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

include<iostream>
using namespace std;
int main(){
  float n;
  cin>>n;
  cout<<cell(n/2)<<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:5:3: error: 'cin' was not declared in this scope
    5 |   cin>>n;
      |   ^~~
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout<<cell(n/2)<<endl;
      |   ^~~~
a.cc:6:9: error: 'cell' was not declared in this scope
    6 |   cout<<cell(n/2)<<endl;
      |         ^~~~
a.cc:6:20: error: 'endl' was not declared in this scope
    6 |   cout<<cell(n/2)<<endl;
      |                    ^~~~
Language: Java

import java.util.*;
import static java.lang.System.*;
import java.math.*;
 
public class Main{
  public static void main(final String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    if(N%2==0){
      out.print(N/2)
    }
     else{
       out.print(N/2+1)
     }
  }
  }



Compiler output:
Main.java:10: error: ';' expected
      out.print(N/2)
                    ^
Main.java:13: error: ';' expected
       out.print(N/2+1)
                       ^
2 errors
Language: Java

Class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String line = in.nextLine();
        int value = Integer.valueOf(line);
        system.out.println("%d", (value + 1) / 2);
    }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
Class Main {
^
Main.java:2: error: unnamed classes are a preview feature and are disabled by default.
    public static void main(String[] args) {
                  ^
  (use --enable-preview to enable unnamed classes)
Main.java:8: error: class, interface, enum, or record expected
}
^
3 errors
Language: Java

import java.util.Scanner;

public class DuplexPrinting {

	public static void main(String[] args) {
		// TODO Auto-generated method stub\
		Scanner s = new Scanner(System.in);
		int n = s.nextInt();
		if(n%2 == 0) {
			System.out.println(n/2);
		}else {
			System.out.println(n/2 +1);
		}

	}

}

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

#include <bits/stdc++.h>
using namespace std;
int i,j,n,a,b,s=0,p=1, ans;
int main() {
    scanf("%d",&n);
    if(ans%2) ans/=2;ans++;
    else ans/=2;
    printf("%d\n",ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'else' without a previous 'if'
    7 |     else ans/=2;
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespaces std;
int main(){
int n;
  cin>>n;
  if(n%2==0){
    cout<<n/2;
  }
  else{
  cout<<(n+1)/2;
  }
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespaces'
    2 | using namespaces 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 /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:7:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     cout<<n/2;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |   cout<<(n+1)/2;
      |   ^~~~
      |   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 <bits/stdc++.h>
using namespace std;

int main(){
 int N;
 cin >> N;
  
 if (N % 2 == 0) {
   cout << N/2 << endl;
 }
  else {
   cout << (N+1)/2 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:2: error: expected '}' at end of input
   13 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

    #include <bits/stdc++.h>
    using namespace std;
    int main()
    {
      int n;
      cin>>n;
      if(n%2==0)
        cout<<n/2<<endl;
      else
        cout<<n/2 + 1<<endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:10:29: error: expected '}' at end of input
   10 |         cout<<n/2 + 1<<endl;
      |                             ^
a.cc:4:5: note: to match this '{'
    4 |     {
      |     ^
Language: C++

N = int(input())

def main():
    if N/2 == 0:
        print(N/2)
    
    else:
        print(int(N/2)+1)

                
if __name__ == "__main__":
    main()

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

#inclulde <bits/stdc++.h>
using namespace std;
int main(void){
	int n;
	cin>>n;
	cout<<(n/2)+(n%2);
	return 0;
} 

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inclulde; did you mean #include?
    1 | #inclulde <bits/stdc++.h>
      |  ^~~~~~~~
      |  include
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 | #inclulde <bits/stdc++.h>
a.cc:6:9: error: 'cout' was not declared in this scope
    6 |         cout<<(n/2)+(n%2);
      |         ^~~~
a.cc:6:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

    #include <bits/stdc++.h>
    using namspace std;
    int main()
    {
      int n;
      cin>>n;
      if(n%2==0)
        cout<<n/2<<endl;
      else
        cout<<n/2 + 1<<endl;
    }

Compiler output:
a.cc:2:11: error: expected nested-name-specifier before 'namspace'
    2 |     using namspace std;
      |           ^~~~~~~~
a.cc: In function 'int main()':
a.cc:6:7: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |       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:8:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |         cout<<n/2<<endl;
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |         cout<<n/2<<endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:10:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |         cout<<n/2 + 1<<endl;
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:24: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |         cout<<n/2 + 1<<endl;
      |                        ^~~~
      |                        std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: Java

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		double num = sc.nextDouble();
		double ans;
		ans=Math.floor(num/2)+1;
		int a;
		a=(int)ans;
		System.out.println(a);


Compiler output:
Main.java:10: error: reached end of file while parsing
		System.out.println(a);
		                      ^
1 error
Language: Java

import java.util.*;

public class Main {
	public static void main(String[] args) {
      	int res;
		Scanner sc = new Scanner(System.in);
		String input_line = sc.nextLine();
        int num = Integer.parseInt(input_line);
      
        if(num ==1){
        }
        else if(num % 2 == 0){
          res = num / 2;
        }
        else{
          res = (int)num / 2 + 1;
        }
        System.out.println(res);
    }
}

Compiler output:
Main.java:18: error: variable res might not have been initialized
        System.out.println(res);
                           ^
1 error
Language: Java

import java.util.*;

public class A {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();

        if(n%2==0) {
        System.out.println(n/2);
        }else {
        	System.out.println(n/2+1);
        }
	}

}


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

#include <iostream>

using namespace std;

int main()
{
  long long int n;
  cin >> n ;
  long long int k = n+1/2;
  cout << k << endll
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: 'endll' was not declared in this scope
   10 |   cout << k << endll
      |                ^~~~~
Language: C

#include <stdio.h>


int main(void){
    int n;
    scanf("%d", &n);
    printf("%d\n", (n + 1) / 2)

    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:32: error: expected ';' before 'return'
    7 |     printf("%d\n", (n + 1) / 2)
      |                                ^
      |                                ;
    8 | 
    9 |     return 0;
      |     ~~~~~~
Language: C++

#include <bits/stdc++.h>
using namspace std;
int main()
{
  int n;
  cin>>n;
  if(n%2==0)
    cout<<n/2<<endl;
  else
    cout<<n/2 + 1<<endl;

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namspace'
    2 | using namspace std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   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:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout<<n/2<<endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:16: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |     cout<<n/2<<endl;
      |                ^~~~
      |                std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<n/2 + 1<<endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |     cout<<n/2 + 1<<endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:10:25: error: expected '}' at end of input
   10 |     cout<<n/2 + 1<<endl;
      |                         ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

#include<bits/stsdc++.h>
using namespace std;
int main()
{
	int n,x;
	x=(n+1)/2;
	cout<<x<<endl;
	return 0;
}

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

using namespace; std;
 if N =2; min is 1

Compiler output:
a.cc:1:16: error: expected identifier before ';' token
    1 | using namespace; std;
      |                ^
a.cc:1:18: error: 'std' does not name a type
    1 | using namespace; std;
      |                  ^~~
a.cc:2:2: error: expected unqualified-id before 'if'
    2 |  if N =2; min is 1
      |  ^~
a.cc:2:11: error: 'min' does not name a type
    2 |  if N =2; min is 1
      |           ^~~
Language: C++

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

int main(){
  int n;
  cin >> n;
  int ans = (n+1) / 2;
  return ans;
}

Compiler output:
a.cc:4:11: error: 'pair' does not name a type
    4 | using P = pair<int, int>;
      |           ^~~~
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |   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
      |                  ^~~
Language: C++

#include <iostream>
#include <cstdio>
#define LL long long
#define mk make_pair
#define pb push_back
#define pii pair<int, int>
#define ArrayDebug(a, l, r) for(int i = l; i <= r; ++i) printf("%d%c", a[i], (i==r)?'\n':' ')
const int maxn = 2e5+7;
const LL mod = 998244353;
const int INF = 0x3f3f3f3f;
const double PI = acos(-1);
const double EPS = 1e-8;
const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
using namespace std;

int n;

int main()
{
    scanf("%d", &n);
    printf("%d\n", (n+1)/2);
}

Compiler output:
a.cc:11:19: error: 'acos' was not declared in this scope
   11 | const double PI = acos(-1);
      |                   ^~~~
Language: C++

#include<bits/stdc++.h>using namespace std;
using namespace std;
int main() 
{
	int a;
	cin>>a;
	cout<<(a+1)/2;
	return 0;
}

Compiler output:
a.cc:1:30: warning: extra tokens at end of #include directive
    1 | #include<bits/stdc++.h>using namespace std;
      |                              ^~~~~~~~~
a.cc:1:9: fatal error: bits/stdc++.h>usin: No such file or directory
    1 | #include<bits/stdc++.h>using namespace std;
      |         ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;

public class A {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		System.out.println((int)Math.ceil((double)n/2));
	}

}

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

#include<stdio.h>

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

    if (n%2==0){
        a=n/2
        puts("a");
    }else{
        b=(n+1)/2
        puts()
    }
    
}

Compiler output:
main.c: In function 'main':
main.c:8:14: error: expected ';' before 'puts'
    8 |         a=n/2
      |              ^
      |              ;
    9 |         puts("a");
      |         ~~~~  
main.c:11:18: error: expected ';' before 'puts'
   11 |         b=(n+1)/2
      |                  ^
      |                  ;
   12 |         puts()
      |         ~~~~
Language: C

#include <stdio.h>

need_paper(int i)


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

    // 整数の入力
    scanf("%d", &i);
    
    if (i % 2 == 0)
        printf("%d\n", i / 2);
    else
        printf("%d\n", i / 2 + 1);

    return 0;
}

Compiler output:
main.c:3:1: error: return type defaults to 'int' [-Wimplicit-int]
    3 | need_paper(int i)
      | ^~~~~~~~~~
main.c: In function 'need_paper':
main.c:8:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
    8 | {
      | ^
main.c:22: error: expected '{' at end of input
Language: C++

    #include <bits/stdc++.h>
    using namespace std;
    typedef long long ll;
    typedef long double ld;
    typedef pair<ll, ll> l_l;
    typedef pair<int , int> i_i;
    typedef vector<ll> vl;
    typedef vector<int> vi;
    typedef vector<char> vec;
    typedef vector<bool> veb;
    typedef vector<string> ves;
    typedef vector<vector<ll>> vvl;
    typedef vector<vector<int>> vvi;
    typedef vector<vector<char>> vvec;
    typedef vector<vector<bool>> vveb;
    typedef vector<vector<string>> vves;
    #define rep(i,n) for(int i=0;i<(int)(n);i++)
    #define rep1(i,n) for(int i=1;i<(int)(n);i++)
    #define rep2(i,n) for(int i=2;i<(int)(n);i++)
    #define repk(i,k,n) for(int i=k;i<(int)(n);i++)
    #define fs first
    #define sc second
    #define pb push_back
    #define pp pop_back
    #define all(a) a.begin(),a.end()
    #define rall(a) a.rbegin(),a.rend()
    #define maxel(a) *max_element(all(a))
    #define minel(a) *min_element(all(a))
    #define acc accumulate
    #define EPS (1e-7)
    #define INF (1e9)
    #define PI (acos(-1))
    #define mod (1000000007)
    typedef long long int64;
    //const int64 INF = 1LL << 58;
    #define dame { puts("-1"); return 0;}
    #define YES { cout << "YES" << endl; return 0; }
    #define NO { cout << "NO" << endl; return 0; }
    #define Yes { cout << "Yes" << endl; return 0; }
    #define No { cout << "No" << endl; return 0; }
    template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
    template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }
    int dx[] = {0, 0, -1, 1};
    int dy[] = {1, -1, 0, 0};
     
    int main(){
    	cin.tie(0);
    	ios::sync_with_stdio(false);
     	int a;
      	cin >> a;
      	if(a%2 == 0){
      		cout << a/2 << endl;
        }
      	else{
          	cout < a/2 + 1 << endl;
        }
      	return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:55:32: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   55 |                 cout < a/2 + 1 << endl;
      |                        ~~~~~~~~^~~~~~~
Language: Java

import java.util.Scanner;

public class Practice{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		int page = n / 2;
		
		if(n % 2 > 0){
			page++;
		}
		
		System.out.println(page);
	}
}

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:3:10: error: 'cin' is not a member of 'std'
    3 |     std::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 | int main(){
a.cc:5:8: error: 'cout' was not declared in this scope
    5 |        cout<<N/2<<endl;
      |        ^~~~
a.cc:5:19: error: 'endl' was not declared in this scope
    5 |        cout<<N/2<<endl;
      |                   ^~~~
a.cc:7:9: error: 'cout' was not declared in this scope
    7 |         cout<<(N+1)/2<<endl;
      |         ^~~~
a.cc:7:24: error: 'endl' was not declared in this scope
    7 |         cout<<(N+1)/2<<endl;
      |                        ^~~~
Language: C++

#include <bits\stdc++.h>
#define LL long long
#define mk make_pair
#define pb push_back
#define pii pair<int, int>
#define ArrayDebug(a, l, r) for(int i = l; i <= r; ++i) printf("%d%c", a[i], (i==r)?'\n':' ')
const int maxn = 2e5+7;
const LL mod = 998244353;
const int INF = 0x3f3f3f3f;
const double PI = acos(-1);
const double EPS = 1e-8;
const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
using namespace std;

int n;

int main()
{
    scanf("%d", &n);
    printf("%d\n", (n+1)/2);
}

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

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> l_l;
typedef pair<int , int> i_i;
typedef vector<ll> vl;
typedef vector<int> vi;
typedef vector<char> vec;
typedef vector<bool> veb;
typedef vector<string> ves;
typedef vector<vector<ll>> vvl;
typedef vector<vector<int>> vvi;
typedef vector<vector<char>> vvec;
typedef vector<vector<bool>> vveb;
typedef vector<vector<string>> vves;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rep1(i,n) for(int i=1;i<(int)(n);i++)
#define rep2(i,n) for(int i=2;i<(int)(n);i++)
#define repk(i,k,n) for(int i=k;i<(int)(n);i++)
#define fs first
#define sc second
#define pb push_back
#define pp pop_back
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define maxel(a) *max_element(all(a))
#define minel(a) *min_element(all(a))
#define acc accumulate
#define EPS (1e-7)
#define INF (1e9)
#define PI (acos(-1))
#define mod (1000000007)
typedef long long int64;
//const int64 INF = 1LL << 58;
#define dame { puts("-1"); return 0;}
#define YES { cout << "YES" << endl; return 0; }
#define NO { cout << "NO" << endl; return 0; }
#define Yes { cout << "Yes" << endl; return 0; }
#define No { cout << "No" << endl; return 0; }
template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }
int dx[] = {0, 0, -1, 1};
int dy[] = {1, -1, 0, 0};

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);
 	int a;
  	cin >> a;
  	if(a%2 == 0){
  		cout << a/2 << endl;
    }
  	else{
      	cout <, a/2 + 1 << endl;
    }
  	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:15: error: expected primary-expression before ',' token
   55 |         cout <, a/2 + 1 << endl;
      |               ^
a.cc:55:25: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   55 |         cout <, a/2 + 1 << endl;
      |                 ~~~~~~~~^~~~~~~
Language: C++

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

int main() {

 int N;
 cin >> N;
 N=/2;
 cout << N << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:4: error: expected primary-expression before '/' token
    8 |  N=/2;
      |    ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  long long double l;cin>>l;
  cout<<ceil(l/2.0)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:8: error: 'long long' specified with 'double'
    5 |   long long double l;cin>>l;
      |        ^~~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int n;
  cin>>n;
  if(n%2!=0)
  {
    int p=(n/2)+1;
  }
  else
    
  {
    p=n/2;
  }
  cout<<p;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'p' was not declared in this scope
   14 |     p=n/2;
      |     ^
a.cc:16:9: error: 'p' was not declared in this scope
   16 |   cout<<p;
      |         ^
Language: C

nclude <stdio.h>
int main(void)
{
    int n;
    printf("%d",n/2 + n%2);
    return 0;
}

Compiler output:
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | nclude <stdio.h>
      |        ^
Language: C++

int N;
  cin>>N;
  if(N%2==0)cout<<N/2<<endl;
  else cout<<N/2+1<<endl;
  return 0;

Compiler output:
a.cc:2:3: error: 'cin' does not name a type
    2 |   cin>>N;
      |   ^~~
a.cc:3:3: error: expected unqualified-id before 'if'
    3 |   if(N%2==0)cout<<N/2<<endl;
      |   ^~
a.cc:4:3: error: expected unqualified-id before 'else'
    4 |   else cout<<N/2+1<<endl;
      |   ^~~~
a.cc:5:3: error: expected unqualified-id before 'return'
    5 |   return 0;
      |   ^~~~~~
Language: Java

import java.util.Scanner;

public class DuplexPrinting {
 
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int input = in.nextInt();
        
	    System.out.println(input / 2 + input % 2);
 
    }
 
}

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

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int n, cin >> n;
  (n&1) ? cout<<(n/2)+1 : cout<<(n/2);
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:14: error: expected initializer before '>>' token
    5 |   int n, cin >> n;
      |              ^~
Language: C

#include <stdio.h>

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

Compiler output:
main.c: In function 'main':
main.c:10:19: error: 'N' undeclared (first use in this function)
   10 |     printf("%d", (N%2)+1);
      |                   ^
main.c:10:19: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <iostream>

using namespace std;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:9:21: error: expected primary-expression before '<<' token
    9 |   else cout << N/2; << endl;
      |                     ^~
Language: C++

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

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

  // 出力
  if(N % 2 == 1){
    cout << (S+1)/2 << endl;
  } else {
    cout << S/2 << endl;
  }
  

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:14: error: 'S' was not declared in this scope
   12 |     cout << (S+1)/2 << endl;
      |              ^
a.cc:14:13: error: 'S' was not declared in this scope
   14 |     cout << S/2 << endl;
      |             ^
Language: C++

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

int main{
  int N;
  cin >> N;
  
  if(N%2=0){
    cout << N/2;
  }else{
    cout << (N+1)/2
  }
}

Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:3: error: expected primary-expression before 'int'
    5 |   int N;
      |   ^~~
a.cc:5:3: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:3: error: 'cin' does not name a type
    6 |   cin >> N;
      |   ^~~
a.cc:8:3: error: expected unqualified-id before 'if'
    8 |   if(N%2=0){
      |   ^~
a.cc:10:4: error: expected unqualified-id before 'else'
   10 |   }else{
      |    ^~~~
a.cc:13:1: error: expected declaration before '}' token
   13 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int N,;
  cin>>N;
  N=N/2;
  
  if(N%2==1){
    N++;
  } 
  cout<<N<<endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: expected unqualified-id before ';' token
    4 |   int N,;
      |         ^
Language: C++

#include<iostream>

int main() {
	int n;
	cin >> n;
	if (n % 2 == 0) cout >> n / 2 >> endl;
	else cout >> n / 2 + 1 >> endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: 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:6:25: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |         if (n % 2 == 0) cout >> n / 2 >> endl;
      |                         ^~~~
      |                         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:42: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |         if (n % 2 == 0) cout >> n / 2 >> endl;
      |                                          ^~~~
      |                                          std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:7:14: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |         else cout >> n / 2 + 1 >> 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:7:35: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |         else cout >> n / 2 + 1 >> endl;
      |                                   ^~~~
      |                                   std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
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();
        if(N%2 == 0){
            System.out.println(N/2);
        }else{
            System.out.println(N/2 + 1);
        }
        scanner.close();
    }
}

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

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

int main(){
  int n,ans;
  cin >>n;
  ans = (n + (2 - 1)) / 2
    cout << ans <<endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:26: error: expected ';' before 'cout'
    7 |   ans = (n + (2 - 1)) / 2
      |                          ^
      |                          ;
    8 |     cout << ans <<endl;
      |     ~~~~
Language: Java

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

Compiler output:
Main.java:7: error: ';' expected
    System.out.println(N/2)
                           ^
1 error
Language: C++

#include <bits/stdc++.h>
#include <algorithm>
using namespace std;
struct Fast { Fast() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20);} } fast;

long long mod = 1000000007;

long long modpow(long long m, long long n) {
    if (n == 0) return 1;
    if (n % 2 == 0) {
        long long t = modpow(m, n / 2);
        return t / 2;
    } else {
        return modpow(m, n - 1) * m % mod;
    }
}



int main() {
    int a, b, c, ans = 0, sum = 0;
    cin >> a;
    if (a % 2 == 1){
        cout << a / 2 + 1 << endl;
    }else{
        cout << a / 2 + 1 <<　endl;
    }
}

Compiler output:
a.cc:26:29: error: extended character 　 is not valid in an identifier
   26 |         cout << a / 2 + 1 <<　endl;
      |                             ^
a.cc: In function 'int main()':
a.cc:26:29: error: '\U00003000endl' was not declared in this scope
   26 |         cout << a / 2 + 1 <<　endl;
      |                             ^~~~~~
Language: C++

#include <iostream>

int main() {
  int n;
  std::cin >> n;
  std::cout << p / 2 + (n%2==0 ? 0 : 1) << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:16: error: 'p' was not declared in this scope
    6 |   std::cout << p / 2 + (n%2==0 ? 0 : 1) << std::endl;
      |                ^
Language: C++

#include<iostream>

using namespace std;

int main(){
  int N=0;
  
  cin >> N;
  
  cout << N/2 + N mod 2 << endl;
  
  return 0;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:18: error: expected ';' before 'mod'
   10 |   cout << N/2 + N mod 2 << endl;
      |                  ^~~~
      |                  ;
Language: Java

import java.util.*;

public class A {
    static Scanner sc = new Scanner(System.in);

    public static void main(String[] args) {
        int n = Integer.parseInt(sc.next());
        int ans = (n % 2 == 0) ? n / 2 : n / 2 + 1;
        System.out.println(ans);
    }
}

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

#include <cstdlib>
#include <cstdio>
#include <string>
#include <algorithm>
#include <vector>
#include <iostream>

using namespace std;

int main() {
    int n;
    cin >> n;
    cout << ceil((double)n/2);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:13: error: 'ceil' was not declared in this scope
   13 |     cout << ceil((double)n/2);
      |             ^~~~
Language: Java

import java.util.Scanner;

//Distinct or Not
public class Main2 {
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		int n = sc.nextInt();
      	int adj = n %2;
      	System.out.println(n/2 + adj);
    }
}

Compiler output:
Main.java:4: error: class Main2 is public, should be declared in a file named Main2.java
public class Main2 {
       ^
1 error
Language: C

#include <stdio.h>

int main (){
   int n;sncaf("%d",&n);
   printf("%d",n/2+1);
}

Compiler output:
main.c: In function 'main':
main.c:4:10: error: implicit declaration of function 'sncaf'; did you mean 'sscanf'? [-Wimplicit-function-declaration]
    4 |    int n;sncaf("%d",&n);
      |          ^~~~~
      |          sscanf
Language: C++

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

int main(){
  int n,ans;
  cin >>n;
  ans = (a + (2 - 1)) / 2
    cout << ans <<endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: 'a' was not declared in this scope
    7 |   ans = (a + (2 - 1)) / 2
      |          ^
Language: C++

int main(){
    ll n;
    cin>>n;
    cout<<(n-1)/2+1<<endl;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:5: error: 'll' was not declared in this scope
    2 |     ll n;
      |     ^~
a.cc:3:5: error: 'cin' was not declared in this scope
    3 |     cin>>n;
      |     ^~~
a.cc:3:10: error: 'n' was not declared in this scope
    3 |     cin>>n;
      |          ^
a.cc:4:5: error: 'cout' was not declared in this scope
    4 |     cout<<(n-1)/2+1<<endl;
      |     ^~~~
a.cc:4:22: error: 'endl' was not declared in this scope
    4 |     cout<<(n-1)/2+1<<endl;
      |                      ^~~~
Language: C++

#include <stdio.h>

int main(void ){
	scanf("%d", &n);
  	printf("%d", n/2 + ((n%2) > 0));
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:22: error: 'n' was not declared in this scope
    4 |         scanf("%d", &n);
      |                      ^
Language: Java

public class DuplexPrinting {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int input = in.nextInt();
        
	    System.out.println(input / 2 + input % 2);

    }

}

Compiler output:
Main.java:1: error: class DuplexPrinting is public, should be declared in a file named DuplexPrinting.java
public class DuplexPrinting {
       ^
Main.java:4: error: cannot find symbol
        Scanner in = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class DuplexPrinting
Main.java:4: error: cannot find symbol
        Scanner in = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class DuplexPrinting
3 errors
Language: C++

int main(){
    int n;
    cin >> n;
    if(n%2==0){
        cout << n/2 << endl;
    }else{
        cout <<n/2+1 << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:5: error: 'cin' was not declared in this scope
    3 |     cin >> n;
      |     ^~~
a.cc:5:9: error: 'cout' was not declared in this scope
    5 |         cout << n/2 << endl;
      |         ^~~~
a.cc:5:24: error: 'endl' was not declared in this scope
    5 |         cout << n/2 << endl;
      |                        ^~~~
a.cc:7:9: error: 'cout' was not declared in this scope
    7 |         cout <<n/2+1 << endl;
      |         ^~~~
a.cc:7:25: error: 'endl' was not declared in this scope
    7 |         cout <<n/2+1 << endl;
      |                         ^~~~
Language: C++

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

int main(){
  int n;
  cin >> n;
  cout << n/2 << endl;
}

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

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    scanf("%d", &n);
    n++;
    printf("%d\n", n / 2)
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:26: error: expected ';' before '}' token
    8 |     printf("%d\n", n / 2)
      |                          ^
      |                          ;
    9 | }
      | ~
Language: C++

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

int main() {

  int n;
  cin >> n;

  if(n % 2 == 0) {
    cout << n / 2 << endl;
  } else {
    ans = n / 2 + 1;
    cout << ans << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |     ans = n / 2 + 1;
      |     ^~~
      |     abs
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 ans = N / 2 + N % 2;
       System.out.println(ans);

	}

}

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

import java.util.*;
public class Main
{
  public static void main(String args[])
  {
    Scanner sc=new Scanner(System.in);
    int n=sc.nextInt();
    System.out.println((n+1)/2);
  }
}

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++

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

int main()
{
  
  int N,a,b;
  cin >> N;
  a=N/2;
  b=N%2;
  a=a+b;
  cout << a <<endl;
}

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

#include <stdio.h>

int main (){
   int n;sncaf("%d",&n);
   printf("%d",n*2+1);
}

Compiler output:
main.c: In function 'main':
main.c:4:10: error: implicit declaration of function 'sncaf'; did you mean 'sscanf'? [-Wimplicit-function-declaration]
    4 |    int n;sncaf("%d",&n);
      |          ^~~~~
      |          sscanf
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  int ans=ceil(double)n/2);
  cout<<ans<<"\n";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expected primary-expression before 'double'
    7 |   int ans=ceil(double)n/2);
      |                ^~~~~~
Language: C++

#include<iostream>
int main{
int a;
  std::cin >> a;
  std::cout << a/2 << endl;
}

Compiler output:
a.cc:2:5: error: cannot declare '::main' to be a global variable
    2 | int main{
      |     ^~~~
a.cc:3:1: error: expected primary-expression before 'int'
    3 | int a;
      | ^~~
a.cc:3:1: error: expected '}' before 'int'
a.cc:2:9: note: to match this '{'
    2 | int main{
      |         ^
a.cc:4:8: error: 'cin' in namespace 'std' does not name a type
    4 |   std::cin >> a;
      |        ^~~
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:5:8: error: 'cout' in namespace 'std' does not name a type
    5 |   std::cout << a/2 << endl;
      |        ^~~~
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:1: error: expected declaration before '}' token
    6 | }
      | ^
Language: C++

#include <iostream>

using namespace std;

#define rep(i, a, n) for(int i = a; i < (n); ++i)

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

    int ans = n / 2
    if (n % 2 == 1)
    {
        cout << ans + 1 << endl;
    }
    else
    {
        cout << ans << endl;
    }
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: expected ',' or ';' before 'if'
   12 |     if (n % 2 == 1)
      |     ^~
a.cc:16:5: error: 'else' without a previous 'if'
   16 |     else
      |     ^~~~
Language: C++

import sys
from math import factorial


def main(S):
    pass


if __name__ == '__main__':
    n = int(input())

    ans = n // 2
    if (n % 2 == 1):
        ans += 1

    print(ans)


Compiler output:
a.cc:9:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
    9 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

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

#define rep(i, N) for (int i = 0; i < N; i++)
#define rep1(i, N) for (int i = 1; i <= N; i++)
const int intinf = numeric_limits<int>::max();

using ll = long long int;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

#define MOD 1000000007

#include "Modulo.h"

void solve()
{
    int N;
    cin >> N;
    cout << (N + 1) / 2 << endl;
}

int main()
{
    solve();
    return 0;
}

Compiler output:
a.cc:14:10: fatal error: Modulo.h: No such file or directory
   14 | #include "Modulo.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

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

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

int main{
  int n,ans=0;
  cin >> n;
  ans=n/2+n%2
  cout << ans;
}

Compiler output:
a.cc:6:5: error: cannot declare '::main' to be a global variable
    6 | int main{
      |     ^~~~
a.cc:7:3: error: expected primary-expression before 'int'
    7 |   int n,ans=0;
      |   ^~~
a.cc:7:3: error: expected '}' before 'int'
a.cc:6:9: note: to match this '{'
    6 | int main{
      |         ^
a.cc:8:3: error: 'cin' does not name a type
    8 |   cin >> n;
      |   ^~~
a.cc:9:3: error: 'ans' does not name a type
    9 |   ans=n/2+n%2
      |   ^~~
a.cc:11:1: error: expected declaration before '}' token
   11 | }
      | ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  if(N % 2 == 0) cout << N/2 << endl;
  else cout << N/2 + 1 << en
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:27: error: 'en' was not declared in this scope; did you mean 'yn'?
    8 |   else cout << N/2 + 1 << en
      |                           ^~
      |                           yn
Language: C++

#include<bits/stdc++.h>
#include<string>
#include<cstring>
#include<iostream>
#include<cstdio>
#include<queue>
#include<algorithm>
#define IOS ios::sync_with_stdio(false);cin.tie(0)
//#define ll long long
#define ll unsigned long long
#define inf 0x3f3f3f3f
#define mod 1000000007
#define eps 1e-6
#define PI acos(-1)
#define mysetit multiset<ll>::iterator
#define mymsetit multiset<ll>::iterator
#define mymapit map<ll,ll>::iterator
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define lowbit(x) (x&(-x))
#define mp make_pair
#define pb push_back
#define si size()
#define E exp(1.0)
#define fixed cout.setf(ios::fixed)
#define fixeds(x) setprecision(x)
using namespace std;
inline ll read(){ll s=0,w=1;char ch=getchar();
while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
return s*w}void put1(){ puts("YES") ;} void put2(){ puts("NO") ;}void put3(){ puts("-1"); }
ll qpf(ll a, ll b, ll p)
{ll ret = 0;while(b){if(b & 1) ret = (ret + a) % p;
a = (a + a) % p;b >>= 1;}return ret % p ;}
ll qp(ll a, ll n, ll p)
{ll ret = 1;while(n){if(n & 1) ret = qpf(ret, a, p);a = qpf(a, a, p);
n >>= 1;}return ret % p ;}
//θ=acos(L/2R);

const int manx=2e5+5;

ll a[manx],s[manx],b[manx];
int main(){
    ll n=read();
    if(n&1) cout<<n/2+1<<endl;
    else cout<<n/2<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'long long unsigned int read()':
a.cc:32:11: error: expected ';' before '}' token
   32 | return s*w}void put1(){ puts("YES") ;} void put2(){ puts("NO") ;}void put3(){ puts("-1"); }
      |           ^
      |           ;
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <string>
#include <math.h>
#define ll long long
#define vl vector<ll>
#define vvl vector<vector<ll> >
#define vvvl vector<vector<vector<ll> > >
#define vd vector<double>
#define vvd vector<vector<double> >
#define vvvd vector<vector<vector<double> > >
#define rep(i,a) for(ll i = 0;i<a;++i)
#define mod 1000000007
#define inf 11451419198
using namespace std;

int main(){
	ll n; cin >> n;
	if (n % 2) cout << n / 2 + 1 << endl;
	else cout << n / 2 << enld;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:31: error: 'enld' was not declared in this scope
   22 |         else cout << n / 2 << enld;
      |                               ^~~~
Language: C++

#include<algorithm>
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<map>
#include<cstdio>
#include<iomanip>
#include<cmath>

int main(){
    long long N;
    cin >> N;
    
    cout << (N + 1) / 2;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
   13 |     cin >> N;
      |     ^~~
      |     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
      |                  ^~~
a.cc:15:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |     cout << (N + 1) / 2;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~