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

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

const int MOD = 1e9 + 7;

int dp[2001][2001];

int dfs(int a, int b, int k) {
        if (a + b == 1) return dp[a][b] = 1;
        if (a + b == k) {
                if (a == k || b == k) return dp[a][b] = 0;
                return dp[a][b] = 1;
        }
        if (dp[a][b] > 0) return dp[a][b];
        int &res = dp[a][b];
        res = 0;
        for (int i = 0; i < k; i ++) if (a >= i && b >= k - i - 1) (res += dfs(a - i, b - (k - i - 1), k)) %= MOD;
        return res;
}

int main() {
        int n, m, k, ans = 0;
        scanf("%d%d%d", &n, &m, &k);
        memset(dp, -1, sizeof dp);
        for (int i = n; i > 0; i -= k - 1) for (int j = m; j > 0; j -= k - 1) (ans += dfs(i, j, k)) %= MOD;
        printf("%d\n", ans);
        return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:9: error: 'memset' was not declared in this scope
   25 |         memset(dp, -1, sizeof dp);
      |         ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include <vector>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C++

#include <bits/stdc++.h>
using namespace std;
using pp=pair<int, int>;

int main() {
  int a, b, c, d;
  int>>a>>b>>c>>d;
  cout << max(a*b, c*d) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: expected unqualified-id before '>>' token
    7 |   int>>a>>b>>c>>d;
      |      ^~
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int A,B,C.D;
  cin>>A>>B>>C>>D;
  if(A*B>C*D){
    cout<<A*B;
  }
  else{
    cout<<C*D;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:12: error: expected initializer before '.' token
    5 |   int A,B,C.D;
      |            ^
a.cc:6:14: error: 'C' was not declared in this scope
    6 |   cin>>A>>B>>C>>D;
      |              ^
a.cc:6:17: error: 'D' was not declared in this scope
    6 |   cin>>A>>B>>C>>D;
      |                 ^
Language: C++

#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<set>
#include<iomanip>
#define pi 3.14159265358979323846
#define ll long long
#define rep(i, a, n) for(int i = a; i < n; i++)
using namespace std;
int main(){
  int a, b, c, d;
  cin >> a >> b >> c >> d;
  a = a * b;
  c = c * d;
  if(a >= c){
    cout <<  << "\n";
    return 0;
  }
  cout << c << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:14: error: expected primary-expression before '<<' token
   17 |     cout <<  << "\n";
      |              ^~
Language: C++

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

int main(){
  long int a,b,c,d;
  cin>>a>>b>>c>>d;
  
  if((a*b)>(c*d))
    cout<<a*b;
  else
    cout<<c*d;
  return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inclu; did you mean #include?
    1 | #inclu  de<bits/stdc++.h>
      |  ^~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>a>>b>>c>>d;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inclu  de<bits/stdc++.h>
a.cc:9:5: error: 'cout' was not declared in this scope
    9 |     cout<<a*b;
      |     ^~~~
a.cc:9:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:11:5: error: 'cout' was not declared in this scope
   11 |     cout<<c*d;
      |     ^~~~
a.cc:11:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <iostream>

int main()
{  
  int A, B, C, D, area;
  std::cin >> A >> B >> C >> D;
  
  if(A * B >= C * D)
  {
    area = A * B;
  }
  else
  {
    area = C * D 
  }
  
  std::cout << area;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:17: error: expected ';' before '}' token
   14 |     area = C * D
      |                 ^
      |                 ;
   15 |   }
      |   ~
Language: C

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

    i = a*b;
    f = c*d;
    if(e>f)
    {
        printf("%d", i);
    }
    else
    {
        printf("%d", f);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:8: error: 'e' undeclared (first use in this function)
    9 |     if(e>f)
      |        ^
main.c:9:8: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a, b , c, d ;
  cin >> a >> b >> c >> d;
  cout << (a*b < c*d ? c*d : a*b) << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:7:43: error: expected '}' at end of input
    7 |   cout << (a*b < c*d ? c*d : a*b) << endl;
      |                                           ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a, b , c, d ;
  cin >> a >> b >> c >> d;
  cout << (a*b<c*d ? c*d : a*b) << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:7:41: error: expected '}' at end of input
    7 |   cout << (a*b<c*d ? c*d : a*b) << endl;
      |                                         ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

#include <stdio.h>

int main(void){

  long long A,B,C,D;
  scanf("%lld %lld %lld %lld",&N);
  
  if(A*B<=C*D){
  	printf("%lld",C*D);
  }
  else printf("%lld",A*B);
  
  return 0;
  
}


Compiler output:
main.c: In function 'main':
main.c:6:32: error: 'N' undeclared (first use in this function)
    6 |   scanf("%lld %lld %lld %lld",&N);
      |                                ^
main.c:6:32: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void){

  long long A,B,C,D;
  scanf("%lld %lld %lld %lld",&N);
  
  if(A*B<=C*D){
  	printf("%lld",C*D);
  }
  else printf("lld",A*B);
  
  return 0;
  
}

Compiler output:
main.c: In function 'main':
main.c:6:32: error: 'N' undeclared (first use in this function)
    6 |   scanf("%lld %lld %lld %lld",&N);
      |                                ^
main.c:6:32: note: each undeclared identifier is reported only once for each function it appears in
Language: Java


import java.util.*;

public class Main{
    public static void main(String[] args) {
        
        Scanner sc = new Scanner(System.in);
        int a = sc.nextLine();
        int b = sc.nextLine();
        int c = sc.nextLine();
        int d = sc.nextLine();
        int e = a * b;
        int f = c * d;

        if(e >= f){
            System.out.println(e);
        }else{
            System.out.println(f);
        }
    }
}

Compiler output:
Main.java:8: error: incompatible types: String cannot be converted to int
        int a = sc.nextLine();
                           ^
Main.java:9: error: incompatible types: String cannot be converted to int
        int b = sc.nextLine();
                           ^
Main.java:10: error: incompatible types: String cannot be converted to int
        int c = sc.nextLine();
                           ^
Main.java:11: error: incompatible types: String cannot be converted to int
        int d = sc.nextLine();
                           ^
4 errors
Language: Java

import java.util.Scanner;
import java.util.Arrays;
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int d = sc.nextInt()
		
		System.out.println(a * b >= c * d ? a * b : c * d);
	}
}


Compiler output:
Main.java:9: error: ';' expected
		int d = sc.nextInt()
		                    ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){

int A,B,C,D;
cin>>A>>B>>C>>D;

int x=A*B;
int y=C*D;
if(x>=y){
cout<<x<<endl;

if(x<<y){
cout<<y<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:10:9: note: to match this '{'
   10 | if(x>=y){
      |         ^
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    int A, B, C, D;
    cin >> A >> B >> C >> D;
    int ans1 = A * B;
    int ans2 = C * D;
    int a = (ans1 > ans2;)
    int b = (ans2 > ans1;)
    int c = (ans1 = ans2;)
    if (a)
    {
    cout << ans1 <<endl;
    }
    if(b)
    {
        cout << ans2 <<endl;
    }
    if(c)
    {
        cout << ans1 << endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:25: error: expected ')' before ';' token
    9 |     int a = (ans1 > ans2;)
      |             ~           ^
      |                         )
a.cc:9:26: error: expected primary-expression before ')' token
    9 |     int a = (ans1 > ans2;)
      |                          ^
a.cc:10:26: error: expected primary-expression before ')' token
   10 |     int b = (ans2 > ans1;)
      |                          ^
a.cc:11:26: error: expected primary-expression before ')' token
   11 |     int c = (ans1 = ans2;)
      |                          ^
a.cc:16:8: error: 'b' was not declared in this scope
   16 |     if(b)
      |        ^
a.cc:20:8: error: 'c' was not declared in this scope
   20 |     if(c)
      |        ^
Language: C++

#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    int A, B, C, D, a, b;
    cin >> A >> B >> C >> D;
    int ans1 = A * B;
    int ans2 = C * B;
    int a = ans1 > ans2;
    int b = ans2 > ans2;
    if (a)
    {
    cout << ans1 <<endl;
    }
    if(b);
    {
        cout << ans2 <<endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: redeclaration of 'int a'
    9 |     int a = ans1 > ans2;
      |         ^
a.cc:5:21: note: 'int a' previously declared here
    5 |     int A, B, C, D, a, b;
      |                     ^
a.cc:10:9: error: redeclaration of 'int b'
   10 |     int b = ans2 > ans2;
      |         ^
a.cc:5:24: note: 'int b' previously declared here
    5 |     int A, B, C, D, a, b;
      |                        ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
    int a, b, c, d;
    cin >> a >> b >> c >> d;

    cout << max(a * b.c * d) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:23: error: request for member 'c' in 'b', which is of non-class type 'int'
    7 |     cout << max(a * b.c * d) << endl;
      |                       ^
Language: C++

#include<iostream>

uisng namespace std;

int main(){
  int a,b,c,d;
  cin >> a >> b >> c >> d;
  cout << max(a*b,c*d) << endl;
}

Compiler output:
a.cc:3:1: error: 'uisng' does not name a type
    3 | uisng namespace std;
      | ^~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin >> a >> b >> c >> d;
      |   ^~~
      |   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:8:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   cout << max(a*b,c*d) << 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:8:11: error: 'max' was not declared in this scope; did you mean 'std::max'?
    8 |   cout << max(a*b,c*d) << endl;
      |           ^~~
      |           std::max
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: 'std::max' declared here
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
a.cc:8:27: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |   cout << max(a*b,c*d) << 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<bits/stdc++.h>
using namespace std;

int main{
  int a , b , c , d;
  cin >> a >> b >> c >> d;
  cout << max(a * b , c * d) << endl;
}


Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:3: error: expected primary-expression before 'int'
    5 |   int a , b , c , d;
      |   ^~~
a.cc:5:3: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:3: error: 'cin' does not name a type
    6 |   cin >> a >> b >> c >> d;
      |   ^~~
a.cc:7:3: error: 'cout' does not name a type
    7 |   cout << max(a * b , c * d) << endl;
      |   ^~~~
a.cc:8:1: error: expected declaration before '}' token
    8 | }
      | ^
Language: C++

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

int main{
  int a , b , c , d;
  cin >> a >> b >> c >> d;
  cout << max(a * b , c * d) << endl;
}

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

#include<bits/stdc++.h>
using namespace std;
int main(){
  int. a,b,c,d;
  cin>>a>>b>>c>>d;
  if(a*b>=c*d){
    cout<<a*b<<endl;
  }
  else{
    cout<<c*d<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:6: error: expected unqualified-id before '.' token
    4 |   int. a,b,c,d;
      |      ^
a.cc:5:8: error: 'a' was not declared in this scope
    5 |   cin>>a>>b>>c>>d;
      |        ^
a.cc:5:11: error: 'b' was not declared in this scope
    5 |   cin>>a>>b>>c>>d;
      |           ^
a.cc:5:14: error: 'c' was not declared in this scope
    5 |   cin>>a>>b>>c>>d;
      |              ^
a.cc:5:17: error: 'd' was not declared in this scope
    5 |   cin>>a>>b>>c>>d;
      |                 ^
Language: C++

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

int main(){
    int a, b, c, d;

    cin >> a, b. c, d;

    int e, f;

    e = a * b;
    f = c * d;

    if (e >= f){
        cout << e << endl;
    } else {
        cout << f << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: request for member 'c' in 'b', which is of non-class type 'int'
    7 |     cin >> a, b. c, d;
      |                  ^
Language: C++

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

int main(){
    int a, b, c, d;

    cin >> a, b. c, d;

    int e, f;

    e = a * b;
    f = c * d;

    if (e > f){
        cout << e << endl;
    } else {
        cout << f << endl;
    }

    cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: request for member 'c' in 'b', which is of non-class type 'int'
    7 |     cin >> a, b. c, d;
      |                  ^
a.cc:20:13: error: 's' was not declared in this scope
   20 |     cout << s << endl;
      |             ^
Language: C++

#include<bits/stdc++.h>
 
using namespace std;
 
int main() {
  int a, b, c, d, r1, r2;
  cin >> a >> b >> c >> d;
  r1 = a * b;
  r2 = c * d;
  if (r1 >= r2) {
    cout << r1 << endl;
  } else {
    cout << r2 << endl:
  } 
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:23: error: expected ';' before ':' token
   13 |     cout << r2 << endl:
      |                       ^
      |                       ;
Language: C

#include<stdio.h>

int main()
{
 int A,B,C,D;

 scanf("%d%d%d%d",&A,&B,&C,&D);

 if((A*B==C*D)||(A*B>C*D))rintf("%d\n",A*B);
 else if(A*B<C*D)printf("%d\n",C*D);

 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:27: error: implicit declaration of function 'rintf' [-Wimplicit-function-declaration]
    9 |  if((A*B==C*D)||(A*B>C*D))rintf("%d\n",A*B);
      |                           ^~~~~
main.c:2:1: note: include '<math.h>' or provide a declaration of 'rintf'
    1 | #include<stdio.h>
  +++ |+#include <math.h>
    2 | 
main.c:9:27: warning: incompatible implicit declaration of built-in function 'rintf' [-Wbuiltin-declaration-mismatch]
    9 |  if((A*B==C*D)||(A*B>C*D))rintf("%d\n",A*B);
      |                           ^~~~~
main.c:9:27: note: include '<math.h>' or provide a declaration of 'rintf'
main.c:9:33: error: incompatible type for argument 1 of 'rintf'
    9 |  if((A*B==C*D)||(A*B>C*D))rintf("%d\n",A*B);
      |                                 ^~~~~~
      |                                 |
      |                                 char *
main.c:9:33: note: expected 'float' but argument is of type 'char *'
main.c:9:27: error: too many arguments to function 'rintf'
    9 |  if((A*B==C*D)||(A*B>C*D))rintf("%d\n",A*B);
      |                           ^~~~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int a, b, c, d;
  cin >> a >> b >> c >> d;
  if(a * b > c * d)
    cout << a * b;
  else cout << c * d;

Compiler output:
a.cc: In function 'int main()':
a.cc:9:22: error: expected '}' at end of input
    9 |   else cout << c * d;
      |                      ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

#include <iostream>
using namespace std;
void ABC52(void);

int main(void){
    ABC52();
    return 0;
}

void ABC52(void){
    int a,b,c,d;
    cin >> a>>b>>c>>d;
    if(a*b>c*d)cout<<a*b<<endl;
    else acout<<c*d<<endl;
}

Compiler output:
a.cc: In function 'void ABC52()':
a.cc:14:10: error: 'acout' was not declared in this scope
   14 |     else acout<<c*d<<endl;
      |          ^~~~~
Language: C++

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include<set>
#include<map>
using namespace std;


int main() {
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    cout << maxi(a*b,c*d);
    cout << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:13: error: 'maxi' was not declared in this scope
   14 |     cout << maxi(a*b,c*d);
      |             ^~~~
Language: C++

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

int main() {
 	int a,b,c,d;
  cin>>a>>x>>c>>d;
  int x,y
    x=a*b,y=c*d;
  cout<<max(x,y)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:11: error: 'x' was not declared in this scope
    6 |   cin>>a>>x>>c>>d;
      |           ^
a.cc:8:5: error: expected initializer before 'x'
    8 |     x=a*b,y=c*d;
      |     ^
a.cc:9:15: error: 'y' was not declared in this scope
    9 |   cout<<max(x,y)<<endl;
      |               ^
Language: C++

#include <iostream>
using namespae std;

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

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespae'
    2 | using namespae std;
      |       ^~~~~~~~
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 >> a >> b >> c >> d;
      |   ^~~
      |   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:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout << a * b << 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:8:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |     cout << a * b << 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:11:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   11 |     cout << c * d << 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:11:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   11 |     cout << c * d << 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>
int main(void){
  int a,b,c,d;
  scanf("%d %d %d %d",&a,&b,&c,&d);
  int mul_ab,mul_cd;
  mul_ab=a*b;
  mul_cd=c*d;
  int max=0;
  if(mul_ab<=mul_cd) max=mul_cd;
  if(mul_ab>=mul_cd) max=mul_ab;
  printf("%d",ans);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:15: error: 'ans' undeclared (first use in this function)
   11 |   printf("%d",ans);
      |               ^~~
main.c:11:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,f;			

int main()
{
cin>>a>>b>>c>>d;		←
e=a*b;
f=c*d;
	if(e>f)
cout<<e<<endl;
	else 
cout<<f<<endl;
}


Compiler output:
a.cc:7:33: error: extended character ← is not valid in an identifier
    7 | cin>>a>>b>>c>>d;                ←
      |                                 ^
a.cc: In function 'int main()':
a.cc:7:33: error: '\U00002190' was not declared in this scope
    7 | cin>>a>>b>>c>>d;                ←
      |                                 ^
Language: C++

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

int main{
	int a,b,c,d;
	cin>>a>>b>>c>>d;
	cout<<(a*b >=c*d ? a*b:c*d)<<endl;
  return 0;

}

Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:9: error: expected primary-expression before 'int'
    5 |         int a,b,c,d;
      |         ^~~
a.cc:5:9: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:9: error: 'cin' does not name a type
    6 |         cin>>a>>b>>c>>d;
      |         ^~~
a.cc:7:9: error: 'cout' does not name a type
    7 |         cout<<(a*b >=c*d ? a*b:c*d)<<endl;
      |         ^~~~
a.cc:8:3: error: expected unqualified-id before 'return'
    8 |   return 0;
      |   ^~~~~~
a.cc:10:1: error: expected declaration before '}' token
   10 | }
      | ^
Language: C++

a, b, c, d = map(int, input().split())
if a*b>c*d:
    print(a*b)
elif a*b==c*d:
    print(c*d)
else:
    print(a*b)

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

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

typedef long long int ll;
#define INF 1999999999
#define MODA 1000000007

int main()
{
    // freopen("input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);
    ios::sync_with_stdio(fals  cin.tie(0);
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    int side1 = a * b;
    int side2 = c * d;
    if(side1 > side2)
        cout << side1 << endl;
    else
        cout << side2 << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:26: error: 'fals' was not declared in this scope; did you mean 'fabs'?
   12 |     ios::sync_with_stdio(fals  cin.tie(0);
      |                          ^~~~
      |                          fabs
Language: C++

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

int main(){
  int a,b,,c,d;
  cin>>a>>b>>c>>d;
  cout<<max(a*b,c*d)<<endl;
}

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

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

int main() {
  int A,B,C,D;
  cin >> A >> B >> C >> D;
  
  if(A*B>C*D){
    cout << A*B << endl;
  }
  else if(A*B<C*D){
    cout << C*D << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:2: error: expected '}' at end of input
   13 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
  int A,B,C,D;
  cin >> A >> B >> C >> D;
  
  if(A*B>C*D){
    cout << A*B << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:2: error: expected '}' at end of input
   10 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int32_t main()
{
	c_p_c();
	int a,b,c,d;
	cin>>a>>b>>c>>d;
	if((a*b)>(c*d)) {
		cout<<(a*b);
	}
	else if((a*b)<(c*d)) {
		cout<<(c*d);
	}
	else {
		cout<<(a*b);
	}
	return 0;
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:5:9: error: 'c_p_c' was not declared in this scope
    5 |         c_p_c();
      |         ^~~~~
Language: C++

#include <iostream> 
using namespace std ;
int main () 
{
int A,B ;
cin >> A,B ;
area = A*B*2  ;
cout << Area ;

return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:7:1: error: 'area' was not declared in this scope
    7 | area = A*B*2  ;
      | ^~~~
a.cc:8:9: error: 'Area' was not declared in this scope
    8 | cout << Area ;
      |         ^~~~
a.cc:10:10: error: expected '}' at end of input
   10 | return 0;
      |          ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

#include <bits/stdc++.h>
#include <math.h>
#define REP(i, n) for(int i = 0; i < (n); i++)
#define ALL(v) (v).begin(), (v).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
const int INF = 1001001001;
const int mINF = -1001001001;


int main() 
int A,B,C,D;
cin >> A >> B >> C >> D;
if(A*B<C*D) {
  cout << C*D << endl;
} else {
  cout << A*B << endl;
}
return 0;
}


Compiler output:
a.cc:13:1: error: expected initializer before 'int'
   13 | int A,B,C,D;
      | ^~~
a.cc:14:1: error: 'cin' does not name a type
   14 | cin >> A >> B >> C >> D;
      | ^~~
a.cc:15:1: error: expected unqualified-id before 'if'
   15 | if(A*B<C*D) {
      | ^~
a.cc:17:3: error: expected unqualified-id before 'else'
   17 | } else {
      |   ^~~~
a.cc:20:1: error: expected unqualified-id before 'return'
   20 | return 0;
      | ^~~~~~
a.cc:21:1: error: expected declaration before '}' token
   21 | }
      | ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(void)
{
	int a,b,c,d; cin>>a>>b>>c>>d;
	if(a*b > c*d) cout<<a*b<<endl;
	else cout<<c*d<<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:25: error: expected primary-expression before '<' token
    9 |         else cout<<c*d<<<endl;
      |                         ^
Language: C++

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

template <class T1, class T2>
using dict = std::unordered_map<T1, T2>;

int main(){
    ll A,B,C,D;
    cin >> A >> B>>C>>D;
    cout << max(A*B,C*D) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'll' was not declared in this scope
    8 |     ll A,B,C,D;
      |     ^~
a.cc:9:12: error: 'A' was not declared in this scope
    9 |     cin >> A >> B>>C>>D;
      |            ^
a.cc:9:17: error: 'B' was not declared in this scope
    9 |     cin >> A >> B>>C>>D;
      |                 ^
a.cc:9:20: error: 'C' was not declared in this scope
    9 |     cin >> A >> B>>C>>D;
      |                    ^
a.cc:9:23: error: 'D' was not declared in this scope
    9 |     cin >> A >> B>>C>>D;
      |                       ^
Language: C

#include<stdio.h>
int main(void){
    int a,b,c,d,ans;
    csnaf("%d%d%d%d",&a,&b,&c,&d);
    ans=a*b>=c*d?a*b:c*d;
    printf("%d",ans);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:5: error: implicit declaration of function 'csnaf' [-Wimplicit-function-declaration]
    4 |     csnaf("%d%d%d%d",&a,&b,&c,&d);
      |     ^~~~~
Language: C++

include<iostream>
using namespace std;
int main(){
  int a,b,c,d;
  cin >> a >> b >> c >> d;
  if (a*b > c*d) cout << a*b << endl;
  else cout << c*d << 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:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> a >> b >> c >> d;
      |   ^~~
a.cc:6:18: error: 'cout' was not declared in this scope
    6 |   if (a*b > c*d) cout << a*b << endl;
      |                  ^~~~
a.cc:6:33: error: 'endl' was not declared in this scope
    6 |   if (a*b > c*d) cout << a*b << endl;
      |                                 ^~~~
a.cc:7:8: error: 'cout' was not declared in this scope
    7 |   else cout << c*d << endl;
      |        ^~~~
a.cc:7:23: error: 'endl' was not declared in this scope
    7 |   else cout << c*d << endl;
      |                       ^~~~
Language: C++

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

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:3: error: expected primary-expression before 'int'
    4 |   int a,b,c,d;
      |   ^~~
a.cc:4:3: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:3: error: 'cin' does not name a type
    5 |   cin >> a >> b >> c >> d;
      |   ^~~
a.cc:6:3: error: expected unqualified-id before 'if'
    6 |   if (a*b > c*d) cout << a*b << endl;
      |   ^~
a.cc:7:3: error: expected unqualified-id before 'else'
    7 |   else cout << c*d << endl;
      |   ^~~~
a.cc:8:3: error: expected unqualified-id before 'return'
    8 |   return 0;
      |   ^~~~~~
a.cc:9:1: error: expected declaration before '}' token
    9 | }
      | ^
Language: C++

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

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:3: error: expected primary-expression before 'int'
    4 |   int a,b,c,d;
      |   ^~~
a.cc:4:3: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:3: error: 'cin' does not name a type
    5 |   cin >> a >> b >> c >> d;
      |   ^~~
a.cc:6:3: error: expected unqualified-id before 'if'
    6 |   if (a*b > c*d) cout << a*b << endl;
      |   ^~
a.cc:7:3: error: expected unqualified-id before 'else'
    7 |   else cout << c*d << endl;
      |   ^~~~
a.cc:8:3: error: expected unqualified-id before 'return'
    8 |   return 0;
      |   ^~~~~~
a.cc:9:1: error: expected declaration before '}' token
    9 | }
      | ^
Language: C++

include<iostream>
using namespace std;
int main(){
  int a,b,c,d;
  cin>>a>>b>>c>>d;
  if(a*b>=c*d)
    cout<<a*b<<endl;
  else
    cout<<c*d<<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:5:3: error: 'cin' was not declared in this scope
    5 |   cin>>a>>b>>c>>d;
      |   ^~~
a.cc:7:5: error: 'cout' was not declared in this scope
    7 |     cout<<a*b<<endl;
      |     ^~~~
a.cc:7:16: error: 'endl' was not declared in this scope
    7 |     cout<<a*b<<endl;
      |                ^~~~
a.cc:9:5: error: 'cout' was not declared in this scope
    9 |     cout<<c*d<<endl;
      |     ^~~~
a.cc:9:16: error: 'endl' was not declared in this scope
    9 |     cout<<c*d<<endl;
      |                ^~~~
Language: C++

include<iostream>
using namespace std;
int main(){
  int x=a*b,int y=c*d;
  if(x>=y)
    cout<<x<<endl;
  else
    cout<<y<<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:4:9: error: 'a' was not declared in this scope
    4 |   int x=a*b,int y=c*d;
      |         ^
a.cc:4:11: error: 'b' was not declared in this scope
    4 |   int x=a*b,int y=c*d;
      |           ^
a.cc:5:9: error: 'y' was not declared in this scope
    5 |   if(x>=y)
      |         ^
a.cc:6:5: error: 'cout' was not declared in this scope
    6 |     cout<<x<<endl;
      |     ^~~~
a.cc:6:14: error: 'endl' was not declared in this scope
    6 |     cout<<x<<endl;
      |              ^~~~
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<y<<endl;
      |     ^~~~
a.cc:8:14: error: 'endl' was not declared in this scope
    8 |     cout<<y<<endl;
      |              ^~~~
Language: C++

include<iostream>
using namespace std;
int main(){
  x=a*b,y=c*d;
  if(x>=y)
    cout<<x<<endl;
  else
    cout<<y<<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:4:3: error: 'x' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |   ^
a.cc:4:5: error: 'a' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |     ^
a.cc:4:7: error: 'b' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |       ^
a.cc:4:9: error: 'y' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |         ^
a.cc:4:11: error: 'c' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |           ^
a.cc:4:13: error: 'd' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |             ^
a.cc:6:5: error: 'cout' was not declared in this scope
    6 |     cout<<x<<endl;
      |     ^~~~
a.cc:6:14: error: 'endl' was not declared in this scope
    6 |     cout<<x<<endl;
      |              ^~~~
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<y<<endl;
      |     ^~~~
a.cc:8:14: error: 'endl' was not declared in this scope
    8 |     cout<<y<<endl;
      |              ^~~~
Language: C++

include<iostream>
using namespace std;
int main(){
  x=a*b,y=c*d;
  if x>=y
    cout<<x<<endl;
  else
    cout<<y<<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:4:3: error: 'x' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |   ^
a.cc:4:5: error: 'a' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |     ^
a.cc:4:7: error: 'b' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |       ^
a.cc:4:9: error: 'y' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |         ^
a.cc:4:11: error: 'c' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |           ^
a.cc:4:13: error: 'd' was not declared in this scope
    4 |   x=a*b,y=c*d;
      |             ^
a.cc:5:6: error: expected '(' before 'x'
    5 |   if x>=y
      |      ^
      |      (
a.cc:7:3: error: 'else' without a previous 'if'
    7 |   else
      |   ^~~~
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<y<<endl;
      |     ^~~~
a.cc:8:14: error: 'endl' was not declared in this scope
    8 |     cout<<y<<endl;
      |              ^~~~
Language: Java

import java.util.*;
import java.util.Collections;

public class Main {
  public static void main(String[] args) {
    // Scanner sc = new Scanner(System.in);
    int A = sc.nextInt();
    int B = sc.nextInt();
    int C = sc.nextInt();
    int D = sc.nextInt();

    System.out.println(Math.max(A * B, C * D));
  }
}


Compiler output:
Main.java:7: error: cannot find symbol
    int A = sc.nextInt();
            ^
  symbol:   variable sc
  location: class Main
Main.java:8: error: cannot find symbol
    int B = sc.nextInt();
            ^
  symbol:   variable sc
  location: class Main
Main.java:9: error: cannot find symbol
    int C = sc.nextInt();
            ^
  symbol:   variable sc
  location: class Main
Main.java:10: error: cannot find symbol
    int D = sc.nextInt();
            ^
  symbol:   variable sc
  location: class Main
4 errors
Language: C++

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

int main(){
  int A,B,C,D;
  cin>>A>>B>>C>>D;
  cout<<max(A*B,C*D)<<endl;
}

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

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


Compiler output:
main.c: In function 'main':
main.c:9:5: error: implicit declaration of function 'prinf'; did you mean 'printf'? [-Wimplicit-function-declaration]
    9 |     prinf("%d",a*b);
      |     ^~~~~
      |     printf
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> P;
typedef long long ll;
typedef long double ld;
const int inf=1e9+7;
const ll longinf=1LL<<60;
#define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i )
#define rep(i,n) REP(i,0,n)
#define F first
#define S second

const int mx=100010;
const ll mod=1e9+7;

int main(){
  int a,b,c,d
  cin >> a >> b >> c >> d;
  cout << max(a*b,c*d) << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:3: error: expected initializer before 'cin'
   18 |   cin >> a >> b >> c >> d;
      |   ^~~
a.cc:19:21: error: 'd' was not declared in this scope
   19 |   cout << max(a*b,c*d) << endl;
      |                     ^
Language: C++

#include <iostream>
#include <string>
 
int main() {
  int a,b,c,d;
  cin a>>b>>c>>d;
  
  if(a*b > c*d){
  	std::cout<<a*b;
  }else{
    std::cout<<c*d;
  }
}

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 a>>b>>c>>d;
      |   ^~~
      |   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
      |                  ^~~
Language: C++

#include <iostream>
#include <string>
 
int main() {
  int a,b,c,d;
  cin a>>b>>c>>d;
  
  if(a*b > c*d){
  	std::cout<<a*b;
  }else{
    atd::cout<<c*d;
  }
}

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 a>>b>>c>>d;
      |   ^~~
      |   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:11:5: error: 'atd' has not been declared
   11 |     atd::cout<<c*d;
      |     ^~~
Language: Java

import java.util.Scanner;

public class Abc052A {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int d = sc.nextInt();

    if (a * b > c * d) {
      System.out.println(a * b);
    } else {
      System.out.println(c * d);
    }
  }
}


Compiler output:
Main.java:3: error: class Abc052A is public, should be declared in a file named Abc052A.java
public class Abc052A {
       ^
1 error
Language: C

#include
#include

int main()
{
int a,b,c,e;
while(~scanf("%d %d %d %d",&a,&b,&c,&e))
{
if(a*b>=c*e)
printf("%d\n",a*b); else printf("%d\n",c*e);
}

}

Compiler output:
main.c:1:9: error: #include expects "FILENAME" or <FILENAME>
    1 | #include
      |         ^
main.c:2:9: error: #include expects "FILENAME" or <FILENAME>
    2 | #include
      |         ^
main.c: In function 'main':
main.c:7:8: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    7 | while(~scanf("%d %d %d %d",&a,&b,&c,&e))
      |        ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #include
main.c:7:8: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    7 | while(~scanf("%d %d %d %d",&a,&b,&c,&e))
      |        ^~~~~
main.c:7:8: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:10:1: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 | printf("%d\n",a*b); else printf("%d\n",c*e);
      | ^~~~~~
main.c:10:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:1: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:10:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:26: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   10 | printf("%d\n",a*b); else printf("%d\n",c*e);
      |                          ^~~~~~
main.c:10:26: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include
#include

int main()
{
int a,b,c,e;
while(~scanf("%d %d %d %d",&a,&b,&c,&e))
{
if(ab>=ce)
printf("%d\n",ab); else printf("%d\n",ce);
}

}

Compiler output:
main.c:1:9: error: #include expects "FILENAME" or <FILENAME>
    1 | #include
      |         ^
main.c:2:9: error: #include expects "FILENAME" or <FILENAME>
    2 | #include
      |         ^
main.c: In function 'main':
main.c:7:8: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    7 | while(~scanf("%d %d %d %d",&a,&b,&c,&e))
      |        ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #include
main.c:7:8: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    7 | while(~scanf("%d %d %d %d",&a,&b,&c,&e))
      |        ^~~~~
main.c:7:8: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:9:4: error: 'ab' undeclared (first use in this function); did you mean 'b'?
    9 | if(ab>=ce)
      |    ^~
      |    b
main.c:9:4: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:8: error: 'ce' undeclared (first use in this function); did you mean 'e'?
    9 | if(ab>=ce)
      |        ^~
      |        e
main.c:10:1: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 | printf("%d\n",ab); else printf("%d\n",ce);
      | ^~~~~~
main.c:10:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:1: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:10:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:25: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   10 | printf("%d\n",ab); else printf("%d\n",ce);
      |                         ^~~~~~
main.c:10:25: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
    long long int a,b,c,d;
    cin>>a>>b>>c>>d;
    a1=a*b;
    a2=c*d;
    if(a1>a2)
    {
        cout<<a1<<endl;
    }
    else if(a2>a1)
    {
        cout<<a2<<endl;
    }
    else 
    {
        cout<<a1<<endl;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'a1' was not declared in this scope; did you mean 'a'?
    7 |     a1=a*b;
      |     ^~
      |     a
a.cc:8:5: error: 'a2' was not declared in this scope; did you mean 'a'?
    8 |     a2=c*d;
      |     ^~
      |     a
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
    long long int a,b,c,d;
    cin>>a>>b>>c>>d;
    a1=a*b;
    a2=c*d;
    if(a1>a2)
    {
        cout<<a1<<endl;
    }
    else 
    {
        cout<<a2<<endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'a1' was not declared in this scope; did you mean 'a'?
    7 |     a1=a*b;
      |     ^~
      |     a
a.cc:8:5: error: 'a2' was not declared in this scope; did you mean 'a'?
    8 |     a2=c*d;
      |     ^~
      |     a
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
#define rep(i,n) for(long long (i)=0;(i)<(n);(i)++)
#define ll long long
#define pr_qu priority_queue
#define vec(name,size,common) vector<ll> (name)((size),(common))
 
 
 
 
 
int main(){
  int a,b,c,d;
  cin>>a>>b>>c>>d;
  a = a*b;
  c = c*d;
  if(a>=c){
    cout<<a;
  }else{
    cout<<c
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:12: error: expected ';' before '}' token
   21 |     cout<<c
      |            ^
      |            ;
   22 |   }
      |   ~
Language: C++

#include <bits/stdc++.h>

using namespace std;
int main() {
  int a, b, c, d;
  cin >> a >> b >> c >> d;

  int rectangle1 = a * b;
  int rectangle2 = c * d;

  if (rectangle1 == rectangle2)
    cout << rectangle1;
  else
    (rectangle1 > rectangle2 ? rectangle1 : rectangle2) << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:57: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   14 |     (rectangle1 > rectangle2 ? rectangle1 : rectangle2) << endl;
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
Language: C++

#include  <iostream>
using namespace std;

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

	return 0;
}
0

Compiler output:
a.cc:13:1: error: expected unqualified-id before numeric constant
   13 | 0
      | ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,m,n) for(int i=m; i<n; i++)
#define co(n) cout << n << endl
using namespace std;
int main(){
  int a, b, c, d;
  cin >> a >> b >> c >> d;
  if(a*b>c*d) co(a*b);
  else so(c*d);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: 'so' was not declared in this scope; did you mean 'co'?
    9 |   else so(c*d);
      |        ^~
      |        co
Language: Java

import java.util.*;
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int d = sc.nextInt();
    
    int ab = a * b;
    int cd = c * d;
    
    if (ab = cd) {
      System.out.println(ab);
    } else if (ab > cd) {
      System.out.println(ab);
    } else if (cd > ab) {
      System.out.println(cd);
    }
  }
}

Compiler output:
Main.java:14: error: incompatible types: int cannot be converted to boolean
    if (ab = cd) {
           ^
1 error
Language: Java

import java.util.*;
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int d = sc.nextInt();
    
    int ab = a * b;
    int cd = c * d;
    
    if (ad = cd) {
      System.out.println(ab);
    } else if (ab > cd) {
      System.out.println(ab);
    } else if (cd > ab) {
      System.out.println(cd);
    }
  }
}

Compiler output:
Main.java:14: error: cannot find symbol
    if (ad = cd) {
        ^
  symbol:   variable ad
  location: class Main
1 error
Language: Java

import java.util.*;
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int d = sc.nextInt();
    
    int ab = a * b;
    int cd = c * d;
    
    if (ad = cd) {
      System.out.println(ab);
    } else if (ad > cd) {
      System.out.println(ab);
    } else if (cd > ad) {
      System.out.println(cd);
    }
  }
}

Compiler output:
Main.java:14: error: cannot find symbol
    if (ad = cd) {
        ^
  symbol:   variable ad
  location: class Main
Main.java:16: error: cannot find symbol
    } else if (ad > cd) {
               ^
  symbol:   variable ad
  location: class Main
Main.java:18: error: cannot find symbol
    } else if (cd > ad) {
                    ^
  symbol:   variable ad
  location: class Main
3 errors