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

#include <iostream>
using namespace std;
int main()
{
    cout<<"Enter number n of squares.\n";
    int N;
    cin>>N;
    int *num = new int[N];
    cout<<"Enter n integers separated by a space.\n";
    int counter=0;
    for (int i=1; i<=N; i++)
    {
        cin>>num[i-1];
        if (i%2 != 0 && num[i-1]%2 != 0)
            counter++;
    }
    delete num;
    cout<<"\nNumbers of square satisfies the conditions: "<<counter<<endl;
    return 0;
}

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

import java.util.Scanner;

public class problem {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
            int n = input.nextInt();
            int []a = new int[n];
            int count = 0;
            for(int i = 0; i < n; i++){
                a[i] = input.nextInt();
                if((i%2 != 0 && a[i] % 2 !=0))
                    count++;
            }
        System.out.println(count);

    }
}


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

#include <iostream>
#include<iomanip>
#include<cmath>
#include<algorithm>
#include<string>
using namespace std;
int main()
{
int n,num,cnt=0;
cin>>n;
for(int i=0; i<n; i++){
    cin>>num;

    if( num%2==1 && i%2==1 ){
        cnt++;
    }
}
cout<<cnt<<endl;
}



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


#include <iostream>
using namespace std;
 int main()
   {
     int N,s=0;
     cin>>N;
     int a[N];
     for(int i=1;i<=N;i++)
        {
          cin>>a[i];
          if(a[i]%2!=0&&i%2!=0)
            {
              s++;
            }
        }
       cout<<s<<endl ;
       delete a;
   ,}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:15: warning: deleting array 'a'
   18 |        delete a;
      |               ^
a.cc:19:4: error: expected primary-expression before ',' token
   19 |    ,}
      |    ^
a.cc:19:5: error: expected primary-expression before '}' token
   19 |    ,}
      |     ^
Language: C++

using namespace std;
int main()
{
	int n, m = 0;
	cin >> n;
	string arr;
	cin >> arr;

	for (int i = 1; i <= n; i+=3) {
		if (arr[i] % 2 != 0)
			m++;
	}
	cout << m;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin >> n;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:9: error: 'string' was not declared in this scope
    6 |         string arr;
      |         ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | using namespace std;
a.cc:7:16: error: 'arr' was not declared in this scope
    7 |         cin >> arr;
      |                ^~~
a.cc:13:9: error: 'cout' was not declared in this scope
   13 |         cout << m;
      |         ^~~~
a.cc:13:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <iostream>
using namespace std;

int main()
{
    int N, count = 0;
    int a[100];
    cin >> N;
    for (int i = 0; i < N; i++) {
        cin >> a[i];
    }
    if(a[0]%2!=0){count+=1}
    for (int i = 2; i =N; i++) {

        if (i % 2 != 0 && a[i] % 2 != 0) {

            count += 1;
        }


    }
    cout << count;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:27: error: expected ';' before '}' token
   12 |     if(a[0]%2!=0){count+=1}
      |                           ^
      |                           ;
Language: C++

#include <iostream>
using namespace std;
int main()
{
	int l = 0 , t=1 ;
	int z ;
	cin >> z;
	int N[z];
	for (int i = 0; i < z; i++)
	{
		cin >> N[i];
		if (x % 2 != 0 && N[i] % 2 != 0)
		{
			l++;
			
		}
x++;
	}
	cout << l << endl;
return 0 ; 

}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:21: error: 'x' was not declared in this scope
   12 |                 if (x % 2 != 0 && N[i] % 2 != 0)
      |                     ^
a.cc:17:1: error: 'x' was not declared in this scope
   17 | x++;
      | ^
Language: C++

#include <iostream>
using namespace std;
int main()
{
	int c = 0 , t=1 ;
	int z ;
	cin >> z;
	int N[z];
	for (int i = 0; i < z; i++)
	{
		cin >> N[i];
		if (t % 2 != 0 && N[i] % 2 != 0)
		{
			c++;
			
		}
t++
	}

	cout << c << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:4: error: expected ';' before '}' token
   17 | t++
      |    ^
      |    ;
   18 |         }
      |         ~
Language: C++

#include <iostream>
using namespace std;
int main()
{
	int c = 0 , t=1 ;
	int z ;
	cin >> z;
	int N[z];
	for (int i = 0; i < z; i++)
	{
		cin >> N[i];
		if (t % 2 != 0 && N[i] % 2 != 0)
		{
			c++;
			t++;
		}
	}
	cout << c << endl;

}
return 0 ; 
}

Compiler output:
a.cc:21:1: error: expected unqualified-id before 'return'
   21 | return 0 ;
      | ^~~~~~
a.cc:22:1: error: expected declaration before '}' token
   22 | }
      | ^
Language: C++

#include <iostream>
using namespace std;
int main()
{
	int count = 0 , k=1 ;
	int z ;
	cin >> z;
	int N[z];
	for (int i = 0; i < z; i++)
	{
		cin >> N[i];
		if (k% 2 != 0 && N[i] % 2 != 0)
		{
			count++;
			
		}
		k++;
	}
	cout <<k << endl;
return0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:1: error: 'return0' was not declared in this scope
   20 | return0;
      | ^~~~~~~
Language: C++

#include <iostream>
using namespace std;
int main()
{
	int n,j=1,c=0;
	
	cin >>n;
	for (int i = 0; i < n; i++)
	{
		cin >>a[i];
		if (a[i] % 2 != 0 && j % 2 != 0)
		{
			c++;
j++ 
		}
	}
	cout << c << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:23: error: 'a' was not declared in this scope
   10 |                 cin >>a[i];
      |                       ^
a.cc:14:4: error: expected ';' before '}' token
   14 | j++
      |    ^
      |    ;
   15 |                 }
      |                 ~
Language: C

#include <iostream>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;


const int MAX = 150001;  
int main(){
    int n;
    cin >> n;
    int ans = 0;
    for (int i = 0; i < n; ++i){
        int x; cin >> x;
        if (i%2==1 && x%2==1) ans++;
    }
    cout << ans;
       
}

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

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

typedef long long ll;
typedef unsigned long long ull;


const int MAX = 150001;  
int main(){
    int n;
    cin >> n;
    int ans = 0;
    for (int i = 0; i < n; ++i){
        int x; cin >> x;
        if (i%2==1 && x%2==1) ans++;
    }
    cout << ans;
       
}

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

import java.util.Scanner;

public class Ahmed {

    public static void main(String[] args) {
        Scanner read = new Scanner(System.in);
        int count=0;
        int n = read.nextInt();
        for (int i = 1; i <= n; i++)
        {
            int k = read.nextInt();
            if(i%2==1 && k%2==1)
            {
                count++;
            }
        }
        System.out.println(count);

    }
}

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

#include <iostream>
 using namespace std;
int main(){
  int N
  cin >>N;
  int ans;
  ans = 0;
  for(int i=1;i<=N;i++){
    int p;
    cin >> p;
    if(i%2==1 && p%2==1){
      ans++;
    }
  }
  cout << ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: expected initializer before 'cin'
    5 |   cin >>N;
      |   ^~~
a.cc:8:18: error: 'N' was not declared in this scope
    8 |   for(int i=1;i<=N;i++){
      |                  ^
Language: C++

#include <iostream>
 using namespace std;
int main(){
  int N
  cin >>N;
  int ans;
  ans = 0;
  for(int i=0;i<N;i++){
    int p;
    cin >> p;
    if(i%2==1 && p%2==1){
      ans++;
    }
  }
  cout << ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: expected initializer before 'cin'
    5 |   cin >>N;
      |   ^~~
a.cc:8:17: error: 'N' was not declared in this scope
    8 |   for(int i=0;i<N;i++){
      |                 ^
Language: C++

//atcoder alsing

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

int main(){
    int n; int count = 0;
    cin>>n;
    vector<int>a(n);
    for(int i =0; i<n; ++i){
        cin>>a[i];
        for(int i =1; i<=n; i+=2){
            if(a[i]%2==0){
                count+ = 1;

            }
        }
    }

    cout<<count;
    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:24: error: expected primary-expression before '=' token
   14 |                 count+ = 1;
      |                        ^
Language: C++

//atcoder alsing

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

int main(){
    int n; int count = 0;
    cin>>n;
    vector<int>a[i];
    for(int i =0; i<n; ++i){
        cin>>a[i];
        for(int i =1; i<=n; i+=2){
            if(a[i]%2==0){
                count++;

            }
        }
    }

    cout<<count;
    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: 'i' was not declared in this scope
    9 |     vector<int>a[i];
      |                  ^
a.cc:11:14: error: 'a' was not declared in this scope
   11 |         cin>>a[i];
      |              ^
Language: C++

int main()
{
int n,t=0;
cin>>n;
  int a[n];
  for(int i=0;i<n;i++)
    cin>>a[i];
  for(int i=0;i<n;i++)
{
  if(i%2==0&&a[i]%2==1)
  t++;
  }
  cout<<t;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:1: error: 'cin' was not declared in this scope
    4 | cin>>n;
      | ^~~
a.cc:13:3: error: 'cout' was not declared in this scope
   13 |   cout<<t;
      |   ^~~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
int n;
cin>>n;
  int a[n];
  for(int i=0;i<n;i++)
    cin>>a[i];
  for(int i=0;i<n;i++)
{
  if(i%2==0&&a[i]%2==1)
  t++;
  }
  cout<<t;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 't' was not declared in this scope
   13 |   t++;
      |   ^
a.cc:15:9: error: 't' was not declared in this scope
   15 |   cout<<t;
      |         ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
int n;
cin>>n;
  int a[n];
for(int i=0;i<n;i++)
{
  if(i%2==0&&a[i]%2==1)
  t++;
  }
  cout<<t;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 't' was not declared in this scope
   11 |   t++;
      |   ^
a.cc:13:9: error: 't' was not declared in this scope
   13 |   cout<<t;
      |         ^
Language: C++

#include<iostream>
using namespace std;

int main(){
    int N;
    cin >> N;
    
    vector <int> vec(N+1);

    for(int i=1;i<=N;i++){
        cin >> vec[i];
    }

    int count = 0;
    for(int i=1;i<=N;i++){
        if(i%2 == 1 && vec[i]%2 == 1)
        count++;
    }
    cout << count << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'vector' was not declared in this scope
    8 |     vector <int> vec(N+1);
      |     ^~~~~~
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:8:13: error: expected primary-expression before 'int'
    8 |     vector <int> vec(N+1);
      |             ^~~
a.cc:11:16: error: 'vec' was not declared in this scope
   11 |         cin >> vec[i];
      |                ^~~
a.cc:16:24: error: 'vec' was not declared in this scope
   16 |         if(i%2 == 1 && vec[i]%2 == 1)
      |                        ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
#define pb push_back
#define rsz resize
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
using pi = pair<int,int>;
#define ff first
#define ss second

void setIO(string name = "") { // name is nonempty for USACO file I/O
    ios_base::sync_with_stdio(0); cin.tie(0); // see Fast Input & Output
    freopen((name+".in").c_str(), "r", stdin); // see Input & Output
    freopen((name+".out").c_str(), "w", stdout);
}
// the code that we provide requires everything above this line to compile



int main() {
	int n;cin>>n;
  	int cnt = 0;
  	for(int i = 1; i <= n; ++i){
    	int x;cin>>x;
      	cnt += ((x&1) && i&1));
    }
  	cout<<cnt<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:30: error: expected ';' before ')' token
   27 |         cnt += ((x&1) && i&1));
      |                              ^
      |                              ;
Language: C++

#include<iostream>
using namepsace std;
int main(){
  int n,ans=0;
  cin>>n;
  for(int i=0;i<n;++i){
    int x;
    cin>>x;
    if(x%2==1&&i%2==0)
      ans++;
  }
  cout<<ans;
}


Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namepsace'
    2 | using namepsace std;
      |       ^~~~~~~~~
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>>n;
      |   ^~~
      |   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:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   cout<<ans;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include<iostream>
using namepsace std;
int main(){
  int n;
  cin>>n;
  for(int i=0;i<n;++i){
    int x;
    cin>>x;
    if(x%2==1&&i%2==0)
      ans++;
  }
  cout<<ans;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namepsace'
    2 | using namepsace std;
      |       ^~~~~~~~~
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>>n;
      |   ^~~
      |   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:10:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   10 |       ans++;
      |       ^~~
      |       abs
a.cc:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   cout<<ans;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   12 |   cout<<ans;
      |         ^~~
      |         abs
Language: C++

#include<iostream>
using namespace std;

int main()
{
  int n;
  cin >> n;
  int ar[n];
  for(int i=1;i<=n;i++)
  {
    cin >> ar[i];
  }
  
  for(int i=1;i<=n;i++)\
  {
    if((i%2!=0) && (ar[i]%2!=0))
      c++;
  }
  
  cout << c;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:7: error: 'c' was not declared in this scope
   17 |       c++;
      |       ^
a.cc:20:11: error: 'c' was not declared in this scope
   20 |   cout << c;
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main()
{
  int n;
  cin >> n;
  int ar[n+1];
  for(int i=1;i<=n;i++)
  {
    cin >> ar[i];
  }
  
  for(int i=1;i<=n;i++)\
  {
    if((i%2!=0) && (ar[i]%2!=0))
      c++;
  }
  
  cout << c;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:7: error: 'c' was not declared in this scope
   17 |       c++;
      |       ^
a.cc:20:11: error: 'c' was not declared in this scope
   20 |   cout << c;
      |           ^
Language: C

#include<bits/stdc++.h>
using namespace std;
int main(){

    int n,g,i,j,t,k,res,ans=0;
    cin >> n;
    for(i=1;i<=n;i++) {
        cin >> res;
        if(i%2==1 and res%2==1) ans++;
    }
    cout << ans;
}


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

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,c=0;
  cin>>n;
 for(int i=0;i<n;i++){
   cin>>arr[i];
 }for(int i=1;i<n;i=i+2){
   if(arr[i]%2!=0)
     c++;
 }cout<<c;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'arr' was not declared in this scope
    7 |    cin>>arr[i];
      |         ^~~
a.cc:9:7: error: 'arr' was not declared in this scope
    9 |    if(arr[i]%2!=0)
      |       ^~~
Language: C++

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

int main() {
	int n;
  	cin >> n;
  	int r = 0;
  	for (int i = 1; i <= n; i++) {
     	int x;
      	cin >> x;
      	if ((x & 1) && (i & 1))
        	r++;
    }
  	cout << r;
}

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

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
const int N=105;
inline int read()
{
	int x=0,t=1;char ch=getchar();
	while((ch<'0'||ch>'9')&&ch!='-')ch=getchar();
	if(ch=='-')t=-1,ch=getchar();
	while(ch>='0'&&ch<='9')x=x*10+ch-48,ch=getchar();
	return x*t;
}
int arr[N];
int main()
{
	register int n=read();
	for(register int i=0;i<n;i++)
		arr[i]=read();
	register int cnt=0;
	for(register int i=0;i<n;i++)
		if((i+1)%2!=0&&arr[i]%2!=0) cnt++;
	printf("%d\n",cnt);
	return 0;
}

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

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

int main(){
  int N;cin>>N;
  vector<int> A(N);
  int ans=0;
  for(int i=0;i<N;i++){
    cin>>A.at(i);
    if(!(i+1)*A.at(i)%2)){
      ans++;
    }
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:25: error: expected primary-expression before ')' token
   10 |     if(!(i+1)*A.at(i)%2)){
      |                         ^
Language: C++

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

int main()
{
  int N;
  cin >> N;
  
  int a, cnt=0;a
  for(int i=1; i<=N; i++)
  {
    cin >> a;
    if (i % 2 && a % 2) cnt++;
  }

  cout << cnt << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:17: error: expected ';' before 'for'
   10 |   int a, cnt=0;a
      |                 ^
      |                 ;
   11 |   for(int i=1; i<=N; i++)
      |   ~~~            
a.cc:11:16: error: 'i' was not declared in this scope
   11 |   for(int i=1; i<=N; i++)
      |                ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
#define ll long long
#define db long double
#define all(a) a.begin(),a.end()
#define f(i,l,u) for(ll i=l;i<u;i++)
#define lb lower_bound
#define ub upper_bound
#define pb push_back

int main() {
ll s=0;
ll n;
cin>>n;
f(i,1,n+1)
{
    ll x;
    cin>>x;
    if(i%2&&x%2)
    s++;
}
cout<<sum<<endl;
    
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:7: error: 'sum' was not declared in this scope
   23 | cout<<sum<<endl;
      |       ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;
#define ll long long
#define db long double
#define all(a) a.begin(),a.end()
#define f(i,l,u) for(ll i=l;i<u;i++)
#define lb lower_bound
#define ub upper_bound
#define pb push_back

int main() {
ll s=0;
ll n;
cin>>n;
f(i,1,n+1)
{
    ll x;
    cin>>x;
    if(i%2&&x%2)
    sum++;
}
cout<<sum<<endl;
    
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:5: error: 'sum' was not declared in this scope
   21 |     sum++;
      |     ^~~
a.cc:23:7: error: 'sum' was not declared in this scope
   23 | cout<<sum<<endl;
      |       ^~~
Language: C

#include<stdio.h>

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

Compiler output:
main.c: In function 'main':
main.c:7:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    7 |   scanf("%d",a);
      |   ^~~~~
main.c:8:18: error: expected ';' before ')' token
    8 |   for(i=0;i<a+i++){
      |                  ^
      |                  ;
main.c:9:17: error: 'n' undeclared (first use in this function)
    9 |     scanf("%d",&n[i]);
      |                 ^
main.c:9:17: note: each undeclared identifier is reported only once for each function it appears in
Language: Java

import java.util.*;

class Main {
  public static void main (String[] args) {
    Scanner sc = new Scanner(System.in));
    int n = Integer.parseInt(sc.next());
    int[] a = new int[n];
    for (int i=0; i<n; i++) {
      a[i] = Integer.parseInt(sc.next());
    }
    
    int count=0;
    for (int i=0; 1+(i*2)<n; i++) {
      if (a[i]%2 == 1) count++;
    }
    System.out.println(count);
  }
}

Compiler output:
Main.java:5: error: ';' expected
    Scanner sc = new Scanner(System.in));
                                       ^
1 error
Language: C++

int main()
#define int long long
{
	int t;
	t=1;
  	//cin>>t;
	while(t--){
      int n,ans=0,k;
		cin>>n;
          
          for(int i=0;i<n;i++){
            
            cin>>k;
            if(i%2==0 && k%2==1)
              ans++;
          }
      cout<<ans;
		

	}
	return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: 'cin' was not declared in this scope
    9 |                 cin>>n;
      |                 ^~~
a.cc:17:7: error: 'cout' was not declared in this scope
   17 |       cout<<ans;
      |       ^~~~
Language: C++

#include <iostream>

int main() {
  it n;
  std::cin >> n;
  int res = 0;
  for (int i = 0; i < n; ++i) {
    int x;
    std::cin >> x;
    if ((i+1)*x%2 == 1) {
      res += 1;
    }
  }
  std::cout << res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'it' was not declared in this scope; did you mean 'int'?
    4 |   it n;
      |   ^~
      |   int
a.cc:5:15: error: 'n' was not declared in this scope
    5 |   std::cin >> n;
      |               ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int n;
  cin>>n;
  int res=0;
  for(int i=1;i<=n;i++)
  {
    int k;
    cin>>k
      if(k%2==1&&i%2==1)
        res++;
  }
  cout<<res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:11: error: expected ';' before 'if'
   11 |     cin>>k
      |           ^
      |           ;
   12 |       if(k%2==1&&i%2==1)
      |       ~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int n;
  cin>>n;
  int res=0;
  for(int i=1;i<=n;i++)
  {
    int k;
    cin>>k
      if(k%2==1&&i%2==1)
        res++;
  }
  cin>>res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:11: error: expected ';' before 'if'
   11 |     cin>>k
      |           ^
      |           ;
   12 |       if(k%2==1&&i%2==1)
      |       ~~
Language: C++

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

int main() {
  int N;
  cin >> N;
  vector<int> list(N);
  for (int i = 0; i < N; i++) {
    cin >> list.at(i);
  }
  
  int ans = 0;
  for(int j = 0; j < N; j++) {
    if (j % 2 == 0 && list.at(j) % 2 == 1) {
      ans ++
    }
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: expected ';' before '}' token
   15 |       ans ++
      |             ^
      |             ;
   16 |     }
      |     ~
Language: C++

//--------------------------------------------------------------------------------
// Code By:
//					######                  #               ######
//					##   #                  #               #
//					#####      ##       #####      ##       #   ###
//					##   #              #   #               #   # #
//					##    #	            #####               ##### #
//---------------------------------------------------------------------------------

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

                             /* ----------------------------- START of Template ---------------*/
#define ll long long int
#define FOR(x,to) for(x=0;x<(to);x++)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define rep(i,a,b) for(ll i=a;i<b;++i)
#define repd(i,a,b) for(ll i=a;i>=b;--i)
#define mp make_pair
#define hell 1000000007
#define vvll vector<vector<long long int> >
#define vll vector<long long int>
#define MINUS(a) memset(a,0xff,sizeof(a))
#define SZ(X) ((int)(X).size())
#define REP(I, N) for (int I = 0; I < (N); ++I)
#define REPP(I, A, B) for (int I = (A); I < (B); ++I)
#define FORS(I, S) for (int I = 0; S[I]; ++I)
#define RS(X) scanf("%s", (X))
#define MP make_pair
#define PB push_back
#define MS0(X) memset((X), 0, sizeof((X)))
#define MS1(X) memset((X), -1, sizeof((X)))
#define LEN(X) strlen(X)
#define F first
#define S second

void getZarr(string str, vll &Z)
{
    ll n = str.length();
    ll L, R, k;
    L = R = 0;
    for (ll i = 1; i < n; ++i)
    {
        if (i > R)
        {
            L = R = i;
            while (R<n && str[R-L] == str[R])
                R++;
            Z[i] = R-L;
            R--;
        }
        else
        {
            k = i-L;
            if (Z[k] < R-i+1)
                Z[i] = Z[k];
            else
            {
                L = i;
                while (R<n && str[R-L] == str[R])
                    R++;
                Z[i] = R-L;
                R--;
   } } }}
vector<ll>isprime;
void seive(ll size){
	isprime.resize(size+1,1);
	ll i,j;
	isprime[0]=0;
	isprime[1]=0;
	for(i=2;i*i<=size;i++){
		if(isprime[i]){
			for(j=2;j*i<=size;j++)isprime[i*j]=0;
		}
	}
}
ll power(ll x,unsigned ll y, ll m){
	if(y==0)return 1;
	ll p=power(x,y/2,m);
	p=(p*p)%m;
	if(y%2!=0)p=(p*x)%m;
	return p;
}
ll modinverse(ll a,ll m){
	return power(a,m-2,m);
}


                       /* ----------------------          End Of Template --------------------------------*/

ll findans(){
	ll n,ans=0;
	cin>>n;
	vll v(n);
	for(i=0;i<n;i++){
		cin>>v[i];
		if(i%2==0&&v[i]%2!=0)ans++;
	}
	cout<<ans<<endl;
	return 0;



}

int main(){
	ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
	ll t,i;
	//cin>>t;
    t=1;
	for(i=0;i<t;i++){
		findans();
	}
return 0;
}






Compiler output:
a.cc: In function 'long long int findans()':
a.cc:96:13: error: 'i' was not declared in this scope
   96 |         for(i=0;i<n;i++){
      |             ^
Language: C

#include <stdio.h>

int main (void){
  int p;
  scanf("%d", &p);
  int a[p];
  int k= 0;
  for(int i = 0;i<p;i++){
    scanf("%d", &a[i]);
    if(i%2=1 && a[i]%2=1){
      k++;
    }
  }
  printf("%d\n", k);

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:10:23: error: lvalue required as left operand of assignment
   10 |     if(i%2=1 && a[i]%2=1){
      |                       ^
Language: C++

#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define se second
#define fi first
#define ll long long
#define INF INT_MAX
#define mod 1000000007
#define chutiyaap ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
using namespace std;
ll pw(ll a, ll b) {
    if (b == 0) return 1;
    ll t = pw(a, b / 2);
    if (b % 2 == 0) return (t * t)%mod;
    else return ((t * t)%mod * a)%mod;
}
int main()
{
	int n,cnt=0;cin>>n;
	int a[n+1];
	for(int i=0=;i<n;i++)
	{
		cin>>a[i];
		if(i%2==0&&a[i]%2==1)cnt++;
	}
	cout<<cnt;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:21: error: expected primary-expression before ';' token
   21 |         for(int i=0=;i<n;i++)
      |                     ^
Language: C

#include <iostream>
using namespace std;

int main(){
    int n;
    int total=0;
    cin >> n;
    int arr[n];
    for(int i=0;i<n;i++){
        cin >> arr[i];
    }for(int i=1;i<n;i+=2){
        if(arr[i]%2==1){
            total+=1;
        }
    }cout << total << endl;
}



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

#include<stdio.h>

int main(void) {
  int N, ret=0, tmp;
  scanf("%d", &N);
  if (N&1) {
    N>>=1;
    while(N--) {
      scanf("%d%*d", &tmp);
      ret += (bool)(tmp&1);
    }
    scanf("%d", &tmp);
    ret += (bool)(tmp&1);
  } else {
    N>>=1;
    while(N--) {
      scanf("%*d%d", &tmp);
      ret += (bool)(tmp&1);
    }
  }
  printf("%d\n", ret);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:15: error: 'bool' undeclared (first use in this function)
   10 |       ret += (bool)(tmp&1);
      |               ^~~~
main.c:2:1: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include<stdio.h>
  +++ |+#include <stdbool.h>
    2 | 
main.c:10:15: note: each undeclared identifier is reported only once for each function it appears in
   10 |       ret += (bool)(tmp&1);
      |               ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int main(){
	int n;
	cin >> n;
	int a[n + 1];
	for(int i = 1; i <= n; i++){
		cin >> a[i];
	}
	int sol = 0;
	for(int i = 1; i <= n; i += 2){
		if(a[i] % 2) sol++;
	}
	cout << sol < <'\n';
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:23: error: expected primary-expression before '<' token
   18 |         cout << sol < <'\n';
      |                       ^
Language: C++

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

int main(void) {
  int N;
  vector<int>a;
  cin>>N;
  for(int i=0;i<=N;i++){
    cin>>a.at(i);
  }
  int m=0;
for(int i=0;i<=N;i++){
  if(i%2==1&&a.at(i)%2==1){
    m++;}
cout<<m<<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:10: error: expected primary-expression before '<' token
   15 | cout<<m<<<endl;
      |          ^
a.cc:17:2: error: expected '}' at end of input
   17 | }
      |  ^
a.cc:4:16: note: to match this '{'
    4 | int main(void) {
      |                ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  vector<int> vec(N);
  int a;
  for (int i = 0; i < N; i++) {
    cin >> a;
    vec.at(i) = a;
  }
  int counter = 0;
  for (int i = 0; i < N; i++) {
    if (i % 2 == 0 && vec.at(i) % 2 == 1)
    counter++:
  }
  cout << counter << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: expected ';' before ':' token
   16 |     counter++:
      |              ^
      |              ;
Language: C++

#include<iostream>

using namespace std;

void  test_case()
{
int n,temp,cnt=0;
cin>>n;
for(int i=1;i<=n;++i)
{
cin>>temp;
if(i%2&&x%2)
cnt++;
}
cout<<cnt<<"\n";
}
int main()
{
int tc=1;
//cin>>tc;
while(tc--)
{
test_case();
}
return 0;
}

Compiler output:
a.cc: In function 'void test_case()':
a.cc:12:9: error: 'x' was not declared in this scope
   12 | if(i%2&&x%2)
      |         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr long long MOD = 1000000007;
constexpr long long INF = 1LL << 60;
const long double PI = acosl(-1.0);
constexpr long double EPS = 1e-11;
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
int main(){
    ll n;
    cin >> n;
    ll a[n];
    ll cnt = 0;
    for (ll i = 0; i < n;i++){
        cin >> a[i];
        if (i & 1 and a[i] & 1) cnt++;
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   31 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;cin>>n;
  vector<int >nos(n+1,0);
  for(int i=1;i=<n;i++)cin>>nos[i];
  int count=0;
  for(int i=1;i<=n;i++)if(i%2!=0 && nos[i]%2!=0)count++;
  cout<<count;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:17: error: expected primary-expression before '<' token
    6 |   for(int i=1;i=<n;i++)cin>>nos[i];
      |                 ^
Language: C

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

int main() {
  int N, a;
  cin >> N;

  int ans = 0;

  for(int i = 1; i <= N; i++){
    cin >> a;
    if(i%2 == 1){
      if(a%2 == 1){
      ans++;
      }
    }
  }

  cout << ans << endl;

}

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


import java.util.*;

public class Main{
  
  
  public static void main(String[] args)
  {
    Scanner sc = new Scanner();
    int N = sc.nextInt();
    List<Integer> list = ArrayList<Integer>();
    
    for(int i = 0; i < N; i++)
    {
      if(i % 2 == 1)
      {
      	list.add(sc.nextInt());
      }
    }
    
    int s = list.stream.filter(v -> v % 2 == 1).count();
    
    System.out.println(s);
    
  }
  
}

Compiler output:
Main.java:11: error: -> expected
    List<Integer> list = ArrayList<Integer>();
                                             ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std
  
int main(void)
  {
  int n;
  cin>>n;
  int ar[n+1];
  int count=0;
  for(int i=1;i<=n;i++)
    {
    cin>>ar[i];
    if(i&1&&ar[i]&1)
      count++;
    }
  cout<<count;

  return 0;
 }


Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | 
    4 | int main(void)
      | ~~~
Language: C++

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

//! snippet-holder
//! use io, root

int main() {
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(cin.failbit);

	int n; read(n);
	vector<int> v(n + 1);
	rep(i, 1, n + 1) read(v[i]);
	int a = 0;
	rep(i, 1, n + 1) if (i % 2 == 1 && v[i] % 2 == 1) a++;
	write(a);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: too few arguments to function 'ssize_t read(int, void*, size_t)'
   11 |         int n; read(n);
      |                ~~~~^~~
In file included from /usr/include/x86_64-linux-gnu/bits/sigstksz.h:24,
                 from /usr/include/signal.h:328,
                 from /usr/include/c++/14/csignal:42,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:116,
                 from a.cc:1:
/usr/include/unistd.h:371:16: note: declared here
  371 | extern ssize_t read (int __fd, void *__buf, size_t __nbytes) __wur
      |                ^~~~
a.cc:13:13: error: 'i' was not declared in this scope
   13 |         rep(i, 1, n + 1) read(v[i]);
      |             ^
a.cc:13:9: error: 'rep' was not declared in this scope
   13 |         rep(i, 1, n + 1) read(v[i]);
      |         ^~~
a.cc:16:14: error: too few arguments to function 'ssize_t write(int, const void*, size_t)'
   16 |         write(a);
      |         ~~~~~^~~
/usr/include/unistd.h:378:16: note: declared here
  378 | extern ssize_t write (int __fd, const void *__buf, size_t __n) __wur
      |                ^~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
  cin>>N;
  vector<int> arr(N);
  for(int i=0;i<N;i++)  cin >> arr[i];
  int cnt=0;
  for(int i=0;i<N;i++){
    if(arr[i]%2==1 && i %2 ==0) cnt++
  }
  cout << cnt << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: 'N' was not declared in this scope
    6 |   cin>>N;
      |        ^
a.cc:11:38: error: expected ';' before '}' token
   11 |     if(arr[i]%2==1 && i %2 ==0) cnt++
      |                                      ^
      |                                      ;
   12 |   }
      |   ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
 int main(){
int n; cin>>n;
   int a[n];
   for(int i=0;i<n;i++) cin>>a[i];
   
   int ans=0;
   for(int i=0;i<n;i+=2)
   {
	if(a[i]%2!=0) ans++;
   }
   cout<<ans<<endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:13:20: error: expected '}' at end of input
   13 |    cout<<ans<<endl;
      |                    ^
a.cc:3:12: note: to match this '{'
    3 |  int main(){
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespacen std;
 int main(){
int n; cin>>n;
   int a[n];
   for(int i=0;i<n;i++) cin>>a[i];
   
   int ans=0;
   for(int i=0;i<n;i+=2)
   {
	if(a[i]%2==1) ans+=1;
   }
   cout<<ans<<endl;

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespacen'
    2 | using namespacen std;
      |       ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:4:8: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 | int n; 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:13:4: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   13 |    cout<<ans<<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:13:15: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   13 |    cout<<ans<<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:13:20: error: expected '}' at end of input
   13 |    cout<<ans<<endl;
      |                    ^
a.cc:3:12: note: to match this '{'
    3 |  int main(){
      |            ^
Language: C

#include <stdio.h>
#include <cmath>
int judge(int n){
 return n%2;
}
int main(){
 int n;
 scanf("%d",&n);
 int cnt = 0;
 for(int i=0;i<n;i++){
  int t;
  scanf("%d",&t);
  if(judge(i+1)&&judge(t)){
   cnt++;
  }
 }
 printf("%d",cnt);
}

Compiler output:
main.c:2:10: fatal error: cmath: No such file or directory
    2 | #include <cmath>
      |          ^~~~~~~
compilation terminated.
Language: C

#include <stdio.h>
#include <cmath>
int js(int n){
	return n%2;
}
int main(){
	int n;
	scanf("%d",&n);
	int cnt = 0;
	for(int i=0;i<n;i++){
		int t;
		scanf("%d",&t);
		if(js(i+1)&&js(t)){
			cnt++;
		}
	}
	printf("%d",cnt);
}

Compiler output:
main.c:2:10: fatal error: cmath: No such file or directory
    2 | #include <cmath>
      |          ^~~~~~~
compilation terminated.
Language: C

#include <iostream>
#include <string>
#include <stdio.h>
#include <algorithm>
#include <vector>
#include <float.h>
#include <stdlib.h>
#include <functional>
#include <limits>
#include <numeric>
#include <type_traits>
#include <queue>
#include <fstream>
#include <bitset>
#include <cmath>
using namespace std;
#define _GLIBCXX_DEBUG
#define rep(i, n) for (int i = 0; i <= (int)(n); i++)
#define sort1(v) sort(v.begin(),v.end())
#define reverse(v) reverse(v.begin(),v.end())
#define all(v) v.begin(),v.end()
typedef long long ll;
typedef pair<int,int> p;
bool paircom (pair<int,int> p,pair<int,int> q){
return p.second<q.second;
}

void count(vector<int> v,vector<int>& ans){
    sort1(v);
    int n=v.size();
  int k=1;
  int i=1;
  bool bl=true;
    while(true){
    while(bl){
        if(v[i-1]==v[i]){
        k++;    
      }else{
          bl=false;
      }
      i++;
      }
      ans.push_back(k);
      if(i>=(n-1))break;
      k=1;
      bl=true;
    }
    }




int main() {
 int n,m,ans;
 ans=0;
 cin >> n;
 vector<int> a(n);
 for(int i=0;i<n;i++){
     cin >> a[i];
if(i%2==0 && a[i]%2==1)ans++;
 } 
 cout << ans;


}
    

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

#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>

using namespace std;

int main() {
	int N; 
	cin >> N;

	for (int i = 0; i) {}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:26: error: expected ';' before ')' token
   12 |         for (int i = 0; i) {}
      |                          ^
      |                          ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N,result=0;
  cin>>N;
  vector<int> a(N);
  for(int i=0;i<l;i++){
    cin>>a.at(i);
    if(a.at(i)%2!=0&&i%2!=0){
    	result++;
    }
  }
  cout<<result<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'l' was not declared in this scope
    8 |   for(int i=0;i<l;i++){
      |                 ^
Language: C++

n = int(input())
a = list(map(int, input().split()))

result = 0

for i in range(n):
    if (i+1)%2 == 0 and a[i]%2 != 0:
        result +=1
print(result)

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n = int(input())
      | ^
Language: C++

            // header {{{
            #include <bits/stdc++.h>
            using namespace std;
                         
            void solve() {
                int n;
                cin >> n;
                // vector<int> vec(n);
                int k;
                int cnt;
                for (int i = 0; i < n; i++) {
                  // cin >> vec.at(i);
                  cin >> k;
                  if ( (i+1) % 2 == 0) && ( k % 2 == 0) ) cnt++;
                }
            	cout << cnt << "\n" << endl;
                // cout << ans << "\n";
            }
             
            signed main() {
                
                solve();
             
                return 0;
            }

Compiler output:
a.cc: In function 'void solve()':
a.cc:14:43: error: expected identifier before '(' token
   14 |                   if ( (i+1) % 2 == 0) && ( k % 2 == 0) ) cnt++;
      |                                           ^
Language: Java

import java.io.*;
import java.util.*;

public class B_AnOddProblem {
    private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    private static final PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
    private static StringTokenizer st;

    private static int readInt() throws IOException {
        while (st == null || !st.hasMoreTokens()) st = new StringTokenizer(br.readLine());
        return Integer.parseInt(st.nextToken());
    }

    public static void main(String[] args) throws IOException {
        int N = readInt();
        int count = 0;
        for (int i = 1; i <= N; i++) {
            if ( readInt() % 2 == 1 && i % 2 == 1) count ++;
        }

        pw.println(count);
        pw.close();
    }
}


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

int main()
{
  int N,n=0;
  cin >> N;
  vector<int> a(N);
  for(int i=0; i < N; i++)
  {
    cin >> a.at(i);
  }
  for(int i=0; i < N; i++)
  {
    if(i % 2 != 0 && a.at(i) != 0)
      n++;
  }
  cout << n;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope
    4 |   cin >> N;
      |   ^~~
a.cc:5:3: error: 'vector' was not declared in this scope
    5 |   vector<int> a(N);
      |   ^~~~~~
a.cc:5:10: error: expected primary-expression before 'int'
    5 |   vector<int> a(N);
      |          ^~~
a.cc:8:12: error: 'a' was not declared in this scope
    8 |     cin >> a.at(i);
      |            ^
a.cc:12:22: error: 'a' was not declared in this scope
   12 |     if(i % 2 != 0 && a.at(i) != 0)
      |                      ^
a.cc:15:3: error: 'cout' was not declared in this scope
   15 |   cout << n;
      |   ^~~~
Language: Java

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int a[] = new int[N+1];
		int cnt = 0;
		
		for(int i=1; i<=N; i++) {
			a[i] = sc.nextInt();
//			System.out.println(a[i] % 2);
//			System.out.println(i % 2);
			if (a[i] % 2 == 1 && i % 2 == 1) {
				cnt += 1;
			} 
		}
				
		System.out.println(cnt);
		sc.close();
	}

Compiler output:
Main.java:21: error: reached end of file while parsing
	}
	 ^
1 error
Language: C++

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

int main()
{
  int N,n=0;
  cin >> N;
  vector<int> a(N);
  for(int i=0; i < N; i++)
  {
    cin >> a.at(i);
  }
  for(i=0; i < N; i++)
  {
    if(i % 2 != 0 && a.at(i) != 0)
      n++;
  }
  cout << n;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:7: error: 'i' was not declared in this scope
   13 |   for(i=0; i < N; i++)
      |       ^
Language: C

#include <stdio.h>
int main(void)
{
 	int N,a,i,t=0;
  	scanf("%d",&N);
  	for(i=1;i<=N;i++){
     scanf("%d",&a);
  	 if(i%2!==0&&a)
       t++;
 	 }
  printf("%d",t);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:18: error: expected expression before '=' token
    8 |          if(i%2!==0&&a)
      |                  ^
Language: C++

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

int main(){
  int N,count;
  int a[N];
  rep(i,N){
    cin >> a[i];
  }
  
  count = 0;
  
  rep(i,n){
    if((i%2 == 1) && (a[i]%2 == 1)) count++;
  }
  
  cout << count;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: 'n' was not declared in this scope
   14 |   rep(i,n){
      |         ^
a.cc:3:33: note: in definition of macro 'rep'
    3 | #define rep(i,n) for(int i=0; i<n; i++)
      |                                 ^
Language: C++

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

int main()
{
int i,n,count=0,a[100;]
for(i=1;i<=n;i++)
{
    cin>>a[i];

    if(a[i]%2==1 && i%2==1)
    {
        count++;
    }
    printf("%d\n",count);
}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:22: error: expected ']' before ';' token
    6 | int i,n,count=0,a[100;]
      |                      ^
      |                      ]
a.cc:6:23: error: expected primary-expression before ']' token
    6 | int i,n,count=0,a[100;]
      |                       ^
a.cc:7:17: error: expected ';' before ')' token
    7 | for(i=1;i<=n;i++)
      |                 ^
      |                 ;
Language: C

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

int main()
{
int i,n,count=0,a[100;]
for(i=1;i<=n;i++)
{
    cin>>a[i];

    if(a[i]%2==1 && i%2==1)
    {
        count++;
    }
    printf("%d\n",count);
}
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:22: error: expected ']' before ';' token
    6 | int i,n,count=0,a[100;]
      |                      ^
      |                      ]
main.c:7:17: error: expected ';' before ')' token
    7 | for(i=1;i<=n;i++)
      |                 ^
      |                 ;
main.c:7:17: error: expected statement before ')' token
main.c:9:5: error: 'cin' undeclared (first use in this function)
    9 |     cin>>a[i];
      |     ^~~
main.c:9:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:10: error: 'a' undeclared (first use in this function)
    9 |     cin>>a[i];
      |          ^