criyle/codenet-compile-errors huggingface dataset:
Language: Java

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int W, H, x, y;
		W = sc.nextInt();
		H = sc.nextInt();
		x = sc.nextInt();
		y = sc.nextInt();

		double ans = (double)W*H/ 2;
		int a = 0;
      if(x*2==W&&y*2==H){
        a=1;
         }
      System.out.println(S+" "+a);
	}
}


Compiler output:
Main.java:17: error: cannot find symbol
      System.out.println(S+" "+a);
                         ^
  symbol:   variable S
  location: class Main
1 error
Language: C++

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


#define ll long double
int main(){
  
  ll w,h,x,y,ans;
  cin>>w>>h>>x>>y;
  ll a1 = h*(min(x,w-x));
  ll a2 = w*(min(x,h-y));
  
  
  if(a1 == a2)
     cout<<a2<<" "<<"1";
  else cout<<max(a1,a2)<<" "<<"0";
  
  return 0;
}
  
  if(a1 == a2)
     cout<<a2<<"1";
  else cout<<max(a1,a2)<<"0";
  
  return 0;
}

Compiler output:
a.cc:21:3: error: expected unqualified-id before 'if'
   21 |   if(a1 == a2)
      |   ^~
a.cc:23:3: error: expected unqualified-id before 'else'
   23 |   else cout<<max(a1,a2)<<"0";
      |   ^~~~
a.cc:25:3: error: expected unqualified-id before 'return'
   25 |   return 0;
      |   ^~~~~~
a.cc:26:1: error: expected declaration before '}' token
   26 | }
      | ^
Language: C++

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

#define ll long long int
int main(){
  
  ll w,h,x,y,ans;
  ll a1 = h*(min(x,w-x));
  ll a2 = w*(min(x,h-y));
  #include<bits/stdc++.h>
using namespace std;

#define ll long double
int main(){
  
  ll w,h,x,y,ans;
  cin>>w>>h>>x>>y;
  ll a1 = h*(min(x,w-x));
  ll a2 = w*(min(x,h-y));
  
  
  if(a1 == a2)
     cout<<a2<<" "<<"1";
  else cout<<max(a1,a2)<<" "<<"0";
  
  return 0;
}
  
  if(a1 == a2)
     cout<<a2<<"1";
  else cout<<max(a1,a2)<<"0";
  
  return 0;
}

Compiler output:
a.cc:13:9: warning: "ll" redefined
   13 | #define ll long double
      |         ^~
a.cc:4:9: note: this is the location of the previous definition
    4 | #define ll long long int
      |         ^~
a.cc: In function 'int main()':
a.cc:14:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   14 | int main(){
      |         ^~
a.cc:14:9: note: remove parentheses to default-initialize a variable
   14 | int main(){
      |         ^~
      |         --
a.cc:14:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:14:11: error: a function-definition is not allowed here before '{' token
   14 | int main(){
      |           ^
Language: C++

//#include "pch.h"
#include <iostream>
#include<string>
#include<algorithm>
 
#include<iostream>
using namespace std;
 
int main() {
    int W, H,x,y;
	cin >> W >> H>>x>>y;
	double sq = (double)W * H/2;
	printf("%.10f ",sq);
    
	
	if (2*x == W  && 2*y == H ) cout << 1 << endl;
	else cout << 0 << endl;
	
}
 
 
 //#include "pch.h"
#include <iostream>
#include<string>
#include<algorithm>

#include<iostream>
using namespace std;

int main() {
    double W, H,x,y;
	cin >> W >> H>>x>>y;
	double sq = (double)W * H/2;
	printf("%.10f ",sq);
    
	
	if (2*x == W  && 2*y == H ) cout << 1 << endl;
	else cout << 0 << endl;
	
}


Compiler output:
a.cc:30:5: error: redefinition of 'int main()'
   30 | int main() {
      |     ^~~~
a.cc:9:5: note: 'int main()' previously defined here
    9 | int main() {
      |     ^~~~
Language: C++

/*input
2 3 1 2

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

// ALL DEFFINES HERE
#define ll long long int
#define ii pair<int, int>
#define mp make_pair
#define N 100005
#define rep(i, n) for(int i=0; i < n; i++)
#define Rep(i, k, n) for(int i=k; i < n; i++)
#define pb push_back
#define vi vector<int>
#define vii vector< vector<int> >
#define vl vector<ll>
#define F first
#define S second
#define all(v) v.begin(), v.end()

// ALL declarations here const ints etc
const  ll mod = 1e9+7; 

// IMPORTANT FUNCTION DECLARATIONS , 
//SORRY FOR THE BAD PRESENTATION
ll gcd(ll a, ll b)
{
	if ( b==0)
		return a;
	return gcd(b, a%b);
}
ll absl(ll a )
{
	return  a>= 0 ?a:-a;
}
ll maxl(ll a, ll b)
{
	return a >= b? a:b;
}
ll exp(ll a, ll n)
{
	if ( n==0)
		return 1;
	if ( n==1 )
		return a;
	if ( n & 1)
		return (a%mod * exp((a*a)%mod, n/2)%mod)%mod;
	else
		return exp((a*a)%mod, n/2)%mod;
}
// --->>> main starts here
// m*h >= l + k
double mi( double a , double b)
{
	return a < b? a : b;
}
double mx( double a , double b)
{
	return a >= b ? a : b;
}
void solve()
{
	int w , h, x, y;
	cin >> w >> h >> x >> y;
	int multiple =0;
	if ( w == 2*x && h == 2*y)
		multiple =1;
	
	cout <<<<w*h/2  <<  " " << multiple;

}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  // auto beginProgram = chrono::steady_clock::now();
  // int t; cin >> t;
  // while (t--) 
  {
    solve();
  }
  // auto endProgram = chrono::steady_clock::now();
  // std::chrono::duration<double> diff = endProgram - beginProgram;
  // cout << "\nTime: " <<diff.count()*1000 << " ms\n";
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:71:16: error: expected primary-expression before '<<' token
   71 |         cout <<<<w*h/2  <<  " " << multiple;
      |                ^~
Language: C++

/*input
2 3 1 2

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

// ALL DEFFINES HERE
#define ll long long int
#define ii pair<int, int>
#define mp make_pair
#define N 100005
#define rep(i, n) for(int i=0; i < n; i++)
#define Rep(i, k, n) for(int i=k; i < n; i++)
#define pb push_back
#define vi vector<int>
#define vii vector< vector<int> >
#define vl vector<ll>
#define F first
#define S second
#define all(v) v.begin(), v.end()

// ALL declarations here const ints etc
const  ll mod = 1e9+7; 

// IMPORTANT FUNCTION DECLARATIONS , 
//SORRY FOR THE BAD PRESENTATION
ll gcd(ll a, ll b)
{
	if ( b==0)
		return a;
	return gcd(b, a%b);
}
ll absl(ll a )
{
	return  a>= 0 ?a:-a;
}
ll maxl(ll a, ll b)
{
	return a >= b? a:b;
}
ll exp(ll a, ll n)
{
	if ( n==0)
		return 1;
	if ( n==1 )
		return a;
	if ( n & 1)
		return (a%mod * exp((a*a)%mod, n/2)%mod)%mod;
	else
		return exp((a*a)%mod, n/2)%mod;
}
// --->>> main starts here
// m*h >= l + k
double mi( double a , double b)
{
	return a < b? a : b;
}
double mx( double a , double b)
{
	return a >= b ? a : b;
}
void solve()
{
	int w , h, x, y;
	cin >> w >> h >> x >> y;
	int multiple =0;
	if ( w%2 ==0  && h%2 ==0 && w/2 == x && h/2 == y)
		multiple =1;
	double area  = (w * h * 1.0) / 2
	cout << setprecision(6) << fixed <<area  <<  " " << multiple;

}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  // auto beginProgram = chrono::steady_clock::now();
  // int t; cin >> t;
  // while (t--) 
  {
    solve();
  }
  // auto endProgram = chrono::steady_clock::now();
  // std::chrono::duration<double> diff = endProgram - beginProgram;
  // cout << "\nTime: " <<diff.count()*1000 << " ms\n";
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:71:9: error: expected ',' or ';' before 'cout'
   71 |         cout << setprecision(6) << fixed <<area  <<  " " << multiple;
      |         ^~~~
Language: Java

import java.util.*;
 
public class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	int width = scan.nextDouble();	
      	int height = scan.nextDouble();
      	int x = scan.nextDouble();
      	int y = scan.nextDouble();
      	int mi = 0;
      	System.out.print(width * height / 2.0);
      	if(width == 2 * x && height == 2 * y) {
        	mi = 1;
        }
      	System.out.print(" " + mi);
    
    }
 
 
}

Compiler output:
Main.java:6: error: incompatible types: possible lossy conversion from double to int
      	int width = scan.nextDouble();	
      	                           ^
Main.java:7: error: incompatible types: possible lossy conversion from double to int
      	int height = scan.nextDouble();
      	                            ^
Main.java:8: error: incompatible types: possible lossy conversion from double to int
      	int x = scan.nextDouble();
      	                       ^
Main.java:9: error: incompatible types: possible lossy conversion from double to int
      	int y = scan.nextDouble();
      	                       ^
4 errors
Language: Java

import java.util.Arrays;
import java.util.Scanner;
import java.math.*;

public class Main {
public static void main(String[] args) {
		
		Scanner keyboard = new Scanner(System.in); 
		
		BigInteger W  = keyboard.nextInt();
		BigInteger H  = keyboard.nextInt();
		BigInteger x  = keyboard.nextInt();
		BigInteger y  = keyboard.nextInt();
		
		double men = (W*H)/2.0;
		double a = x*H;
		double b = (W*H)-a;
		double c = y*W;
		double d = (W*H)-c;
		
		double xx = Math.min(a, b);
		double yy = Math.min(c, d);
		
		int hou = 0;
		
		if(xx == men) {
			hou ++;
		}
		if(yy == men) {
			hou ++;
		}
		
		if(hou <= 1) {
			hou = 0;
		}else {
			hou = 1;
		}

		System.out.print(men + " " + hou);
		keyboard.close();	
	}
}


Compiler output:
Main.java:10: error: incompatible types: int cannot be converted to BigInteger
		BigInteger W  = keyboard.nextInt();
		                                ^
Main.java:11: error: incompatible types: int cannot be converted to BigInteger
		BigInteger H  = keyboard.nextInt();
		                                ^
Main.java:12: error: incompatible types: int cannot be converted to BigInteger
		BigInteger x  = keyboard.nextInt();
		                                ^
Main.java:13: error: incompatible types: int cannot be converted to BigInteger
		BigInteger y  = keyboard.nextInt();
		                                ^
Main.java:15: error: bad operand types for binary operator '*'
		double men = (W*H)/2.0;
		               ^
  first type:  BigInteger
  second type: BigInteger
Main.java:16: error: bad operand types for binary operator '*'
		double a = x*H;
		            ^
  first type:  BigInteger
  second type: BigInteger
Main.java:17: error: bad operand types for binary operator '*'
		double b = (W*H)-a;
		             ^
  first type:  BigInteger
  second type: BigInteger
Main.java:18: error: bad operand types for binary operator '*'
		double c = y*W;
		            ^
  first type:  BigInteger
  second type: BigInteger
Main.java:19: error: bad operand types for binary operator '*'
		double d = (W*H)-c;
		             ^
  first type:  BigInteger
  second type: BigInteger
9 errors
Language: Java

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        double W = Integer.parseInt(scan.next());
        double H = Integer.parseInt(scan.next());
        double x = Integer.parseInt(scan.next());
        double y = Integer.parseInt(scan.next());
        if (W/2 == x && H/2  == y){
            System.out.println(W*H/2 + " " + 1);
        }
        else{
            System.out.println((W*H/2 + " " + 0);
        }
    }
}

Compiler output:
Main.java:13: error: ')' or ',' expected
            System.out.println((W*H/2 + " " + 0);
                                                ^
1 error
Language: C++

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

int main(){
    int W,H,x,y;
    cin>>W>>H>>x>>y;

    cout<<W*H/2<<" ";
    if(x==w/2&&y==H/2){
        cout<<1<<endl;
    }
    else {
        cout<<0<<endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:11: error: 'w' was not declared in this scope
    9 |     if(x==w/2&&y==H/2){
      |           ^
Language: Java

import java.util.Arrays;
import java.util.Scanner;

public class Main {
public static void main(String[] args) {
		
		Scanner keyboard = new Scanner(System.in); 
		
		int W  = keyboard.nextInt();
		int H  = keyboard.nextInt();
		int x  = keyboard.nextInt();
		int y  = keyboard.nextInt();
		
		long double men = (W*H)/2.0;
		double a = x*H;
		double b = (W*H)-a;
		double c = y*W;
		double d = (W*H)-c;
		
		double xx = Math.min(a, b);
		double yy = Math.min(c, d);
		
		int hou = 0;
		
		if(xx == men) {
			hou ++;
		}
		if(yy == men) {
			hou ++;
		}
		
		if(hou <= 1) {
			hou = 0;
		}else {
			hou = 1;
		}

		System.out.print(men + " " + hou);
		keyboard.close();	
	}
}


Compiler output:
Main.java:14: error: not a statement
		long double men = (W*H)/2.0;
		^
Main.java:14: error: ';' expected
		long double men = (W*H)/2.0;
		    ^
2 errors
Language: C++

import java.util.Arrays;
import java.util.Scanner;

public class Main {
public static void main(String[] args) {
		
		Scanner keyboard = new Scanner(System.in); 
		
		int W  = keyboard.nextInt();
		int H  = keyboard.nextInt();
		int x  = keyboard.nextInt();
		int y  = keyboard.nextInt();
		
		long double men = (W*H)/2.0;
		double a = x*H;
		double b = (W*H)-a;
		double c = y*W;
		double d = (W*H)-c;
		
		double xx = Math.min(a, b);
		double yy = Math.min(c, d);
		
		int hou = 0;
		
		if(xx == men) {
			hou ++;
		}
		if(yy == men) {
			hou ++;
		}
		
		if(hou <= 1) {
			hou = 0;
		}else {
			hou = 1;
		}

		System.out.print(men + " " + hou);
		keyboard.close();	
	}
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Arrays;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.Scanner;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: expected unqualified-id before 'public'
    4 | public class Main {
      | ^~~~~~
Language: C++

#include <iostream>
#include <iomanip>

using namespace std;
int main(){
float W, H, x, y;
  
  cin >> W >> H >> x >> y;
  float cenX = W/2, cenY = H/2;
  
  float s = W*H/2;
  
  cout << setprecision(7) << s;

  if(x == cenX && y == cenY){
  cout << " 1" << endl;
    
  }
  else {
  cout << " 0"<< endl;
  }
  

}#include <iostream>
#include <iomanip>

using namespace std;
int main(){
float W, H, x, y;
  
  cin >> W >> H >> x >> y;
  float cenX = W/2, cenY = H/2;
  
  float s = W*H/2;
  
  cout << setprecision(9) << s;

  if(x == cenX && y == cenY){
  cout << " 1" << endl;
    
  }
  else {
  cout << " 0"<< endl;
  }
  

}

Compiler output:
a.cc:24:2: error: stray '#' in program
   24 | }#include <iostream>
      |  ^
a.cc:24:3: error: 'include' does not name a type
   24 | }#include <iostream>
      |   ^~~~~~~
a.cc:28:5: error: redefinition of 'int main()'
   28 | int main(){
      |     ^~~~
a.cc:5:5: note: 'int main()' previously defined here
    5 | int main(){
      |     ^~~~
Language: C++

#include <iostream>

int
main(int argc, char** argv) {
    int W, H, x, y;
    std::cin >> W >> H >> x >> y;

    double a = (double)w*h/2.0;
    int div = 0;
    if ((x == (W/2)) && (y == (H/2))) {
        div = 1;
    }
    std::printf("%lf %d\n",a, div);
    return 0;
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:8:24: error: 'w' was not declared in this scope
    8 |     double a = (double)w*h/2.0;
      |                        ^
a.cc:8:26: error: 'h' was not declared in this scope
    8 |     double a = (double)w*h/2.0;
      |                          ^
Language: C

#include<stdio.h>
int main(){
  int w,h,x,y;
  float ans=0;
  scanf("%d %d %d %d",&w,&h,&x,&y);
  ans=(double)w*h/2;
  if(w==x*2 && h==y*2){
    cut=1;
  }
  else cut=0;
  printf("%f %d",ans,cut);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:8:5: error: 'cut' undeclared (first use in this function)
    8 |     cut=1;
      |     ^~~
main.c:8:5: 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() {
    double w, h, x, y;
    cin >> w >> h >> x >> y;
	double ans;
	ans = w * h / 2.0;
	if (x == w / 2.0 && y == h / 2/) {
		cout << ans << " " << 1 << endl;
	}
	else {
		cout << ans << " " << 0 << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:40: error: expected primary-expression before ')' token
    9 |         if (x == w / 2.0 && y == h / 2/) {
      |                                        ^
Language: C

#include<stdio.h>
int main(){
  int w,h,x,y;
  float ans=0;
  int cut=0;
  scanf("%d %d %d %d",&w,&h,&x,%y);
  ans=(double)w*h/2;
  if(w==x*2 && h==y*2){
    cut=1;
  }
  printf("%f %d",ans,cut);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:6:32: error: expected expression before '%' token
    6 |   scanf("%d %d %d %d",&w,&h,&x,%y);
      |                                ^
Language: Java

import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner scan = new Scanner(System.in);
        long int w = Integer.parseInt(scan.next());
        long int h = Integer.parseInt(scan.next());
        long int x = Integer.parseInt(scan.next());
        long int y = Integer.parseInt(scan.next());
        
        if((2*x == w)&& (2*y == h)){
            System.out.println(w * h / 2.0 + " 1");
        }else{
            System.out.println(w * h / 2.0 + " 0");
        }
    }
}


Compiler output:
Main.java:7: error: not a statement
        long int w = Integer.parseInt(scan.next());
        ^
Main.java:7: error: ';' expected
        long int w = Integer.parseInt(scan.next());
            ^
Main.java:8: error: not a statement
        long int h = Integer.parseInt(scan.next());
        ^
Main.java:8: error: ';' expected
        long int h = Integer.parseInt(scan.next());
            ^
Main.java:9: error: not a statement
        long int x = Integer.parseInt(scan.next());
        ^
Main.java:9: error: ';' expected
        long int x = Integer.parseInt(scan.next());
            ^
Main.java:10: error: not a statement
        long int y = Integer.parseInt(scan.next());
        ^
Main.java:10: error: ';' expected
        long int y = Integer.parseInt(scan.next());
            ^
8 errors
Language: C

#include <stdio.h>
int main(){
  int a,b,c,d=0;
  scanf("%d",&a);
  scanf("%d",&b);
  scanf("%d",&c);
  scanf("%d",&d);
  ans = (a*b)/2;
  if(a==b &&  c==d){
    ans2 = 1;
  }
  printf("%d %d",ans,ans2);
  return 0;
}
    

Compiler output:
main.c: In function 'main':
main.c:8:3: error: 'ans' undeclared (first use in this function)
    8 |   ans = (a*b)/2;
      |   ^~~
main.c:8:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:5: error: 'ans2' undeclared (first use in this function)
   10 |     ans2 = 1;
      |     ^~~~
Language: C++

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


int main(){
  long double w,h,x,y;
 cin>>w>>h>>x>>y;
  long double m=w*h/2.0;
  cout<<fixed;
  cout<<setprecision(11)<<m<<" ";
  if(x==w/2&&y==h/2){
    cout<<1<<endl;}
  else{
    cout<<0<<endl;}
  
  
  
 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'setprecision' was not declared in this scope
   11 |   cout<<setprecision(11)<<m<<" ";
      |         ^~~~~~~~~~~~
a.cc:3:1: note: 'std::setprecision' is defined in header '<iomanip>'; this is probably fixable by adding '#include <iomanip>'
    2 | #include <algorithm>
  +++ |+#include <iomanip>
    3 | using namespace std;
Language: C++

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


int main(){
  ll w,h,x,y;
 cin>>w>>h>>x>>y;
  long double m=(long double)w*(long double)h/2.0;
  cout<<fixed;
  cout<<setprecision(12)<<m<<" ";
  if(x==w/2&&y==h/2){
    cout<<1<<endl;}
  else{
    cout<<0<<endl;}
  
  
  
 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'll' was not declared in this scope
    7 |   ll w,h,x,y;
      |   ^~
a.cc:8:7: error: 'w' was not declared in this scope
    8 |  cin>>w>>h>>x>>y;
      |       ^
a.cc:8:10: error: 'h' was not declared in this scope
    8 |  cin>>w>>h>>x>>y;
      |          ^
a.cc:8:13: error: 'x' was not declared in this scope
    8 |  cin>>w>>h>>x>>y;
      |             ^
a.cc:8:16: error: 'y' was not declared in this scope
    8 |  cin>>w>>h>>x>>y;
      |                ^
a.cc:11:9: error: 'setprecision' was not declared in this scope
   11 |   cout<<setprecision(12)<<m<<" ";
      |         ^~~~~~~~~~~~
a.cc:3:1: note: 'std::setprecision' is defined in header '<iomanip>'; this is probably fixable by adding '#include <iomanip>'
    2 | #include <algorithm>
  +++ |+#include <iomanip>
    3 | using namespace std;
Language: C

#include<stdio.h>

int main(){
    int W, H;
    double x, y;
    int i, j, k;
    double surfW, surfH;
    double surfmin;
    int sum=0;

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

    printf("%lf ", double(W)*double(H)/2.0);
    if(x+x==W && y+y==H){
        printf("1");
    }else{
        printf("0");
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:20: error: expected expression before 'double'
   13 |     printf("%lf ", double(W)*double(H)/2.0);
      |                    ^~~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
const bool debug=false;
#define DEBUG if(debug==true)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
ll W,H,x,y;
int main(void) {
    cin >> W >> H >> x >> y;
    // if(W%2==1&&H%2==1){
    //     cout << W*H/2 << ".5" << " ";
    // }
    else cout << W*H/2 << " ";
    double res = double((int(W)))*double(int(H))/2;
    DEBUG{printf("%lf\n", double((int(W)))*double(int(H))/2);}

    cout <<res << " ";
    if(abs(W-x*2)==0&&abs(H-y*2)==0)cout << "1" << endl;
    else cout << "0" << endl;
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'else' without a previous 'if'
   14 |     else cout << W*H/2 << " ";
      |     ^~~~
Language: C++

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

int main()
{
    long long int W, H, x, y;
    cin >> W >> H >> x >> y;

    if (x == W / 2 && y == H / 2)
    {
        printf("%lf 1\n", double(W) * double(H) / 2;);
    }
    else
    {
        printf("%lf 0\n", double(W) * double(H) / 2;);
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:52: error: expected ')' before ';' token
   11 |         printf("%lf 1\n", double(W) * double(H) / 2;);
      |               ~                                    ^
      |                                                    )
a.cc:11:53: error: expected primary-expression before ')' token
   11 |         printf("%lf 1\n", double(W) * double(H) / 2;);
      |                                                     ^
a.cc:15:52: error: expected ')' before ';' token
   15 |         printf("%lf 0\n", double(W) * double(H) / 2;);
      |               ~                                    ^
      |                                                    )
a.cc:15:53: error: expected primary-expression before ')' token
   15 |         printf("%lf 0\n", double(W) * double(H) / 2;);
      |                                                     ^
Language: C++

#include <iostream>
#include <cmath>


static const double EPS = 1e-9;
using namespace std;

class Vector {
private:

public:
  double x, y;
  Vector():x(0), y(0){}; //Default constructor
  //Constructor
  Vector(double x_, double y_) {
    this->x = x_;
    this->y = y_;
  }
};


int main(){
  int w, h, x, y;
  cin >> w >> h >> x >> y;
  double W = double(w);
  double h = double(h);
  Vector p(x, y);
  Vector cent(W/2.0, H/2.0);

  double max_area = (W * H) / 2;
  int has_other = 0;

  if ((fabs(cent.x - p.x) < EPS) && (fabs(cent.y - p.y) < EPS)) {
    has_other = 1;
  }

  cout << max_area << " " << has_other << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:10: error: conflicting declaration 'double h'
   26 |   double h = double(h);
      |          ^
a.cc:23:10: note: previous declaration as 'int h'
   23 |   int w, h, x, y;
      |          ^
a.cc:28:22: error: 'H' was not declared in this scope
   28 |   Vector cent(W/2.0, H/2.0);
      |                      ^
Language: C++

#include <iostream>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <string>
#include <vector>
#include <utility>
using namespace std;

int main()
{
    double w, h, x, y, xk, yk, ansx, ansy, ans;
    cin >> w >> h >> x >> y;

    cout << double(w) * double(h) / 2 << " ";

    if(w == x + x　&& h == y + y){
        cout << 1;
    }
    else{
        cout << 0;
    }
    
    return 0;
}

Compiler output:
a.cc:17:17: error: extended character 　 is not valid in an identifier
   17 |     if(w == x + x　&& h == y + y){
      |                 ^
a.cc: In function 'int main()':
a.cc:17:17: error: 'x\U00003000' was not declared in this scope
   17 |     if(w == x + x　&& h == y + y){
      |                 ^~~
Language: Java

import java.util.Scanner;

public class Main2 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		double w = sc.nextInt();
		double h = sc.nextInt();
		double x = sc.nextInt();
		double y = sc.nextInt();
		double S1 = 0, S2 = 0;
		if (x <= w / 2) {
			S1 = (x * h);
		} else {
			S1 = ((w - x) * h);
		}
		if (y <= h / 2) {
			S2 = (y * w);
		} else {
			S2 = ((h - y) * w);
		}
		if (S1 <= S2)
			System.out.printf("%f ", S2);
		else
			System.out.printf("%f ", S1);
		if (S1 == S2)
			System.out.println(1);
		else
			System.out.println(0);
	}
}


Compiler output:
Main.java:3: error: class Main2 is public, should be declared in a file named Main2.java
public class Main2 {
       ^
1 error
Language: C++

/*
　　こんにちは。あたしはｶｳｶﾞｰﾙ。
　　redcoderになるためAtCoderを巡る旅をしてます。

　　　 　 ＿_
　　　 ヽ|＿_|ノ　　　　ﾓｫ
　　　　||‘‐‘||ﾚ　　_)_, ―‐ 、
　　　　/(Ｙ (ヽ＿ /・ ヽ　　 ￣ヽ
　　　　∠ ＿ ゝ　 ｀^ヽ ﾉ.::::_(ノヽ
　　　　 _/ヽ　 　　  /ヽ￣￣/ヽ
*/

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define dump(x)  cout << #x << " = " << (x) << endl
#define YES(n) cout << ((n) ? "YES" : "NO"  ) << endl
#define Yes(n) cout << ((n) ? "Yes" : "No"  ) << endl
#define POSSIBLE(n) cout << ((n) ? "POSSIBLE" : "IMPOSSIBLE"  ) << endl
#define Possible(n) cout << ((n) ? "Possible" : "Impossible"  ) << endl

#define rep(i, n) REP(i, 0, n)                              // 0, 1, ..., n-1
#define REP(i, x, n) for(int i = x; i < n; i++)             // x, x + 1, ..., n-1
#define FOREACH(x,a) for(auto& (x) : (a) )

#define ALL(v) (v).begin() , (v).end()
#define RALL(v) (v).rbegin(), (v).rend()

#define COUT(x) cout << (x) << endl

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

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

    ll w, h, x, y; cin >> w >> h >> x >> y;
    printf("%lf %d\n", double(a)*double(b) / 2, x + x == a && y + y == b);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:31: error: 'a' was not declared in this scope
   39 |     printf("%lf %d\n", double(a)*double(b) / 2, x + x == a && y + y == b);
      |                               ^
a.cc:39:41: error: 'b' was not declared in this scope
   39 |     printf("%lf %d\n", double(a)*double(b) / 2, x + x == a && y + y == b);
      |                                         ^
Language: C

#include<stdio.h>

int main(){
	long int W,H,X,Y;
  int b;
  scanf("%ld %ld %ld %ld",&W,&H,&X,&Y);
  if(X*2==W && Y*2==H)b=1;
  else b=0;
	
  printf("%lf %d\n",double(W)*double(H)/2,b);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:21: error: expected expression before 'double'
   10 |   printf("%lf %d\n",double(W)*double(H)/2,b);
      |                     ^~~~~~
Language: C

int main(){
	long int W,H,X,Y;
  int b;
  scanf("%ld %ld %ld %ld",&W,&H,&X,&Y);
  if(X*2==W && Y*2==H)b=1;
  else b=0;
	
  printf("%lf %d",double(W)*double(H)/2,b);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    4 |   scanf("%ld %ld %ld %ld",&W,&H,&X,&Y);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:4:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    4 |   scanf("%ld %ld %ld %ld",&W,&H,&X,&Y);
      |   ^~~~~
main.c:4:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:8:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    8 |   printf("%lf %d",double(W)*double(H)/2,b);
      |   ^~~~~~
main.c:8:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:8:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:8:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:8:19: error: expected expression before 'double'
    8 |   printf("%lf %d",double(W)*double(H)/2,b);
      |                   ^~~~~~
Language: C++

//#include <bits/stdc++.h>
#include <iostream>
#include <complex>
#include <sstream>
#include <string>
#include <algorithm>
#include <deque>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <vector>
#include <set>
#include <limits>
#include <cstdio>
#include <cctype>
#include <cmath>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <climits>
#include <iomanip>
#include <stack>
#include <bitset>

#define REP(i, n) for(int i = 0; i < (int)(n); i++)
#define FOR(i, j, k) for(int i = (int)(j); i < (int)(k); ++i)
#define ROF(i, j, k) for(int i = (int)(j); i >= (int)(k); --i)
#define FORLL(i, n, m) for(long long i = n; i < (long long)(m); i++)
#define SORT(v, n) sort(v, v+n)
#define REVERSE(v) reverse((v).begin(), (v).end())

using namespace std;
using ll = long long;
const ll MOD=1000000007LL;
typedef pair<int, int> P;

ll ADD(ll x, ll y) { return (x+y) % MOD; }
ll SUB(ll x, ll y) { return (x-y+MOD) % MOD; }
ll MUL(ll x, ll y) { return x*y % MOD; }
ll POW(ll x, ll e) { ll v=1; for(; e; x=MUL(x,x), e>>=1) if (e&1) v = MUL(v,x); return v; }
ll DIV(ll x, ll y) { /*assert(y%MOD!=0);*/ return MUL(x, POW(y, MOD-2)); }

template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}return 0;}

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

  ll w, h, x, y;
  cin >> w >> h >> x >> y;
  
  cout << fixed << setprecision(20);
  cout << double(a) * double(b) /2 << " " << (x+x == w && y+y == h) << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:56:18: error: 'a' was not declared in this scope
   56 |   cout << double(a) * double(b) /2 << " " << (x+x == w && y+y == h) << endl;
      |                  ^
a.cc:56:30: error: 'b' was not declared in this scope
   56 |   cout << double(a) * double(b) /2 << " " << (x+x == w && y+y == h) << endl;
      |                              ^
Language: C++

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

int main(){
	int w,h;
	cin>>w>>h;
	
	int x,y;
	cin>>x>>y;
	
	printf("%f %d\n",(double)w*h/2,2*x==w&&2*y==h);
}解説参考.


Compiler output:
a.cc:12:2: error: '\U000089e3\U00008aac\U000053c2\U00008003' does not name a type
   12 | }解説参考.
      |  ^~~~~~~~
Language: C

#include<stdio.h>

int main(){
	long int W,H,X,Y;
    double a;
  int b;
  scanf("%ld %ld %ld %ld",&W,&H,&X,&Y);
  if(X*2==W && Y*2==H)b=1;
  else b=0;
	a=double(W)*double(H)/2;
  printf("%lf %d",a,b);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:11: error: expected expression before 'double'
   10 |         a=double(W)*double(H)/2;
      |           ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main() {
  double W, H, x, y;
  cin >> W >> H >> x >> y;
  
  double S = W * H;
  cout << S / 2.0 << endl;
  
  if(W % 2 == 0 && H % 2 == 0 && x == W / 2 && y == H / 2) {
    cout << 1 << endl;
  }
  else {
    cout << 0 << endl;
  }
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   11 |   if(W % 2 == 0 && H % 2 == 0 && x == W / 2 && y == H / 2) {
      |      ~ ^ ~
      |      |   |
      |      |   int
      |      double
a.cc:11:22: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   11 |   if(W % 2 == 0 && H % 2 == 0 && x == W / 2 && y == H / 2) {
      |                    ~ ^ ~
      |                    |   |
      |                    |   int
      |                    double
Language: C++

#include <stdio.h>
#include <math.h>

int main(){
    int W,H,x,y;
    scanf("%d %d %d %d",&W,&H,&x,&y);
    double S =W*H/2;
    printf("%lf ",S);
    double hW=W/2;
    double hH=H/2;
    if((x==hw)&&(y=hH)){
        printf("%d",1);
    }else{
        printf("%d",0);
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: 'hw' was not declared in this scope; did you mean 'hW'?
   11 |     if((x==hw)&&(y=hH)){
      |            ^~
      |            hW
Language: C++

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

int main(){
  long long W, H, x, y;
  cin >> W >> H >> x >> y;

  // 長方形を均等に分割する方法は必ずあるはずなので、面積については半分の面積を返せば良い
  // (x, y) が長方形の中心の場合、分割する方法が複数存在するそれ以外で分割する方法が複数あるかどうか
  // if (W % 2 == 0 || H % 2 ==0){
  //   // 面積は整数
  //   long long ans = W * H / 2;
  //   if ((x == W / 2) && (y == H / 2)){
  //     printf("%lld %c", ans, '1');
  //     // cout << ans << " " << '1' << endl;
  //   } else{
  //     printf("%lld %c", ans, '0');
  //     // cout << ans << " " << '0' << endl;
  //   }
  // } else{
  //   long double ans = (long double)W * (long double)H / 2.0L;
  //   printf("%.1Lf %c", ans, '0');
  //   // cout << ans << " " << '0' << endl;
  // }
  printf("%lf %d", double(a)*double(b) / 2.0, x + x == a && y + y == b);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:27: error: 'a' was not declared in this scope
   25 |   printf("%lf %d", double(a)*double(b) / 2.0, x + x == a && y + y == b);
      |                           ^
a.cc:25:37: error: 'b' was not declared in this scope
   25 |   printf("%lf %d", double(a)*double(b) / 2.0, x + x == a && y + y == b);
      |                                     ^
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for (int i = 0; i < n; i++) //for文マクロ
using namespace std;

typedef unsigned long ul;
typedef long long ll;
typedef pair<ul, ul> P; //ペア　タイプでふ

int main()
{

    int W, H = 0;
    int x, y = 0;
    cin >> W >> H;
    cin >> x >> y;

    if (W % 2 == 0 && H % 2 == 0)
    {
        if (x == W / 2 && Y == H / 2)
        {
            cout << W * H / 2 << " " << 1;
        }
        else
        {
            cout << W * H / 2 << " " << 0;
        }
    }
    else
    {
        cout << W * H / 2 << " " << 0;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:27: error: 'Y' was not declared in this scope
   19 |         if (x == W / 2 && Y == H / 2)
      |                           ^
Language: Java

import java.util.*;
public class Main {

  public static void main (String[] args) {
	
    Scanner sc = new Scanner(System.in);
    int W = sc.nextInt();
    int H = sc.nextInt();
    int x = sc.nextInt();
    int y = sc.nextInt();
    sc.close();

    int check = 0;
    int a = 0;
    int b = 0;
    int m1 = 0;
    int c = 0;
    int d = 0;
    int m2 = 0;

    a = x * H;
    b = W * H - a;
    if (a < b){
      m1 = a;
    } else {
      m1 = b;
    }
    
    c = y * W;
    d = W * H - c;
    if (c < d){
      m2 = c;
    } else {
      m2 = d;
    }

    if (m1 < m2){
      if (c == d){
        check = 1;
      }
      System.out.println(m2 + " " + check);
    } else {
      if (a == b){
        check = 1;
      }
      System.out.println(m1 + " " + check);
    }

  }

Compiler output:
Main.java:49: error: reached end of file while parsing
  }
   ^
1 error
Language: C++

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

//repetition
#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)

//container util
#define all(x) (x).begin(),(x).end()

//typedef
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VLL;
typedef vector<VLL> VVLL;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;

//const value
//const ll MOD = 1e9 + 7;
//const int dx[] = {0,1,0,-1};//{0,0,1,1,1,-1,-1,-1};
//const int dy[] = {1,0,-1,0};//{1,-1,0,1,-1,0,1,-1};

//conversion
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
inline ll toLL(string s) {ll v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}


int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  double w,h,x,y;
  cin >> w >> h;
  cin >> x >> y;


  printf("%0.9lf",h*w/2.0);
  if((int)h % 2 == y && w % 2 == 0){
    if(h/2 == y && w/2 == x){
      printf("%0.9lf 1",h*w/2.0);
      return 0;
    }
  }
  printf("%0.9lf 0",h*w/2.0);
  return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:41:27: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   41 |   if((int)h % 2 == y && w % 2 == 0){
      |                         ~ ^ ~
      |                         |   |
      |                         |   int
      |                         double
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <utility>
#include <stack>
#include <queue>
#include <list>
#include <iterator>
#include <cmath>
#include <cstdio>

using namespace std;

int main() {
	int w, h, x, y; cin >> w >> h >> x >> y;
	double area = (( double) w * ( double) h) / 2;
	int flag = 0;
	if (w * y == h * x || w * y == -h * x + w * h || w == 2 * x || h == 2 * y) {
		if (w == 2 * x && h == 2 * y) flag = 1;
	printf("%.8f %d\n", area, flag);

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:2: error: expected '}' at end of input
   24 | }
      |  ^
a.cc:15:12: note: to match this '{'
   15 | int main() {
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn=2e5+10;
int a[maxn];
int main()
{
   double x,y,z,w;
     cin>>x>>y>>z>>w;
     printf("%.6f ",(double)(x*y)/2);
     if(z==x/&&w==y)
        cout<<1<<endl;
     else
        cout<<0<<endl;


    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: invalid operands of types 'double' and 'void*' to binary 'operator/'
   11 |      if(z==x/&&w==y)
      |            ~^~~~
      |            | |
      |            | void*
      |            double
a.cc:11:16: error: label 'w' used but not defined
   11 |      if(z==x/&&w==y)
      |                ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
    int w, h, x, y, s, a=0;
    cin >> w >> h >> x >> y;
    if(w-x==x && h-y==y){a = 1}
    s = w*h/2
    cout << s << a << "\n";
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:31: error: expected ';' before '}' token
    7 |     if(w-x==x && h-y==y){a = 1}
      |                               ^
      |                               ;
a.cc:8:14: error: expected ';' before 'cout'
    8 |     s = w*h/2
      |              ^
      |              ;
    9 |     cout << s << a << "\n";
      |     ~~~~
Language: C++

#include<bits/stdc++.h>
#include<stack>
#include<vector>
#include<string>
#define int long long
using namespace std;
main()
{
	//freopen("input.txt","rt",stdin);
	int w,h,x,y;
	cin>>w>>h>>x>>y;
	double mx =0;
	double f = w * h;
	double p = w * x;
	int f =0;
	if(f-p <= p)
	{
		mx = max(p,mx);
	}
	double q = w * y;
		if(f-q <= p)
	{
		mx = max(q,mx);
	}
	double l = h * x;
		if(f-l <= p)
	{
		mx = max(l,mx);
	}
	double r = h * y;
		if(f-r <= p)
	{
		mx = max(r,mx);
	}
	if(mx == r || mx == q || mx == l || mx == p)
	{
		cout<<fixed<<setprecision(7)<<mx<<" "<<"1"<<endl;
	}
	else
	{
		cout<<fixed<<setprecision(7)<<mx<<" "<<"0"<<endl;
	}
}

Compiler output:
a.cc:7:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    7 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:15:13: error: conflicting declaration 'long long int f'
   15 |         int f =0;
      |             ^
a.cc:13:16: note: previous declaration as 'double f'
   13 |         double f = w * h;
      |                ^
Language: C++

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

int main() {

	int W, H, x, y;
	cin >> W >> H >> x >> y;

	int is_multiple = 0;
	if (W == x * 2 && H == y * 2) {
		is_multiple = 1;
	}

	printf_s("%f %d", float(W * H / 2), is_multiple);

}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'printf_s' was not declared in this scope; did you mean 'printf'?
   15 |         printf_s("%f %d", float(W * H / 2), is_multiple);
      |         ^~~~~~~~
      |         printf
Language: Java

import java.util.Scanner;

//AtCoder Beginner Contest 130
//C	Rectangle Cutting
public class Main40 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long W = sc.nextLong();
		long H = sc.nextLong();
		long x = sc.nextLong();
		long y = sc.nextLong();
		sc.close();

		double ans = W*H/2;

		double bx = W /2;
		double by = H /2;

		int ans2 = 0;
		if (x == bx && y == by) {
			ans2 = 1;
		}

		System.out.println(ans + " " + ans2);
	}
}


Compiler output:
Main.java:5: error: class Main40 is public, should be declared in a file named Main40.java
public class Main40 {
       ^
1 error
Language: C

#include<stdio.h>
int main(){
    int w,h,x,y,r=0;s,sx,sy;
    double s;
    scanf("%d%d%d%d",&w,&h,&x,&y);
    s=(double)w*h/2;
    if(1.0*x/w==0.5&&1.0*y/h==0.5)r=1;
    printf("%lf %d",s,r);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:3:21: error: 's' undeclared (first use in this function)
    3 |     int w,h,x,y,r=0;s,sx,sy;
      |                     ^
main.c:3:21: note: each undeclared identifier is reported only once for each function it appears in
main.c:3:23: error: 'sx' undeclared (first use in this function); did you mean 'x'?
    3 |     int w,h,x,y,r=0;s,sx,sy;
      |                       ^~
      |                       x
main.c:3:26: error: 'sy' undeclared (first use in this function); did you mean 'y'?
    3 |     int w,h,x,y,r=0;s,sx,sy;
      |                          ^~
      |                          y
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <utility>
#include <stack>
#include <queue>
#include <list>
#include <iterator>
#include <cmath>
#include <cstdio>

using namespace std;

int main() {
	int w, h, x, y; cin >> w >> h >> x >> y;
	double area = (( double) w * ( double) h / 2;
	int flag = 0;
	if (w * y == h * x || w * y == -h * x + w * h || w == 2 * x || h == 2 * y) {
		if (w == 2 * x && h == 2 * y) flag = 1;
	printf("%.8f %d\n", area, flag);

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:53: error: expected ')' before ';' token
   17 |         double area = (( double) w * ( double) h / 2;
      |                       ~                             ^
      |                                                     )
a.cc:24:2: error: expected '}' at end of input
   24 | }
      |  ^
a.cc:15:12: note: to match this '{'
   15 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  long w,h,x,y,a,b,c,d,ans,e,f,cou;
  cin>>w>>h>>x>>y;
  
  e=h*min(x,w-x);
  f=w*min(y,h-y);
  if(e==0){
    e=h*max(x,w-x)}
  if(f==0;){ f=w*max(y,h-y);}
    
  cout<<e<<" "<<f<<endl;
  cout<<max(e,f)<<" ";
  if(e==f){
    cou=1;
  }
  else{
    cou=0;
  }
  cout<<cou;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:19: error: expected ';' before '}' token
   11 |     e=h*max(x,w-x)}
      |                   ^
      |                   ;
a.cc:12:11: error: expected primary-expression before ')' token
   12 |   if(f==0;){ f=w*max(y,h-y);}
      |           ^
Language: C++

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

int main() {

	int W, H, x, y;
	cin >> W >> H >> x >> y;

	int is_multiple = 0;
	if (W == x * 2 && H == y * 2) {
		is_multiple = 1;
	}

	printf_s("%f %d", W * H / 2, is_multiple);

}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'printf_s' was not declared in this scope; did you mean 'printf'?
   15 |         printf_s("%f %d", W * H / 2, is_multiple);
      |         ^~~~~~~~
      |         printf
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define REP(i,n) for(long long i=0;i<n;i++)
#define REP1(i,n) for(long long i=1;i<=n;i++)
#define PER(i,n) for(long long i=((n)-1);i>=0;i--)
#define PER1(i,n) for(long long i=(n);i>0;i--)
#define FOR(i,a,b) for(long long i=(a);i<(b);i++)
#define FORE(i,a,b) for(long long i=(a);i<=(b);i++)
#define ITE(arr) for(auto ite=(arr).begin();ite!=(arr).end();ite++)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
#define YNPRT(b) cout<<((b)?"Yes":"No")<<endl
#define REV(arr) reverse(ALL(arr))
#define PRT(a) cout<<a<<endl;
#define PRTLST(arr,num) REP(_i,num) cout<<_i<<" - "<<arr[_i]<<endl;
#define PRTLST2(arr2,d1,d2) REP(_i,d1) REP(_j,d2) cout<<_i<<","<<_j<<" : "<<arr2[_i][_j]<<endl;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
const int INF_INT = 2147483647;
const ll INF_LL = 9223372036854775807LL;
const ull INF_ULL = 18446744073709551615Ull;
const ll P = 92540646808111039LL;
const int Move[4][2] = {-1,0,1,0,0,1,0,-1};
const int Move_[8][2] = {-1,-1,-1,0,-1,1,0,-1,0,1,1,-1,1,0,1,1};

//---------------------
#define MAXN 100000
//---------------------

double w,h,x,y;

int main(){
	cin>>w>>h>>x>>y;
	double ret;
	double cur;
	double total=w*h;
	
	cur=w*y;
	ret=min(cur,total-cur);
	
	cur=x*h;
	ret=max(ret,min(cur,total-cur));
	
	if(y>h/w*x){
		cur=x/y*h*h/2;
		ret=max(ret,min(cur,total-cur));
	}else{
		cur=y/x*w*w/2;
		ret=max(ret,min(cur,total-cur));
	}
	
	if(y>h/w*x){
	  	if(h-y!=0){
	  		cur=w*(h-(-x*(w-x)/(h-y)+y))/2;
		ret=max(ret,min(cur,total-cur));
	  	}
		
	}else{
		cur=(w-(x-y*(h-y)/(w-x)))*h/2;
		ret=max(ret,min(cur,total-cur));
	}
	
	if(y-h!=0 && x!=0){
	  double k=(y-h)/x;
	if(y>-h/w*x+h){
		cur=w*(w-(k*(w-x)+y))/2;
		ret=max(ret,min(cur,total-cur));
	}else{
		cur=h*(x-y/k)/2;
		ret=max(ret,min(cur,total-cur));
	}
	}
	if(y!=0 && x-w!=0){
	  k=y/(x-w);
	if(y>-h/w*x+h){
		cur=h*(w-(1))/2;
		ret=max(ret,min(cur,total-cur));
	}else{
		cur=y/x*w*w/2;
		ret=max(ret,min(cur,total-cur));
	}
	}
	
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:76:11: error: 'k' was not declared in this scope
   76 |           k=y/(x-w);
      |           ^
Language: C++

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

#define REP(i,n) for(ll i = 0;i < n;++i)
#define PB(s) push_back(s)
#define ST(n) sort(n.begin(),n.end())

using namespace std;
typedef long long ll;



int main(){
  ll W,H,x,y;
  cin >> W >> H >> x >> y;
  int multi = 0;
  if(x==0)x=W;
  if(y==0)y=H;
  double zoom = (double)W/x;
  if(W/2.0 == x && H/2.0 == y)
      cout << W*H/2.0 << " " << 1 << endl;
  else{
      ll zp =(zoom*x)*(zoom*y));
      if(zp == W*H)
        multi=1;
      ll Wmin = min((W-x)*H,x*H);
      ll Hmin = min((H-y)*W,y*W);
      ll minmin = max(Hmin,Wmin);
      ll p = (W*H/2.0);
      if(multi==1)minmin=max(minmin,p);
      cout<< minmin << " " << 0 << endl;
    }
}



Compiler output:
a.cc: In function 'int main()':
a.cc:23:31: error: expected ',' or ';' before ')' token
   23 |       ll zp =(zoom*x)*(zoom*y));
      |                               ^
Language: C++

#include<iostream>
#include<string>
#include<map>
#include<algorithm>
#include<vector>
#include<iomanip>
using namespace std;

int main() {
	int W, H, x, y;
	cin >> W >> H >> x >> y;
	double S = double(W * H) / 2;
    double HX, HY;
	HX = W / 2;
	HY = H / 2;
    double A = sqrt(W);
    if((H==W)&&(x==y)&& !(x == HX && y == HY)){
      cout << fixed << setprecision(11) << S*A<< ' ';
    }else{
      cout << fixed << setprecision(11) << S << ' ';
    }
    int o1, o2;
    o1 = W % 2;
    o2 = H % 2;
	if ((o1 == 0 && o2 == 0) && (x == HX && y == HY)) {
	    cout << 1 << endl;
    }
	else {
		cout << 0 << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: 'sqrt' was not declared in this scope
   16 |     double A = sqrt(W);
      |                ^~~~