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

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const ll NN = 1e6+10;

ll a,b;
int main(){
	cin>>a>>b;
	ll ma = 0;
	ma = max(-99999999999999999999,a+b);
	ma = max(ma,a-b);
	ma = max(ma,a*b);
	cout<<ma<<endl;
	
	return 0;
}

Compiler output:
a.cc:11:19: warning: integer constant is too large for its type
   11 |         ma = max(-99999999999999999999,a+b);
      |                   ^~~~~~~~~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:11:17: error: no matching function for call to 'max(long int, ll)'
   11 |         ma = max(-99999999999999999999,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:   template argument deduction/substitution failed:
a.cc:11:17: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'll' {aka 'long long int'})
   11 |         ma = max(-99999999999999999999,a+b);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/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, 2 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:   candidate expects 1 argument, 2 provided
/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:   template argument deduction/substitution failed:
a.cc:11:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   11 |         ma = max(-99999999999999999999,a+b);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: Java

mport 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 max = Math.max(a + b, a - b);
		max = Math.max(max, a * b);
		System.out.print(max);
		sc.close();

	}
}

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

#include<iostream>

using namespace std;

int main(){
    int A, B;
    cin >>A >> B;
    cout << max({A+B, A-B, A*B}) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    8 |     cout << max({A+B, A-B, 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;

plus = a + b;
minus = a - b;
mul = a * b;

cout << max(plus, max(minus, mul)) << endl;

Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | 
    4 | int main
      | ~~~                 
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main
      |     ^~~~
a.cc:6:1: error: expected primary-expression before 'int'
    6 | int a, b;
      | ^~~
a.cc:6:1: error: expected '}' before 'int'
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
a.cc:7:1: error: 'cin' does not name a type
    7 | cin >> a >> b;
      | ^~~
a.cc:9:6: error: expected unqualified-id before '=' token
    9 | plus = a + b;
      |      ^
a.cc:10:7: error: expected unqualified-id before '=' token
   10 | minus = a - b;
      |       ^
a.cc:11:1: error: 'mul' does not name a type
   11 | mul = a * b;
      | ^~~
a.cc:13:1: error: 'cout' does not name a type
   13 | cout << max(plus, max(minus, mul)) << endl;
      | ^~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;



int main(){
    int a,b,ans;
    cin >> a >> b;
    cout << max(a*b,a+b,a-b) << endl;
    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:11:16:   required from here
   11 |     cout << max(a*b,a+b,a-b) << 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: Java

//台湾旅行中
import java.util.Scanner;

public class A_137 {

	public static void main(String args[]) {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();

		System.out.println(Math.max(Math.max(A+B, A-B), A*B));
	}
}


Compiler output:
Main.java:4: error: class A_137 is public, should be declared in a file named A_137.java
public class A_137 {
       ^
1 error
Language: C

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

Compiler output:
main.c: In function 'main':
main.c:16:1: error: expected declaration or statement at end of input
   16 | }
      | ^
Language: C++

import java.util.*

fun main(args: Array<String>) {
    val scanner = Scanner(System.`in`)
    val a = scanner.nextInt()
    val b = scanner.nextInt()
    val sum = a+b
    val sub = a-b
    val mul = a*b
    val max = Math.max(sum,sub)
    println(Math.max(max,mul))

}

Compiler output:
a.cc:4:34: error: stray '`' in program
    4 |     val scanner = Scanner(System.`in`)
      |                                  ^
a.cc:4:37: error: stray '`' in program
    4 |     val scanner = Scanner(System.`in`)
      |                                     ^
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.*
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include<iostream>
using namespace std;
int main(){
	int a, b;
	cin >> a >> b;
	if (a + b >= a - b && a + b >= a * b) {
		cout << a + b << endl;
		return 0;
	}
	else if (a - b >= a + b && a - b >= a * b) {
		cout << a - b << endl;
		return 0;
	}
	else if (a * b >= a + b && a * b >= a - b)[
		cout << a * b << endl;
		return 0;
	]
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: warning: capture of variable 'std::cout' with non-automatic storage duration
   15 |                 cout << a * b << endl;
      |                 ^~~~
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::ostream std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:15:21: error: expected ',' before '<<' token
   15 |                 cout << a * b << endl;
      |                     ^~~
      |                     ,
a.cc:15:22: error: expected identifier before '<<' token
   15 |                 cout << a * b << endl;
      |                      ^~
a.cc:15:38: error: expected ']' before ';' token
   15 |                 cout << a * b << endl;
      |                                      ^
      |                                      ]
a.cc: In lambda function:
a.cc:15:38: error: expected '{' before ';' token
a.cc: In function 'int main()':
a.cc:17:9: error: expected primary-expression before ']' token
   17 |         ]
      |         ^
Language: C++

#include<bits/stdc++.h>
#define f0(i,n) for(int i=0;i<n;i++)
#define f1(i,n) for(int i=1;i<=n;i++)
#define f2(i,a,b) for(int i=a;i<=b;i++)
#define sp <<" "                // giving space
#define sp1 <<" "<<              // giving space between two elements
#define nl <<"/n"                  // new line
#define M 1000000007              // for mod
#define ll long long
#define ld long double
#define vii vector <pair<int,int>> 
#define vll vector <pair<ll,ll>> 
#define vi vector <int> 
#define vl vector <ll> 
#define mp(a,b) nake_pair(a,b)
#define F first
#define S second
using namespace std;



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

    ll c=a+b;
    ll d=a-b;
    ll e=a*b;
    cout<<max(c,mac(d,e));
    return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:30:17: error: 'mac' was not declared in this scope
   30 |     cout<<max(c,mac(d,e));
      |                 ^~~
Language: C

#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b;
	cin >> a >> b;
	int c = a - b;
	int d = a + b;
	int e = a * b;
	int f = max(c,d);
	f = max(f,e);
	cout << f << endl;
	return 0;
} 

Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
//Remove below header file if c++ version greater than 14
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <set>
#include <unordered_set>
#include <unordered_map>

#define ll long long int
#define pb push_back
#define fastIO ios_base::sync_with_stdio(false); cin.tie(nullptr);
#define endl '\n'
#define deb(x) cout << #x << " "<< x << endl;
#define fo(i, n) for(i=0; i<n; i++)
#define Fo(i, k, n) for(i=k; i<n; i++)

using namespace std;
using mii=map<int, int>;
using mll=map<ll, ll>;
using pii=pair<int,int>;
using pll=pair<ll,ll>;
using vi=vector<int>;
using vll=vector<ll>;
const int mod = 1000000007;

ll desc(ll x, ll y)
{
    return x > y;
}

int main() {
    fastIO
    ll a, b;
    cin >> a >> b;
    ll temp1 = a + b;
    ll temp2 = a - b;
    ll temp3 = a * b;

    cout << __max(__max(temp1, temp2), temp3) << endl;


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:19: error: '__max' was not declared in this scope
   41 |     cout << __max(__max(temp1, temp2), temp3) << endl;
      |                   ^~~~~
a.cc:41:13: error: '__max' was not declared in this scope
   41 |     cout << __max(__max(temp1, temp2), temp3) << endl;
      |             ^~~~~
Language: C++

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

int main()
{
    //freopen("in.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    cin>>a>>b;
    vector<int> v;
    v.push_back(a+b);
    v.push_back(a-b);
    v.push_back(a*b);
    sort(v.begin(),v.end());
    cout<<v.back();
    return 0;
}
#include <bits/stdc++.h>
using namespace std;
int a,b;

int main()
{
    //freopen("in.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    cin>>a>>b;
    vector<int> v;
    v.push_back(a+b);
    v.push_back(a-b);
    v.push_back(a*b);
    sort(v.begin(),v.end());
    cout<<v.back();
    return 0;
}


Compiler output:
a.cc:20:5: error: redefinition of 'int a'
   20 | int a,b;
      |     ^
a.cc:3:5: note: 'int a' previously declared here
    3 | int a,b;
      |     ^
a.cc:20:7: error: redefinition of 'int b'
   20 | int a,b;
      |       ^
a.cc:3:7: note: 'int b' previously declared here
    3 | int a,b;
      |       ^
a.cc:22:5: error: redefinition of 'int main()'
   22 | int main()
      |     ^~~~
a.cc:5:5: note: 'int main()' previously defined here
    5 | int main()
      |     ^~~~
Language: C++

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

int a, b;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
  	cin >> a >> b;
  	cout << max(max(a + b, a - b), a * b) << endl;
	return 0;
}


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

import java.util.*;

class Main{
  public static void main(Strin args[]){
    int a=sc.nextInt();
    int b=sc.nextInt();
    System.out.println(Math.max(a+b,Math.max(a-b,a*b)));
  }
}

Compiler output:
Main.java:4: error: cannot find symbol
  public static void main(Strin args[]){
                          ^
  symbol:   class Strin
  location: class Main
Main.java:5: error: cannot find symbol
    int a=sc.nextInt();
          ^
  symbol:   variable sc
  location: class Main
Main.java:6: error: cannot find symbol
    int b=sc.nextInt();
          ^
  symbol:   variable sc
  location: class Main
3 errors
Language: C++

//
//  main.cpp
//  A
//
//  Created by Knight_F on 2019/8/10.
//  Copyright © 2019年 Knight_F. All rights reserved.
//

#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <queue>
#include <set>
#include <map>
#include <unordered_map>
#include <vector>
#define LL long long
using namespace std;
int main(){
    int a,b;
  	cin>>a>>b;
	cout<<max(a+b,a-b,a*b);
  return 0;
}


Compiler output:
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:9:
/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:23:11:   required from here
   23 |         cout<<max(a+b,a-b,a*b);
      |               ~~~^~~~~~~~~~~~~
/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 <iostream>

using namespace std;

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

Compiler output:
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: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:9:12:   required from here
    9 |   cout<<max(a+b,a-b,a*b);
      |         ~~~^~~~~~~~~~~~~
/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 x1, x2, x3;
    x1 = a+b;
    x2 = a-b;
    x3 = a*b;
    cout << max(x1, x2, x3) << 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:11:16:   required from here
   11 |     cout << max(x1, x2, x3) << 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;
	scanf("%d%d",&a,&b);
	printf("%d",max(a+b,max(a-b,a*b));
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:42: error: expected ')' before ';' token
    6 |         printf("%d",max(a+b,max(a-b,a*b));
      |               ~                          ^
      |                                          )
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define uli unsigned long long int
#define INF 999999999
#define rep(i,m,n) for(lli i = m;i < n;i++)
#define rrep(i,m,n) for(lli i=n-1;i > m;i--)
#define pb(n) push_back(n)
#define Sort(n) sort(n.begin(), n.end())
#define Rev(n) reverse(n.begin(),n.end())
#define RS(n) sort(n.begin(), n.end());reverse(n.begin(),n.end())
#define Out(S) cout << S << endl
#define NeOut(S) cout << S
#define HpOut(S) cout << setprecision(20) << S << endl;
#define Vecpr vector<pair<lli,lli>>
#define mod 1000000007;
int main(){
  lli A,B,C=INF,D=0,E=0,F=INF,G=INF,H=0,N,M,K,S;
  cin >> A >> B;
  Out(max{A+B,A-B,A*B}));
}
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define uli unsigned long long int
#define INF 999999999
#define rep(i,m,n) for(lli i = m;i < n;i++)
#define rrep(i,m,n) for(lli i=n-1;i > m;i--)
#define pb(n) push_back(n)
#define Sort(n) sort(n.begin(), n.end())
#define Rev(n) reverse(n.begin(),n.end())
#define RS(n) sort(n.begin(), n.end());reverse(n.begin(),n.end())
#define Out(S) cout << S << endl
#define NeOut(S) cout << S
#define HpOut(S) cout << setprecision(20) << S << endl;
#define Vecpr vector<pair<lli,lli>>
#define mod 1000000007;
int main(){
  lli A,B,C=INF,D=0,E=0,F=INF,G=INF,H=0,N,M,K,S;
  cin >> A >> B;
  Out(max(A+B,max(A-B,A*B)));
}


Compiler output:
a.cc:20:23: error: macro "Out" passed 3 arguments, but takes just 1
   20 |   Out(max{A+B,A-B,A*B}));
      |                       ^
a.cc:12:9: note: macro "Out" defined here
   12 | #define Out(S) cout << S << endl
      |         ^~~
a.cc: In function 'int main()':
a.cc:20:3: error: 'Out' was not declared in this scope
   20 |   Out(max{A+B,A-B,A*B}));
      |   ^~~
a.cc:20:3: note: the macro 'Out' had not yet been defined
a.cc:33:9: note: it was later defined here
   33 | #define Out(S) cout << S << endl
      |         ^~~
a.cc: At global scope:
a.cc:38:5: error: redefinition of 'int main()'
   38 | int main(){
      |     ^~~~
a.cc:17:5: note: 'int main()' previously defined here
   17 | int main(){
      |     ^~~~
Language: C++

#include <bits/stdc++.h> 
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
typedef long long ll;ll MM = 1000000000;ll mod = MM + 7;

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

Compiler output:
a.cc:11:2: error: 'a' does not name a type
   11 | }a
      |  ^
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:35: error: expected '}' at end of input
    7 |   cout << max(max(a+b, a-b), a*b);
      |                                   ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
//Remove below header file if c++ version greater than 14
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <set>
#include <unordered_set>
#include <unordered_map>

#define ll long long int
#define pb push_back
#define fastIO ios_base::sync_with_stdio(false); cin.tie(nullptr);
#define endl '\n'
#define deb(x) cout << #x << " "<< x << endl;
#define fo(i, n) for(i=0; i<n; i++)
#define Fo(i, k, n) for(i=k; i<n; i++)

using namespace std;
using mii=map<int, int>;
using mll=map<ll, ll>;
using pii=pair<int,int>;
using pll=pair<ll,ll>;
using vi=vector<int>;
using vll=vector<ll>;
const int mod = 1000000007;

ll desc(ll x, ll y)
{
    return x > y;
}

int main() {
    fastIO
    ll a, b;
    cin >> a >> b;
    ll temp1 = a + b;
    ll temp2 = a - b;
    ll temp3 = a * b;
    
    cout << __max(__max(temp1, temp2), temp3);
    

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:19: error: '__max' was not declared in this scope
   41 |     cout << __max(__max(temp1, temp2), temp3);
      |                   ^~~~~
a.cc:41:13: error: '__max' was not declared in this scope
   41 |     cout << __max(__max(temp1, temp2), temp3);
      |             ^~~~~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:9:23: error: expected ')' before 'z'
    9 |   cout << max(max(x,y) z) << endl;
      |              ~        ^~
      |                       )
a.cc:9:14: error: no matching function for call to 'max(const int&)'
    9 |   cout << max(max(x,y) z) << 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:9:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    9 |   cout << max(max(x,y) z) << 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 <bits/stdc++.h>

int main() {
    using namespace std;
    long A, B;
    cin >> A >> B;
    cout << max(A + B, A - B, A * B) << endl;
    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 = long int; _Compare = long int]':
a.cc:7:16:   required from here
    7 |     cout << max(A + B, A - B, A * B) << 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<iostream>
#include<vector>
#include<math.h>
#include<string>
#include<algorithm>

typedef long long ll;
typedef unsigned short int unsi;
typedef unsigned int uni;
typedef unsigned long int unli;

using namespace std;

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

Compiler output:
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: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:17:13:   required from here
   17 |         cout << max(A - B, A + B, A*B) << 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;

#define ll             long long int
#define eb             emplace_back

static const int maxn = 4e5 + 5;
static const ll mod = 1e9 + 7;

int main()
{
      ios_base::sync_with_stdio(false);
      cin.tie(nullptr);
      cout.tie(nullptr);
      cout << fixed << setprecision(12);


      ll a, b;
      cin >> a >> b;
      ll maxi = a + b;
      maxi = maxi(maxi, a - b);
      maxi = max(maxi, a * b);
      cout << maxi << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:18: error: 'maxi' cannot be used as a function
   22 |       maxi = maxi(maxi, a - b);
      |              ~~~~^~~~~~~~~~~~~
Language: C++

use std::io::*;
use std::str::FromStr;

pub fn read<T: FromStr>() -> T {
    let stdin = stdin();
    let stdin = stdin.lock();
    let token: String = stdin
        .bytes()
        .map(|c| c.expect("failed to read char") as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().expect("failed to parse token")
}
use std::cmp::max;
fn main() {
    let a = read::<i64>();
    let b = read::<i64>();

    println!("{}", max(a+b, max(a*b, a-b)))
}

Compiler output:
a.cc:1:1: error: 'use' does not name a type
    1 | use std::io::*;
      | ^~~
a.cc:2:1: error: 'use' does not name a type
    2 | use std::str::FromStr;
      | ^~~
a.cc:4:1: error: 'pub' does not name a type
    4 | pub fn read<T: FromStr>() -> T {
      | ^~~
a.cc:15:1: error: 'use' does not name a type
   15 | use std::cmp::max;
      | ^~~
a.cc:16:1: error: 'fn' does not name a type
   16 | fn main() {
      | ^~
Language: C++

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
input = sys.stdin.readline


def main():
    a, b = map(int, input().split())
    print(max(a + b, a - b, a * b))


if __name__ == '__main__':
    main()


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #!
    1 | #!/usr/bin/env python
      |  ^
a.cc:2:3: error: invalid preprocessing directive #-
    2 | # -*- coding: utf-8 -*-
      |   ^
a.cc:13:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   13 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:4:1: error: 'import' does not name a type
    4 | import sys
      | ^~~~~~
a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C

#include<iostream>
#include<algorithm>
using namespace std;
int a,b;
int main(){
	cin>>a>>b;
	cout<<max({a+b,a-b,a*b})<<endl;
	return 0;
}

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

#include <bits/stdc++.h>
using namespace std;
#define il inline
#define re register
#define rep(i,n) for(re int (i)=1;(i)<=(n);++(i))
typedef long long ll;
const int maxn=1e5+5;
int n,m,a[maxn];
il int read(){
	re char ch(getchar());
	re int f(1),x(0);
	while(ch<'0'||ch>'9'){
		if(ch=='-') f=-1;
		ch=getchar();
	}
	while(ch>='0'&&ch<='9'){
		x=x*10+ch-'0';
		ch=getchar();
	}
	return x*f;
}
int main(){
	cin>>n>>m;
	cout<<max(a+b,max(a-b,a*b));
	return 0;
}


Compiler output:
a.cc: In function 'int read()':
a.cc:10:17: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   10 |         re char ch(getchar());
      |                 ^~
a.cc:11:16: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   11 |         re int f(1),x(0);
      |                ^
a.cc:11:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   11 |         re int f(1),x(0);
      |                     ^
a.cc: In function 'int main()':
a.cc:24:21: error: 'b' was not declared in this scope
   24 |         cout<<max(a+b,max(a-b,a*b));
      |                     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(false); cin.tie(0);
#define FOR(i,s,n) for(int i = s; i < (n); i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(n) (n).begin(), (n).end()
#define RALL(n) (n).rbegin(), (n).rend()
#define ATYN(n) cout << ( (n) ? "Yes":"No") << endl;
#define CFYN(n) cout << ( (n) ? "YES":"NO") << endl;
using ll = long long;
using ull = unsigned long long;

int main(void)
{
    IOS
    int a,b;
    cin >> a >> b;
    ans = max(a+b,a-b);
    ans = max(ans,a*b);

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |     ans = max(a+b,a-b);
      |     ^~~
      |     abs
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define ui unsigned int
#define ull unsigned long long
#define bug(x) cerr << '\n' << (#x) << " = " << (x) << endl;
#define REP0(i, n) for(int i = 0, _n = (n); i < _n; ++i)
#define REP1(i, n) for(int i = 1, _n = (n); i <= _n; ++i)
#define REPB0(i, n) for(int i = (n) - 1; i >= 0; --i)
#define REPB1(i, n) for(int i = (n); i > 0; --i)
#define FOR(i, a, b) for(int i = (a), _b = (b); i <= _b; ++i)
#define FORB(i, a, b) for(int i = (a), _b = (b); i >= _b; --i)
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define X first
#define Y second

using namespace std;
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef pair<double, double> dd;
typedef pair<float, float> ff;

int main()
{
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	int a, b;
	cin >> a >> b;
	cout << max(a + b, a - b, a * b);	
	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:30:13:   required from here
   30 |         cout << max(a + b, a - b, a * b);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~
/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() {
  intA,B;
  cin>>A>>B;
  cout<<max(max(A+B,A-B),A*B);
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'intA' was not declared in this scope; did you mean 'int'?
    4 |   intA,B;
      |   ^~~~
      |   int
a.cc:4:8: error: 'B' was not declared in this scope
    4 |   intA,B;
      |        ^
a.cc:5:8: error: 'A' was not declared in this scope
    5 |   cin>>A>>B;
      |        ^
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
int main()
{
    int A, B; cin >> A >> B;
    cout << max({A+B, A-B, A*B});
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:15: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |     int A, B; cin >> A >> B;
      |               ^~~
      |               std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     cout << max({A+B, A-B, A*B});
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:13: error: 'max' was not declared in this scope; did you mean 'std::max'?
    7 |     cout << max({A+B, A-B, A*B});
      |             ^~~
      |             std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:3:
/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 <iostream>
using namespace std;

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    9 |   cout << max({a+b, a-b, a*b}) << '\n';
      |           ~~~^~~~~~~~~~~~~~~~~
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 <iostream>
#include <string>
#include <algorithm>
#include <cstdio>
#include <vector>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <numeric>
#include <cmath>
#include <cassert>

using namespace std;

typedef long long int ll;
typedef pair<int,int> P;

#define all(x) x.begin(),x.end()

const ll mod = 1e9+7;
const ll INF = 1e9;

ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};

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

Compiler output:
a.cc: In function 'int main()':
a.cc:33:18: error: expected '}' at end of input
   33 |         return 0;
      |                  ^
a.cc:29:1: note: to match this '{'
   29 | {
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define uli unsigned long long int
#define INF 999999999
#define rep(i,m,n) for(lli i = m;i < n;i++)
#define rrep(i,m,n) for(lli i=n-1;i > m;i--)
#define pb(n) push_back(n)
#define Sort(n) sort(n.begin(), n.end())
#define Rev(n) reverse(n.begin(),n.end())
#define RS(n) sort(n.begin(), n.end());reverse(n.begin(),n.end())
#define Out(S) cout << S << endl
#define NeOut(S) cout << S
#define HpOut(S) cout << setprecision(20) << S << endl;
#define Vecpr vector<pair<lli,lli>>
#define mod 1000000007;
int main(){
  lli A,B,C=INF,D=0,E=0,F=INF,G=INF,H=0,N,M,K,S;
  cin >> A >> B;
  Out(max{A+B,A-B,A*B}));
}

Compiler output:
a.cc:20:23: error: macro "Out" passed 3 arguments, but takes just 1
   20 |   Out(max{A+B,A-B,A*B}));
      |                       ^
a.cc:12:9: note: macro "Out" defined here
   12 | #define Out(S) cout << S << endl
      |         ^~~
a.cc: In function 'int main()':
a.cc:20:3: error: 'Out' was not declared in this scope
   20 |   Out(max{A+B,A-B,A*B}));
      |   ^~~
Language: C++

#include<bits/stdc++.h>
#define Ms(a,b) memset(a,b,sizeof a)
#define db(x) cout<<#x<<"="<<x<<endl;
#define db2(x,y) cout<<#x<<"="<<x<<" "<<#y<<"="<<y<<endl;
#define db3(x,y,z) cout<<#x<<"="<<x<<" "<<#y<<"="<<y<<" "<<#z<<"="<<z<<endl;
using namespace std;
int a,b;
int main() {
	scanf("%d%d",&a,&b);
	printf("%d",max(max(a+b),a-b),a*b);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:28: error: no matching function for call to 'max(int)'
   10 |         printf("%d",max(max(a+b),a-b),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:
a.cc:10:28: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   10 |         printf("%d",max(max(a+b),a-b),a*b);
      |                         ~~~^~~~~
/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;
typedef long long ll;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)
#define fs first
#define sc second
typedef pair<ll, ll> l_l;
#define EPS (1e-7)
#define INF (1e9)
#define PI (acos(-1))

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

Compiler output:
a.cc: In function 'int main()':
a.cc:15:3: error: expected initializer before 'cin'
   15 |   cin>>a>>b;
      |   ^~~
a.cc:16:16: error: 'b' was not declared in this scope
   16 |   cout<<max({a+b,a-b,a*b}) <<endl;
      |                ^
a.cc:16:12: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   16 |   cout<<max({a+b,a-b,a*b}) <<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:
/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++

from collections import defaultdict, deque
import sys
import math

sys.setrecursionlimit(100000)

MIN = -10 ** 9
MAX = 10 ** 9 + 7


def main():
    # N = int(input())
    A,B = [int(a) for a in input().split()]
    # H = [
    #     int(input())
    #     for _ in range(N)
    # ]
    # A = [int(a) for a in input().split()]
    print(max(max(A+B,A-B),A*B))


if __name__ == '__main__':
    main()


Compiler output:
a.cc:12:7: error: invalid preprocessing directive #N
   12 |     # N = int(input())
      |       ^
a.cc:14:7: error: invalid preprocessing directive #H
   14 |     # H = [
      |       ^
a.cc:15:11: error: invalid preprocessing directive #int
   15 |     #     int(input())
      |           ^~~
a.cc:16:11: error: invalid preprocessing directive #for
   16 |     #     for _ in range(N)
      |           ^~~
a.cc:17:7: error: invalid preprocessing directive #]
   17 |     # ]
      |       ^
a.cc:18:7: error: invalid preprocessing directive #A
   18 |     # A = [int(a) for a in input().split()]
      |       ^
a.cc:22:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   22 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:1:1: error: 'from' does not name a type
    1 | from collections import defaultdict, deque
      | ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i = 0; i < (int)(n); i++)

int main(){
  int a, b;
  cin >> a >> b;
  cout << max(a + b, a - b, a * b) << endl;
  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:10:14:   required from here
   10 |   cout << max(a + b, a - b, a * b) << 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++

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

print(max(A + B, A - B, A * B))

Compiler output:
a.cc:1:3: error: invalid preprocessing directive #N
    1 | # N = int(input())
      |   ^
a.cc:2:1: error: 'A' does not name a type
    2 | A, B = map(int, input().split())
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using lint = long long;
const lint mod = 998244353;
#define all(x) (x).begin(), (x).end()
#define bitcount(n) __builtin_popcountl((lint)(n))
#define fcout cout << fixed << setprecision(15)
#define highest(x) (63 - __builtin_clzl(x))
template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; }
template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; }
template<class T = string, class U = char>int character_count(T text, U character){ int ans = 0; for(U i: text){ ans += (i == character); } return ans; }
lint power(lint base, lint exponent, lint module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ lint root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }}
struct position{ int y, x; }; position mv[4] = {{0, -1}, {1, 0}, {0, 1}, {-1, 0}}; // double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); }
template<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + "," + to_string(x.second); } string to_string(string x){ return x; }
template<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++) ans += to_string(*i) + " "; if(!ans.empty()) ans.pop_back(); cout << ans << endl; }
template<class itr> void cins(itr first, itr last){ for(auto i = first; i != last; i++){ cin >> (*i); } }
template<class T> T gcd(T a, T b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }} template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; }
struct combination{ vector<lint> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1){ fact[0] = 1; for(int i = 1; i <= sz; i++){ fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2, mod); for(int i = sz - 1; i >= 0; i--){ inv[i] = inv[i + 1] * (i + 1) % mod; } } lint C(int p, int q) const{ if(q < 0 || p < q) return 0; return (fact[p] * inv[q] % mod * inv[p - q] % mod); } };
template<class itr> bool next_sequence(itr first, itr last, int max_bound){ itr now = last; while(now != first){ now--; (*now)++; if((*now) == max_bound){ (*now) = 0; }else{ return true; } } return false; }

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


Compiler output:
a.cc: In function 'int main()':
a.cc:24:49: error: expected ';' before '}' token
   24 |     cout << max({A + B, A - B, A * B}) << endl;1
      |                                                 ^
      |                                                 ;
   25 | }
      | ~
Language: C++

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

int main() {
	int a, b;
	cin >> a >> b;
	cout << max(a + b, a - b, a*b) << endl;
	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:7:13:   required from here
    7 |         cout << max(a + b, a - b, a*b) << 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<stdio.h>
#include<string.h>

int main()
{
   int k,x; 
   scanf("%d %d",&k,&x)
   int i;
   for(i=x-k+1;i<=x+k-1;i++){
		printf("%d ",i);
	}
}


Compiler output:
main.c: In function 'main':
main.c:7:24: error: expected ';' before 'int'
    7 |    scanf("%d %d",&k,&x)
      |                        ^
      |                        ;
    8 |    int i;
      |    ~~~                  
main.c:9:8: error: 'i' undeclared (first use in this function)
    9 |    for(i=x-k+1;i<=x+k-1;i++){
      |        ^
main.c:9:8: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
#include<string.h>

int main()
{
   int k,x; //x is black //k is number
   scanf("%d %d",&k,&x)
   int i;
   for(i=x-k+1;i<=x+k-1;i++){
		printf("%d ",i);
	}
}

Compiler output:
main.c: In function 'main':
main.c:7:24: error: expected ';' before 'int'
    7 |    scanf("%d %d",&k,&x)
      |                        ^
      |                        ;
    8 |    int i;
      |    ~~~                  
main.c:9:8: error: 'i' undeclared (first use in this function)
    9 |    for(i=x-k+1;i<=x+k-1;i++){
      |        ^
main.c:9:8: note: each undeclared identifier is reported only once for each function it appears in