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

#include<bits/stdc++.h>
int n;
int main(){
  cin >> n;
  if(n % 2 == 1) cout << n*2 << endl;
  else cout << n << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   cin >> n;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:18: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |   if(n % 2 == 1) cout << n*2 << endl;
      |                  ^~~~
      |                  std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:5:33: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    5 |   if(n % 2 == 1) cout << n*2 << endl;
      |                                 ^~~~
      |                                 std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:6:8: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |   else cout << n << endl;
      |        ^~~~
      |        std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:21: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |   else cout << n << endl;
      |                     ^~~~
      |                     std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
#include<map>
#include<numeric>
#include<set>
#include<string>
#include<utility>
#include<vector>

#define rep(i, a, n)  for(int i=a; i<n; i++)
#define per(i, a, n)  for(int i=n-1; i>=a; i--)
#define all(x)  (x).begin(), (x).end()
#define MAX 10000
using namespace std;
typedef long long ll;

int main(){
  int n;
  int a[200100];
  cin >> n;
  rep(i, 1, n+1){
    cin >> a[i];
    a[i] -= i;
  }

  sort(a+1, a+n+1);

  int b = vec[n/2 + 1];
  long long ans = 0;
  rep(i, 0, n){
    ans += abs(vec[i]-cent);
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:11: error: 'vec' was not declared in this scope
   29 |   int b = vec[n/2 + 1];
      |           ^~~
a.cc:32:23: error: 'cent' was not declared in this scope
   32 |     ans += abs(vec[i]-cent);
      |                       ^~~~
Language: C++

#include <iostream>
using namespace std;
int main() {
	int N;
	cin >> N;
	if (N % 2 == 0) {
		cout << N << endl;

	}
	else if (N % 2 == 1) {
		cout << 2 * N << emdl;

	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:34: error: 'emdl' was not declared in this scope
   11 |                 cout << 2 * N << emdl;
      |                                  ^~~~
Language: C++

#include <iostream>
using namespace std;
int main{
	int N;
	cin >> N;
	if (N % 2 == 0) {
		cout << N << endl;

	}
	else {
		cout << 2 * N << endl;
	}
	return 0;
}


Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:9: error: expected primary-expression before 'int'
    4 |         int N;
      |         ^~~
a.cc:4:9: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:9: error: 'cin' does not name a type
    5 |         cin >> N;
      |         ^~~
a.cc:6:9: error: expected unqualified-id before 'if'
    6 |         if (N % 2 == 0) {
      |         ^~
a.cc:10:9: error: expected unqualified-id before 'else'
   10 |         else {
      |         ^~~~
a.cc:13:9: error: expected unqualified-id before 'return'
   13 |         return 0;
      |         ^~~~~~
a.cc:14:1: error: expected declaration before '}' token
   14 | }
      | ^
Language: C++

#include <iostream>
using namespace std;

int main()
{
    int n;

    cin  >> n;

    if(!(n%2){
        cout << n << endl;
    }else{
        cout << n*2 << endl;
    }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: expected ')' before '{' token
   10 |     if(!(n%2){
      |       ~      ^
      |              )
a.cc:16:1: error: expected primary-expression before '}' token
   16 | }
      | ^
Language: C++

#include <iostream>
using namespace std;

int main(){
  cin >> N;
  if(N%2==1) cout << 2*N << endl;
  else cout << N << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'N' was not declared in this scope
    5 |   cin >> N;
      |          ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
 
#define MD 1000000007
typedef long long int ll;

int main(){
    ll N;
    cin>>N;
    cout<<2*N/__gcd(2,N)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: no matching function for call to '__gcd(int, ll&)'
   11 |     cout<<2*N/__gcd(2,N)<<endl;
      |               ~~~~~^~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:1137:5: note: candidate: 'template<class _EuclideanRingElement> _EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement)'
 1137 |     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
      |     ^~~~~
/usr/include/c++/14/bits/stl_algo.h:1137:5: note:   template argument deduction/substitution failed:
a.cc:11:20: note:   deduced conflicting types for parameter '_EuclideanRingElement' ('int' and 'long long int')
   11 |     cout<<2*N/__gcd(2,N)<<endl;
      |               ~~~~~^~~~~
Language: C

#include <stdio.h>

int main(){
  
  int i = 3,N,ans;
  scanf("%d",&N);
  
  while(N !% i == 0){
    i++
  }
  
  ans = i;
  printf("%d",ans);
  
  return 0;
  
}
  
    

Compiler output:
main.c: In function 'main':
main.c:8:10: error: expected ')' before '!' token
    8 |   while(N !% i == 0){
      |        ~ ^~
      |          )
main.c:9:8: error: expected ';' before '}' token
    9 |     i++
      |        ^
      |        ;
   10 |   }
      |   ~
Language: C++

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

int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  for(int i=0;i<n;i++){
    cin >> a[i];
  }
  int mn=a[0],mx=a[0];
  for(int i=1;i<n;i++){
    if(mn>a[i])
      mn=a[i];
    if(mx<a[i])
      mx=a[i];
  }
  cout << mx-mn << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector<int> a(n);
      |   ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include<algorithm>
  +++ |+#include <vector>
    3 | using namespace std;
a.cc:8:10: error: expected primary-expression before 'int'
    8 |   vector<int> a(n);
      |          ^~~
a.cc:10:12: error: 'a' was not declared in this scope
   10 |     cin >> a[i];
      |            ^
a.cc:12:10: error: 'a' was not declared in this scope
   12 |   int mn=a[0],mx=a[0];
      |          ^
a.cc:16:8: error: 'mx' was not declared in this scope; did you mean 'mn'?
   16 |     if(mx<a[i])
      |        ^~
      |        mn
a.cc:19:11: error: 'mx' was not declared in this scope; did you mean 'mn'?
   19 |   cout << mx-mn << endl;
      |           ^~
      |           mn
Language: C++

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

int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  for(int i=0;i<n;i++){
    cin >> a[i];
  }
  sort(a,a+n);
  int ans=a[0] - a[n];
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector<int> a(n);
      |   ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include<algorithm>
  +++ |+#include <vector>
    3 | using namespace std;
a.cc:8:10: error: expected primary-expression before 'int'
    8 |   vector<int> a(n);
      |          ^~~
a.cc:10:12: error: 'a' was not declared in this scope
   10 |     cin >> a[i];
      |            ^
a.cc:12:8: error: 'a' was not declared in this scope
   12 |   sort(a,a+n);
      |        ^
Language: C++

#include<iostream>
using namespace std;

int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  for(int i=0;i<n;i++){
    cin >> a[i];
  }
  sort(a,a+n);
  int ans=a[0] - a[n];
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'vector' was not declared in this scope
    7 |   vector<int> a(n);
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include<iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:7:10: error: expected primary-expression before 'int'
    7 |   vector<int> a(n);
      |          ^~~
a.cc:9:12: error: 'a' was not declared in this scope
    9 |     cin >> a[i];
      |            ^
a.cc:11:8: error: 'a' was not declared in this scope
   11 |   sort(a,a+n);
      |        ^
a.cc:11:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |   sort(a,a+n);
      |   ^~~~
      |   short
Language: C++

#include <bits/stdc++.h>

using namespace std ;

long long a [ 200001 ] , b , c , d , e , f , g , h , k , l , m , n , cnt ;

int main ()
{
    int mx = 1e9 ;
    cin >> n ;
    for ( int i = 1 ; i <= n ; ++ i ){
        cin >> a [ i ] ;
    }
    for ( int i = 1 ; i <= n ; ++ i ){
        for ( int j = 0 ; j < n ; ++ j ){
            b = abs ( a [ i ] - ( j + i ) ) ;
            mx = min ( b , mx ) ;
            if ( mx < b ){
                cnt ++ ;
            }
            if ( cnt == 10 ){
                break ;
            }
        }
        cnt += b ;
    }
    cout << cnt ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:22: error: no matching function for call to 'min(long long int&, int&)'
   17 |             mx = min ( b , mx ) ;
      |                  ~~~~^~~~~~~~~~
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:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:17:22: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   17 |             mx = min ( b , mx ) ;
      |                  ~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: 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:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:17:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   17 |             mx = min ( b , mx ) ;
      |                  ~~~~^~~~~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std ;

long long a [ 200001 ] , b , c , d , e , f , g , h , k , l , m , n , cnt [ 200001 ] ;

int main ()
{
    cin >> n ;
    for ( int i = 1 ; i <= n ; ++ i ){
        cin >> a [ i ] ;
            cnt += abs ( a [ i ] - i ) ;
    }
    cout << cnt ;
    return 0 ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:17: error: incompatible types in assignment of 'long long int' to 'long long int [200001]'
   12 |             cnt += abs ( a [ i ] - i ) ;
      |             ~~~~^~~~~~~~~~~~~~~~~~~~~~
Language: C

#incloud <studio.h>
int a;
int b;
scanf("%d",a);
if (a%b=0){
  printf("%d",a);
else
  b=a*2;
  printf("%d",b);
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #incloud; did you mean #include?
    1 | #incloud <studio.h>
      |  ^~~~~~~
      |  include
main.c:4:7: error: expected declaration specifiers or '...' before string constant
    4 | scanf("%d",a);
      |       ^~~~
main.c:4:12: error: expected declaration specifiers or '...' before 'a'
    4 | scanf("%d",a);
      |            ^
main.c:5:1: error: expected identifier or '(' before 'if'
    5 | if (a%b=0){
      | ^~
Language: C

#incloud <studio.h>
int a;
int b;
scanf("%d",a);
if (a%b=0){
  printf("%d",a);
else
  b=a*2;
  printf("%d",b);


Compiler output:
main.c:1:2: error: invalid preprocessing directive #incloud; did you mean #include?
    1 | #incloud <studio.h>
      |  ^~~~~~~
      |  include
main.c:4:7: error: expected declaration specifiers or '...' before string constant
    4 | scanf("%d",a);
      |       ^~~~
main.c:4:12: error: expected declaration specifiers or '...' before 'a'
    4 | scanf("%d",a);
      |            ^
main.c:5:1: error: expected identifier or '(' before 'if'
    5 | if (a%b=0){
      | ^~
Language: C

#incloud <studio.h>
int a;
int b;
if (a%b=0){
  printf("%d",a);
else
  b=a*2;
  printf("%d",b);


Compiler output:
main.c:1:2: error: invalid preprocessing directive #incloud; did you mean #include?
    1 | #incloud <studio.h>
      |  ^~~~~~~
      |  include
main.c:4:1: error: expected identifier or '(' before 'if'
    4 | if (a%b=0){
      | ^~
Language: C++

include<stdio.h>
{
int data;
scanf(%d, &data);
printf(%ds\n, &data);
return 0;
 }

Compiler output:
a.cc:5:11: error: stray '\' in program
    5 | printf(%ds\n, &data);
      |           ^
a.cc:1:1: error: 'include' does not name a type
    1 | include<stdio.h>
      | ^~~~~~~
Language: C++

#include <stdio.h>

int main(void)
{
	int i;
	printf("%p\n", &i("s");

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:26: error: 'i' cannot be used as a function
    6 |         printf("%p\n", &i("s");
      |                         ~^~~~~
Language: C++

#include <iostream>
#include <algorithm>

int main() {
	long long N;	std::cin>>N;
	std::cout<<N*2/std::__gcd(N, 2)<<"\n";

	return 0;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:34: error: no matching function for call to '__gcd(long long int&, int)'
    6 |         std::cout<<N*2/std::__gcd(N, 2)<<"\n";
      |                        ~~~~~~~~~~^~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:1137:5: note: candidate: 'template<class _EuclideanRingElement> _EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement)'
 1137 |     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
      |     ^~~~~
/usr/include/c++/14/bits/stl_algo.h:1137:5: note:   template argument deduction/substitution failed:
a.cc:6:34: note:   deduced conflicting types for parameter '_EuclideanRingElement' ('long long int' and 'int')
    6 |         std::cout<<N*2/std::__gcd(N, 2)<<"\n";
      |                        ~~~~~~~~~~^~~~~~
Language: C++

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

double main(){
	double a[pow(10,9)]={};
	double b;
	scanf("%ls",&b);
	for(int i=0;i<(sizeof(a)/sizeof(*a));i++){
		if((i%2==0) && (i%b==0)){
			a.push(i);
		}
	}
	printf("%d",a[0]);
	return 0;
}

Compiler output:
a.cc:5:1: error: '::main' must return 'int'
    5 | double main(){
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:6:21: error: conversion from '__gnu_cxx::__promote<double>::__type' {aka 'double'} to 'long unsigned int' in a converted constant expression
    6 |         double a[pow(10,9)]={};
      |                  ~~~^~~~~~
a.cc:6:21: error: could not convert 'std::pow<int, int>(10, 9)' from '__gnu_cxx::__promote<double>::__type' {aka 'double'} to 'long unsigned int'
    6 |         double a[pow(10,9)]={};
      |                  ~~~^~~~~~
      |                     |
      |                     __gnu_cxx::__promote<double>::__type {aka double}
a.cc:6:21: error: size of array 'a' has non-integral type '__gnu_cxx::__promote<double>::__type' {aka 'double'}
a.cc:10:34: error: invalid operands of types 'int' and 'double' to binary 'operator%'
   10 |                 if((i%2==0) && (i%b==0)){
      |                                 ~^~
      |                                 | |
      |                                 | double
      |                                 int
a.cc:11:27: error: request for member 'push' in 'a', which is of non-class type 'double [1]'
   11 |                         a.push(i);
      |                           ^~~~
Language: C++

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

int main(){
	double a[pow(10,9)]={};
	double b;
	scanf("%ls",&b);
	for(int i=0;i<(sizeof(a)/sizeof(*a));i++){
		if((i%2==0) && (i%b==0)){
			a.push(i);
		}
	}
	printf("%d",a[0]);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:21: error: conversion from '__gnu_cxx::__promote<double>::__type' {aka 'double'} to 'long unsigned int' in a converted constant expression
    6 |         double a[pow(10,9)]={};
      |                  ~~~^~~~~~
a.cc:6:21: error: could not convert 'std::pow<int, int>(10, 9)' from '__gnu_cxx::__promote<double>::__type' {aka 'double'} to 'long unsigned int'
    6 |         double a[pow(10,9)]={};
      |                  ~~~^~~~~~
      |                     |
      |                     __gnu_cxx::__promote<double>::__type {aka double}
a.cc:6:21: error: size of array 'a' has non-integral type '__gnu_cxx::__promote<double>::__type' {aka 'double'}
a.cc:10:34: error: invalid operands of types 'int' and 'double' to binary 'operator%'
   10 |                 if((i%2==0) && (i%b==0)){
      |                                 ~^~
      |                                 | |
      |                                 | double
      |                                 int
a.cc:11:27: error: request for member 'push' in 'a', which is of non-class type 'double [1]'
   11 |                         a.push(i);
      |                           ^~~~
Language: C++

#!/usr/bin/ruby
# encoding: utf-8

N = gets.to_i
puts 2.lcm(N)


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #!
    1 | #!/usr/bin/ruby
      |  ^
a.cc:2:3: error: invalid preprocessing directive #encoding
    2 | # encoding: utf-8
      |   ^~~~~~~~
a.cc:4:1: error: 'N' does not name a type
    4 | N = gets.to_i
      | ^
Language: C++

#include <cstdio>

int n;

int main(){
  
  scanf("%d",&n);
  
  if(n % 2)
    printf("%d", n*2);
  else
    printf("%d", n);
  
  return 0
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:11: error: expected ';' before '}' token
   14 |   return 0
      |           ^
      |           ;
   15 | }
      | ~
Language: C++

import java.util.*;

public class Main {
	
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		if(n % 2 == 1)n *= 2;
		System.out.println(n);
	}
}


Compiler output:
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'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

#include<iostream>
using namespace std;

int main()
{
  int N;
  cin >> N;
  for (i=2; i<N;i+2)
  {
    if (i % N == 0)
    {
      cout << i;
      break;
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: 'i' was not declared in this scope
    8 |   for (i=2; i<N;i+2)
      |        ^
Language: C++

#include <iostream>
using namespace std;
int main{
  int N;
  cin>>N; 
  if(N%2==0)
    cout<<N<<endl;
  else
    cout<<2*N<<endl;
  return 0;
}

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:3: error: expected primary-expression before 'int'
    4 |   int N;
      |   ^~~
a.cc:4:3: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:3: error: 'cin' does not name a type
    5 |   cin>>N;
      |   ^~~
a.cc:6:3: error: expected unqualified-id before 'if'
    6 |   if(N%2==0)
      |   ^~
a.cc:8:3: error: expected unqualified-id before 'else'
    8 |   else
      |   ^~~~
a.cc:10:3: error: expected unqualified-id before 'return'
   10 |   return 0;
      |   ^~~~~~
a.cc:11:1: error: expected declaration before '}' token
   11 | }
      | ^
Language: C++

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

int main(){
  int N;
  int a[110];
  cin >> N;
  for (int i=0; i < N; ++i)
    cin >> a[i];
  sort.(a, a+N);
  cout << a[N-1] - a[0] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: expected unqualified-id before '(' token
   11 |   sort.(a, a+N);
      |        ^
Language: C

include <stdio.h>
 
int main(void){
int a;
scanf("%d",&a);
if(!(a % 2))	a *= 2;
printf("%d",a);
return 0;
}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

include <stdio.h>

int main(void){
int a;
scanf("%d",&a);
if(!(a & 2))	a *= 2;
printf("%d",a);
return 0;
}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C++

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

int main(){
  int n;
  cin >> n;
  
  if(n % 2 = 0) cout << n << endl;
  else cout << n * 2 << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: lvalue required as left operand of assignment
    8 |   if(n % 2 = 0) cout << n << endl;
      |      ~~^~~
Language: C++

#include <iostream>
#include <stdio.h>
#include <complex.h>
#include <algorithm>
using namespace std;

int main()
{
    long long n, a[200001], ave = 0;
    long long ans = 10000000;

    cin >> n;
    for(int i = 0; i < n; i++){
      cin >> a[i];
      a[i] -= i + 1;
    }

    sort(a, a+n);
    long long b = a[n / 2];
    for(int j = 0; j < n; j++)
      sum += abs(a[j] - b);

    cout << sum <<endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:7: error: 'sum' was not declared in this scope
   21 |       sum += abs(a[j] - b);
      |       ^~~
a.cc:23:13: error: 'sum' was not declared in this scope
   23 |     cout << sum <<endl;
      |             ^~~
Language: C

#include <iostream>
using namespace std;
int main(void){
    int N;
    cin>>N;
    if(N%2==0){cout<<N;}
    else cout<<2*N;
    return 0;
    
}


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

#include <iostream>

int main() 
{
  int N;
  std::cin >> N;
  if(N % 2 == 1){
    std::cout << 2N;
  }else{
    std::cout << N;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: unable to find numeric literal operator 'operator""N'
    8 |     std::cout << 2N;
      |                  ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main ()
{
  int n;
  cin>>n;
  if (n%2==0)
  {
    printf("%d\n",n );
  else {
    printf("%d\n",n*2 );
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: expected '}' before 'else'
   10 |   else {
      |   ^~~~
a.cc:8:3: note: to match this '{'
    8 |   {
      |   ^
Language: C++

#include <iostream>

int main() {
  int a;
  cin >> a;
  
  if (a % 2) {
    cout << 2 * a << endl;
  } else {
    cout << a << endl;
  }
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> a;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout << 2 * a << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |     cout << 2 * a << endl;
      |                      ^~~~
      |                      std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout << a << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |     cout << a << endl;
      |                  ^~~~
      |                  std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++


int main() {

	int N; cin >> N;
	int i;
	int k;
	vector<long> A;
	for (i = 0; i < N; i++) {
		cin >> k;
		A.push_back(k-i-1);
	}

	sort (A.begin(), A.end());
	N = A.size();
	long b[2];
	b[0] = (A[N / 2] + A[N / 2 - 1]) / 2.0;
	b[1] = A[N / 2];
	
	long sum[2] = {};
	for (i = 0; i < N; i++) {
		sum[0] += abs(A[i] - b[0]);
		sum[1] += abs(A[i] - b[1]);
	}
	cout << min(sum[0],sum[1]) << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:16: error: 'cin' was not declared in this scope
    4 |         int N; cin >> N;
      |                ^~~
a.cc:7:9: error: 'vector' was not declared in this scope
    7 |         vector<long> A;
      |         ^~~~~~
a.cc:7:16: error: expected primary-expression before 'long'
    7 |         vector<long> A;
      |                ^~~~
a.cc:10:17: error: 'A' was not declared in this scope
   10 |                 A.push_back(k-i-1);
      |                 ^
a.cc:13:15: error: 'A' was not declared in this scope
   13 |         sort (A.begin(), A.end());
      |               ^
a.cc:13:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |         sort (A.begin(), A.end());
      |         ^~~~
      |         short
a.cc:21:27: error: 'abs' was not declared in this scope
   21 |                 sum[0] += abs(A[i] - b[0]);
      |                           ^~~
a.cc:24:9: error: 'cout' was not declared in this scope
   24 |         cout << min(sum[0],sum[1]) << endl;
      |         ^~~~
a.cc:24:17: error: 'min' was not declared in this scope; did you mean 'main'?
   24 |         cout << min(sum[0],sum[1]) << endl;
      |                 ^~~
      |                 main
a.cc:24:39: error: 'endl' was not declared in this scope
   24 |         cout << min(sum[0],sum[1]) << endl;
      |                                       ^~~~
Language: Java

public class Atc1 {
    public static void main(String[] args){
        int N = new java.util.Scanner(System.in).nextInt();
        if ( 0 == N % 2) {
        System.out.println(N);
        } else if( 1 == N % 2){
          System.out.println(2*N);
        }
    }
}
   

Compiler output:
Main.java:1: error: class Atc1 is public, should be declared in a file named Atc1.java
public class Atc1 {
       ^
1 error
Language: Java

import java.util.*;

public class A {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		if(a % 2 == 0) {
			System.out.println(a);
		}else if (a == 1) {
			System.out.println(2);
		}else{
			System.out.println(a*2);
		}
	}
}


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

#include <stdio.h>

int main(){
int N;
scanf("%d",&N);
if(N%2 == 0){
printf("%d",N);
}else{
printf("%d",2N);
}

Compiler output:
main.c: In function 'main':
main.c:9:13: error: invalid suffix "N" on integer constant
    9 | printf("%d",2N);
      |             ^~
main.c:10:1: error: expected declaration or statement at end of input
   10 | }
      | ^
Language: C++

#include<iostream>
main(){int N;std::cin>>std::N;cout<<N+N%6;}

Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){int N;std::cin>>std::N;cout<<N+N%6;}
      | ^~~~
a.cc: In function 'int main()':
a.cc:2:29: error: 'N' is not a member of 'std'
    2 | main(){int N;std::cin>>std::N;cout<<N+N%6;}
      |                             ^
a.cc:2:31: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    2 | main(){int N;std::cin>>std::N;cout<<N+N%6;}
      |                               ^~~~
      |                               std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

import java.util.Scanner;
 
public class Main {
     public static void main(String[] args)
    {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        System.out.println(multipleOf2andN(n));
    }

    private static int multipleOf2andN(int n)
    {
        return n % 2 == 0 ? n : 2 * n;
    }
}

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:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

#include <iostream>

#include <vector>

#include <algorithm>

int main(void) {
    int N;
    std::cin >> N;
    std::vector <int> A;
    for (int i = 0; i < N; i++) {
        std::cin >> A[i];
        A[i]-=i+1;
    }
    std::sort (A.begin(), A.end());
    int b = A[n/2];
    int ans = 0;
    for(int i = 0; i < N; i++) {
        if(A[i]<b) ans+=b-A[i];
        else ans+=A[i]-b;
    }
    std::cout << A[i] << std::endl;
    return 0;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:15: error: 'n' was not declared in this scope
   16 |     int b = A[n/2];
      |               ^
a.cc:22:20: error: 'i' was not declared in this scope
   22 |     std::cout << A[i] << std::endl;
      |                    ^
Language: C++

#include<iostream>:
using namespace std;
int main(){
  int N;
  cin>>N;
  if(N%2==0){
    cout<<N<<endl;
  }else{
    coiut<<2*N<<endl;
  }
  return 0;
}

Compiler output:
a.cc:1:19: warning: extra tokens at end of #include directive
    1 | #include<iostream>:
      |                   ^
a.cc: In function 'int main()':
a.cc:9:5: error: 'coiut' was not declared in this scope
    9 |     coiut<<2*N<<endl;
      |     ^~~~~
Language: C++

#include <iostream>
using namespace std;
int main(void){
    int N;
    cin >> N;
    vector <int> a(N);
    for(int i = 0; i < N; i++)
    {
        cin >> a[i];
    }
    int mn = a[0], mx = a[0];
	for(int i = 1; i < n; i++){
		if(mn > a[i])
		    mn=a[i];
		if(mx<a[i])
			mx=a[i];
	}
	
	cout<<mx-mn<<endl;
}
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'vector' was not declared in this scope
    6 |     vector <int> a(N);
      |     ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:6:13: error: expected primary-expression before 'int'
    6 |     vector <int> a(N);
      |             ^~~
a.cc:9:16: error: 'a' was not declared in this scope
    9 |         cin >> a[i];
      |                ^
a.cc:11:14: error: 'a' was not declared in this scope
   11 |     int mn = a[0], mx = a[0];
      |              ^
a.cc:12:28: error: 'n' was not declared in this scope
   12 |         for(int i = 1; i < n; i++){
      |                            ^
a.cc:15:20: error: 'mx' was not declared in this scope; did you mean 'mn'?
   15 |                 if(mx<a[i])
      |                    ^~
      |                    mn
a.cc:19:15: error: 'mx' was not declared in this scope; did you mean 'mn'?
   19 |         cout<<mx-mn<<endl;
      |               ^~
      |               mn
a.cc: At global scope:
a.cc:21:9: error: expected declaration before '}' token
   21 |         }
      |         ^
a.cc:22:1: error: expected declaration before '}' token
   22 | }
      | ^
Language: Java

import java.until.*;
public class Main{
public static void main (String []args){
 Scanner input =new Scanner(System.in);
int n =input.nextInt();
System.out.println(n*2);
}
}

Compiler output:
Main.java:1: error: package java.until does not exist
import java.until.*;
^
Main.java:4: error: cannot find symbol
 Scanner input =new Scanner(System.in);
 ^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
 Scanner input =new Scanner(System.in);
                    ^
  symbol:   class Scanner
  location: class Main
3 errors
Language: Java

public class Main{
  public static void main(String [] args){
    Scanner sc = new java.util.Scanner(System.in);
    int N = sc.nextInt();
    int m = N;
    if (m%2 !=0){
      m *=2;
    }
    System.out.println(m);
  }
}

Compiler output:
Main.java:3: error: cannot find symbol
    Scanner sc = new java.util.Scanner(System.in);
    ^
  symbol:   class Scanner
  location: class Main
1 error
Language: C

#include <stdio.h>

int main(void)
{
    int N;
    int A[N];
    int min;
    int max;

    do
    {
        scanf("%d", &N);
    } while (N < 1 || N > 1000000000);

    if (N % 2 == 0)
    {
        printf("%d", N);
    }
    else
    {
        printf("%d", 2 * N);
    }
    return 0
}


Compiler output:
main.c: In function 'main':
main.c:23:13: error: expected ';' before '}' token
   23 |     return 0
      |             ^
      |             ;
   24 | }
      | ~
Language: C

#include <stdio.h>

int main(void)
{
    int N;

    do{
       scanf("%d\n", &N);
    }while(N < 1 || N > 1000000000)

    if(N%2 == 0){
        printf("%d", N);    
    }else{
       printf("%d", 2 * N);
    }
    
}

Compiler output:
main.c: In function 'main':
main.c:9:36: error: expected ';' before 'if'
    9 |     }while(N < 1 || N > 1000000000)
      |                                    ^
      |                                    ;
   10 | 
   11 |     if(N%2 == 0){
      |     ~~                              
main.c:13:6: error: 'else' without a previous 'if'
   13 |     }else{
      |      ^~~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
	int n;
	cin>>n;
	if(n%2==0)
	cout<<n;
	else
	cout<<2n;
	return 0;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: unable to find numeric literal operator 'operator""n'
   10 |         cout<<2n;
      |               ^~
Language: C++

  #include<bits/stdc++.h>
  using namespace std;
  int main(){
  	int n;
  	cin>>n;
  	if(n%2==0)
    cout<<n<<endl;
    else
    cout<<2n<<endl;
    return 0;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:9:11: error: unable to find numeric literal operator 'operator""n'
    9 |     cout<<2n<<endl;
      |           ^~
Language: C++

#include<iostream>
using namespace std;
int main()
{
int n;cin>>n;
if(n%2)
cout<<2*n:
else
cout<<n;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: expected ';' before ':' token
    7 | cout<<2*n:
      |          ^
      |          ;
Language: C++

    #include <algorithm>
    #include <iostream>
    #include <stdio.h>
     
    using namespace std;
     
    int main() {
        int n;
        cin >> n;
     
        int x[n];
        for (int i = 0; i < n; i++) {
            cin >> x[i];
            x[i] -= (i + 1);
        }
     
        sort(x, x + n);
     
        int b = x[n / 2];
        long ss = 0;
        for (int i = 0; i < n; i++) {
            s += abs(x[i] - b);
        }
     
        cout << s << endl;
     
        return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:22:13: error: 's' was not declared in this scope
   22 |             s += abs(x[i] - b);
      |             ^
a.cc:25:17: error: 's' was not declared in this scope; did you mean 'ss'?
   25 |         cout << s << endl;
      |                 ^
      |                 ss
Language: C

#include <stdio.h>
int main() {
long long a, b, i;
scanf("%lld", &a);
if (a % 2 == 1) {
b = a * 2;
} else {
b = a
}
printf("%lld\n", b);
return 0;
} 

Compiler output:
main.c: In function 'main':
main.c:8:6: error: expected ';' before '}' token
    8 | b = a
      |      ^
      |      ;
    9 | }
      | ~
Language: C

#include<stdio.h>
int main(void)
{
 int n,i=0,j;
 scanf("%d",&n);
if(n==999999999){
printf("1999999998\n");}
 else(n%2==0){
 printf("%d\n",n);
 }else{
    for(i=0;;){
        i=i+2;
    if(i%n==0){
        printf("%d\n",i);
        break;
        }
    }
    }



return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:14: error: expected ';' before '{' token
    8 |  else(n%2==0){
      |              ^
      |              ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()[
    int n;
    cin >>n;
    int x;
    if(n%2){
        x= 2*n;
    }else{
        x= n;
    }
    cout << x << endl;
    return 0;
]

Compiler output:
a.cc:4:5: error: expected primary-expression before 'int'
    4 |     int n;
      |     ^~~
a.cc:3:12: error: expected ']' before 'int'
    3 | int main()[
      |            ^
      |            ]
    4 |     int n;
      |     ~~~     
a.cc:5:5: error: 'cin' does not name a type
    5 |     cin >>n;
      |     ^~~
a.cc:7:5: error: expected unqualified-id before 'if'
    7 |     if(n%2){
      |     ^~
a.cc:9:6: error: expected unqualified-id before 'else'
    9 |     }else{
      |      ^~~~
a.cc:12:5: error: 'cout' does not name a type
   12 |     cout << x << endl;
      |     ^~~~
a.cc:13:5: error: expected unqualified-id before 'return'
   13 |     return 0;
      |     ^~~~~~
a.cc:14:1: error: expected unqualified-id before ']' token
   14 | ]
      | ^
Language: C

#include<stdio.h>
int main(void)
{
 int n,i=0,j;
 scanf("%d",&n);if(999999999==n){
printf("1999999998\n");}
 else if(n%2==0){
 printf("%d\n",n);
 }else{
    for(i=0;;){
        i=i+2;
    if(i%n==0){
        printf("%d\n",i);
        break;
        }
    }
    }



return 0;


Compiler output:
main.c: In function 'main':
main.c:21:1: error: expected declaration or statement at end of input
   21 | return 0;
      | ^~~~~~
Language: C++

#include <stdio.h>

int main(){
	int a;
	int b;
	
		scanf("%d", &a);

		if(a % 2 == 0){
			printf("%d\n", a);
			}else {
				b = a * 2;
			printf("%d\n" , b);
		}
	}
}

Compiler output:
a.cc:16:1: error: expected declaration before '}' token
   16 | }
      | ^
Language: C++

    #include <stdio.h>
     
    int main(void){
    int N;
    scanf("%d", &N);
int A[N];
    for(int i = 0;i<N;i++){
    scanf("%d", &A[i]);
    }
    int max = 0;
    int min = 100000000;
    for(int j = 0;j<N;j++){
    if(A[j]>max){
    max = A[j];
    }
    if(A[j]<min){
    min = A[j];
    }
    }
    printf("%d",max-min);
     
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:22:14: error: expected '}' at end of input
   22 |     return 0;
      |              ^
a.cc:3:19: note: to match this '{'
    3 |     int main(void){
      |                   ^
Language: C++

#include <stdio.h>

int main(void)
{
    int N ;
    sscanf("%d", &N);
    if(N%2 == 1)printf("%d\n", N*2);
    else printf("%d\n", N);

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:18: error: cannot convert 'int*' to 'const char*'
    6 |     sscanf("%d", &N);
      |                  ^~
      |                  |
      |                  int*
In file included from a.cc:1:
/usr/include/stdio.h:431:43: note:   initializing argument 2 of 'int sscanf(const char*, const char*, ...)'
  431 |                    const char *__restrict __format, ...) __THROW;
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include <stdio.h>

int main(){
int N;
int A[100] ;
scanf("%d",&N);
for(int i = 0;i<N;i++){
scanf("%d",&A[i]);
}
int max = 0;
int min = 100000000;
for(int j = 0;j<N;j++){
if(A[j]>max){
max = A[j];
}
if(A[j]<min){
min = A[j];
}
}
printf("%d",max-min);

return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:22:10: error: expected '}' at end of input
   22 | return 0;
      |          ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C

#include <stdio.h>
 
int main(void) {
   int a = 2;
   int N, r, x, tmp;
 
   scanf("%d", &N);
   if(N == EOF) {
      printf("error\n");
      return -1;
   }
 
   x = a * N;
 
   if(a<N) {
      tmp = a;
      a = N;
      N = tmp;
   }

Compiler output:
main.c: In function 'main':
main.c:19:4: error: expected declaration or statement at end of input
   19 |    }
      |    ^
Language: C++

#include <stdio.h>

int main(){
int N;
int A[100] ;
scanf("%d",N);
for(int i = 0;i<N;i++){
scanf("%d",A[i]);
}
int max = 0;
int min = 100000000;
for(int j = 0;j<N;j++){
if(A[j]>max){
max = A[j];
}
if(A[j]<min){
min = a[j];
}
}
printf("%d",max-min);

return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:17:7: error: 'a' was not declared in this scope
   17 | min = a[j];
      |       ^
a.cc:22:10: error: expected '}' at end of input
   22 | return 0;
      |          ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<iostream>
#include<string>
#include<algorithm>

int main(void)
{
	int n, i, max, min;
	0>>n;
	int s[n];

   for(i = 0; i < n; i++)
   {
   	0>>s[i];
   }
   sort(s, s+n);
  
   max = s[n-1];
   min = s[0];
   printf("%d", max-min);
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:4: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
   15 |    sort(s, s+n);
      |    ^~~~
      |    std::sort
In file included from /usr/include/c++/14/algorithm:86,
                 from a.cc:3:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: 'std::sort' declared here
  296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
      | ^~~~
Language: C++

#include <stdio.h>

int main(){
int N;
int A[];
scanf("%d",N);
for(int i = 0;i<N;i++){
scanf("%d",A[i]);
}
int max = 0;
int min = 100000000;
for(int j = 0;j<N;j++){
if(A[j]>max){
max = A[j];
}
if(A[j]<min){
min = a[j];
}
}
printf("%d",max-min);

return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: storage size of 'A' isn't known
    5 | int A[];
      |     ^
a.cc:17:7: error: 'a' was not declared in this scope
   17 | min = a[j];
      |       ^
a.cc:22:10: error: expected '}' at end of input
   22 | return 0;
      |          ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C

    #include <stdio.h>
     
    int main(int argc, char *argv[]){
        int N;
        scanf("%d", &N);
        if(N%2==1){
            printf("%d",N*2);
        }
        else if{
            printf("%d",N);
        }
    }

Compiler output:
main.c: In function 'main':
main.c:9:16: error: expected '(' before '{' token
    9 |         else if{
      |                ^
      |                (
Language: C++

#include<stdio.h>
 
int main(void){
  int N,x;
  char buf[128];
        printf("N: ");
        fgets(buf, 127, stdin);
        sscanf(buf, "%d", &N);
  if(N/2*2-N == 0){
  x=N;
  }else{
  x = 2 * N;
  }
  printf("%d\n"x);
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:10: error: unable to find string literal operator 'operator""x' with 'const char [4]', 'long unsigned int' arguments
   14 |   printf("%d\n"x);
      |          ^~~~~~~
Language: C++

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

int main(){
	int N,min,max;
	int[] A[100];
	scanf("%d",&N);
	for(int i=0;i<N;i++){
		scanf("%d",A[N]);
	}
	min=N[0];
	max=N[0];
	for(int i=1;i<N;i++){
		if(A[i]<min)min=N[A];
		if(A[i]>max)max=N[A];
	}
	printf("%d",abs(max-min))
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:12: error: structured binding declaration cannot have type 'int'
    6 |         int[] A[100];
      |            ^~
a.cc:6:12: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:6:12: error: empty structured binding declaration
a.cc:6:15: error: expected initializer before 'A'
    6 |         int[] A[100];
      |               ^
a.cc:9:28: error: 'A' was not declared in this scope
    9 |                 scanf("%d",A[N]);
      |                            ^
a.cc:11:14: error: invalid types 'int[int]' for array subscript
   11 |         min=N[0];
      |              ^
a.cc:12:14: error: invalid types 'int[int]' for array subscript
   12 |         max=N[0];
      |              ^
a.cc:14:20: error: 'A' was not declared in this scope
   14 |                 if(A[i]<min)min=N[A];
      |                    ^
a.cc:15:20: error: 'A' was not declared in this scope
   15 |                 if(A[i]>max)max=N[A];
      |                    ^
a.cc:17:34: error: expected ';' before '}' token
   17 |         printf("%d",abs(max-min))
      |                                  ^
      |                                  ;
   18 | }
      | ~
Language: C++

#include <stdio.h>

int main(void) {
 int N;
 sscanf("%d", &N);
 if(N%2 == 1){
  printf("%d\n", N*2);
 }else pritnf("%d\n", N);
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:15: error: cannot convert 'int*' to 'const char*'
    5 |  sscanf("%d", &N);
      |               ^~
      |               |
      |               int*
In file included from a.cc:1:
/usr/include/stdio.h:431:43: note:   initializing argument 2 of 'int sscanf(const char*, const char*, ...)'
  431 |                    const char *__restrict __format, ...) __THROW;
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
a.cc:8:8: error: 'pritnf' was not declared in this scope; did you mean 'printf'?
    8 |  }else pritnf("%d\n", N);
      |        ^~~~~~
      |        printf
Language: C

#include <stdio.h>

int main(void){
    int N;
    scanf("%d," $N);
    if((N+1)/2 != N/2){
        printf("%d\n", N*2);
    }else{
        printf("%d\n", N);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:16: error: expected ')' before '$N'
    5 |     scanf("%d," $N);
      |          ~     ^~~
      |                )
Language: C++

#include<stdio.h>
 
int main (void){
int N;
scanf("%d",&N);
if (N%2==o) printf ("%d", N);
if (N%2==1) printf ("%d", N*2);
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: 'o' was not declared in this scope
    6 | if (N%2==o) printf ("%d", N);
      |          ^