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

#include <iostream>
using namespace std;

int main(void){
	int N;
	cin >> N;
	vector<int> v(N);
	for(int i = 0; i < N; i++ ){
		cin >> v[i];
	}
	for(int j = 0; j < N; j++ ){
		cout << v[N-1-j];
		if( j == (N-1)) cout << endl;
		else cout << " ";
	}
	

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'vector' was not declared in this scope
    7 |         vector<int> v(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:7:16: error: expected primary-expression before 'int'
    7 |         vector<int> v(N);
      |                ^~~
a.cc:9:24: error: 'v' was not declared in this scope
    9 |                 cin >> v[i];
      |                        ^
a.cc:12:25: error: 'v' was not declared in this scope
   12 |                 cout << v[N-1-j];
      |                         ^
Language: C++

import java.util.*;
public class Main
{
	public static void main(String args[])
	{
		Scanner input = new Scanner(System.in);
		int n = input.nextInt();
		int[] arr = new int[n];
		for(int i = 0; i < n; i++)
			arr[i] = input.nextInt();
		for(int i = n-1; i >= 0; i--)
		{
			if(i == 0)
				System.out.println(arr[i]);
			else 
				System.out.print(arr[i] + " ");
		}
	}
}

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:2:1: error: expected unqualified-id before 'public'
    2 | public class Main
      | ^~~~~~
Language: C++

# -*- coding: utf-8 -*-
a = STDIN.gets.to_i
b = gets.split.map(&:to_i).reverse.join(' ')
puts b

Compiler output:
a.cc:1:3: error: invalid preprocessing directive #-
    1 | # -*- coding: utf-8 -*-
      |   ^
a.cc:2:1: error: 'a' does not name a type
    2 | a = STDIN.gets.to_i
      | ^
Language: C++

#include <iostream>
#include <stdio.h>
using namespace std;
 
int main(){
    int n,i,j;
    cin >> n;
    int d[101];
    for (i=1;i<=n;i++) {
         cin >> d[i];
    }
    for (j=0;j<n;j++){

    for (i=1;i<n;i++){
        int k=0;
        if (d[i]<d[i+1]){
            t=d[i];
            d[i]=d[i+1];
            d[i+1]=t;
         }
    }
    }

    for (i=1;i<n;i++){
        cout << d[i] << " ";
    }
    cout << d[n] <<endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:13: error: 't' was not declared in this scope
   17 |             t=d[i];
      |             ^
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main() {
    int n, x;
    
    vector<int> a;
    
    cin >> n;
    
    for(int i = 0; i < n; i++) {
        cin >> x;
        a.push_back(x);
    }
    
    reverse(a.begin(), a.end());
    
    for(int i = 0; i < n; i++) {
        if(i == n-1) cout << a[i] << endl;
        cout << a[i] << " ";
    }
    
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:5: error: 'reverse' was not declared in this scope
   18 |     reverse(a.begin(), a.end());
      |     ^~~~~~~
Language: C++

#include<iostream>
using namespace std;

int main()
{
  int i,n,b[n];
cin >> n;
for(i=0;i<n;i++){
cin >> b[i] ;
}}

for(i=n-1;i>=0;i--){
cout << b[i] <<' ' ;
} 

  cout<<endl;

Compiler output:
a.cc:12:1: error: expected unqualified-id before 'for'
   12 | for(i=n-1;i>=0;i--){
      | ^~~
a.cc:12:11: error: 'i' does not name a type
   12 | for(i=n-1;i>=0;i--){
      |           ^
a.cc:12:16: error: 'i' does not name a type
   12 | for(i=n-1;i>=0;i--){
      |                ^
a.cc:16:3: error: 'cout' does not name a type
   16 |   cout<<endl;
      |   ^~~~
Language: C++

#include<iostream>
using namespace std;

int main()
{
  int i,n,b[n];
cin >> n;
for(i=0;i<n;i++){
cin >> b[i] ;
}}

for(i=n-1;i>=0;i--){
cout << b[i] <<' ' ;
} 

  cout<<endl;
}

Compiler output:
a.cc:12:1: error: expected unqualified-id before 'for'
   12 | for(i=n-1;i>=0;i--){
      | ^~~
a.cc:12:11: error: 'i' does not name a type
   12 | for(i=n-1;i>=0;i--){
      |           ^
a.cc:12:16: error: 'i' does not name a type
   12 | for(i=n-1;i>=0;i--){
      |                ^
a.cc:16:3: error: 'cout' does not name a type
   16 |   cout<<endl;
      |   ^~~~
a.cc:17:1: error: expected declaration before '}' token
   17 | }
      | ^
Language: C++

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

int main(){
  int N;
  cin >> N;
  vector<int> v(N);
  for(int i=0;i<N;i++){
    cin >> v[i];
  }
  for(int i=N-1;i>=0;i--){
    cout << v[i];
    if(i != 0)
      cout << " ";
  }
???cout << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:1: error: expected primary-expression before '?' token
   20 | ???cout << endl;
      | ^
a.cc:20:2: error: expected primary-expression before '?' token
   20 | ???cout << endl;
      |  ^
a.cc:20:3: error: expected primary-expression before '?' token
   20 | ???cout << endl;
      |   ^
a.cc:20:16: error: expected ':' before ';' token
   20 | ???cout << endl;
      |                ^
      |                :
a.cc:20:16: error: expected primary-expression before ';' token
a.cc:20:16: error: expected ':' before ';' token
   20 | ???cout << endl;
      |                ^
      |                :
a.cc:20:16: error: expected primary-expression before ';' token
a.cc:20:16: error: expected ':' before ';' token
   20 | ???cout << endl;
      |                ^
      |                :
a.cc:20:16: error: expected primary-expression before ';' token
Language: C++

#include <iostream>
using namespace std;
int main(){
  int n;
  cin>>n;
  int line[n],line2[n];
  for(int i=0;i<n;i++){
    cin>>line[i]
  }
  int a=n-1;
  for(int i=0;i<n;i++){
    line2[a]=line[i];
    if(a)cout<<" ";
    --a;
  }
  cout<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: expected ';' before '}' token
    8 |     cin>>line[i]
      |                 ^
      |                 ;
    9 |   }
      |   ~
Language: C++

#include <iostream>
using namespace std;
int main(){
  int n;
  cin>>n;
  int line[n],line2[n];
  for(int i=0;i<n;i++){
    cin>>line[i]
  }
  int a=n-1;
  for(int i=0;i<n;i++){
    line2[a]=line[i];
    if(a)cout<<" ";
    --a;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: expected ';' before '}' token
    8 |     cin>>line[i]
      |                 ^
      |                 ;
    9 |   }
      |   ~
Language: C++

#include <iostream>
using namespace std;
int main(){
  int n;
  cin>>n;
  int line[n];
  for(int i=0;i<n;i++){
    cin>>line[i]
  }
  int a=n-1;
  for(int i=0;i<n;i++){
    cout<<line[a];
    if(a)cout<<" ";
    --a;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: expected ';' before '}' token
    8 |     cin>>line[i]
      |                 ^
      |                 ;
    9 |   }
      |   ~
Language: C++

#include <stdio.h>
int main(void) {
int n,i;
int a[100];
scanf("%d", &n);
for(i=0;i<n;++i){
scanf("%d",&a[i]);
}
if( n > 0 ) {
printf( "%d", &a[n-1]);
for(i=1;i<n;++i){
printf(" %d",&a[n-i-1];
}
}
putchar('\n');
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: expected ')' before ';' token
   12 | printf(" %d",&a[n-i-1];
      |       ~               ^
      |                       )
Language: C++

#include <stdio.h>
int main(void) {
int n,i;
int a[100];
scanf("%d", &n);
for(i=0;i<n;++i){
scanf("%d",&a[i]);
}
if( n > 0 ) {
printf( "%d", a[n-1]);
for(i=1;i<n;++i){
printf(" %d", a[n-i-1];
}
}
putchar('\n');
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: expected ')' before ';' token
   12 | printf(" %d", a[n-i-1];
      |       ~               ^
      |                       )
Language: C++

import java.util.Scanner;

class Main{
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] a = new int[n];

		for(int i=0; i<n; i++){
			a[i] = sc.nextInt();
		}
		for(int i=n-1; i>0; i--){
			System.out.print(a[i] + " ");
		}
		System.out.print(a[0]);

	}
}

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:4:15: error: expected ':' before 'static'
    4 |         public static void main(String args[]){
      |               ^~~~~~~
      |               :
a.cc:4:33: error: 'String' has not been declared
    4 |         public static void main(String args[]){
      |                                 ^~~~~~
a.cc:18:2: error: expected ';' after class definition
   18 | }
      |  ^
      |  ;
a.cc: In static member function 'static void Main::main(int*)':
a.cc:5:17: error: 'Scanner' was not declared in this scope
    5 |                 Scanner sc = new Scanner(System.in);
      |                 ^~~~~~~
a.cc:6:25: error: 'sc' was not declared in this scope
    6 |                 int n = sc.nextInt();
      |                         ^~
a.cc:7:20: error: structured binding declaration cannot have type 'int'
    7 |                 int[] a = new int[n];
      |                    ^~
a.cc:7:20: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:7:20: error: empty structured binding declaration
a.cc:7:23: error: expected initializer before 'a'
    7 |                 int[] a = new int[n];
      |                       ^
a.cc:10:25: error: 'a' was not declared in this scope
   10 |                         a[i] = sc.nextInt();
      |                         ^
a.cc:13:25: error: 'System' was not declared in this scope
   13 |                         System.out.print(a[i] + " ");
      |                         ^~~~~~
a.cc:13:42: error: 'a' was not declared in this scope
   13 |                         System.out.print(a[i] + " ");
      |                                          ^
a.cc:15:17: error: 'System' was not declared in this scope
   15 |                 System.out.print(a[0]);
      |                 ^~~~~~
a.cc:15:34: error: 'a' was not declared in this scope
   15 |                 System.out.print(a[0]);
      |                                  ^
Language: C++

#include <iostream>
using namespace std;

int main(){
	int n, i, j, tmp;
	int a[];

	cin >> n;

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

	for(i=0; i<n; i++){
		for(j=i+1; j<n; j++){
			if(a[i] > a[j]){
				tmp = a[i];
				a[i] = a[j];
				a[j] = tmp;
			}
		}
	}

	for(i=0; i<n; i++){
		cout << a[i] << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: storage size of 'a' isn't known
    6 |         int a[];
      |             ^
Language: C++

#include<iostream>
using namespace std;

int main() {

  int n, i;
  int a[100];
  
  cin >> n;

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

  cout << a[n-1];
  
  for(i = n-2; i >= 0; i--) 
    cout << " " << a[i];
  }

  cout << endl;

  return 0;
  
}

Compiler output:
a.cc:21:3: error: 'cout' does not name a type
   21 |   cout << endl;
      |   ^~~~
a.cc:23:3: error: expected unqualified-id before 'return'
   23 |   return 0;
      |   ^~~~~~
a.cc:25:1: error: expected declaration before '}' token
   25 | }
      | ^
Language: C++

#include<iostream>
using namespace std;

int main(){
    int n;
    int an[100];
    cin >> n;
    for (int x = 0; x < n; x++) cin >> an[x];
    
    for (int x = n -1 ; x >= 0; x--) {
        if (x != n -1) cout << " "
        cout   << an[x];
    }
    cout << "\n";
    cout << endl;
   
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:35: error: expected ';' before 'cout'
   11 |         if (x != n -1) cout << " "
      |                                   ^
      |                                   ;
   12 |         cout   << an[x];
      |         ~~~~
Language: C++

#include<stdio.h>
int main(){
int a[1000].s,i=0;
scanf("%d"&s);
while(i<s){
scanf("%d",a[i]);
i++;
}
for(;i==-1;i--){
printf(" %d",a[i]);
}
printf("\n");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:12: error: expected initializer before '.' token
    3 | int a[1000].s,i=0;
      |            ^
a.cc:4:12: error: 's' was not declared in this scope
    4 | scanf("%d"&s);
      |            ^
a.cc:5:7: error: 'i' was not declared in this scope
    5 | while(i<s){
      |       ^
a.cc:6:12: error: 'a' was not declared in this scope
    6 | scanf("%d",a[i]);
      |            ^
a.cc:9:6: error: 'i' was not declared in this scope
    9 | for(;i==-1;i--){
      |      ^
a.cc:10:14: error: 'a' was not declared in this scope
   10 | printf(" %d",a[i]);
      |              ^
Language: C++

#include<stdio.h>
int main(){
int a[1000],s,i=0;
scanf("%d"&s);
while(i<s){
scanf("%d",a[i]);
i++;
}
for(;i==-1;i--){
printf(" %d",a[i]);
}
printf("\n");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:11: error: invalid operands of types 'const char [3]' and 'int' to binary 'operator&'
    4 | scanf("%d"&s);
      |       ~~~~^~
      |       |    |
      |       |    int
      |       const char [3]
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
  int n;
  int a[100];
  cin >> n;
  for(i=0;i<n;i++){
    cin >> a[i];
  }
  for(i=n-1;i>=0;i--){
    cout << a[i];
  }
  cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<n;i++){
      |       ^
a.cc:11:7: error: 'i' was not declared in this scope
   11 |   for(i=n-1;i>=0;i--){
      |       ^
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
  int n;
  int a[100];
  cin >> n;
  for(i=0;i<n;i++){
    cin >> a[i];
  }
  for(int i=n-1;i>=0;i--){
    cout << a[i];
  }
  cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<n;i++){
      |       ^
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
  int n;
  int a[100];
  cin >> n;
  for(int i=0;i<n;i++){
    cin >> a[i];
  }
  for(i=n-1;i>=0;i--){
    cout << a[i];
  }
  cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: 'i' was not declared in this scope
   11 |   for(i=n-1;i>=0;i--){
      |       ^
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
  int n;
  int a[100];
  cin >> n;
  for(int i=0;i<n;i++){
    cin >> a[i];
  }
  for(int j=n-1;j>=0;j--){
    if(j==n-1){
      cout << a[j]
    }else{
      cout << " " << a[j];
    }
  }
  cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:19: error: expected ';' before '}' token
   13 |       cout << a[j]
      |                   ^
      |                   ;
   14 |     }else{
      |     ~
Language: C++

#include<stdio.h>
 
int main (void)
{ 
  int n;
  scanf("%d", &n);
  int array[n];
  for(i=0, i <= n-1; i++){
  	scanf("%d", &array[i]);
  }
  for(i=n-1, i >= 2; i--){
  	printf("%d ", &array[i]);
  }
  printf("%d\n", &array[1]);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0, i <= n-1; i++){
      |       ^
a.cc:8:25: error: expected ';' before ')' token
    8 |   for(i=0, i <= n-1; i++){
      |                         ^
      |                         ;
a.cc:11:7: error: 'i' was not declared in this scope
   11 |   for(i=n-1, i >= 2; i--){
      |       ^
a.cc:11:25: error: expected ';' before ')' token
   11 |   for(i=n-1, i >= 2; i--){
      |                         ^
      |                         ;
Language: C++

include <iostream>

using namespace std;
int main()
{
	int n,number[100],i;
	cin >>n;
	for (i=0;i<n;i++){
		cin >> number[i];
		}
	for (i=n-1;i>=0;i--) {
		cout << number[i] <<" ";
	}
	cout << endl;

}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'cin' was not declared in this scope
    7 |         cin >>n;
      |         ^~~
a.cc:12:17: error: 'cout' was not declared in this scope
   12 |                 cout << number[i] <<" ";
      |                 ^~~~
a.cc:14:9: error: 'cout' was not declared in this scope
   14 |         cout << endl;
      |         ^~~~
a.cc:14:17: error: 'endl' was not declared in this scope
   14 |         cout << endl;
      |                 ^~~~
Language: C++

include<iostream>

int main()
{
    int n;

    std::cin >> n;
    int a[n];

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


    for (int i = 0; i < n; i++) {

        std::cout << a[n-i-1];

        if (i != n -1) {
            std::cout << " ";
        } else {
            std::cout << std::endl;
        }
    }
    return 0;

}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:30: error: expected '}' at end of input
   13 |         cout << a[0] << endl;
      |                              ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

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

Compiler output:
a.cc:15:9: error: 'a' does not name a type
   15 |         a[0] << endl;
      |         ^
a.cc:16:1: error: expected declaration before '}' token
   16 | }
      | ^
Language: C++

#include<stdio.h>
int main(){

  int i,array[100],a;

  scanf("%d",&a);
  for(i=;i<a;i++){
    scanf("%d",&array[i]);
  }
   for(i=;i<a;i++){
    printf("%d",&array[i]);
  }

   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: expected primary-expression before ';' token
    7 |   for(i=;i<a;i++){
      |         ^
a.cc:10:10: error: expected primary-expression before ';' token
   10 |    for(i=;i<a;i++){
      |          ^
Language: C++

#include <iostream>
#include <vector>
using namespace std;
int main(){
	vector<int>a;
	int n,x;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>x;
		a.push_back(x);
	}
	for(int i=n-1;i>=0;i--){
		
		cout<<a[i]
		if(i!=0){
			cout<<" ";
		}
	}
	cout<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:27: error: expected ';' before 'if'
   14 |                 cout<<a[i]
      |                           ^
      |                           ;
   15 |                 if(i!=0){
      |                 ~~
Language: C++

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

int main() {
    int n;
    cin >> n;
    int arr[n];
    for (int i = 0; i < n; i++) {
        cin >> arr[n];
    }
    for (int i = n; i > 0; i--) {
        cout << arr[i];
        if (i != 1) cout << " ";
    }
    count << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'count' was not declared in this scope
   16 |     count << endl;
      |     ^~~~~
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main()
{
	int n;
	vector<int> v;
	cin >> n;
	for (int i = 0; i < n; i++) {
		int x;
		cin >> x;
		v.push_back(x);
	}
	reverse(v.begin(), v.end());
	for (int i = 0; i < v.size() - 1; i++)
		cout << v[i] << " ";
	cout << v[v.size() - 1] << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: 'reverse' was not declared in this scope
   14 |         reverse(v.begin(), v.end());
      |         ^~~~~~~
Language: C++

using System;

namespace AOJ
{
    class Program
    {
        static void Main(string[] args)
        {

            var read = Console.ReadLine();
            read = Console.ReadLine();
            var temp_string = read.Split(' ');
            string ans = "";

            Array.Reverse(temp_string);

            foreach (string i in temp_string)
            {
                ans += i+" ";
            }
            ans.TrimStart(' ');
            ans.TrimEnd(' ');
            Console.WriteLine(ans);
        }
    }
}

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:7:26: error: 'string' has not been declared
    7 |         static void Main(string[] args)
      |                          ^~~~~~
a.cc:7:35: error: expected ',' or '...' before 'args'
    7 |         static void Main(string[] args)
      |                                   ^~~~
a.cc:25:6: error: expected ';' after class definition
   25 |     }
      |      ^
      |      ;
a.cc: In static member function 'static void AOJ::Program::Main(int*)':
a.cc:10:13: error: 'var' was not declared in this scope
   10 |             var read = Console.ReadLine();
      |             ^~~
a.cc:11:13: error: 'read' was not declared in this scope
   11 |             read = Console.ReadLine();
      |             ^~~~
a.cc:11:20: error: 'Console' was not declared in this scope
   11 |             read = Console.ReadLine();
      |                    ^~~~~~~
a.cc:12:17: error: expected ';' before 'temp_string'
   12 |             var temp_string = read.Split(' ');
      |                 ^~~~~~~~~~~
a.cc:13:13: error: 'string' was not declared in this scope
   13 |             string ans = "";
      |             ^~~~~~
a.cc:15:13: error: 'Array' was not declared in this scope
   15 |             Array.Reverse(temp_string);
      |             ^~~~~
a.cc:15:27: error: 'temp_string' was not declared in this scope
   15 |             Array.Reverse(temp_string);
      |                           ^~~~~~~~~~~
a.cc:17:29: error: expected ')' before 'i'
   17 |             foreach (string i in temp_string)
      |                             ^
a.cc:17:21: note: to match this '('
   17 |             foreach (string i in temp_string)
      |                     ^
a.cc:17:13: error: 'foreach' was not declared in this scope
   17 |             foreach (string i in temp_string)
      |             ^~~~~~~
a.cc:21:13: error: 'ans' was not declared in this scope
   21 |             ans.TrimStart(' ');
      |             ^~~
Language: C++

#include<iostream>
using namespace std;

int main(){
	int n,i;
	int a[100];
	
	cin >> n;
	
	for(i=0; i<n; i++){
		cin >> a[i];
	}
	
	for(i=n-1; i>=0; i--){
		if(i !=n-1){
			cout << a[i];
	}
	cout << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:2: error: expected '}' at end of input
   21 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

import java.util.Scanner;


public class Main {
	public static void main(String[] args)
	{
		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextInt();
		
		int[] a = new int[n];
		
		for(int i=0; i<n; i++)
		{
			a[i] = scanner.nextInt();
		}
		
		for(int i=0; i<n/2; i++)
		{
			int buf = a[i];
			a[i] = a[n-i-1] ;
			a[n-i-1]  = buf;
		}
		
		for(int i=0; i<n; i++)
		{
			System.out.print(a[i]+(i==n-1?"\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:4:1: error: expected unqualified-id before 'public'
    4 | public class Main {
      | ^~~~~~
Language: C++

#include<iostream>
int main(){
	int a,n,i, number[100];
	std::cin >> n;
	for (i = 0; i <= (n - 1); i++){
		std::cin >> number[i];
	}for (a=(n-1); a>-1;a--){
		std::cout << number[a];
		if (a != 0){
			std::cout << " ";
		}
	}std::cout<<"\n";
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:13:18: error: expected '}' at end of input
   13 |         return 0;
      |                  ^
a.cc:2:11: note: to match this '{'
    2 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;

int main(){
    int n, a;
    cin >> n;
    int ns[n];
    for(int i = 0; i <= n; ++i){
        cin >> a;
        ns[i] = a;
    }
    for(int j = 0; j <= n; ++j){
        if(i) cout << " ";
        cout << ns[n - j - 1];
    }
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:12: error: 'i' was not declared in this scope
   13 |         if(i) cout << " ";
      |            ^
Language: C++

#include <iostream.h>
using namespace std;

int main(){
    int n, a;
    cin >> n;
    int ns[n];
    for(int i = 0; i <= n; ++i){
        cin >> a;
        ns[i] = a;
    }
    for(int j = 0; j <= n; ++j){
        if(j > 0) cout << " ";
        cout << ns[n - j - 1];
    }
    return 0;
}

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

#include <iostream>
using namespace std;
int main(){
  int n,s;
  cin >> n;
  int num[n];
  for (int i = 0; i < n; i++) {
    cin >> s;
    num[i] = s;
  }
  for (i = n - 1; i >= 0; i--){
    cout << num[i];
    if (i > 0)cout << " ";
    else if (i == 0)cout << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: 'i' was not declared in this scope
   11 |   for (i = n - 1; i >= 0; i--){
      |        ^
Language: C++

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

int main(void) {
    int N, input;
    vector<int> intList;
    cin >> N;
    while(N-- > 0) {
        cin >> input;
        intList.push_back(input);
    }

    sort(intList.begin(), intList.end(), greater<int>());

    cout << intList[0];
    for(int i=1; i < intList.size(); i++) {
        cout << " " << intList[i];
    }
    cout << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |     sort(intList.begin(), intList.end(), greater<int>());
      |     ^~~~
      |     short
Language: C++

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

int main(void) {
    int N, input;
    vector<int> intList;
    cin >> N;
    while(N-- > 0) {
        cin >> input;
        intList.push_back(input);
    }

    std::sort(intList.begin(), intList.end(), greater<int>());

    cout << intList[0];
    for(int i=1; i < intList.size(); i++) {
        cout << " " << intList[i];
    }
    cout << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:10: error: 'sort' is not a member of 'std'; did you mean 'qsort'?
   14 |     std::sort(intList.begin(), intList.end(), greater<int>());
      |          ^~~~
      |          qsort
Language: C++

#include<cstdio>
int main(void){
innt n;
int a[1000];
scanf("%d",&n);
for(int i=0;i<n;i++){
scanf("%d",&a[i]);
}
for(int i=n-1;i>0;i++){
printf("%d ",a[i]);
}
printf("%d\n",a[0]);
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:1: error: 'innt' was not declared in this scope; did you mean 'int'?
    3 | innt n;
      | ^~~~
      | int
a.cc:5:13: error: 'n' was not declared in this scope
    5 | scanf("%d",&n);
      |             ^
Language: C++

int main()
{
	int n = 0;
	cin >> n;

	vector<int> list;
	list.reserve(n);
	for(int i = 0; i < n; i++)
	{
		cin >> list[i];
	}
	for(int i = n - 1; i >= 0; i--)
	{
		cout << list[i];
		if(i != 0){ cout << ' '; }
	}
	cout << endl;



	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: 'cin' was not declared in this scope
    4 |         cin >> n;
      |         ^~~
a.cc:6:9: error: 'vector' was not declared in this scope
    6 |         vector<int> list;
      |         ^~~~~~
a.cc:6:16: error: expected primary-expression before 'int'
    6 |         vector<int> list;
      |                ^~~
a.cc:7:9: error: 'list' was not declared in this scope
    7 |         list.reserve(n);
      |         ^~~~
a.cc:14:17: error: 'cout' was not declared in this scope
   14 |                 cout << list[i];
      |                 ^~~~
a.cc:17:9: error: 'cout' was not declared in this scope
   17 |         cout << endl;
      |         ^~~~
a.cc:17:17: error: 'endl' was not declared in this scope
   17 |         cout << endl;
      |                 ^~~~
Language: C++

#include<iostream>
using namespace std;
void main(){
  int a[100],n;
  cin>>n;
  for(int i=0;i<n;i++)
    cin >> a[i];
  for(int j=n-1;j>=0;j--){
    cout<<a[j];
    if(j!=0)
      cout<<" ";
  }
  cout<<endl;
  return ;
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:14:3: error: return-statement with no value, in function returning 'int' [-fpermissive]
   14 |   return ;
      |   ^~~~~~
Language: C++

#include <iostream>
using namespace std;

int main(int argc, char *argv[]){
	int count;
	int nums[100];
	cin >> count;
	for(int i = 0; i < count; i++){
		cin >> nums[i];
	}
	if (count > 0){
		cout << nums[count - 1];
	}

	for(int i = count - 1; i > 0; i--){
		cout << " " << nums[i - 1];
	}
	cout <<
	return 0;
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:19:9: error: expected primary-expression before 'return'
   19 |         return 0;
      |         ^~~~~~
Language: C++

using System;

class P
{
public static void Main()
{
 //????????????????????????
            int n = Int32.Parse(Console.ReadLine());
            var a = Console.ReadLine().Split(' ');

            //??°?????????????????????
            int[] array = new int [n];

            for (int i = 0; i <= n - 1 ; i++)
            {
                array[i] = Int32.Parse(a[i]);
            }

            //??°?????????????????????
            Array.Reverse(array);

            //??¨???
            for (int k = 0; k <= n - 1; k++)
            {
                if (!(k == n - 1))
                {
                    Console.Write(array[k] + " ");
                }
                else 
                {
                    Console.Write(array[k] +"\n");
                }
            }
}
}

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:5:7: error: expected ':' before 'static'
    5 | public static void Main()
      |       ^~~~~~~
      |       :
a.cc:35:2: error: expected ';' after class definition
   35 | }
      |  ^
      |  ;
a.cc: In static member function 'static void P::Main()':
a.cc:8:21: error: 'Int32' was not declared in this scope
    8 |             int n = Int32.Parse(Console.ReadLine());
      |                     ^~~~~
a.cc:8:33: error: 'Console' was not declared in this scope
    8 |             int n = Int32.Parse(Console.ReadLine());
      |                                 ^~~~~~~
a.cc:9:13: error: 'var' was not declared in this scope
    9 |             var a = Console.ReadLine().Split(' ');
      |             ^~~
a.cc:12:16: error: structured binding declaration cannot have type 'int'
   12 |             int[] array = new int [n];
      |                ^~
a.cc:12:16: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:12:16: error: empty structured binding declaration
a.cc:12:19: error: expected initializer before 'array'
   12 |             int[] array = new int [n];
      |                   ^~~~~
a.cc:16:17: error: 'array' was not declared in this scope
   16 |                 array[i] = Int32.Parse(a[i]);
      |                 ^~~~~
a.cc:16:40: error: 'a' was not declared in this scope
   16 |                 array[i] = Int32.Parse(a[i]);
      |                                        ^
a.cc:20:13: error: 'Array' was not declared in this scope
   20 |             Array.Reverse(array);
      |             ^~~~~
a.cc:20:27: error: 'array' was not declared in this scope
   20 |             Array.Reverse(array);
      |                           ^~~~~
Language: C++

#include <iostream>
using namespace std;

int main(){
	int n;
	int ar[];
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>ar[n-i];
	}
for(int i=0;i<n;i++){
cout<<ar[i];
}
cout<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: storage size of 'ar' isn't known
    6 |         int ar[];
      |             ^~
Language: C++

#include <iostream>

using namespace std;

int main(){
	int n, a[101];
	cin >> n;
	
	for(int i = 1; i < = n; i++){
		cin >> a[i];
	}
	
	for(int i = n; i >= 1; i--){
		cout << a[i];
		if(i != 1) cout <<" ";
	}
	
	cout << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:28: error: expected primary-expression before '=' token
    9 |         for(int i = 1; i < = n; i++){
      |                            ^
Language: C++

#include<iostream>
using namespace std;

int main(){
 int n;
 cin >> n;
 cin >> l[n];
 for(int i=n-1;i>=1;--i){
  cout << l[i] << " ";
 }
 cout << l[0] << endl;
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'l' was not declared in this scope
    7 |  cin >> l[n];
      |         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star;
#define P(x) cout << (x) << endl
#define p(x) cout << (x)
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define VV(type, c, m, n, i) vector<vector<type>> c(m, vector<type>(n, i));
#define rep(i,a,n) for(int i=(a), i##_len=(n); i<i##_len; ++i)
#define rrep(i,a,n) for(int i=(a); i>n; --i)
#define len(x) ((int)(x).size())
#define mp make_pair
#define eb emplace_back
typedef long long ll;
typedef vector<int> vi;
typedef vector<double> vd;
typedef vector<long long> vll;
typedef vector<string> vs;
typedef vector<bool> vb;
define dbg(v) for(auto i : v) { cout << i << " "; } cout << endl;
int main() {
	int n; cin >> n;
	vi v(n); rep(i, 0, n) cin >> v[i];
	reverse(all(v));
	dbg(v);
	return 0;
}

Compiler output:
a.cc:20:1: error: 'define' does not name a type
   20 | define dbg(v) for(auto i : v) { cout << i << " "; } cout << endl;
      | ^~~~~~
a.cc:20:53: error: 'cout' does not name a type
   20 | define dbg(v) for(auto i : v) { cout << i << " "; } cout << endl;
      |                                                     ^~~~
a.cc: In function 'int main()':
a.cc:25:9: error: 'dbg' was not declared in this scope
   25 |         dbg(v);
      |         ^~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	cin>>x;
	if(1<=x<=10000){
	cout<<x<<endl;	
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:14: error: 'x' was not declared in this scope
    5 |         cin>>x;
      |              ^
Language: C++

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

int main() {
	int n,b;
	string a;
	cin>>n>>a;
	for (b=0,b<=2*n,b=b+2){
		cout<<a[2*n-b]<<" "
	}// your code goes here
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:30: error: expected ';' before ')' token
    8 |         for (b=0,b<=2*n,b=b+2){
      |                              ^
      |                              ;
a.cc:11:1: error: expected primary-expression before '}' token
   11 | }
      | ^
a.cc:10:10: error: expected ';' before '}' token
   10 |         }// your code goes here
      |          ^
      |          ;
   11 | }
      | ~         
a.cc:11:1: error: expected primary-expression before '}' token
   11 | }
      | ^
a.cc:10:10: error: expected ')' before '}' token
   10 |         }// your code goes here
      |          ^
      |          )
   11 | }
      | ~         
a.cc:8:13: note: to match this '('
    8 |         for (b=0,b<=2*n,b=b+2){
      |             ^
a.cc:11:1: error: expected primary-expression before '}' token
   11 | }
      | ^
Language: C++

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

int main() {
	int n,b;
	string a;
	cin>>n>>a;
	for (b=0,b<=2*n,b=b+2){
		cout<<a[2*n-b]<<" ";
	}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:30: error: expected ';' before ')' token
    8 |         for (b=0,b<=2*n,b=b+2){
      |                              ^
      |                              ;
a.cc:10:10: error: expected primary-expression at end of input
   10 |         }
      |          ^
a.cc:10:10: error: expected ';' at end of input
   10 |         }
      |          ^
      |          ;
a.cc:10:10: error: expected primary-expression at end of input
a.cc:10:10: error: expected ')' at end of input
   10 |         }
      |          ^
      |          )
a.cc:8:13: note: to match this '('
    8 |         for (b=0,b<=2*n,b=b+2){
      |             ^
a.cc:10:10: error: expected statement at end of input
   10 |         }
      |          ^
a.cc:10:10: error: expected '}' at end of input
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
	int n,b;
	string a;
	cin>>n>>a;
	for (b=0,b<2*n,b=b+2){
		cout<<a[2*n-b]<<" ";
	}
	cout<<a[0]<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:29: error: expected ';' before ')' token
    8 |         for (b=0,b<2*n,b=b+2){
      |                             ^
      |                             ;
a.cc:12:1: error: expected primary-expression before '}' token
   12 | }
      | ^
a.cc:11:26: error: expected ')' before '}' token
   11 |         cout<<a[0]<<endl;
      |                          ^
      |                          )
   12 | }
      | ~                         
a.cc:8:13: note: to match this '('
    8 |         for (b=0,b<2*n,b=b+2){
      |             ^
a.cc:12:1: error: expected primary-expression before '}' token
   12 | }
      | ^
Language: C++

#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int n;
	 cin>>n;
	 int a[n];
	 for(int i=0;i<n;i++){
	 	cin>>a[i];
	 }
	 for(int i=n-1;i>n=0;i--){
	 	if(i==0){
	 		cout<<a[i]<<endl;
	 	}else{
	 		cout<<a[i]<<" ";
	 	}
	 }
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:25: error: lvalue required as left operand of assignment
   12 |          for(int i=n-1;i>n=0;i--){
      |                        ~^~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int n, i;
	cin >> n;
	int x[n];
	for (i = 0; i < n; i++){
		cin >> x[i];
	}
	for (i = n; i < 0; i--){
		if(i)printf(" ");
		printf(x[i], "%d");
	}
	printf("%n");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:27: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   13 |                 printf(x[i], "%d");
      |                        ~~~^
      |                           |
      |                           int
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 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/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
a.cc: At global scope:
a.cc:17:9: error: expected unqualified-id before 'return'
   17 |         return 0;
      |         ^~~~~~
a.cc:18:1: error: expected declaration before '}' token
   18 | }
      | ^
Language: C++

#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int n;
	cin>>n;
	int a[n];
	for(i=0;i<n;i++){
		cin>>a[i];
	}
	for(i=n-1;i>=o;i--){
		if(i==0){
			cout<<a[i]<,endl;
		}else{
			cout<<a[i]<<" ";
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:13: error: 'i' was not declared in this scope
    9 |         for(i=0;i<n;i++){
      |             ^
a.cc:12:13: error: 'i' was not declared in this scope
   12 |         for(i=n-1;i>=o;i--){
      |             ^
a.cc:12:22: error: 'o' was not declared in this scope
   12 |         for(i=n-1;i>=o;i--){
      |                      ^
a.cc:14:36: error: expected primary-expression before ',' token
   14 |                         cout<<a[i]<,endl;
      |                                    ^
Language: C++


include <iostream>
using namespace std;
 
int main() {
    // your code goes here
    int n;
    cin>>n;
    int a[n];
    for(i=0;i<n;i++){
        cin>>a[i];
    }
    for(i=n-1;i>=o;i--){
        if(i==0){
            cout<<a[i]<,endl;
        }else{
            cout<<a[i]<<" ";
        }
    }
    return 0;
}
 



 



 

Compiler output:
a.cc:2:1: error: 'include' does not name a type
    2 | include <iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:8:5: error: 'cin' was not declared in this scope
    8 |     cin>>n;
      |     ^~~
a.cc:10:9: error: 'i' was not declared in this scope
   10 |     for(i=0;i<n;i++){
      |         ^
a.cc:13:9: error: 'i' was not declared in this scope
   13 |     for(i=n-1;i>=o;i--){
      |         ^
a.cc:13:18: error: 'o' was not declared in this scope
   13 |     for(i=n-1;i>=o;i--){
      |                  ^
a.cc:15:13: error: 'cout' was not declared in this scope
   15 |             cout<<a[i]<,endl;
      |             ^~~~
a.cc:15:24: error: expected primary-expression before ',' token
   15 |             cout<<a[i]<,endl;
      |                        ^
a.cc:15:25: error: 'endl' was not declared in this scope
   15 |             cout<<a[i]<,endl;
      |                         ^~~~
a.cc:17:13: error: 'cout' was not declared in this scope
   17 |             cout<<a[i]<<" ";
      |             ^~~~
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
using namespace std;

int main(){
  int n;
  cin >> n;
  int x[n];
  for (int i = 0; i < n; i++) {
    cin >> x[i];
  }
  for (i = n -1; i >= 0; i--) {
    cout << x[i];
    if (i != 0) {
      cout << ' ';
    }
  }
  cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:8: error: 'i' was not declared in this scope
   13 |   for (i = n -1; i >= 0; i--) {
      |        ^
Language: C++

#include<stdio.h>
int main(){
    int a[100];
    int n;
    int i;
    scanf("%d", &n);
    for(i=0; i<n; i++){
        scanf("%d", &a[i]);
    }
    for(i=n-1: i>=0; i--){
        printf("%d ", a[i]);
    }
    printf("\n");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: expected ';' before ':' token
   10 |     for(i=n-1: i>=0; i--){
      |              ^
      |              ;
a.cc:10:25: error: expected ';' before ')' token
   10 |     for(i=n-1: i>=0; i--){
      |                         ^
      |                         ;
Language: C++

import java.util.Scanner;
import java.util.Collections;
import java.util.ArrayList;

public class Main {
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in); 
		
		int n = scan.nextInt();
		ArrayList<Integer> num = new ArrayList<Integer>();
		
		for(int i = 0; i < n; i++){
			num.add(scan.nextInt());
		}
		
		Collections.reverse(num);
		
		for(int i = 0; i < num.size(); i++){
			int b = num.get(i);
			System.out.print(b);
		}
		
		}
	}
	
	

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.Collections;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.util.ArrayList;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: expected unqualified-id before 'public'
    5 | public class Main {
      | ^~~~~~
Language: C++

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

int main() {
	int n; A[100];
	cin >> n;

	for (int i = 0; i < n; i++) {
		cin >> A[i];

	}

	for (int i = n - 1; i >= 0; i--) {
		if (i != n - 1)cout << " ";
		cout << A[i];
	}
	cout << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:16: error: 'A' was not declared in this scope
    6 |         int n; A[100];
      |                ^
Language: C++

#include <iostream>
using namespace std;
int main(void){
    // Here your code !
    int n;
    cin >> n;
    int[a];
    
    for(int i = 0; i < n; i++) {
        cout << a[i];
    }
    
    for(int i = 0; i < n; i++) {
        if(i < n - 1) {
            cout << a[n - i - 1] << " ";
        } else {
            cout << a[n - i - 1];
        }
    }
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: structured binding declaration cannot have type 'int'
    7 |     int[a];
      |        ^~~
a.cc:7:8: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:7:11: error: expected initializer before ';' token
    7 |     int[a];
      |           ^
Language: C++

int main()
{
	int a[1000];
	int i = 0;
	int x;
	cin>>x;
	while (i < x)
	{
		int k;
		cin>>k;
		a[i] = k;
		i++;
	}
	for (int j = i - 1; j>=0; j--)
		cout<<a[j]<<" ";
	cout<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin>>x;
      |         ^~~
a.cc:15:17: error: 'cout' was not declared in this scope
   15 |                 cout<<a[j]<<" ";
      |                 ^~~~
a.cc:16:9: error: 'cout' was not declared in this scope
   16 |         cout<<endl;
      |         ^~~~
a.cc:16:15: error: 'endl' was not declared in this scope
   16 |         cout<<endl;
      |               ^~~~
Language: C++

#include <stdio.h>

int main(void)
{
	int n;
	scanf("%d",&n);
	
	int a[100];
	for(int i = 0; i < n; i++){
		scanf("%d", &a[i]);
		
	}
	
	for(int i = 0; i < n; i++){
		printf("%d ", a[n-1-i] );
		if(i != n-1){
			printf(" ");
		}
	}
	
	printf("\n")
	

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:21: error: expected ';' before 'return'
   21 |         printf("\n")
      |                     ^
      |                     ;
......
   24 |         return 0;
      |         ~~~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int a[200];
	int n;
	cin >> n;
	for (int i = 0; i < n; i++)
	{
		cin >> a[i];
	}
	for (int i = n - 1; i >= 0; i--)
	{
		cout << a[i] << endl;
	}



	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:18:18: error: expected '}' at end of input
   18 |         return 0;
      |                  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

nclude<iostream>
using namespace std;
int main(){
	int a[110];
	int n;
	cin >> n;
	for (int i = 0; i < n; i++){
		cin >> a[i];
	}
	for (int i = n-1; i >=0; i--){
		if (i!=n-1)printf(" ");
		cout << a[i];
	}
	cout << endl;
	return 0;
}

Compiler output:
a.cc:1:1: error: 'nclude' does not name a type
    1 | nclude<iostream>
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> n;
      |         ^~~
a.cc:11:28: error: 'printf' was not declared in this scope
   11 |                 if (i!=n-1)printf(" ");
      |                            ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | nclude<iostream>
a.cc:12:17: error: 'cout' was not declared in this scope
   12 |                 cout << a[i];
      |                 ^~~~
a.cc:14:9: error: 'cout' was not declared in this scope
   14 |         cout << endl;
      |         ^~~~
a.cc:14:17: error: 'endl' was not declared in this scope
   14 |         cout << endl;
      |                 ^~~~
Language: C++

#include <stdio.h>
#include <iostream>
#include <vector>

int main() {
  int i;
  std::vector<int> n;
  while(cin >> i) {
    n.push_back(i);
  }

  int s = n.size();
  for(i = 0; i < s; i++) {
    printf("%d ", n[s - i]);
  }
  printf("\n");
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |   while(cin >> i) {
      |         ^~~
      |         std::cin
In file included from a.cc:2:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~