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 a=Integer.parseInt(sc.next());
		int b=Integer.parseInt(sc.next());;
		int sum=0;

		for(int i=0;i<2;i++){
			if(a>=b){
				sum+=a;
				a=a-1;
			}else{
				sum+=b;
				b=b-1;
			}
		}
		System.out.println(sum);
	}

}

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

#include<stdio.h>
int main(void){
int a,b,n,s;
  scanf("%d",&a);
  scanf("%d",&b);
if(a>b+1){
	n=a+a-1;
}
else if(a=b+1){
  n=a+b;
}
else if(a==b){
  n=a+b;
}
  if(b>a+1){
	n=b+b-1;
}
else if(b=a+1){
  n=a+b;
}
  }
  printf("%d\n",n);
}

Compiler output:
main.c:22:10: error: expected declaration specifiers or '...' before string constant
   22 |   printf("%d\n",n);
      |          ^~~~~~
main.c:22:17: error: unknown type name 'n'
   22 |   printf("%d\n",n);
      |                 ^
main.c:23:1: error: expected identifier or '(' before '}' token
   23 | }
      | ^
Language: Java

import java.util.Scanner;


public class q1 {

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

		int a=Integer.parseInt(sc.next());
		int b=Integer.parseInt(sc.next());;
		int sum=0;

		for(int i=0;i<2;i++){
			if(a>=b){
				sum+=a;
				a=a-1;
			}else{
				sum+=b;
				b=b-1;
			}
		}
		System.out.println(sum);
	}

}

Compiler output:
Main.java:4: error: class q1 is public, should be declared in a file named q1.java
public class q1 {
       ^
1 error
Language: C

#include<stdio.h>
int main(void)
{
  int A,B,C;
  scanf("%d",&A);
  scanf("%d",&B);
  if(A<3){
    scanf("%d",&A);
  }
  if(B>20){
    scanf("%d",&B);
  }
  if(A>B && A-1>B){
    C=A-1;
    printf("%d",A+C);
  }
  else if(A>B && A-1<B){
    printf("%d",A+B);
  }
  else if(A<B && B-1>A){
    C=B-1;
    printf("%d",B+C);
  }
  else if(A<B && B-1<A){
    printf("%d",A+B);
  }
  else if(A>B && A-1=B){
    printf("%d",A+B);
  }
  else if(A<B && B-1=A){
    printf("%d",A+B);
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:27:21: error: lvalue required as left operand of assignment
   27 |   else if(A>B && A-1=B){
      |                     ^
main.c:30:21: error: lvalue required as left operand of assignment
   30 |   else if(A<B && B-1=A){
      |                     ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'i' was not declared in this scope
    8 |     cout << B+B-i <<endl;
      |                 ^
Language: C

#include<stdio.h>
int main ()
{
	int a=0,b=0;
	scanf_s( "%d %d",&a, &b);
	if (b > a)
		a = b - 1;
	else if (a > b)
		b = a - 1;
	printf("%d",a+b);
	return 0;

}

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

#include<iostream>
using namespace std;
int c=0;
int main(){
 int a,b;
   cin >> a >> b;
  For(int i = 0;i<3;i++){
  if(a>b){
    c += a;
    a--;
  }
  if(a<b){
  c += b;
    b--;
  }
    if(a=b){
    c += a;
      a--;
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: expected primary-expression before 'int'
    7 |   For(int i = 0;i<3;i++){
      |       ^~~
a.cc:7:17: error: 'i' was not declared in this scope
    7 |   For(int i = 0;i<3;i++){
      |                 ^
Language: C

#include<stdio.h>
int main(void)
{
  int A,B,C;
  scanf("%d",&A);
  scanf("%d",&B);
  if(A<3){
    scanf("%d",&A);
  }
  if(B>20){
    scanf("%d",&B);
  }
  if(A>B && A-1>B){
    C=A-1;
    printf("%d",A+C);
  }
  else if(A>B && A-1<B){
    printf("%d",A+B);
  }
  else if(A<B && B-1>A){
    C=B-1;
    printf("%d",B+C);
  }
  else if(A<B && B-1<A){
    printf("%d",A+B);
  }
  else if(A>B && A-1=B){
    printf("%d",A+B);
  }
  else if(A<B && A-1=B){
    printf("%d",A+B);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:27:21: error: lvalue required as left operand of assignment
   27 |   else if(A>B && A-1=B){
      |                     ^
main.c:30:21: error: lvalue required as left operand of assignment
   30 |   else if(A<B && A-1=B){
      |                     ^
Language: C++

map(int,input().split())

Compiler output:
a.cc:1:9: error: 'input' has not been declared
    1 | map(int,input().split())
      |         ^~~~~
a.cc:1:16: error: expected ',' or '...' before '.' token
    1 | map(int,input().split())
      |                ^
a.cc:1:25: error: expected constructor, destructor, or type conversion at end of input
    1 | map(int,input().split())
      |                         ^
Language: C++

#include<iostream>
using namespace std;
int c=0;
int main(){
 int a,b,;
   cin >> a >> b;
  For(int i = 0;i<3;i++){
  if(a>b){
    c += a;
    a--;
  }
  if(a<b){
  c += b;
    b--;
  }
    if(a=b){
    c += a;
      a--;
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: expected unqualified-id before ';' token
    5 |  int a,b,;
      |          ^
a.cc:7:7: error: expected primary-expression before 'int'
    7 |   For(int i = 0;i<3;i++){
      |       ^~~
a.cc:7:17: error: 'i' was not declared in this scope
    7 |   For(int i = 0;i<3;i++){
      |                 ^
Language: Java

public class Main {

	static int a,b,total;

	public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
		a = sc.nextInt();
		b = sc.nextInt();
		total=0;

		push();
		push();

		System.out.println(total);
	}

	public static void push() {
		if(a>=b) {
			total+=a;
			a--;
		}else {
			total+=b;
			b--;
		}
	}
}

Compiler output:
Main.java:6: error: cannot find symbol
      	Scanner sc = new Scanner(System.in);
      	^
  symbol:   class Scanner
  location: class Main
Main.java:6: error: cannot find symbol
      	Scanner sc = new Scanner(System.in);
      	                 ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C

#include <stdio.h>
 
int main()
{
 int a,b,c,i;
 scanf("%d %d", &a &b);
 c=0;
  
 for(i=0;i>2;i++){
   if(a>=b){
   	c=c+a;
   	a=a-1}
   else{
   	c=c+b;
   	b=b-1}
 }
 
 printf{"%d",c};
 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:20: error: invalid operands to binary & (have 'int *' and 'int')
    6 |  scanf("%d %d", &a &b);
      |                 ~~ ^
      |                 |
      |                 int *
main.c:12:14: error: expected ';' before '}' token
   12 |         a=a-1}
      |              ^
      |              ;
main.c:15:14: error: expected ';' before '}' token
   15 |         b=b-1}
      |              ^
      |              ;
main.c:18:8: error: expected ';' before '{' token
   18 |  printf{"%d",c};
      |        ^
      |        ;
Language: C

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main(){
	int n;
	int h[20] = {0};
	int cnt=1;

	scanf_s("%d",&n);
	for(int i=0;i<n;i++) scanf_s("%d",&h[i]);

	for(int i=0;i<n-1;i++){
		if(h[i+1] > h[i]) cnt++;
	}

	printf("%d\n",cnt);

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    9 |         scanf_s("%d",&n);
      |         ^~~~~~~
      |         scanf
Language: Java

import java.io.* ;
import static java.lang.System.* ;
public class Main
{

	public static String input ( )
	{
		try
		{
			String keyin = null ;
			BufferedReader br = new BufferedReader ( new InputStreamReader ( in ) ) ;
			keyin = br.readLine ( ) ;
		}
		catch ( IOException e )
		{
			throw new InternalError ( e.toString ( ) + "発生のため") ;
		}
		return keyin ;
	}	

	public static int main ( String [] args )
	{
		int A = Integer.parseInt (input ( ) ) ;
		int B = Integer.parseInt (input ( ) ) ;
		int total = 0 ;

		for ( int i = 0 ; i > 1 ; i ++ )
		{
			if ( A > B )
			{
				total += A ;
			}
			else
			{
				total += B ;
			}
		}

		return total ;
	}
}

Compiler output:
Main.java:18: error: cannot find symbol
		return keyin ;
		       ^
  symbol:   variable keyin
  location: class Main
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main(){
  int a,e;
  cin >> a;
  vector<int>vec;
  for(int b = 0;b<a;b++){
    cin >> e;
  	vec.push_back(e);
  }
  int c = 1;
  int f = bvec.at(0);
  for(int d =1;d<a;d++){
  if(vec.at(d)>f){
  c++;
  f =vec.at(d);
  }
  
  }
  
  

}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: 'bvec' was not declared in this scope; did you mean 'vec'?
   13 |   int f = bvec.at(0);
      |           ^~~~
      |           vec
Language: C

#include<stdio.h>
int main(void){
  int n,i;
  int h[];
  int sum=0;
  scanf("%d",&n);
  for(i=0;i<n;i++){
    scanf("%d",&h[i+1]);
    if(h[0]<=h[i]){
      sum+=1;
    }
  }
  printf("%d",sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:7: error: array size missing in 'h'
    4 |   int h[];
      |       ^
Language: C++

#include <stdio.h>
 
int main()
{
 int a,b,c,i;
 scanf("%d %d", &a &b);
 c=0;
  
 for(i=0;i>2;i++){
   if(a>=b){
   	c=c+a;
   	a=a-1}
   else{
   	c=c+b;
   	b=b-1}
 }
 
 printf{"%d",c};
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:20: error: invalid operands of types 'int*' and 'int' to binary 'operator&'
    6 |  scanf("%d %d", &a &b);
      |                 ~~ ^~
      |                 |   |
      |                 |   int
      |                 int*
a.cc:12:14: error: expected ';' before '}' token
   12 |         a=a-1}
      |              ^
      |              ;
a.cc:15:14: error: expected ';' before '}' token
   15 |         b=b-1}
      |              ^
      |              ;
a.cc:18:8: error: expected ';' before '{' token
   18 |  printf{"%d",c};
      |        ^
      |        ;
Language: C++

#include <iostream>

using namespace std;


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

	int sum = 0;

	for (int i = 0; i < 2;i++) {
		if (a >= b) {
			sum += a;
			a--;
		}
		else {
			sum += b;
			b--;
		}
	}

	cout << sum;
}

Compiler output:
a.cc:6:1: error: '::main' must return 'int'
    6 | void main() {
      | ^~~~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
    9 |     return;
      |     ^~~~~~
a.cc:13:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
   13 |     return;
      |     ^~~~~~
a.cc:17:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
   17 |     return;
      |     ^~~~~~
Language: C

#include<stdio.h>
int main(void){
int a,b,n=0,s;
  scanf("%d",&a);
  scanf("%d",&b);
  while(s<2){
if(a > b){
	n=n+a;
  a=a-1;
}
else if(a<b){
  n=n+b;
  b=b-1;
}
else{
  n=n+a;
  a=a-1;
}
  }
  printf("%d\n",n);

Compiler output:
main.c: In function 'main':
main.c:20:3: error: expected declaration or statement at end of input
   20 |   printf("%d\n",n);
      |   ^~~~~~
Language: C

#include<stdio.h>
 int main() {
   int A, B;
   scanf("%d%d", &A, &B);
   if (A < B) {
     A = B;
   }
   int ans = A;
   int ans += ans - 1;
   return 0;
 }
     

Compiler output:
main.c: In function 'main':
main.c:9:12: error: expected '=', ',', ';', 'asm' or '__attribute__' before '+=' token
    9 |    int ans += ans - 1;
      |            ^~
main.c:9:12: error: expected expression before '+=' token
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: unable to find numeric literal operator 'operator""B'
    8 |     cout << 2B-1 <<endl;
      |             ^~
a.cc:11:13: error: unable to find numeric literal operator 'operator""A'
   11 |     cout << 2A-1 <<endl;
      |             ^~
Language: C

    if ((A + B) > 2 * A - 1) {
        if ((A + B) > 2 * B - 1) {
            return A + B;
        } else {
            return 2 * B - 1;
        }
    } else {
        if (2 * A - 1 > 2 * B - 1) {
            return 2 * A - 1;
        } else {
            return 2 * B - 1;
        }
    }

Compiler output:
main.c:1:5: error: expected identifier or '(' before 'if'
    1 |     if ((A + B) > 2 * A - 1) {
      |     ^~
main.c:7:7: error: expected identifier or '(' before 'else'
    7 |     } else {
      |       ^~~~
Language: C++

//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#include<bits/stdc++.h>
using namespace std;
//using namespace __gnu_pbds;
#define ll long long
#define M 1000000007LL
#define rep(i,a,b) for(ll i=(ll)a;i<(ll)b;i++)
#define sep(i,a,b) for(ll i=(ll)a;i>=(ll)b;i--)
#define mll map<ll,ll>
#define vl vector<ll>
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define sz(v) ((ll)v.size())
#define all(a) a.begin(),a.end()
#define F first
#define S second
#define pii pair<ll,ll> 
#define mod 1000000007
#define MAXN 300002
ll dp[MAXN][2];
int main() {
       ll t;
       ios::sync_with_stdio(0);
       cin.tie(0);
       cout.tie(0);
        ll i,n,k;
        cin>>n>>k;
       string s;
       cin>>s;
       ll j=0;
       ll ans=0;
         deque<pii>v;
         ll res=0;
        for(i=0;i<n;i++)
         {
            if(i and s[i]!=s[i-1]) {v.pb({res,res});res=0;}
            res++;
         }
         v.pb({res,res});
        // cout<<"gg"<<endl;
         if(s[0]=='0') v.push_front({0,0});

         for(i=0;i<v.size();i++)
         {
             if(i)
             v[i].S+=v[i-1].S;
              if(i%2==0)
              {
               if(i-2*k-1>0)
                ans=max(ans,v[i].S-v[i-2*k-1].S);
               else ans=max(ans,v[i].S);
              }
              else
              {
                if(i-2*k>0)
                ans=max(ans,v[i].S-v[i-2*k>].S);
               else ans=max(ans,v[i].S);
              }
         }
         cout<<ans;
       return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:58:44: error: expected primary-expression before ']' token
   58 |                 ans=max(ans,v[i].S-v[i-2*k>].S);
      |                                            ^
Language: C++

#include <stdio.h>
 
int main()
{
 int a,b,c,i;
 scanf("%d %d", &a %b);
 c=0;
  
 for(i=0;i>2;i++){
   if(a>=b){
   	c=c+a;
   	a=a-1}
   else{
   	c=c+b;
   	b=b-1}
 }
 
 printf{"%d",c};
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:20: error: invalid operands of types 'int*' and 'int' to binary 'operator%'
    6 |  scanf("%d %d", &a %b);
      |                 ~~ ^~
      |                 |   |
      |                 |   int
      |                 int*
a.cc:12:14: error: expected ';' before '}' token
   12 |         a=a-1}
      |              ^
      |              ;
a.cc:15:14: error: expected ';' before '}' token
   15 |         b=b-1}
      |              ^
      |              ;
a.cc:18:8: error: expected ';' before '{' token
   18 |  printf{"%d",c};
      |        ^
      |        ;
Language: Java

import java.io.* ;
import static java.lang.System.* ;
public class Main
{

	public static int input ( )
	{
		try
		{
			String keyin = null ;
			BufferedReader br = new BufferedReader ( new InputStreamReader ( in ) ) ;
			keyin = br.readLine ( ) ;
		}
		catch ( IOException e )
		{
			throw new InternalError ( e.toString ( ) + "発生のため") ;
		}
		return keyin ;
	}	

	public static int main ( String [] args )
	{
		int A = Integer.parseInt (input ( ) ) ;
		int B = Integer.parseInt (input ( ) ) ;
		int total = 0 ;

		for ( int i = 0 ; i > 1 ; i ++ )
		{
			if ( A > B )
			{
				total += A ;
			}
			else
			{
				total += B ;
			}
		}

		return total ;
	}
}

Compiler output:
Main.java:18: error: cannot find symbol
		return keyin ;
		       ^
  symbol:   variable keyin
  location: class Main
Main.java:23: error: incompatible types: int cannot be converted to String
		int A = Integer.parseInt (input ( ) ) ;
		                                ^
Main.java:24: error: incompatible types: int cannot be converted to String
		int B = Integer.parseInt (input ( ) ) ;
		                                ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
3 errors
Language: C++

#include <iostream>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    7 |   cout < max({2*a-1, 2*b-1, a+b});
      |          ~~~^~~~~~~~~~~~~~~~~~~~~
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<stdio.h>
int main(void){
int a,b,n;
  scanf("%d",&a);
  scanf("%d",&b);
if(a > b+1){
	n = a + a -1;
}
else if(a==b){
  n=a+b;
else{
  n= b + b -1;
}
  printf("%d\n",n);
}

Compiler output:
main.c: In function 'main':
main.c:11:1: error: expected '}' before 'else'
   11 | else{
      | ^~~~
Language: Java

import java.io.* ;
import static java.lang.System.* ;
public class Main
{

	public static int input ( )
	{
		try
		{
			String keyin = null ;
			BufferedReader br = new BufferedReader ( new InputStreamReader ( in ) ) ;
			keyin = br.readLine ( ) ;
		}
		catch ( IOException e )
		{
			throw new InternalError ( e.toString ( ) + "発生のため") ;
		}
		int num = Integer.parseInt ( keyin ) ;
		return num ;
	}	

	public static int main ( String [] args )
	{
		int A = input ( ) ;
		int B = input ( ) ;
		int total = 0 ;
		for ( int i = 0 ; i > 1 ; i ++ )
		{
			if ( A > B )
			{
				total += A ;
			}
			else
			{
				total += B ;
			}
		}

		return total ;
	}
}

Compiler output:
Main.java:18: error: cannot find symbol
		int num = Integer.parseInt ( keyin ) ;
		                             ^
  symbol:   variable keyin
  location: class Main
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
int A,B;
cin >> A >> B;  
if(A>B)
  cout << 2*A-1 << endl;
if(A==B)
  cout << 2*A << endl;
if 
  (A<B)
  cout << 2*B-1 << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:12:25: error: expected '}' at end of input
   12 |   cout << 2*B-1 << endl;
      |                         ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C

#include<stdio.h>
int main(){
  int large_a=0;
  int large_b=0;
  int min_1=0;
  int min_2=0;
  int max=0;
  scanf_s("%d%d",&large_a,&large_b);
  min_1=large_a-large_b;
  if(min_1>0){
    min_2=large_a-large_b-1;
    if(min_2>0){
      max=large_a*2-1;
    }else{
      max=large_a+large_b;
    }
  }else{
    min_2=large_b-large_a-1;
    if(min_2>0){
      max=large_b*2-1;
    }else{
      max=large_a+large_b;
    }
  }
  printf("%d",max);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:3: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    8 |   scanf_s("%d%d",&large_a,&large_b);
      |   ^~~~~~~
      |   scanf
Language: C++

#include<stdio.h>
int main(void){
int a,b,n;
  scanf("%d",a);
  scanf("%d",b);
if(a > b+1){
	n = a + a -1;
}
else if(a==b){
  n=a+b;
else{
  n= b + b -1;
}
  printf("%d\n",n);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:1: error: expected '}' before 'else'
   11 | else{
      | ^~~~
a.cc:9:14: note: to match this '{'
    9 | else if(a==b){
      |              ^
Language: C

#include<stdio.h>
 
 
int main(void){
  int A,B,sum=0,i;
  
  scanf("%d %d", &A, &b);
  if(A<3 || B>20){
    scanf("%d %d", &A, &B);
  }
  
  for(i=0;i++;i<=1){
    if(A>=B){
      sum = sum + A;
      A = A -1;
    }else{
      sum = sum + B;
      B = B -1;
    }
  }
  
  printf("%d",sum);
  
  return 0;
  
}

Compiler output:
main.c: In function 'main':
main.c:7:23: error: 'b' undeclared (first use in this function)
    7 |   scanf("%d %d", &A, &b);
      |                       ^
main.c:7:23: note: each undeclared identifier is reported only once for each function it appears in
Language: Java

import java.util.Scanner;

public class AbButtons{
  public static void main(String[] args){
    Scanner scanner = new Scanner(System.in);
    int sum = 0;
    System.out.println("獲得できるコインの枚数の最大値を出力せよ。");
    int inputA = scanner.nextInt();
    int inputB = scanner.nextInt();
    if(inputA >= 3 && inputB <= 20){
      if(inputB >= 3 && inputB <= 20){
        if(inputA > inputB + 1){
          sum = inputA + inputA - 1;
        }else if(inputB > inputA + 1){
          sum = inputB + inputB - 1;
        }else if(inputA == inputB + 1 || inputB == inputA + 1){
          sum = inputA + inputB;
        }else{
          sum = inputA + inputB;
        }
      }else{
        System.exit(1);
      }
    }else{
      System.exit(1);
    }
    System.out.println(sum);
    scanner.close();
  }
}


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

#include<stdio.h>
int main(){
  int large_a=0;
  int large_b=0;
  int min_1=0;
  int min_2=0;
  int max=0;
  scanf_s("%d%d",&large_a,&large_b);
  min_1=large_a-large_b;
  if(min_1>0){
    min_2=large_a-large_b-1;
    if(min_2>0){
      max=large_a*2;
    }else{
      max=large_a+large_b;
    }
  }else{
    min_2=large_b-large_a-1;
    if(min_2>0){
      max=large_b*2;
    }else{
      max=large_a+large_b;
    }
  }
  printf("%d",max);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:3: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    8 |   scanf_s("%d%d",&large_a,&large_b);
      |   ^~~~~~~
      |   scanf
Language: C++

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

int main() {
  int A,B;
  cin >>A>>B;

  if ( A>=(B+1) ) {
    cout << 2*A-1 << endl;
  }

  if (B >=(A+1)) {
    cout << 2*B-1 << endl;
  }

  if (A == B) 
    cout << A+B << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:17:25: error: expected '}' at end of input
   17 |     cout << A+B << endl;
      |                         ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

#include<stdio.h>
 
 
int main(void){
  int A,B,sum=0,i;
  
  scanf("%d %d", &A, &B);
  if(A<3 || B>20){
    scanf("%d %d", &A, &b);
  }
  
  for(i=0;i++;i<=1){
    if(A>=B){
      sum = sum + A;
      A = A -1;
    }else{
      sum = sum + B;
      B = B -1;
    }
  }
  
  printf("%d",sum);
  
  return 0;
  
}

Compiler output:
main.c: In function 'main':
main.c:9:25: error: 'b' undeclared (first use in this function)
    9 |     scanf("%d %d", &A, &b);
      |                         ^
main.c:9:25: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main() {
  int A,B;
  cin >>A>>B;

  if ( A>=(B+1) ) {
    cout << 2*A-1 << endl;
  }

  if (B >=(A+1)) {
    cout << 2*B-1 << endl;
  }

  if (A == B) {
    cout << A+B << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:17:25: error: expected '}' at end of input
   17 |     cout << A+B << endl;
      |                         ^
a.cc:16:15: note: to match this '{'
   16 |   if (A == B) {
      |               ^
a.cc:17:25: error: expected '}' at end of input
   17 |     cout << A+B << endl;
      |                         ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

#include<stdio.h>
 
 
int main(void){
  int A,B,sum=0,i;
  
  scanf("%d %d", &A, &b);
  if(A<3 || B>20){
    scanf("%d %d", &A, &b);
  }
  
  for(i=0;i++;i<=1){
    if(A>=B){
      sum = sum + A;
      A = A -1;
    }else{
      sum = sum + B;
      B = B -1;
    }
  }
  
  printf("%d",sum);
  
  return 0;
  
}

Compiler output:
main.c: In function 'main':
main.c:7:23: error: 'b' undeclared (first use in this function)
    7 |   scanf("%d %d", &A, &b);
      |                       ^
main.c:7:23: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <cstdio.h>
 
using namespace std;
 
int main() {
    cin.tie(0);ios::sync_with_stdio(false);
 
    int n,m[20],p=0,q=0;
    cin >>n;
    for(int i=0;i<n;i++){
        scanf("%d",&m[i]);
        if(m[i]>=q){
            q=m[i];
            p++;
        }
    }
    printf("%d",p);
    return 0;
}

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

import java.io.* ;
import static java.lang.System.* ;
public class Main
{

	public static int input ( )
	{
		String keyin = null ;
		BufferedReader br = new BufferedReader ( new InputStreamReader ( in ) ) ;
		keyin = br.readLine ( ) ;
		int num = Integer.parseInt ( keyin ) ;
		return num ;
	}	

	public static int main ( String [] args )
	{
		int A = input ( ) ;
		int B = input ( ) ;
		int total = 0 ;
		for ( int i = 0 ; i > 1 ; i ++ )
		{
			if ( A > B )
			{
				total += A ;
			}
			else
			{
				total += B ;
			}
		}

		return total ;
	}
}

Compiler output:
Main.java:10: error: unreported exception IOException; must be caught or declared to be thrown
		keyin = br.readLine ( ) ;
		                    ^
1 error
Language: C++

  if(flag){
                        answer++;
                }
        }
        cout<<answer<<endl;
        return 0;
}


Compiler output:
a.cc:1:3: error: expected unqualified-id before 'if'
    1 |   if(flag){
      |   ^~
a.cc:4:9: error: expected declaration before '}' token
    4 |         }
      |         ^
a.cc:5:9: error: 'cout' does not name a type
    5 |         cout<<answer<<endl;
      |         ^~~~
a.cc:6:9: error: expected unqualified-id before 'return'
    6 |         return 0;
      |         ^~~~~~
a.cc:7:1: error: expected declaration before '}' token
    7 | }
      | ^
Language: C

#include<stdio.h>
int main(){
  int large_a=0;
  int large_b=0;
  int min_1=0;
  int min_2=0;
  int max=0;
  scanf_s("%d%d",&large_a,&large_b);
  min_1=large_a-large_b;
  if(min_1>0){
    min_2=large_a-large_b;
    if(min_2>0){
      max=large_a*2;
    }else{
      max=large_a+large_b;
    }
  }else{
    min_2=large_b-large_a;
    if(min_2>0){
      max=large_b*2;
    }else{
      max=large_a+large_b;
    }
  }
  printf("%d",max);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:3: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    8 |   scanf_s("%d%d",&large_a,&large_b);
      |   ^~~~~~~
      |   scanf
Language: Java

import java.io.* ;
import static java.lang.System.* ;
public class Main
{

	public static int input ( )
	{
		String keyin = null ;
		BufferedReader br = null ;
		BufferedReader br = new BufferedReader ( new InputStreamReader ( in ) ) ;
		keyin = br.readLine ( ) ;
		int num = Integer.parseInt ( keyin ) ;
		return num ;
	}	

	public static int main ( String [] args )
	{
		int A = input ( ) ;
		int B = input ( ) ;
		int total = 0 ;
		for ( int i = 0 ; i > 1 ; i ++ )
		{
			if ( A > B )
			{
				total += A ;
			}
			else
			{
				total += B ;
			}
		}

		return total ;
	}
}

Compiler output:
Main.java:10: error: variable br is already defined in method input()
		BufferedReader br = new BufferedReader ( new InputStreamReader ( in ) ) ;
		               ^
1 error
Language: C++

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

int main() {
  int A,B;
  cin >>A>>B;

  if ( A>=(B+1) ) {
    cout << 2*A-1 << endl;
  }

  if (B >=(A+1)) {
    cout << 2*B-1 << endl;
  }

  if (A == B) {
    cout << A+B << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:17:25: error: expected '}' at end of input
   17 |     cout << A+B << endl;
      |                         ^
a.cc:16:15: note: to match this '{'
   16 |   if (A == B) {
      |               ^
a.cc:17:25: error: expected '}' at end of input
   17 |     cout << A+B << endl;
      |                         ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

#include<stdio.h>
int main(){
  int large_a=0;
  int large_b=0;
  int min_1=0;
  int min_2=0;
  int max=0;
  scanf_s("%d%d",&large_a,&large_b);
  min_1=large_a-large_b;
  if(min_1>0){
    min_2=large_a-large_b;
    if(min_2>0){
      max=large_a*2;
    }else{
      max=large_a+large_b;
    }
  }else{
    min_2=large_b-large_a;
    if(min_2>0){
      max=large_b*2;
    }else{
      max=large_a+large_b;
    }
  }
  printf("%d",max);
  retern 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:3: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    8 |   scanf_s("%d%d",&large_a,&large_b);
      |   ^~~~~~~
      |   scanf
main.c:26:3: error: 'retern' undeclared (first use in this function)
   26 |   retern 0;
      |   ^~~~~~
main.c:26:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:26:9: error: expected ';' before numeric constant
   26 |   retern 0;
      |         ^~
      |         ;
Language: Java

import java.io.* ;
import static java.lang.System.* ;
public class Main
{

	public static int input ( )
	{
		String keyin = null ;
		BufferdReader br = null ;
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		keyin = br.readLine ( ) ;
		int num = Integer.parseInt ( keyin ) ;
		return num ;
	}	

	public static int main ( String [] args )
	{
		int A = input ( ) ;
		int B = input ( ) ;
		int total = 0 ;
		for ( int i = 0 ; i > 1 ; i ++ )
		{
			if ( A > B )
			{
				total += A ;
			}
			else
			{
				total += B ;
			}
		}

		return total ;
	}
}

Compiler output:
Main.java:9: error: cannot find symbol
		BufferdReader br = null ;
		^
  symbol:   class BufferdReader
  location: class Main
Main.java:10: error: cannot find symbol
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		^
  symbol:   class BufferdReader
  location: class Main
Main.java:10: error: cannot find symbol
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		                       ^
  symbol:   class BufferdReader
  location: class Main
3 errors
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int A, B;
  cin >> A >> B;
  if(A-1 > B){
    cout << 2*A - 1;
  }
  else if(A < B-1){
    cout << 2*B - 1;
  }
  else if(A == B || A+1 == B || A == B+1){
    cout << A + B;
  }
  

Compiler output:
a.cc: In function 'int main()':
a.cc:15:4: error: expected '}' at end of input
   15 |   }
      |    ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

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

int main()
{
	int A, B, X;

	cin >> A; 
	cin >> B;

	if (A >= B) {
		X = A;
		if ((A - 1) >= B) {
			X = X + (A - 1);
		}
		else {
			X = X + B;
		}
	}
	else {
		X = B;
		if ((B - 1) >= A) {
			X = X + (B - 1);
		}
		else {
			X = X + A;
		}
	}


    cout << X << endl;
}

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

#include <iostream>
int main(){
  int A,B;
  int ans=0;
  std::cin>>A>>B;
  ans += std::max(A,B);
  ans += std::max(A-1,B-1);
  std::cout<<ans;



Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: expected '}' at end of input
    8 |   std::cout<<ans;
      |                  ^
a.cc:2:11: note: to match this '{'
    2 | int main(){
      |           ^
Language: Java

public class Main
{

	public static int input ( )
	{
		String keyin = null ;
		BufferdReader br = null ;
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		keyin = br.readLine ( ) ;
		int num = Integer.parseInt ( keyin ) ;
		return num ;
	}	

	public static void main ( String [] args )
	{
		int A = input ( ) ;
		int B = input ( ) ;
		int total = 0 ;
		for ( int i = 0 ; i > 1 ; i ++ )
		{
			if ( A > B )
			{
				total += A ;
			}
			else
			{
				total += B ;
			}
		}

		return total ;
	}
}

Compiler output:
Main.java:7: error: cannot find symbol
		BufferdReader br = null ;
		^
  symbol:   class BufferdReader
  location: class Main
Main.java:8: error: cannot find symbol
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		^
  symbol:   class BufferdReader
  location: class Main
Main.java:8: error: cannot find symbol
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		                       ^
  symbol:   class BufferdReader
  location: class Main
Main.java:8: error: cannot find symbol
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		                                           ^
  symbol:   class InputStreamReader
  location: class Main
Main.java:8: error: cannot find symbol
		BufferdReader br = new BufferdReader ( new InputStreamReader ( in ) ) ;
		                                                               ^
  symbol:   variable in
  location: class Main
Main.java:31: error: incompatible types: unexpected return value
		return total ;
		       ^
6 errors
Language: Java

import java.util.Scanner;

public class AbButtons{
  public static void main(String[] args){
    Scanner scanner = new Scanner(System.in);
    int sum = 0;
    System.out.println("A B");
    int inputA = scanner.nextInt();
    int inputB = scanner.nextInt();
    if(inputA >= 3 && inputB <= 20){
      if(inputB >= 3 && inputB <= 20){
        if(inputA > inputB + 1){
          sum = inputA + inputA - 1;
        }else if(inputB > inputA + 1){
          sum = inputB + inputB - 1;
        }else if(inputA == inputB + 1 || inputB == inputA + 1){
          sum = inputA + inputB;
        }else{
          sum = inputA + inputB;
        }
      }else{
        System.exit(1);
      }
    }else{
      System.exit(1);
    }
    System.out.println(sum);
    scanner.close();
  }
}


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

#include<iostream>
#include<algorithm
using namespace std;
signed main() {
	int a, b; cin >> a >> b;
	cout << max(a + b, max(a * 2 - 1, b * 2 - 1));
}

Compiler output:
a.cc:2:19: error: missing terminating > character
    2 | #include<algorithm
      |                   ^
Language: C++

using namespace std;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> a >> b;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:21:5: error: 'cout' was not declared in this scope
   21 |     cout << sum << endl;
      |     ^~~~
a.cc:21:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:21:20: error: 'endl' was not declared in this scope
   21 |     cout << sum << endl;
      |                    ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C

#include <stdio.h>
int mian() 
{
	int a=0,b=0,sum=0;
	scanf("%d%d\n",&a,&b);
	if(a>b)
		sum=2*a-1;
	else if(b>a)
		sum=2*b-1;
	else if(a=b)
		sum=a+b;
		printf("%\n",sum);
	return 0;
}

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

using namespace std;

int main() {
    int ;
    int h[100];
    int sum = 0;
    cin >> a >> b;
    if(a > b) {
        sum = a;
        a--;
    }
    else {
        sum = b;
        b--;
    }
    if(a > b) {
        sum += a;
    }
    else {
        sum += b;
    }
    cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: declaration does not declare anything [-fpermissive]
    4 |     int ;
      |     ^~~
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin >> a >> b;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:7:12: error: 'a' was not declared in this scope
    7 |     cin >> a >> b;
      |            ^
a.cc:7:17: error: 'b' was not declared in this scope
    7 |     cin >> a >> b;
      |                 ^
a.cc:22:5: error: 'cout' was not declared in this scope
   22 |     cout << sum << endl;
      |     ^~~~
a.cc:22:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:22:20: error: 'endl' was not declared in this scope
   22 |     cout << sum << endl;
      |                    ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: Java

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    
    Scanner sc = new Scanner(System.in);
    int num1 = sc.nextInt();
    int num2 = sc.nextInt();
    
    int count = 0;
    
    // 判定&計算
    if(num1 > num2) {
      if(num1 - num2 > 2) {
        count = num1;
        num1 -= 1;
        count += num1;
      }else{
        count = num1 + num2;
      }
    }else{
      if(num2 - num1 > 2) {
        count = num2;
        num2 -= 1;
        count += num2;
      }else{
        count = num1 + num2;
      }
    }
    // 出力  
    System.out.printlm(count);
   }
 }
      
        
      
      
      
    

Compiler output:
Main.java:31: error: cannot find symbol
    System.out.printlm(count);
              ^
  symbol:   method printlm(int)
  location: variable out of type PrintStream
1 error
Language: Java

import java.util.Scanner;
public class Q1{
	public static void main(String[]args) {
		Scanner sc = new Scanner (System.in);

		int A, B;
		A=sc.nextInt();
		B=sc.nextInt();
		
		
		if(((A*2)-1) > A+B &&  ((A*2)-1) > ((B*2)-1)){
			System.out.println((A*2)-1);

		}else if(((B*2)-1) > A+B && ((B*2)-1) >((A*2)-1) ) {
			System.out.println((B*2)-1);
			
		}else {
			System.out.println(A+B);
		}
	}
}



Compiler output:
Main.java:2: error: class Q1 is public, should be declared in a file named Q1.java
public class Q1{
       ^
1 error
Language: C++

import java.util.Scanner;
public class Q1{
	public static void main(String[]args) {
		Scanner sc = new Scanner (System.in);

		int A, B;
		A=sc.nextInt();
		B=sc.nextInt();
		
		
		if(((A*2)-1) > A+B &&  ((A*2)-1) > ((B*2)-1)){
			System.out.println((A*2)-1);

		}else if(((B*2)-1) > A+B && ((B*2)-1) >((A*2)-1) ) {
			System.out.println((B*2)-1);
			
		}else {
			System.out.println(A+B);
		}
	}
}



Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: expected unqualified-id before 'public'
    2 | public class Q1{
      | ^~~~~~
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
        int b = sc.nextInt();
        int maxCoin;
        //aとbの大きさを判別する
      	if(a = b){
        	maxCoin = a + b;
        }else if(a > b){
        	maxCoin = a + (a-1);
        }else{
        	maxCoin = b + (b-1);
      //出力
      System.out.println(maxCoin);
	}
}

Compiler output:
Main.java:19: error: reached end of file while parsing
}
 ^
1 error
Language: Java

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    
    Scanner sc = new Scanner(System.in);
    int num1 = sc.nextInt();
    int num2 = sc.nextInt();
    
    int count = 0;
    
    // 判定&計算
    if(num1 > num2) {
      if(num1 - num2 > 2) {
        count = num1;
        num1 - 1;
        count += num1;
      }else{
        count = num1 + num2;
      }
    }else{
      if(num2 - num1 > 2) {
        count = num2;
        num2 - 1;
        count += num2;
      }else{
        count = num1 + num2;
      }
    }
    // 出力  
    System.out.printlm(count);
   }
 }
      
        
      
      
      
    

Compiler output:
Main.java:16: error: not a statement
        num1 - 1;
             ^
Main.java:24: error: not a statement
        num2 - 1;
             ^
2 errors
Language: C++

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

int main() {
  int A,B;
  cin >>A>>B;

  if ( A>=(B+1) ) {
    cout << 2*A-1 << endl;
  }

  if (B >=(A+1)) {
    cout << 2*B-1 << endl;
  }

  if (A == B) {
    cout << A+B << endl;
  }


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

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

int main() {
  int A;
  int B;
  cin >> A >> B;

  if (A == B) {
    cout << A+B << endl;
  }
  if (A-1 = B) {
    cout << A+B << endl;
  }
  if (A = B-1) {
    cout << A+B << endl;
  }
  else if (A-1 > B) {
    cout << 2*A-1 << endl;
  }
  else if (B > A-1) {
    cout << 2*B-1 << endl;
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:8: error: lvalue required as left operand of assignment
   12 |   if (A-1 = B) {
      |       ~^~
Language: C

#include<stdio.h>

int main(void) {
  
  	int A = 0;
  	int B = 0;
  	int i = 2;
  	int r = 0;
  
	scanf("%d %d", &A, &B);
  
  	while(i--!=0) (A>=B)? r += A : r += B;
	print("%d", r);
  	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:42: error: lvalue required as left operand of assignment
   12 |         while(i--!=0) (A>=B)? r += A : r += B;
      |                                          ^~
main.c:13:9: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   13 |         print("%d", r);
      |         ^~~~~
      |         printf
Language: C++

A, B = map(int,input().split())

if A == B:
  print(A+B)
else:
  if A > B:
    print(2*A-1)
  else:
    print(2*B-1)


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

#include<iofstream>
#include<cmath>
#include<algorithm>
int main(){
  int A,B;
  std::cin>>A>>B;
  std::cout<<std::max(A+B,std::max(A+A-1,B+B-1));
  return 0;
}

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

#include<stdio.h>
int main(void)
{
  int a,b,c;
  scanf("%d",&a);
  scanf("%d",&b);
  if(a>3){
    scanf("%d",&a);
  }
  if(b>20){
    scanf("%d",&b);
  }
  if(a>b && a-1>b){
    c=a-1;
    printf("%d",a+c);
  }
  else if(a>b && a-1<b){
    printf("%d",A+B);
  }
  else if(a<b && b-1>a){
    c=b-1;
    printf("%d",b+c);
  }
  else if(a<b && b-1<a){
    printf("%d",a+b);
  }
  return 0;
}
    


Compiler output:
main.c: In function 'main':
main.c:18:17: error: 'A' undeclared (first use in this function)
   18 |     printf("%d",A+B);
      |                 ^
main.c:18:17: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:19: error: 'B' undeclared (first use in this function)
   18 |     printf("%d",A+B);
      |                   ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:16:8: error: expected ';' before '}' token
   16 |     A*B
      |        ^
      |        ;
   17 |   }
      |   ~
Language: C++

#include<iostream>
int main(){
  short A,B, res;
  std::cin>>A>>B;
  if(A-B>2){
    std::cout<<(A+(--A));
  }
  else if(A-B<2){
    std::cout<<(B+(--B));
  }
  else){
    std::cout<<A+B;
  }
  std::cout<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: expected primary-expression before ')' token
   11 |   else){
      |       ^
a.cc:14:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   14 |   std::cout<<endl;
      |              ^~~~
      |              std::endl
In file included from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<iofstream>
#include<cmath>
int main(){
  int A,B;
  std::cin>>A>>B;
  std::cout<<std::max(A+B,std::max(A+A-1,B+B-1));
  return 0;
}

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

#include <iostream>
using namespace std;

int main()
  {
  int A , B;
  cin >> A
  cin >> B
if (A-B >= 1){
  cout << A*2-1 << endl;
  }
  
else if (B-A >= 1){
  cout << B*2-1 << endl;
  }
else{
  cout << A+B <<endl;
  }
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected ';' before 'cin'
    7 |   cin >> A
      |           ^
      |           ;
    8 |   cin >> B
      |   ~~~      
a.cc:13:1: error: 'else' without a previous 'if'
   13 | else if (B-A >= 1){
      | ^~~~
Language: C++

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char* argv[]){
  int a=0;
  int b=0;
  int i=0;
  int sum=0;

  if(a<3 && a>20 && b<3 && b>20){
	scanf(%d,&a);
  	scanf(%d,&d);
  }

  while(i<2){
    if(a<b){
      sum += b;
      b--;
    }
    else if(a>b){
      sum += a;
      a--;
    }
    i++;
  }

  printf(%d,sum);
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:11:15: error: expected primary-expression before '%' token
   11 |         scanf(%d,&a);
      |               ^
a.cc:11:16: error: 'd' was not declared in this scope
   11 |         scanf(%d,&a);
      |                ^
a.cc:12:15: error: expected primary-expression before '%' token
   12 |         scanf(%d,&d);
      |               ^
a.cc:27:10: error: expected primary-expression before '%' token
   27 |   printf(%d,sum);
      |          ^
a.cc:27:11: error: 'd' was not declared in this scope
   27 |   printf(%d,sum);
      |           ^