c;
cin >> a >> b >> c;

if(a<b && b<c){
cout << "Yes" << endl;
}
else{
cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:2: error: expected '}' at end of input
   13 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

using System;
class AOJ{
public static void Main(){
String[] st=Console.ReadLine().Split(' ');
int a=int.Parse(st[0]);
int b=int.Parse(st[1]);
if(a==b)
Console.WriteLine("a == b");
else if(a<b)
Console.WriteLine("a < b");
else 
Console.WriteLine("a > b");

}
}

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:3:7: error: expected ':' before 'static'
    3 | public static void Main(){
      |       ^~~~~~~
      |       :
a.cc:15:2: error: expected ';' after class definition
   15 | }
      |  ^
      |  ;
a.cc: In static member function 'static void AOJ::Main()':
a.cc:4:1: error: 'String' was not declared in this scope
    4 | String[] st=Console.ReadLine().Split(' ');
      | ^~~~~~
a.cc:4:8: error: expected primary-expression before ']' token
    4 | String[] st=Console.ReadLine().Split(' ');
      |        ^
a.cc:5:7: error: expected primary-expression before 'int'
    5 | int a=int.Parse(st[0]);
      |       ^~~
a.cc:6:7: error: expected primary-expression before 'int'
    6 | int b=int.Parse(st[1]);
      |       ^~~
a.cc:8:1: error: 'Console' was not declared in this scope
    8 | Console.WriteLine("a == b");
      | ^~~~~~~
a.cc:10:1: error: 'Console' was not declared in this scope
   10 | Console.WriteLine("a < b");
      | ^~~~~~~
a.cc:12:1: error: 'Console' was not declared in this scope
   12 | Console.WriteLine("a > b");
      | ^~~~~~~
Language: C++

int main(){
 int a,b;
 cin>>a>>b;
 if(a>=b){
   cout<<a<<endl;
 }else{
  cout<<b<<endl;
 }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:2: error: 'cin' was not declared in this scope
    3 |  cin>>a>>b;
      |  ^~~
a.cc:5:4: error: 'cout' was not declared in this scope
    5 |    cout<<a<<endl;
      |    ^~~~
a.cc:5:13: error: 'endl' was not declared in this scope
    5 |    cout<<a<<endl;
      |             ^~~~
a.cc:7:3: error: 'cout' was not declared in this scope
    7 |   cout<<b<<endl;
      |   ^~~~
a.cc:7:12: error: 'endl' was not declared in this scope
    7 |   cout<<b<<endl;
      |            ^~~~
Language: C++

int main(){
 int s,m,h;
 cin>>h>>m>>s;
 if(h>m>s){
   cout<<h<<endl;
 }else{
  cout<<m<<endl;
 }else{
  cout<<s<<endl;
 }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:2: error: 'cin' was not declared in this scope
    3 |  cin>>h>>m>>s;
      |  ^~~
a.cc:5:4: error: 'cout' was not declared in this scope
    5 |    cout<<h<<endl;
      |    ^~~~
a.cc:5:13: error: 'endl' was not declared in this scope
    5 |    cout<<h<<endl;
      |             ^~~~
a.cc:7:3: error: 'cout' was not declared in this scope
    7 |   cout<<m<<endl;
      |   ^~~~
a.cc:7:12: error: 'endl' was not declared in this scope
    7 |   cout<<m<<endl;
      |            ^~~~
a.cc:8:3: error: 'else' without a previous 'if'
    8 |  }else{
      |   ^~~~
a.cc:9:3: error: 'cout' was not declared in this scope
    9 |   cout<<s<<endl;
      |   ^~~~
a.cc:9:12: error: 'endl' was not declared in this scope
    9 |   cout<<s<<endl;
      |            ^~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a, b;
	cin >> a >> b;
	
	if (a < b) {
		cout << "a < b" << endl;
	} else {
		cout << "a >b" << endl;
	}else {
		cout<<"a==b"<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:10: error: 'else' without a previous 'if'
   12 |         }else {
      |          ^~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a,b;
	cin>>a>>b;
	if(a>b){
	cout<<a>b<<endl;
	}
	if(a<b){
	cout<<a<b<<endl;	
	}
	if(a==b){
	cout<<a==b<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
    8 |         cout<<a>b<<endl;
      |                 ~^~~~~~
a.cc:11:18: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   11 |         cout<<a<b<<endl;
      |                 ~^~~~~~
a.cc:14:19: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   14 |         cout<<a==b<<endl;
      |                  ~^~~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a,b;
	cin>>a b;
	if(a>b){
	cout<<"a > b"<<endl;	
	}
	if(a<b){
	cout<<"a < b"<<endl;	
	}
	if(a==b){
	cout<<"a == b"<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:15: error: expected ';' before 'b'
    6 |         cin>>a b;
      |               ^~
      |               ;
Language: C++

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

int main() {
	int a,b;
	cin>>a>>b;
	if (a>b){
		cout<<"a>b"<<endl;
	}else{if (a<b){
		cout<<"a<b"<<endl;
	}
	}else{
		cout<<"a==b"<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:10: error: 'else' without a previous 'if'
   12 |         }else{
      |          ^~~~
Language: C++

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

int main() {
	int a,b;
	cin>>a>>b;
	if (a>b){
		cout<<"a > b"<<endl;
	}else{if (a<b){
		cout<<"a < b"<<endl;
	}
	}else{
		cout<<"a == b"<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:10: error: 'else' without a previous 'if'
   12 |         }else{
      |          ^~~~
Language: C++

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

int main() {
	// your code goes here
	int a,b;
	cin>>a>>b;
	if(a<b) cout << "a < b" << endl;
	if(a>b) cout << "a > b" << endl;
	if(a==b) cout << "a == b" << endl;
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:11:18: error: expected '}' at end of input
   11 |         return 0;
      |                  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a,b;
	cin>>a>>b;
	if(a<b){
		cout<<"a < b"<<endl;
	}
	if(a>b){
		count<<"a > b"<<endl;
	}
	if(a=b){
		cout<<"a = b"<<endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:17: error: 'count' was not declared in this scope
   11 |                 count<<"a > b"<<endl;
      |                 ^~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a,b;
	cin>>a>>b;
	if(a<b){
		cout<<"a < b"<<endl;
	}
	if(a>b){
		count<<"a > b"<<endl;
	}
	if(a=b){
		cout<<"a == b"<<endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:17: error: 'count' was not declared in this scope
   11 |                 count<<"a > b"<<endl;
      |                 ^~~~~
Language: C++

#include <iostream>

using namespace std;

 

int main() {

	int a,b;

	cin>>a;

	cin>>b;

	if(a>b){

		cout<<a>b<<endl;

	}

	if(a<b){

		cout<<a<b<<endl;

	}

	if(a=b){

		cout<<a=b<<endl;

	}

	}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:26: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   17 |                 cout<<a>b<<endl;
      |                         ~^~~~~~
a.cc:23:26: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   23 |                 cout<<a<b<<endl;
      |                         ~^~~~~~
a.cc:29:26: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   29 |                 cout<<a=b<<endl;
      |                         ~^~~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a,b;
	cin>>a>>b;
	if(a<b){
		cout<<"a < b"<<endl;
	}
	if(a>b){
		count<<"a > b"<<endl;
	}
	if(a==b){
		cout<<"a == b"<<endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:17: error: 'count' was not declared in this scope
   11 |                 count<<"a > b"<<endl;
      |                 ^~~~~
Language: C++

#include <iostream>
using namespace std;

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

 

Compiler output:
a.cc: In function 'int main()':
a.cc:6:2: error: expected initializer before 'cin'
    6 |  cin>>a>>b;
      |  ^~~
a.cc:7:8: error: 'b' was not declared in this scope
    7 |  if(a>=b){
      |        ^
Language: C++

#include <iostream>

2.using namespace std;

3. 

4.int main() {

5.	int a,b;

6.	cin>>a;

7.	cin>>b;

8.	if(a>b){

9.		cout<<"a > b"<<endl;

10.	}

11.	if(a<b){

12.		cout<<"a < b"<<endl;

13.	}

14.	if(a==b){

15.		cout<<"a == b"<<endl;

16.	}

17.}

Compiler output:
a.cc:3:1: error: expected unqualified-id before numeric constant
    3 | 2.using namespace std;
      | ^~~~~~~
a.cc:5:1: error: expected unqualified-id before numeric constant
    5 | 3.
      | ^~
Language: C++

#include <iostream>
using namespace std;

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

 

Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a,b;
	cin>>a>>b;
	if(a>=b){
    cout<<a<<endl;
	}else{
    cout<<b<,endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:13: error: expected primary-expression before ',' token
   10 |     cout<<b<,endl;
      |             ^
Language: C++

include <iostream>
using namespace std;
 
int main() {
    int a,b;
    cin>>a>>b;
    if(a>b){
        cout<<"a > b"<<endl;
    }
    if(a<b){
        cout<<"a < b"<<endl;
    }
    if(a==b){
        cout<<"a == b"<<endl;
    }
    return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin>>a>>b;
      |     ^~~
a.cc:8:9: error: 'cout' was not declared in this scope
    8 |         cout<<"a > b"<<endl;
      |         ^~~~
a.cc:8:24: error: 'endl' was not declared in this scope
    8 |         cout<<"a > b"<<endl;
      |                        ^~~~
a.cc:11:9: error: 'cout' was not declared in this scope
   11 |         cout<<"a < b"<<endl;
      |         ^~~~
a.cc:11:24: error: 'endl' was not declared in this scope
   11 |         cout<<"a < b"<<endl;
      |                        ^~~~
a.cc:14:9: error: 'cout' was not declared in this scope
   14 |         cout<<"a == b"<<endl;
      |         ^~~~
a.cc:14:25: error: 'endl' was not declared in this scope
   14 |         cout<<"a == b"<<endl;
      |                         ^~~~
Language: C++

#include <cstdio>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:1: error: expected '}' before 'else'
   13 | else {
      | ^~~~
a.cc:11:19: note: to match this '{'
   11 | } else if (a > b) {
      |                   ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:15:18: error: expected '}' at end of input
   15 |         return 0;
      |                  ^
a.cc:2:11: note: to match this '{'
    2 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;
int main(){
cin>>a>>b;
if(a-b){cout<<"a==b";}
else if(a<b){cout<<"a<b";}
else{cout<<"a>b";}
return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:6: error: 'a' was not declared in this scope
    4 | cin>>a>>b;
      |      ^
a.cc:4:9: error: 'b' was not declared in this scope
    4 | cin>>a>>b;
      |         ^
Language: C++

#include "stdafx.h"


int main()
{
	int x, y;

	scanf("%d" "%d", &x, &y);

	while (x != 0 && y != 0) {
		

			if (x > y) 
			{
				printf("%d > %d", x, y);
			}
			else 
			{
				printf("%d < %d", x, y);
			}

			printf("\n");

			scanf("%d" "%d", &x, &y);
	}

    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++

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

if(a<b){
  printf("a < b\n");
}

else if(a==b){
          printf("a==b\n");
}
        else{
          pritnf("a > b\n");

}
     
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:11: error: 'pritnf' was not declared in this scope; did you mean 'printf'?
   18 |           pritnf("a > b\n");
      |           ^~~~~~
      |           printf
Language: C++

# include <iostream>

int main(){
  int a,b;
  std::cin >> a >> b;

  if( a < b ) std::cout << "a < b" << std::endl;
  if( a == b) std::cout << "a = b" << std::endl;
  if( a > b) std::cut << "a > b" << std::endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: 'cut' is not a member of 'std'; did you mean 'cout'?
    9 |   if( a > b) std::cut << "a > b" << std::endl;
      |                   ^~~
      |                   cout
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:3:1: note: to match this '{'
    3 | {
      | ^
Language: C++

#include <iostream>
using namespace std;

int main(){
   int x,y;
   cin >> x >> y;
   if (x > y){
      cout << a > b << endl;
   }
   else if (x = y){
      cout << a = b << endl;
   else{
      cout << a < b << endl;
}
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: 'a' was not declared in this scope
    8 |       cout << a > b << endl;
      |               ^
a.cc:8:19: error: 'b' was not declared in this scope
    8 |       cout << a > b << endl;
      |                   ^
a.cc:11:15: error: 'a' was not declared in this scope
   11 |       cout << a = b << endl;
      |               ^
a.cc:11:19: error: 'b' was not declared in this scope
   11 |       cout << a = b << endl;
      |                   ^
a.cc:12:4: error: expected '}' before 'else'
   12 |    else{
      |    ^~~~
a.cc:10:19: note: to match this '{'
   10 |    else if (x = y){
      |                   ^
a.cc:13:15: error: 'a' was not declared in this scope
   13 |       cout << a < b << endl;
      |               ^
a.cc:13:19: error: 'b' was not declared in this scope
   13 |       cout << a < b << endl;
      |                   ^
Language: C++

#include <iostream>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:12:4: error: expected '}' before 'else'
   12 |    else{
      |    ^~~~
a.cc:10:19: note: to match this '{'
   10 |    else if (x = y){
      |                   ^
Language: C++

x = list(map(int, input().split()))
if x[0]>x[1]:
    print("a > b")
elif x[0]<x[1]:
    print("a < b")
else:
    print(" a == b ")

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

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

	int a,b;
	cin>>a>>b;
	if(a>b)(cout<<"a>b");else if(a==b)cout<<"a=b";else cout<<"a<b";
}

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

#include <iostream>
#include <conio.h>
using namespace std;
int sosanh()
{
	int a, b;
	cin>>a>>b;
	if (a < b) cout<<"a < b";
	else if (a > b) cout<<"a > b";
	else cout<<"a = b";
	return 0;
}

Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
	int a, b;
	cin>>a>>b;
	if (a < b) cout<<"a < b"<<endl;
	else if (a > b) cout<<"a > b"<<endl;
	else cout<<"a = b"<<endl;
	return 0;
}

Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
using namespace std;
void main()
{
	int a, b;
	cin >> a >> b;
	if (a < b)
	{
		cout << "a<b";
	}
	else
	{
		if (a==b)
		{
			cout << "a=b";
		}
		else
		{
			cout << "a>b";
		}
	}
}

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

#include <iostream>
#include <conio.h>
using namespace std;
void main()
{
	int a,b;
	cin>>a>>b;
	if(a>b)cout<<"a>b"<<endl;
	else if(a<b)cout<<"a<b"<<endl;
	else cout<<"a==b"<<endl;
}

Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
using namespace std;

void main()
{
	int a,b;
	scanf("%d",&a);
	scanf("%d",&b);
	if(a<b)
		printf("a<b");
	if(a>b)
		printf("a>b");
	else
		printf("a=b");
}

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

#include<iostream>
using namespace std;
void main()
{   int a,b;
     cin >> a >> b;
     if(a>b)
          cout << "a>b";
     else if(a==b)
          cout << "a=b";
          else 
             cout << "a<b";
    return ; 
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:12:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
   12 |     return ;
      |     ^~~~~~
Language: C++

#include <iostream>
#include<conio.h>
using namespace std;

void main()
{
	int a,b;
	scanf("%d",&a);
	scanf("%d",&b);
	if(a<b)
		printf("a<b");
	if(a>b)
		printf("a>b");
	else
		printf("a=b");
}

Compiler output:
a.cc:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <stdio.h>
#include <conio.h>

using namespace std;

void main()
{
	int a,b;
	printf("Nhap so a: ");
	scanf("%d",&a);
	printf("Nhap so b: ");
	scanf("%d",&b);

	if(a<b)
		printf("%d < %d",a,b);
	else if(a>b)
		printf("%d > %d",a,b);
	else
	{
		printf("%d = %d",a,b);
	}
	
	getch();
}

Compiler output:
a.cc:3:10: fatal error: conio.h: No such file or directory
    3 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include<stdio.h>
#include<conio.h>
int main()
{   int a,b;
     scanf("%d", &a);
     scanf("%d", &b);
    return 1 ; 
}

Compiler output:
a.cc:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>

using namespace std;
void main()
{
	int a,b;
	c in>>a>>b;
	if(a>b)cout<<"a>b"<<endl;
	else if(a<b)cout<<"a<b"<<endl;
	else cout<<"a==b"<<endl;
}

Compiler output:
a.cc:4:1: error: '::main' must return 'int'
    4 | void main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'c' was not declared in this scope
    7 |         c in>>a>>b;
      |         ^
Language: C++

#include <iostream>

using namespace std;
void main()
{
	int a,b;
	CIN>>a>>b;
	if(a>b)cout<<"a>b"<<endl;
	else if(a<b)cout<<"a<b"<<endl;
	else cout<<"a==b"<<endl;
}

Compiler output:
a.cc:4:1: error: '::main' must return 'int'
    4 | void main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'CIN' was not declared in this scope
    7 |         CIN>>a>>b;
      |         ^~~
Language: C++

#include<iostream>;
#include<conio.h>;
using namespace std;
int main()
{
	int a,b;
	scanf("%d",&a);
	scanf("%d",&b);
	if(a<b)cout<<"a<b"<<endl;
	else if(a>b)cout<<"a>b"<<endl;
	else cout<<"a==b"<<endl;
	getch();
}

Compiler output:
a.cc:1:19: warning: extra tokens at end of #include directive
    1 | #include<iostream>;
      |                   ^
a.cc:2:18: warning: extra tokens at end of #include directive
    2 | #include<conio.h>;
      |                  ^
a.cc:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>;
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>;
#include<conio.h>;
using namespace std;
int main()
{
int a,b;
scanf("%d",&a);
scanf("%d",&b);
if(a<b)cout<<"a<b"<<endl;
else if(a>b)cout<<"a>b"<<endl;
else cout<<"a==b"<<endl;
getch();
}

Compiler output:
a.cc:1:19: warning: extra tokens at end of #include directive
    1 | #include<iostream>;
      |                   ^
a.cc:2:18: warning: extra tokens at end of #include directive
    2 | #include<conio.h>;
      |                  ^
a.cc:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>;
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <conio.h>
using namespace std;
void main()
{
  int a,b;
        cin>>a>>b;
	if (a < b) cout << "a<b" << endl;
	else if (a>b)cout << "a>b" << endl;
	else cout << "a=b" << endl;
	_getch();
}

Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
using namespace std;
  
int main(){
    int a, b;
      
    cin>> a >> b;
      
    if ( a < b ) cout << "a < b" << endl;
    else if ( a > b ) cout << "a > b" << endl;
    else cout << "a == b" << endl;
  
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: expected '}' at end of input
   13 |     return 0;
      |              ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;
void main()
{
	int a,b;
	cin >>a>>b;
	if(a>b)cout<<"a>b"<<endl;
	else if(a<b)cout<<"a<b"<<endl;
	else cout<<"a==b"<<endl;
}

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

#include <iostream>
using namespace std;
void main()
{
	int a,b;

	cin>>a>>b;

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

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

#include <iostream>
#include <conio.h>
using namespace std;

void main()
{
	int a,b;
	scanf("%d",&a);
	scanf("%d",&b);
	if(a<b)
		printf("a<b");
	if(a>b)
		printf("a>b");
	else
		printf("a=b");
}

Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
using namespace std;
void main(){
int a,b;
cin>>a>>b;
if ( a < b ) cout << "a < b" << endl;
    else if ( a > b ) cout << "a > b" << endl;
    else cout << "a == b" << endl;
}

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

#include <iostream>
using namespace std;
void main()
{
int a,b;
cin>>a>>b;
if(a<b) cout<<"a<b"<<endl;
else if(a>b) cout<<"a>b"<<endl;
else cout<<"a==b"<<endl;
}

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

#include <iostream>

using namespace std;
void main()
{
	int a,b;
	cin >>a>>b;
	if(a>b)cout<<"a>b"<<endl;
	else if(a<b)cout<<"a<b"<<endl;
	else cout<<"a==b"<<endl;
	return 0;
}

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:4:17: error: 'a' was not declared in this scope
    4 |     scanf("%d",&a);
      |                 ^
a.cc:5:17: error: 'b' was not declared in this scope
    5 |     scanf("%d",&b);
      |                 ^
Language: C++

#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
	int a,b;
        cin>>a>>b;
	if (a < b) cout << "a<b" << endl;
	else if (a > b) cout << "a>b" << endl;
	else cout << "a==b" << endl;
	return 0;
}

Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include<stdio.h>
void main()
{
    int a,b;
    scanf("%d",&a);
    scanf("%d",&b);
    if(a<b)
		printf("a<b");
	if(a>b)
		printf("a>b");
	else
		printf("a=b");
}

Compiler output:
a.cc:2:1: error: '::main' must return 'int'
    2 | void main()
      | ^~~~
Language: C++

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

	int a,b;
	cin>>a>>b;
	if(a>b)cout<<"a>b"<<endl;
	else if(a==b)cout<<"a=b"<<endl;
	else cout<<"a<b"<<endl;
	return;
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:10:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   10 |         return;
      |         ^~~~~~
Language: C++

//include thu vien
#include  <iostream>
#include <conio.h>
using namespace std;
	int main()	
{
	int a,b;
	cin>>a>>b;
	if(a<b)cout<<"a<b"<<endl;
	else if (a>b)cout<<"a>b"<<endl;
	else cout<<"a==b"<<endl;
    return 0;
}

Compiler output:
a.cc:3:10: fatal error: conio.h: No such file or directory
    3 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
	int a, b;
	cin >> a >> b;
	if (a < b) cout << "a<b" << endl;
	else if (a > b) cout << "a>b" << endl;
	else cout << "a==b" << endl;
	return 0;
}

Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

//include thu vien
#include  <iostream>
#include <conio.h>
using namespace std;
	void  main()
{
   int a,b,c;
   cout<<"\nnhap a:";cin>>a;
   cout<<"\nnhap b:";cin>>b;
   cout<<"\nnhap c:";cin>>c;
   if (a<b)
	   if (b<c)
   {
	   cout<<"\n"<<a<<b<<c;
	  
   }
	   else


	

	system("pause");	 
	}

Compiler output:
a.cc:3:10: fatal error: conio.h: No such file or directory
    3 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>

using namespace std;

int main(){

  int a,b;

  cin >> a >> b;

  cout <<"a";

  if(a<b)
    cout <<"<";
  if(a==b)
    cout << "==";
  if(a>b)
    cout << ">";

  cout <<"b"<<endl;

  return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:22:12: error: expected '}' at end of input
   22 |   return 0;
      |            ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include<conio.h>
#include<iostream>
using namespace std;
void main()
{
	int a,b;
	cin>>a>>b;
	cout<<"a";
	if(a<b) cout<<"<";
	else if(a>b) cout<<">";
	else cout<<"==";
	cout<<"b\n";
	getch();
}

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

#includ<stdio.h>
int main(void){
 int a,b;
 scanf_s("%d",&a);
 scanf_s("%d",&b);

 if(a<b)
 printf("a<b");
 if(a>b)
 printf("a>b");
 if(a==b)
 printf("a==b");

 return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #includ; did you mean #include?
    1 | #includ<stdio.h>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:4:2: error: 'scanf_s' was not declared in this scope
    4 |  scanf_s("%d",&a);
      |  ^~~~~~~
a.cc:8:2: error: 'printf' was not declared in this scope
    8 |  printf("a<b");
      |  ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | #includ<stdio.h>
a.cc:10:2: error: 'printf' was not declared in this scope
   10 |  printf("a>b");
      |  ^~~~~~
a.cc:10:2: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
a.cc:12:2: error: 'printf' was not declared in this scope
   12 |  printf("a==b");
      |  ^~~~~~
a.cc:12:2: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

#include<iostream>
using namespace std;
void main()
{
	int a,b;
	cin>>a>>b;
	if(a<b) cout<<"a<b\n";
	if(a>b) cout<<"a>b\n";
	if(a==b)cout<<"a==b\n";
}

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

#include<conio.h>
#include<iostream>
using namespace std;
void main()
{
	int a,b;
	cin>>a>>b;
	if(a<b) cout<<"a<b\n";
	else if(a>b) cout<<"a>b\n";
	else cout<<"a==b\n";
}

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

<?php
  while ( ! feof(STDIN) ) {
    $line = trim(fgets(STDIN));
    $line2 = explode(" ", $input);

    if($line2[0] < $line2[1]){
      echo "a < b";
    }else if($line2[0] > $line2[1]){
      echo "a > b";
    }else{
      echo "a == b";
    }
  }  
?>

Compiler output:
a.cc:1:1: error: expected unqualified-id before '<' token
    1 | <?php
      | ^
a.cc:14:1: error: expected unqualified-id before '?' token
   14 | ?>
      | ^
Language: C++

<?php
  $line = trim(fgets(STDIN));
  $line2 = explode(" ", $input);

  if($line2[0] < $line2[1]){
    echo "a < b";
  }else if($line2[0] > $line2[1]){
    echo "a > b";
  }else{
    echo "a == b";
  }
?>

Compiler output:
a.cc:1:1: error: expected unqualified-id before '<' token
    1 | <?php
      | ^
a.cc:3:3: error: '$line2' does not name a type
    3 |   $line2 = explode(" ", $input);
      |   ^~~~~~
a.cc:5:3: error: expected unqualified-id before 'if'
    5 |   if($line2[0] < $line2[1]){
      |   ^~
a.cc:7:4: error: expected unqualified-id before 'else'
    7 |   }else if($line2[0] > $line2[1]){
      |    ^~~~
a.cc:9:4: error: expected unqualified-id before 'else'
    9 |   }else{
      |    ^~~~
a.cc:12:1: error: expected unqualified-id before '?' token
   12 | ?>
      | ^
Language: C++

#include<conio.h>
#include<iostream>
using namespace std;
int main(void){
	int a,b;
	cin>>a>>b;
	if(a<b) cout<<"a<b\n";
	else if(a>b) cout<<"a>b\n";
	else cout<<"a==b\n";
return 0;
}

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


#include<iostream>
using namespace std;
int main(){
	int a,b;
	cin>>a>>b;
	if(a<b) cout<<"a<b",endl;
	else if(a>b) cout<<"a>b",endl;
	else cout<<"a==b",endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:29: error: no context to resolve type of 'std::endl'
    7 |         if(a<b) cout<<"a<b",endl;
      |                             ^~~~
a.cc:8:34: error: no context to resolve type of 'std::endl'
    8 |         else if(a>b) cout<<"a>b",endl;
      |                                  ^~~~
a.cc:9:27: error: no context to resolve type of 'std::endl'
    9 |         else cout<<"a==b",endl;
      |                           ^~~~
Language: C++

#include<conio.h>
#include <iostream>
using namespace std;
void main(){
   int a, b;  
   cin >> a >> b;
   if(a > b)
   cout<<"a > b"<< endl;
   else if(a < b)
   cout<<"a < b"<< endl;
   else if(a == b)
   cout<<"a == b"<< endl;
}

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:21: error: invalid operands of types 'const char [5]' and 'int' to binary 'operator&'
    5 |         scanf("%d%d"&a,&b);
      |               ~~~~~~^~
      |               |      |
      |               |      int
      |               const char [5]
a.cc:15:33: error: expected ';' before '}' token
   15 |                         return 0
      |                                 ^
      |                                 ;
   16 | }
      | ~
Language: C++

#include<iostream>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'elseif' was not declared in this scope
    8 |   elseif(a==b) cout<<"a==b"<<endl;
      |   ^~~~~~
a.cc:9:3: error: 'else' without a previous 'if'
    9 |   else cout<<"a>b"<<endl;
      |   ^~~~