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

import java.util.Scanner;

public class oceanview {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] hills = new int[n];
        for(int i = 0;i<n;i++) {
            hills[i] = in.nextInt();
        }
        int counter = 1;
        int cur = hills[0];
        for(int i = 1;i<n;i++) {
            if(hills[i]>=cur) {
                counter++;
                cur = hills[i];
            }
        }
        System.out.println(counter);
    }
}


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

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

int main(){
  int a,b;
  cin >> a >> b;
  
  ans = 0;
  
  ans = max(ans,a+a-1);
  ans = max(ans,b+b-1);
  ans = max(ans,a+b);
  
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |   ans = 0;
      |   ^~~
      |   abs
Language: C

#include <stdio.h>

int main(void){
  int a,b;
  scanf("%d %d",&a,&b);
  c=a+a-1;
  d=a+b;
  e=b+b-1;
  printf("%d\n",max(c,d,e));
  return 0;
}

max(int c,int d,int e){
  if(c>=d&&c>=e) return c;
  if(d>c&&d>=e) return d;
  if(e>d&&e>c) return e;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: 'c' undeclared (first use in this function)
    6 |   c=a+a-1;
      |   ^
main.c:6:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:3: error: 'd' undeclared (first use in this function)
    7 |   d=a+b;
      |   ^
main.c:8:3: error: 'e' undeclared (first use in this function)
    8 |   e=b+b-1;
      |   ^
main.c:9:17: error: implicit declaration of function 'max' [-Wimplicit-function-declaration]
    9 |   printf("%d\n",max(c,d,e));
      |                 ^~~
main.c: At top level:
main.c:13:1: error: return type defaults to 'int' [-Wimplicit-int]
   13 | max(int c,int d,int e){
      | ^~~
Language: C++

#include<bits/stdc++.h>
#define ll long long
 
int main(){
	int a,b;
  	cin>>a>>b;
  
  	cout<< max(a+b,max(a+a-1,b+b-1));
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |         cin>>a>>b;
      |         ^~~
      |         std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |         cout<< max(a+b,max(a+a-1,b+b-1));
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:24: error: 'max' was not declared in this scope; did you mean 'std::max'?
    8 |         cout<< max(a+b,max(a+a-1,b+b-1));
      |                        ^~~
      |                        std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:8:16: error: 'max' was not declared in this scope; did you mean 'std::max'?
    8 |         cout<< max(a+b,max(a+a-1,b+b-1));
      |                ^~~
      |                std::max
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#include<bits/stdc++>
#define ll long long

int main(){
	int a,b;
  	cin>>a>>b;
  
  	cout<< max(a+b,max(a+a-1,b+b-1));
}

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;
	int b;
  scanf("%d",&a);
  scanf("%d",&b);
  
  if(a>b+1){
    printf("%d",2*a-1);
  }
  elseif(a=b-1){
  printf("%d",a+b);
  }
  elseif(a=b){
  printf("%d",2*a);
  }
  elseif(a=b-1){
    printf("%d",a+b);
  }
  elseif(a<b-1){
    printf("%d",2*b-1);
  }
 
}

Compiler output:
main.c: In function 'main':
main.c:12:3: error: implicit declaration of function 'elseif' [-Wimplicit-function-declaration]
   12 |   elseif(a=b-1){
      |   ^~~~~~
main.c:12:16: error: expected ';' before '{' token
   12 |   elseif(a=b-1){
      |                ^
      |                ;
Language: C++

#include <stdio.h>

int main(void){
	int a;
	int b;
  scanf("%d",&a);
  scanf("%d",&b);
  
  if(a>b+1){
    printf(2*a-1);
  }
  elseif(a=b-1){
  printf(a+b);
  }
  elseif(a=b){
  printf(2*a);
  }
  elseif(a=b-1){
    printf(a+b);
  }
  elseif(a<b-1){
    printf(2*b-1);
  }

}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   10 |     printf(2*a-1);
      |            ~~~^~
      |               |
      |               int
In file included from a.cc:1:
/usr/include/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
a.cc:12:3: error: 'elseif' was not declared in this scope
   12 |   elseif(a=b-1){
      |   ^~~~~~
Language: C

#include <stdio.h>

#define MIN(a,b) (a<b)?a:b;

int main() {
    int zero_odd = 0, zero_even = 0, one_odd = 0, one_even = 0;
    char str[100001];

    scanf("%s", str);

    for (int i = 0; str[i] != '\0'; i++) {
        if (str[i] == '1') {
            if (i%2 == 0) {one_odd++;}
            else {one_even++;}
        } else {
            if (i%2 == 0) {zero_odd++;}
            else {zero_even++;}
        }
    }

    printf("%d", MIN(zero_odd, zero_even) + MIN(one_odd, one_even));

}

Compiler output:
main.c: In function 'main':
main.c:3:27: error: expected ')' before ';' token
    3 | #define MIN(a,b) (a<b)?a:b;
      |                           ^
main.c:21:18: note: in expansion of macro 'MIN'
   21 |     printf("%d", MIN(zero_odd, zero_even) + MIN(one_odd, one_even));
      |                  ^~~
main.c:21:11: note: to match this '('
   21 |     printf("%d", MIN(zero_odd, zero_even) + MIN(one_odd, one_even));
      |           ^
Language: C++

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

int main() {
  int A, B;
  cin >> A >> B;
  
  cout << max(2*A-1, A+B, 2*B-1) << endl;
}


Compiler output:
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:8:14:   required from here
    8 |   cout << max(2*A-1, A+B, 2*B-1) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
 int a,b;
  cin >> a >> b;
  int mx  = max(a,b);'
    cout<<mx+mx-1<<"\n";
  return 0;
}

Compiler output:
a.cc:6:22: warning: missing terminating ' character
    6 |   int mx  = max(a,b);'
      |                      ^
a.cc:6:22: error: missing terminating ' character
Language: Java

import java.util.*

public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		Scanner sa = new Scanner(System.in);
		int building[] = new int[n-1]; 
		for(int i = 0;i < n ; i++){
			building[i] = sa.nextInt();
		}

		int ans =1;

		for(int j =1;j<n;j++){
			int counter=0;
			for(int k=0;k<j;k++){
				if(building[k] < building[j]){
					counter++;
				}
			}
			if(counter == j){
				ans++;
			}
		}

		System.out.println(ans);

	}
}

Compiler output:
Main.java:1: error: ';' expected
import java.util.*
                  ^
1 error
Language: Java

import java.until.*

public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		Scanner sa = new Scanner(System.in);
		int building[] = new int[n-1]; 
		for(int i = 0;i < n ; i++){
			building[i] = sa.nextInt();
		}

		int ans =1;

		for(int j =1;j<n;j++){
			int counter=0;
			for(int k=0;k<j;k++){
				if(building[k] < building[j]){
					counter++;
				}
			}
			if(counter == j){
				ans++;
			}
		}

		System.out.println(ans);

	}
}


Compiler output:
Main.java:1: error: ';' expected
import java.until.*
                   ^
1 error
Language: Java

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int[] h;
    int k = 1;
    while(sc.hasNext()) {
      h[k] = sc.nextInt();
      k++;
    }
    
    int cnt = 0;
    boolean isGood = true;
    for(int i = 1; i <= h.length; i++) {
	  for (int j = 1; j < i; j++) {
		if (h[j] > h[i]) {
		  isGood = false;
        }
      }
      if (isGood) {
        cnt++;
      }
    }
    System.out.println(cnt);
  }
}

Compiler output:
Main.java:10: error: variable h might not have been initialized
      h[k] = sc.nextInt();
      ^
Main.java:16: error: variable h might not have been initialized
    for(int i = 1; i <= h.length; i++) {
                        ^
2 errors
Language: Java

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt;
    int[] h;
    int i = 1;
    while(sc.hasNext()) {
      h[i] = sc.nextInt();
      i++;
    }
    
    int cnt = 0;
    boolean isGood = True;
    for(int i = 1; i <= h.length; i++) {
	  for (int j = 1; j < i; j++) {
		if (h[j] > h[i]) {
		  isGood = false;
        }
      }
      if (isGood) {
        cnt++;
      }
    }
    System.out.println(cnt);
  }
}

Compiler output:
Main.java:6: error: cannot find symbol
    int n = sc.nextInt;
              ^
  symbol:   variable nextInt
  location: variable sc of type Scanner
Main.java:15: error: cannot find symbol
    boolean isGood = True;
                     ^
  symbol:   variable True
  location: class Main
Main.java:16: error: variable i is already defined in method main(String[])
    for(int i = 1; i <= h.length; i++) {
            ^
3 errors
Language: Java

import java.util.*;

public class Train1 {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int res = Math.max(a+b, Math.max(2*a-1, 2*b-1));
		System.out.println(res);
	}
}

Compiler output:
Main.java:3: error: class Train1 is public, should be declared in a file named Train1.java
public class Train1 {
       ^
1 error
Language: Java

inport java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < 2; i++) {
      if (a < b) {
        sum += b;
        b++;
      } else {
        sum += a;
        a++;
      }
    }
    System.out.println(sum);
  }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
inport java.util.Scanner;
^
1 error
Language: C++

#include <iostream>
using namespace std;

int main() {
    int A, B; cin >> A >> B;
    cout << max({A*2-1, B*2-1, A+B}) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    6 |     cout << max({A*2-1, B*2-1, A+B}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~
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,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

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

int main(){
  int A,B;
  cin>>A>>B;
  if(A == B) cout <<A+B<<endl;
  else cout << max(A<B)*2-1<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:19: error: no matching function for call to 'max(bool)'
    8 |   else cout << max(A<B)*2-1<<endl;
      |                ~~~^~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
a.cc:8:19: note:   mismatched types 'std::initializer_list<_Tp>' and 'bool'
    8 |   else cout << max(A<B)*2-1<<endl;
      |                ~~~^~~~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 1 provided
Language: C

#include <stdio.h>

int main(void){
  char tile[256];
  int num[256];
  int count = 0, i;
  scanf("%s", tile);
  for(i = 0; tile[i] == '\0'; i++){
    if(tile[i] == '0'){
      num[i] = 0;
    } else if(tile[i] == '1'){
      num[i] = 1;
    } else if(tile[i] == '\0'){
      num[i] = 10;
    } else{
      printf("0");
      return 0;
    }
  }
  i = 0;
  while(num[i] == 10){
    if(num[i-1] == 0 && num[i+1] == 0){
      num[i] = 1;
      count++;
    }
    if(num[i-1] == 1 && num[i+1] == 1){
      num[i] = 0;
      count++;
    }
  }
      
  return 0;
  


Compiler output:
main.c: In function 'main':
main.c:32:3: error: expected declaration or statement at end of input
   32 |   return 0;
      |   ^~~~~~
Language: C++

#include <iostteam>

using namespace std;

int main()
{
  int n,m;
  cin>>n>>m;
  int count = 0,result = 0;
  while(count != 2)
  {
    if(n>=m)
    {
      result+=n;
      n--;
      count++;
    }
    else
    {
      result+=m;
      m--;
      count++;
    }
  }
  cout<<result;
}

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

#include <stdio.h>

int main(void){
  char tile[256];
  int num[256];
  int count = 0, i;
  scanf("%s", tile);
  for(i = 0; tile[i] == '\0'; i++){
    if(tile[i] == '0'){
      num[i] = 0;
    } else if(tile[i] == '1'){
      num[i] = 1;
    } else if(tile[i] == '\0'){
      num[i] = 10;
    } else{
      printf("0");
      return 0;
    }
  }
  i = 0;
  while(num[i] == 10){
    if(num[i-1] == 0 && num[i+1] == 0){
      num[i] = 1;
      count++;
    } else(num[i-1] == 1 && num[i+1] == 1){
      num[i] = 0;
      count++;
    }
  }
      
  return 0;
  


Compiler output:
main.c: In function 'main':
main.c:25:43: error: expected ';' before '{' token
   25 |     } else(num[i-1] == 1 && num[i+1] == 1){
      |                                           ^
      |                                           ;
main.c:31:3: error: expected declaration or statement at end of input
   31 |   return 0;
      |   ^~~~~~
Language: C

#include <stdio.h>

int main(void){
  char tile[256];
  int num[256];
  int count = 0;
  scanf("%s", tile);
  for(int i = 0; tile[i] == '\0'; i++){
    if(tile[i] == '0'){
      num[i] = 0;
    } else if(tile[i] == '1'){
      num[i] = 1;
    } else if(tile[i] == '\0'){
      num[i] = 10;
    } else{
      printf("0");
      return 0;
    }
  }
  i = 0;
  while(num[i] == 10){
    if(num[i-1] == 0 && num[i+1] == 0){
      num[i] = 1;
      count++;
    } else(num[i-1] == 1 && num[i+1] == 1){
      num[i] = 0;
      count++;
    }
  }
      
  return 0;
  


Compiler output:
main.c: In function 'main':
main.c:20:3: error: 'i' undeclared (first use in this function)
   20 |   i = 0;
      |   ^
main.c:20:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:25:43: error: expected ';' before '{' token
   25 |     } else(num[i-1] == 1 && num[i+1] == 1){
      |                                           ^
      |                                           ;
main.c:31:3: error: expected declaration or statement at end of input
   31 |   return 0;
      |   ^~~~~~
Language: C

#include <stdio.h>

int main(void){
  char tile[256];
  int num[256];
  int count = 0;
  scanf("%s", tile);
  for(i = 0; tile[i] == '\0'; i++){
    if(tile[i] == '0'){
      num[i] = 0;
    } else if(tile[i] == '1'){
      num[i] = 1;
    } else if(tile[i] == '\0'){
      num[i] = 10;
    } else{
      printf("0");
      return 0;
    }
  }
  i = 0;
  while(num[i] == 10){
    if(num[i-1] == 0 && num[i+1] == 0){
      num[i] = 1;
      count++;
    } else(num[i-1] == 1 && num[i+1] == 1){
      num[i] = 0;
      count++;
    }
  }
      
  return 0;
  


Compiler output:
main.c: In function 'main':
main.c:8:7: error: 'i' undeclared (first use in this function)
    8 |   for(i = 0; tile[i] == '\0'; i++){
      |       ^
main.c:8:7: note: each undeclared identifier is reported only once for each function it appears in
main.c:25:43: error: expected ';' before '{' token
   25 |     } else(num[i-1] == 1 && num[i+1] == 1){
      |                                           ^
      |                                           ;
main.c:31:3: error: expected declaration or statement at end of input
   31 |   return 0;
      |   ^~~~~~
Language: C++

#include <iostream>
using namespace std;

int main(){
  int A,B,X=0;
 cin >> A >> B;
  for (int i=0; i=2;i++){
    if (A>=B){
      X = X + A;
        A -= 1;
    }
    else{
      X = X + B;
        B -= 1;
    }
}



Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C

#include <stdio.h>

int main(void){
  int a,b;
  int coin = 0;
  scanf("%d %d", &a, &b);
  for(int i=1; i <= 2; i++){
    if(a > b){
      coin = coin + a;
      a--;
    } else if(b > a){
      coin = coin + b;
      b--;
    } else {
      coin = coin + a;
      a--
    }
  }
  printf("%d", coin);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:16:10: error: expected ';' before '}' token
   16 |       a--
      |          ^
      |          ;
   17 |     }
      |     ~
Language: C++

#include<stdio.h>
int a, b;
int sum1,sum2,sum3,sum4,sum5;
int max=0;
int main(){
     scanf("%d %d",&a,&b);
      sum1= a+(a-1);
       sum 2=b+(b-1);
  sum3=a+b; 
  if(max<sum1) max=sum1;
  if(max<sum2) max=sum2;
  if(max<sum3) max=sum3;
  printf("%d\n",max);
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: 'sum' was not declared in this scope; did you mean 'sum5'?
    8 |        sum 2=b+(b-1);
      |        ^~~
      |        sum5
Language: C++

#include<stdio.h>
int a, b;
int sum1,sum2,sum3,sum4,,sum5;
int max=0;
int main(){
     scanf("%d %d",&a,&b);
      sum1= a+(a-1);
       sum2=b+(b-1);
  sum3=a+b; 
  if(max<sum1) max=sum1;
  if(max<sum2) max=sum2;
  if(max<sum3) max=sum3;
  printf("%d\n",max);
  }

Compiler output:
a.cc:3:25: error: expected unqualified-id before ',' token
    3 | int sum1,sum2,sum3,sum4,,sum5;
      |                         ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define fs first
#define sc second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define ALL(A) A.begin(),A.end()
#define RALL(A) A.rbegin(),A.rend()
typedef long long LL;
typedef pair<LL,LL> P;
const LL mod=1e9+7;
const LL LINF=1LL<<62;




int main(){
    int a,b;cin >> a >> b;
    if(a==b) cout << 2*a << endl;
    else cout << max(a,b)2* - 1 << endl;
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:21:26: error: expected ';' before numeric constant
   21 |     else cout << max(a,b)2* - 1 << endl;
      |                          ^
      |                          ;
Language: C++

int main(){
  int a, b;
  cin >> a >> b;
  int n1 = a>b? a : b;
  int n2 = a>b? (a-1 > b? a-1:b) : (a > b-1? a : b-1);
  cout << n1 + n2;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> a >> b;
      |   ^~~
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout << n1 + n2;
      |   ^~~~
Language: C++

int main(){
  int a, b;
  cin >> a >> b;
  int n1 = a>b? a : b;
  int n2 = a>b? (a-1 > b? a-1:b) : (a > b-1? a : b-1);
  cout << n1 + n2;

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> a >> b;
      |   ^~~
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout << n1 + n2;
      |   ^~~~
a.cc:6:19: error: expected '}' at end of input
    6 |   cout << n1 + n2;
      |                   ^
a.cc:1:11: note: to match this '{'
    1 | int main(){
      |           ^
Language: C++

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

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

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

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;

int main()
{
    ll n, k;
    string str;
    cin >> n >> k >> str;
    vector<ll> ary;
    if (str[0] == '0') ary.push_back(0);
    ll prev = -1, idx = -1;
    for (ll i = 0; (i < n); i++) {
        ll curr = str[i];
        if (prev != curr) {
            prev = curr;
            idx++;
            ary.push_back(1);
        } else {
            ary[idx]++;
        }
    }
    if (str[n-1] == '0') ary.push_back(0);
    vector<ll> sum(ary.size()+1, 0);
    for (ll i = 0; (i < ary.size()); ++i) {
        sum[i+1] = sum[i] + ary[i];
    }
  	int Add = 2 * K + 1;
 	int ans = 0;
	//1-0-1...の1から始めるので、偶数番目だけ見る
	for (int i = 0; i < ary.size(); i += 2)
	{
		//次のleft, rightを計算する [left, right)
		int left = i;
		int right = min(i + Add, (int)ary.size());
		int tmp = sum[right] - sum[left];
 
		ans = max(tmp, ans);
	}
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:23: error: 'K' was not declared in this scope
   30 |         int Add = 2 * K + 1;
      |                       ^
Language: Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scan = new Scanner(System.in);

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A;
		int B;

		A = Integer.parseInt(AryStr[0]);
		B = Integer.parseInt(AryStr[1]);

		if (A < B) {
			A = B;
        } else if (A > B)
			A = B;
    	}
  
      	B--;
        System.out.println(A + B);
	}
}


Compiler output:
Main.java:24: error: <identifier> expected
      	B--;
      	 ^
Main.java:25: error: <identifier> expected
        System.out.println(A + B);
                          ^
Main.java:25: error: <identifier> expected
        System.out.println(A + B);
                            ^
Main.java:27: error: class, interface, enum, or record expected
}
^
4 errors
Language: C++

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

int main()
{
	int A;
	int B;

	cin >> A >> B;

	int max;

	max = Math.max(2 * A - 1, 2 * B - 1);

	max = Math.max(max, A + B);

	cout << max << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:15: error: 'Math' was not declared in this scope
   13 |         max = Math.max(2 * A - 1, 2 * B - 1);
      |               ^~~~
Language: C++

#include<cstdio>

using namespace std;

int main(){
    int a,b,c,d,e;
    scanf( "%d %d\n", &a, &b );
    c = 2 * a - 1;
    d = 2 * b - 1;
    e = a + b;   
    if( c > d && c > e ){
        printf( "%d\n", c );
    }
    if( d > c && d > e ){
        printf( "%d\n", d );
    } 
    if( e > c && e > d ){
        printf8 "%d\n", e );
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:9: error: 'printf8' was not declared in this scope; did you mean 'printf'?
   18 |         printf8 "%d\n", e );
      |         ^~~~~~~
      |         printf
Language: C++

A, B = gets.chomp.split(' ').map{|x| x.to_i}
ans = [(A+A-1), (A + B), (B + B - 1)].max
p ans



Compiler output:
a.cc:1:1: error: 'A' does not name a type
    1 | A, B = gets.chomp.split(' ').map{|x| x.to_i}
      | ^
a.cc:2:1: error: 'ans' does not name a type
    2 | ans = [(A+A-1), (A + B), (B + B - 1)].max
      | ^~~
Language: C

#include <stdio.h>
#include <stdint.h>

#define STR_MAX    (100000)

#define FAST_TRIAL  (1)

int main(void)
{
    uint64_t n;
    uint64_t k;
    char s[STR_MAX+1];

    scanf("%ld %ld", &n, &k);
    scanf("%s", s);

    uint64_t ptr = 0;
    char curC;
    char nxtC;

    uint64_t serialNum[STR_MAX+2];
    uint64_t indx   = 0;
    uint64_t head1  = 0;
    uint64_t max    = 0;
    uint64_t cntK   = 0;
    uint64_t curSum = 0;

    curC = s[ptr++];
    /* serialNumは 1 の数 -> 0の数としたいので0ならindxを送る */
    if ( curC == '0' ) {
        indx++;
    }

#ifdef FAST_TRIAL
    while ( (curC != '\0') && (cntK < k) ) {
        /* nxtCを得る */
        nxtC = s[ptr++];

        serialNum[indx]++;

        /* どうやら次は別の文字のようだ */
        if ( curC !=  nxtC ) {
            if ( curC == '0' ) {
                curSum += serialNum[indx++];
                /* 逆立ちできる人たちが増える */
                cntK++;
            }

            /* ここまでで今回のserialNumによるcurSumが決定するので最大値更新 */
            max = ( curSum >= max ) ? curSum : max;
        }

        curC = nxtC;
    }
#endif

    while ( curC != '\0' ) {
        /* nxtCを得る */
        nxtC = s[ptr++];

        serialNum[indx]++;

//        uint64_t dbgIndx = indx;

        /* どうやら次は別の文字のようだ */
        if ( curC !=  nxtC ) {
#ifdef FAST_TRIAL
            if ( curC == '0') {
                curSum += serialNum[indx++];
                curSum -= serialNum[head1++];
            }
#else
            curSum += serialNum[indx++];

            /* 0の連続が終わったときは昔の0を捨てる場合がある */
            if ( curC == '0' ) {
                /* 逆立ちできる人たちが増える */
                cntK++;

                /* 逆立ちできる人たちがK人より多いとき */
                if ( cntK > k ) {
                    /* 
                     * 1Grp -> 0Grp -> 1Grp -> 0Grp ... 1Grp -> NEW 0Grp
                     * となるので先頭の0Grpと1Grp分を引いて, 0Grpのheadを移動させる
                     */
                    curSum -= (serialNum[head1] + serialNum[head1+1]);
                    head1 += 2;
                }
#endif
            }

            /* ここまでで今回のserialNumによるcurSumが決定するので最大値更新 */
            max = ( curSum >= max ) ? curSum : max;
        }

//        printf("%c : cntK=%ld, curSum=%ld, serialNum=%ld, head1=%ld, max=%ld\n", curC, cntK, curSum, serialNum[dbgIndx], head1, max);

        curC = nxtC;
    }

#ifdef FAST_TRIAL
    printf("%ld\n", max+serialNum[indx]);
#else
    printf("%ld\n", max);
#endif

    return 0;
}


Compiler output:
main.c:102:12: error: expected declaration specifiers or '...' before string constant
  102 |     printf("%ld\n", max+serialNum[indx]);
      |            ^~~~~~~
main.c:102:21: error: unknown type name 'max'
  102 |     printf("%ld\n", max+serialNum[indx]);
      |                     ^~~
main.c:107:5: error: expected identifier or '(' before 'return'
  107 |     return 0;
      |     ^~~~~~
main.c:108:1: error: expected identifier or '(' before '}' token
  108 | }
      | ^
Language: C++

#include<algorithm>
#include<iostream>

using namespace std;
int main(int argc, char** argv) {
	int a, b;
  	cin>>a;
  	cin>>b;
  	int ans = 0;
  	ans = max(ans, a + a-1);
  	ans = max(ans, a + b);
  	ans = max(ans, b + b-1);
  	cout << asn << endl;
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:13:17: error: 'asn' was not declared in this scope; did you mean 'ans'?
   13 |         cout << asn << endl;
      |                 ^~~
      |                 ans
Language: C++

#include<algorithm>
#include<iostream>
int main(int argc, char** argv) {
	int a, b;
  	cin>>a;
  	cin>>b;
  	int ans = 0;
  	ans = max(ans, a + a-1);
  	ans = max(ans, a + b);
  	ans = max(ans, b + b-1);
  	cout << asn << endl;
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:5:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |         cin>>a;
      |         ^~~
      |         std::cin
In file included from a.cc:2:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:15: error: 'max' was not declared in this scope; did you mean 'std::max'?
    8 |         ans = max(ans, a + a-1);
      |               ^~~
      |               std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:11:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   11 |         cout << asn << 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:11:17: error: 'asn' was not declared in this scope; did you mean 'ans'?
   11 |         cout << asn << endl;
      |                 ^~~
      |                 ans
a.cc:11:24: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   11 |         cout << asn << 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)
      |     ^~~~
Language: C++

#include<algorithm>
#include<iostream>
int main(argc, **argv) {
	int a, b;
  	cin>>a;
  	cin>>b;
  	int ans = 0;
  	ans = max(ans, a + a-1);
  	ans = max(ans, a + b);
  	ans = max(ans, b + b-1);
  	cout << asn << endl;
}

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main(argc, **argv) {
      |     ^~~~
a.cc:3:10: error: 'argc' was not declared in this scope
    3 | int main(argc, **argv) {
      |          ^~~~
a.cc:3:18: error: 'argv' was not declared in this scope
    3 | int main(argc, **argv) {
      |                  ^~~~
a.cc:3:22: error: expression list treated as compound expression in initializer [-fpermissive]
    3 | int main(argc, **argv) {
      |                      ^
Language: C++

#include<iostream>
using namespace std;
 
int a, b;
 
cin >> a >> b;
 
int p = 0;
 
for(int i=0; i<2; i++) {
  p += a >= b ? a-- : b--;
}
 
cout << p << endl;


Compiler output:
a.cc:6:1: error: 'cin' does not name a type
    6 | cin >> a >> b;
      | ^~~
a.cc:10:1: error: expected unqualified-id before 'for'
   10 | for(int i=0; i<2; i++) {
      | ^~~
a.cc:10:14: error: 'i' does not name a type
   10 | for(int i=0; i<2; i++) {
      |              ^
a.cc:10:19: error: 'i' does not name a type
   10 | for(int i=0; i<2; i++) {
      |                   ^
a.cc:14:1: error: 'cout' does not name a type
   14 | cout << p << endl;
      | ^~~~
Language: C++

#include<iostream>
using namespace std;

int a, b;
 
cin << a << b;
 
int p = 0;
 
for(int i=0; i<2; i++) {
  p += a >= b ? a-- : b--;
}
 
cout << p << endl;


Compiler output:
a.cc:6:1: error: 'cin' does not name a type
    6 | cin << a << b;
      | ^~~
a.cc:10:1: error: expected unqualified-id before 'for'
   10 | for(int i=0; i<2; i++) {
      | ^~~
a.cc:10:14: error: 'i' does not name a type
   10 | for(int i=0; i<2; i++) {
      |              ^
a.cc:10:19: error: 'i' does not name a type
   10 | for(int i=0; i<2; i++) {
      |                   ^
a.cc:14:1: error: 'cout' does not name a type
   14 | cout << p << endl;
      | ^~~~
Language: C++

#include<iostream>

int a, b;

cin << a << b;

int p = 0;

for(int i=0; i<2; i++) {
  p += a >= b ? a-- : b--;
}

cout << p << endl;


Compiler output:
a.cc:5:1: error: 'cin' does not name a type
    5 | cin << a << b;
      | ^~~
a.cc:9:1: error: expected unqualified-id before 'for'
    9 | for(int i=0; i<2; i++) {
      | ^~~
a.cc:9:14: error: 'i' does not name a type
    9 | for(int i=0; i<2; i++) {
      |              ^
a.cc:9:19: error: 'i' does not name a type
    9 | for(int i=0; i<2; i++) {
      |                   ^
a.cc:13:1: error: 'cout' does not name a type
   13 | cout << p << endl;
      | ^~~~
Language: C++

        #include <bits/stdc++.h>
        int main()
        {
        int a,b;
        cin>>a>>b;
        int ans=0;
        if(a>=b){ ans+=a; a--;}
        else {ans+=b; b--;}
        cout<<ans+max(a,b)<<endl;
        }
     

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |         cin>>a>>b;
      |         ^~~
      |         std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:9:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |         cout<<ans+max(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:9:19: error: 'max' was not declared in this scope; did you mean 'std::max'?
    9 |         cout<<ans+max(a,b)<<endl;
      |                   ^~~
      |                   std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:9:29: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |         cout<<ans+max(a,b)<<endl;
      |                             ^~~~
      |                             std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int a,b;
	cin>>a>>b;
	if(a> b){
	    ans += a;
	    ans += a-1;
	} else if (a == b){
	    ans += 2 * a;
	} else {
	    ans += b;
	    ans += b-1;
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
    8 |             ans += a;
      |             ^~~
      |             abs
a.cc:11:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   11 |             ans += 2 * a;
      |             ^~~
      |             abs
a.cc:13:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |             ans += b;
      |             ^~~
      |             abs
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
  int a,b;
  cin >> a >> b;
  cout << max([a+a-1,a+b,b+b-1]) <<'\n';
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: expected ',' before '+' token
    8 |   cout << max([a+a-1,a+b,b+b-1]) <<'\n';
      |                 ^
      |                 ,
a.cc:8:17: error: expected identifier before '+' token
a.cc:8:21: error: expected ']' before ',' token
    8 |   cout << max([a+a-1,a+b,b+b-1]) <<'\n';
      |                     ^
      |                     ]
a.cc: In lambda function:
a.cc:8:21: error: expected '{' before ',' token
a.cc: In function 'int main()':
a.cc:8:31: error: expected ')' before ']' token
    8 |   cout << max([a+a-1,a+b,b+b-1]) <<'\n';
      |              ~                ^
      |                               )
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
  int a,b;
  cin >> a >> b;
  cout << max(a+a-1,a+b,b+b-1) <<'\n';
  return 0;
}

Compiler output:
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:8:14:   required from here
    8 |   cout << max(a+a-1,a+b,b+b-1) <<'\n';
      |           ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: Java

class Main{
  static int answer(int a, int b) {
    int answer = 0;
    for(int i = 0; i < 2; i++) {
      if(a>=b) {
        answer += a;
        a--;
      }else {
        answer += b;
        b--;
      }
    }
    return answer;
  }

  public static void main(String[] args) {
    Scanner stdIn = new Scanner(System.in);
    System.out.print("A:");
    int a = stdIn.nextInt();
    System.out.print("B:");
    int b = stdIn.nextInt();
    System.out.println(answer(a, b));
  }
}

Compiler output:
Main.java:17: error: cannot find symbol
    Scanner stdIn = new Scanner(System.in);
    ^
  symbol:   class Scanner
  location: class Main
Main.java:17: error: cannot find symbol
    Scanner stdIn = new Scanner(System.in);
                        ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include<iostream>
#include<sstream>
#include<vector>
#include<algorithm>
#include<string>
#include<stdexcept>
#include<stdio.h>
using namespace std;

int main(){
  int n;  cin >> s;
  int h[n]; int ans=0;
  for(int i=0;i<n;i++) cin >> h[i];
  
  for(int p=0;p<n;p++){
    bool pop = true;
    for(int i=0;i<p;i++){
      if(h[p] < h[j]){
        pop = false;
        break;
      }
    }
    if(bool){
      ans++;
    }
  }
  cout << ans <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:18: error: 's' was not declared in this scope
   11 |   int n;  cin >> s;
      |                  ^
a.cc:18:19: error: 'j' was not declared in this scope
   18 |       if(h[p] < h[j]){
      |                   ^
a.cc:23:12: error: expected unqualified-id before ')' token
   23 |     if(bool){
      |            ^
Language: Java

import java.util.Scanner;
 
class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    String n = scanner.nextLine();
    String[] h = scanner.nextLine().split(" ");
    
    int max = Integer.parseInt(h[0]);
    int lookAble = 1;
    
    for(int = i; i < h.length; i++) {
      if(max < Integer.parseInt(h[i])) {
        lookAble += 1;
        max = Integer.parseInt(h[i]);
      }
    }

    System.out.print(lookAble);
  }
}

Compiler output:
Main.java:12: error: not a statement
    for(int = i; i < h.length; i++) {
        ^
Main.java:12: error: ';' expected
    for(int = i; i < h.length; i++) {
           ^
Main.java:12: error: illegal start of expression
    for(int = i; i < h.length; i++) {
            ^
Main.java:12: error: not a statement
    for(int = i; i < h.length; i++) {
                   ^
Main.java:12: error: ')' expected
    for(int = i; i < h.length; i++) {
                             ^
Main.java:12: error: ';' expected
    for(int = i; i < h.length; i++) {
                                  ^
6 errors
Language: C++

#include <iostream>
using namespace std;
int main()
{
	int A, B;
	cin >> A >> B;
	int ans = 0;
	if(A > B)
	{
		ans += A + (A - 1);
	}
	else if(A < B);
	{
		ans += B + (B - 1);
	}
	else
	{
		ans += A + B;
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: 'else' without a previous 'if'
   16 |         else
      |         ^~~~
Language: C++

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

#ifdef DEBUG
    #define IFD if(true)
#else
    #define IFD if(false)
#endif

int main()
{
    int A, B;
    int c = 0;

    cin >> A >> B;
    /*
    for(int i = 0; i < 2; i++) {
        if(A > B) {
            c += A;
            A--;
        } else {
            c += B;
            B--;
        }
    }
    */

    cout << max(A * 2 - 1, A + B) << endl;

    return 0;
}


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

public class Main {
	public static void ain(String[] args) {

		Scanner sc = new Scanner(System.in);
		int num = sc.nextInt();
		int lookAble = 1;
		String str = sc.next();
		List<Integer> array = new ArrayList<Integer>();

		for(int i = 0;i < num; i++) {
			array.add(Integer.valueOf(str.charAt(i)));
		}

		int max = 0;
		for(int j = 0; j < num ;j++) {
			if((int)array.get(j) > max);
				lookAble += 1;
		}

		System.out.println(lookAble);
	}
}

Compiler output:
Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main
Main.java:8: error: cannot find symbol
		List<Integer> array = new ArrayList<Integer>();
		^
  symbol:   class List
  location: class Main
Main.java:8: error: cannot find symbol
		List<Integer> array = new ArrayList<Integer>();
		                          ^
  symbol:   class ArrayList
  location: class Main
4 errors
Language: Java

import java.util.Scanner;
import java.util.InputMismatchException;

public class Buttons{
    public static void main(String args[]){

        String input[] = new String[2];

        try{
            Scanner scanner = new Scanner(System.in);
            input = scanner.nextLine().split(" ");
        } catch(InputMismatchException e){
            System.out.println(e);
        }

        int buttons[] = new int[2];
        for(int i = 0; i < input.length; i++){
            buttons[i] = Integer.parseInt(input[i]);
        }

        if(Math.abs(buttons[0] - buttons[1]) <= 1){
            System.out.println(buttons[0] + buttons[1]);
        }
        else{
            if(buttons[0] > buttons[1]){
                System.out.println(buttons[0] * 2 - 1);
            }
            else{
                System.out.println(buttons[1] * 2 - 1);
            }
        }
    }
}


Compiler output:
Main.java:4: error: class Buttons is public, should be declared in a file named Buttons.java
public class Buttons{
       ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main ()
{
	int a, b;
  	int max = 0;	
  	cin >> a >> b;
  	
  	if(a > b)
    {
      max = a + a-1;
    }
  
  	if(b > a)
    {
      max = b + b-1;
    }
  
  	if(a == b)
    {
      max = a+b;
    }
  	
  	cout << sum << endl;
  
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:17: error: 'sum' was not declared in this scope
   25 |         cout << sum << endl;
      |                 ^~~
Language: Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt()
int c = 0;
		if (a > b) {
			c += a;
			a--;
		} else {
			c += b;
			b--;
		}
		if (a > b) {
			c += a;
			a--;
		} else {
			c += b;
			b--;
		}
		System.out.println(c);
	}
}

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

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b;cin>>a>>b;
  cout<<max({2a-1,2b-1,a+b});
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:14: error: unable to find numeric literal operator 'operator""a'
    5 |   cout<<max({2a-1,2b-1,a+b});
      |              ^~
a.cc:5:19: error: unable to find numeric literal operator 'operator""b'
    5 |   cout<<max({2a-1,2b-1,a+b});
      |                   ^~
a.cc:5:12: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    5 |   cout<<max({2a-1,2b-1,a+b});
      |         ~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b;cin>>a>>b;
  cout<<max(max(2a-1,2b-1),a+b);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:17: error: unable to find numeric literal operator 'operator""a'
    5 |   cout<<max(max(2a-1,2b-1),a+b);
      |                 ^~
a.cc:5:22: error: unable to find numeric literal operator 'operator""b'
    5 |   cout<<max(max(2a-1,2b-1),a+b);
      |                      ^~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:22: error: 'c' was not declared in this scope
    5 |   cout<<max(max(a,b),c);
      |                      ^