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

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

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int find,n;
    cin>>find>>n;

    int a[n];
    int b[100001]={0};
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
        b[a[i]]++;
    }
    for(int i=0;i<100;i++)
    {
       if(b[k-i]==0) 
        {
         cout<<k-i<<endl; 
       	 break;
       	}
       if(b[k+i]==0)
       {
        cout<<k+i<<endl;
        break;
       }

    }
    return 0;
    }


Compiler output:
a.cc: In function 'int main()':
a.cc:19:13: error: 'k' was not declared in this scope
   19 |        if(b[k-i]==0)
      |             ^
a.cc:24:13: error: 'k' was not declared in this scope
   24 |        if(b[k+i]==0)
      |             ^
Language: C++

int x,n;
	cin>>x>>n;
	if(n==0)
	{
		cout<<x<<"\n";
		return 0;
	}
	int a[101];
	for(int i=0;i<101;i++)
		a[i]=-1;
	for(int i=0;i<n;i++)
	{
		int xx;
		cin>>xx;
		a[xx]=1;
	}
	int ans=abs(x+1),val=-1;
	
	for(int i=0;i<=100;i++)
	{
		if(a[i]==-1)
		{
			if(ans>abs(x-i))
			{
				ans=abs(x-i);
				val=i;
			}
		}
	}
	cout<<val<<"\n";

Compiler output:
a.cc:2:9: error: 'cin' does not name a type
    2 |         cin>>x>>n;
      |         ^~~
a.cc:3:9: error: expected unqualified-id before 'if'
    3 |         if(n==0)
      |         ^~
a.cc:9:9: error: expected unqualified-id before 'for'
    9 |         for(int i=0;i<101;i++)
      |         ^~~
a.cc:9:21: error: 'i' does not name a type
    9 |         for(int i=0;i<101;i++)
      |                     ^
a.cc:9:27: error: 'i' does not name a type
    9 |         for(int i=0;i<101;i++)
      |                           ^
a.cc:11:9: error: expected unqualified-id before 'for'
   11 |         for(int i=0;i<n;i++)
      |         ^~~
a.cc:11:21: error: 'i' does not name a type
   11 |         for(int i=0;i<n;i++)
      |                     ^
a.cc:11:25: error: 'i' does not name a type
   11 |         for(int i=0;i<n;i++)
      |                         ^
a.cc:17:17: error: 'abs' was not declared in this scope; did you mean 'ans'?
   17 |         int ans=abs(x+1),val=-1;
      |                 ^~~
      |                 ans
a.cc:19:9: error: expected unqualified-id before 'for'
   19 |         for(int i=0;i<=100;i++)
      |         ^~~
a.cc:19:21: error: 'i' does not name a type
   19 |         for(int i=0;i<=100;i++)
      |                     ^
a.cc:19:28: error: 'i' does not name a type
   19 |         for(int i=0;i<=100;i++)
      |                            ^
a.cc:30:9: error: 'cout' does not name a type
   30 |         cout<<val<<"\n";
      |         ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;


int main() {
    int x, n; cin >> x >> n;
  if(n==0){
    cout << x << endl;
    return 0;
  }
  vector<int> p(100);
  for(int i = 0;i < n;i++){
    int t = 0;
    cin >> t;
    p.at(t)++;
  }
  
  for(int i = 0; i<100;i++){
    if(p.at(x-i)!=1){
      cout << x-i << endl;
      return 0;
    }
    if(p.at(x+i)!=1){
      cout << x+i << endl;
      return 0;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:2: error: expected '}' at end of input
   29 | }
      |  ^
a.cc:6:12: note: to match this '{'
    6 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
#include <cassert>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define PI 3.14159265358979
using namespace std;
using ll = long long;
using P = pair<int, int>;
struct Edge
{
  int to;
  int weight;
  Edge(int t, int w) : to(t), weight(w) {}
};
// using Graph = vector<vector<Edge>>;
using Graph = vector<vector<int>>;

const long long INF = 1LL << 60;
const int INT_INF = 1000000000;

int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
// int dx[8] = {-1, -1, -1, 0, 0, 1, 1, 1}, dy[8] = {-1, 0, 1, 1, -1, 1, 0, -1};

int main()
{
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int X, N;
  cin >> X >> N;
  if (N == 0)
  {
    cout << X << endl;
    return 0;
  }
  else
  {
    vector<int> a(105);
    for (int i = 0; i < N; i++)
    {
      int p;
      cin >> p;
      a[p]++;
    }
    int nearX = INT_INF;
    int ans = -1;
    for (int i = 0; i <= 101; i++)
    {
      if (!a[i])
      {
        int tmp = abs(X - i);
        if (tmp < nearX)
          ans = i;
      }
    }
    cout << ans << endl;
    return 0;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:56:4: error: expected '}' at end of input
   56 |   }
      |    ^
a.cc:24:1: note: to match this '{'
   24 | {
      | ^
Language: C++

#include<bits/stdc++.h>
#define int long long
#define FLASH cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(false);
#define FILEIO freopen("/home/aman/Desktop/Kachda/input.txt", "r", stdin); //freopen("/home/aman/Desktop/Kachda/output.txt", "w", stdout);
using namespace std;


signed main()
{
    
    FLASH

    int n, x;
    vector <bool> in(101, 0);
    cin>>x>>n;
    for(int i = 1; i <= n; i++){
        int a;
        cin>>a;
        in[a] = 1;
    }

    int ans = 1001
    for(int i = 0; i <= 101; i++){
        if(in[i]) continue;
        if(abs(ans - x) > abs(x - i)){
            ans = i;
        }
    }
    cout<<ans<<'\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:5: error: expected ',' or ';' before 'for'
   23 |     for(int i = 0; i <= 101; i++){
      |     ^~~
a.cc:23:20: error: 'i' was not declared in this scope; did you mean 'in'?
   23 |     for(int i = 0; i <= 101; i++){
      |                    ^
      |                    in
Language: C++

#include<bits/stdc++.h>
#define ll long long int
#define loop(i,a,b) for(i=a;i<b;i++)
#define mod 1000000007
#define pb push_back
#define lim 100001

using namespace std;
int main()
{ll x,n,i,j,ans=0,diff=INF;
	cin>>x>>n;

	loop(i,0,n)
	cin>>a[i];

	
    
	loop(i,0,102){
		loop(j,0,n)
		if(a[j]==i)
			break;
		if(j==n && diff>abs(x-i))
		{
			ans=i; diff=abs(x-i);
		}}

		cout<<ans<<endl;
return 0;
	}


	


}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:24: error: 'INF' was not declared in this scope
   10 | {ll x,n,i,j,ans=0,diff=INF;
      |                        ^~~
a.cc:14:14: error: 'a' was not declared in this scope
   14 |         cin>>a[i];
      |              ^
a.cc:20:20: error: 'a' was not declared in this scope
   20 |                 if(a[j]==i)
      |                    ^
a.cc: At global scope:
a.cc:35:1: error: expected declaration before '}' token
   35 | }
      | ^
Language: Java

import java.util.*;
import java.lang.*;
class Main
{
  public static void main(String args[])
  {
    Scanner sc=new Scanner(System.in);
    int k=sc.nextInt();
    int n=sc.nextInt();
    if(n==0)
       System.out.println(k);
    else
    {
      HashSet<Integer> s=new HashSet<Integer>();
      for(int i=0;i<n;i++)
        s.add(sc.nextInt());
      if(!s.contains(k))
      {
        System.out.println(k);
        return;
      }
      for(int d=1;true;d++)
      {
        if(!s.contains(x-d))
        {
          System.out.println(x-d);
          return;
        }
        if(!s.contains(x+d))
        {
          System.out.println(x+d);
          return;
        }
      }
    }
  }
}


Compiler output:
Main.java:24: error: cannot find symbol
        if(!s.contains(x-d))
                       ^
  symbol:   variable x
  location: class Main
Main.java:26: error: cannot find symbol
          System.out.println(x-d);
                             ^
  symbol:   variable x
  location: class Main
Main.java:29: error: cannot find symbol
        if(!s.contains(x+d))
                       ^
  symbol:   variable x
  location: class Main
Main.java:31: error: cannot find symbol
          System.out.println(x+d);
                             ^
  symbol:   variable x
  location: class Main
4 errors
Language: Java

import java.util.Scanner;
import java.math.*;

public class beginner3{
    public static void main(String[] args){
        Scanner sc =new Scanner(System.in);
        int x=sc.nextInt();
        int n=sc.nextInt();
        int count1=0;
        int count2=0;
        int plus=0;
        int minus=0;
        int flg=0;
        if(n==0){
            System.out.println(x);
        }else{
        int[] list = new int[n];
        for(int i=0; i<list.length; i++){
            list[i]=sc.nextInt();
        }
        while(true){
            for(int i=0; i<list.length; i++){
                if(list[i]==x+plus){
                    plus++;
                }
            }
            count1++;
            if(count1>plus){
                break;
            }
        }
        while(true){
            for(int i=0; i<list.length; i++){
                if(list[i]==x+minus){
                    minus--;
                }
            }
            count2--;
            if(count2<minus){
                break;
            }
        }
        flg=plus+minus;
        if(flg>=0){
            System.out.println(x+minus);
        }else if(flg<0){
            System.out.println(x+plus);
        }
    }
}
}

Compiler output:
Main.java:4: error: class beginner3 is public, should be declared in a file named beginner3.java
public class beginner3{
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std; 
int main() {
    int X, N;
    cin>>X>>N;
    vector<bool> P(101, true);
    REP(i, 0, N){
        int p;
        cin >> p;
        P[p] = false;
    }
    int s = 0, d = X;
    REP(i, 0, 101){
        if(P[i] && abs(X-i) < d){
            s=i;
            d = abs(X-i);
        }
    }
    if(abs(X-101) < d){
        s = 101;
        d = abs(X-101);
    }
    cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'i' was not declared in this scope
    7 |     REP(i, 0, N){
      |         ^
a.cc:7:5: error: 'REP' was not declared in this scope
    7 |     REP(i, 0, N){
      |     ^~~
Language: Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		int X = scanner.nextInt();
		int N = scanner.nextInt();
		ArrayList<Integer> list = new ArrayList<>();
		int answer1 = 0;
		int answer2 = 0;
		int k = 1;
		int m = 1;

		int i = 0;
		while (i < N) {
			int p = scanner.nextInt();
			list.add(p);
			i ++;
		}

		for (int j = 0; j < N; j ++) {
			int after = X - k;

			if (!list.contains(after)) {
				answer1 = after;
//				System.out.println(answer1);
				break;
			}
			k++;
		}

		 for (int l = 0; l < N; l++){
			int after2 = X + m;
			if (!list.contains(after2)) {
				answer2 = after2;
//				System.out.println(answer2);
				break;
			}
			m++;
		}

		int abs1 = Math.abs(X - answer1);
		int abs2 = Math.abs(X - answer2);

		if (abs1 != abs2) {
			System.out.println(abs1 < abs2 ? answer1 : answer2);
		} else {
			System.out.println(answer1 < answer2 ? answer1 : answer2);
		}
	}
}

Compiler output:
Main.java:10: error: cannot find symbol
		ArrayList<Integer> list = new ArrayList<>();
		^
  symbol:   class ArrayList
  location: class Main
Main.java:10: error: cannot find symbol
		ArrayList<Integer> list = new ArrayList<>();
		                              ^
  symbol:   class ArrayList
  location: class Main
2 errors
Language: Java

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int x = sc.nextInt();
		int n = sc.nextInt();
		List<Integer> list = new ArrayList<>();
		int ans = x;

		for (int i = 0; i < n; i++) {
			list.add(sc.nextInt());
		}

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

			//x-difがリストに無いとき
			if (!list.contains(x - dif)) {
				ans = x - dif;
				break;
			}

			//x+difがリストに無いとき
			if (!list.contains(x + dif)) {
				ans = x + dif;
				break;
			}

		}

		System.out.println(ans);

	}

}

Compiler output:
Main.java:5: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:5: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main
Main.java:9: error: cannot find symbol
		List<Integer> list = new ArrayList<>();
		^
  symbol:   class List
  location: class Main
Main.java:9: error: cannot find symbol
		List<Integer> list = new ArrayList<>();
		                         ^
  symbol:   class ArrayList
  location: class Main
4 errors
Language: Java

import java.util.*;
import java.lang.*;
class Main
{
  public static void main(String args[])
  {
    Scanner sc=new Scanner(System.in);
    int k=sc.nextInt();
    int n=sc.nextInt();
    if(n==0)
       System.out.println(k);
    else
    {
      ArrayList<Integer> al=new ArrayList<Integer>();
      int diff=100;
      int min=0;
      for(int i=0;i<n;i++)
      {
        int v=sc.nextInt();
        al.add(v);
        if(Math.abs(k-v)<diff)
        {
         diff=Math.abs(k-v);
          min=v;
        }
      }
      boolean f=true;
      while(f)
      {
        if(!al.contains(min-1))
        {
          ans=min-1;
          f=false;
        }
        if(!al.contains(min+1))
        {
          ans=min+1;
          f=false;
        }
        if(f==true)
          min++;   
      }
      System.out.println(ans);
    }
  }
}

Compiler output:
Main.java:32: error: cannot find symbol
          ans=min-1;
          ^
  symbol:   variable ans
  location: class Main
Main.java:37: error: cannot find symbol
          ans=min+1;
          ^
  symbol:   variable ans
  location: class Main
Main.java:43: error: cannot find symbol
      System.out.println(ans);
                         ^
  symbol:   variable ans
  location: class Main
3 errors
Language: C++

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

int main() {
  int X, N;
  cin >> X >> N;
  
  int diff = 1000;
  for (int i = 0; i < N; i++) {
    int p;
    cin >> p;
    int new_diff = abs(p - X);
    diff = min(diff, new_diff);
  }
  int ans = X;
  for (int x = 0; x <= 101; x++) {
    int new_diff = abs(x - X);
    if (diff > new_diff){
      diff = new_diff;
      ans = x;
    }
  }
  
  cout << x << endl;
}

    

Compiler output:
a.cc: In function 'int main()':
a.cc:24:11: error: 'x' was not declared in this scope
   24 |   cout << x << endl;
      |           ^
Language: Java

import java.util.Scanner;
     
public class Main{
    public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
	ans = 101;
	int x = sc.nextInt();
	int n = sc.nextInt();
	int[] p = new int[n];
	for(int i=0;i<n;i++){
	    p[i] = sc.nextInt();
	}
	for(int i=0;i<101;i++){
	    boolean flag = false;
	    for(int j=0;j<n;j++){
		if(j==p[i]) flag = true;
	    }
	    if(!(flag) && Math.abs(x,i)<Math.abs(x,ans)){
		ans = i;
	    }
	}
	System.out.println(ans);
    }
    
}


Compiler output:
Main.java:6: error: cannot find symbol
	ans = 101;
	^
  symbol:   variable ans
  location: class Main
Main.java:18: error: no suitable method found for abs(int,int)
	    if(!(flag) && Math.abs(x,i)<Math.abs(x,ans)){
	                      ^
    method Math.abs(int) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(long) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(float) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(double) is not applicable
      (actual and formal argument lists differ in length)
Main.java:18: error: cannot find symbol
	    if(!(flag) && Math.abs(x,i)<Math.abs(x,ans)){
	                                           ^
  symbol:   variable ans
  location: class Main
Main.java:19: error: cannot find symbol
		ans = i;
		^
  symbol:   variable ans
  location: class Main
Main.java:22: error: cannot find symbol
	System.out.println(ans);
	                   ^
  symbol:   variable ans
  location: class Main
5 errors
Language: Java

import java.util.Scanner;
     
public class Main{
    public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
	ans = 101;
	int x = sc.nextInt();
	int n = sc.nextInt();
	int[] p = new int[n];
	for(int i=0;i<n;i++){
	    p[i] = sc.nextInt();
	}
	for(int i=0;i<101;i++){
	    boolean flag = false;
	    for(int j=0;j<n;j++){
		if(j==p[i]) flag = true;
	    }
	    if(!(flag) && Math.abs(x,i)<Math.abs(x,ans)){
		ans = i;
	    }
	}
    }
}


Compiler output:
Main.java:6: error: cannot find symbol
	ans = 101;
	^
  symbol:   variable ans
  location: class Main
Main.java:18: error: no suitable method found for abs(int,int)
	    if(!(flag) && Math.abs(x,i)<Math.abs(x,ans)){
	                      ^
    method Math.abs(int) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(long) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(float) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(double) is not applicable
      (actual and formal argument lists differ in length)
Main.java:18: error: cannot find symbol
	    if(!(flag) && Math.abs(x,i)<Math.abs(x,ans)){
	                                           ^
  symbol:   variable ans
  location: class Main
Main.java:19: error: cannot find symbol
		ans = i;
		^
  symbol:   variable ans
  location: class Main
4 errors
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); i++)
#define repbit(bit,n) for (int bit = 0; bit < (1<<n); bit++)
using namespace std;
typedef long long ll;

const int INF = 1001001001;
//const ll INF = 1000000000000000000;

ll a, b, v, w, t;

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

	vector<bool> contain(102, false);
	rep(i,n) {
		int p;
		cin >> p;
		if (!contain[p]) contain[p] = true;
	}
	int ans, tmp = INF;
	for (int i = 101; i >= 0; i--;) {
		if (!contain[i]) {
			if (tmp >= abs(i - x)) {
				tmp = abs(i - x);
				ans = i;
			}
		}
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:38: error: expected ')' before ';' token
   23 |         for (int i = 101; i >= 0; i--;) {
      |             ~                        ^
      |                                      )
a.cc:23:39: error: expected primary-expression before ')' token
   23 |         for (int i = 101; i >= 0; i--;) {
      |                                       ^
Language: C++

#include <iostream>
#include<stdlib.h>
#include<unistd.h>
#include<sys/types.h>
#include<sys/wait.h>
#include<errno.h>
#include<limits.h>
#include<ncurses.h>
#include<string.h>
#include<math.h>

using namespace std;



int main(){
    int n,p[100],q;
    unsigned int x;
    int min=100;
    cin>>x>>n;
   for(int i=0;i<n;i++){
   cin>>p[i];
 
   if(abs(p[i]-(int)x)<min)min=abs(p[i]-(int)x);
   }

   if(1<min)cout<<x-1;
   else if(min<=1){
     int dif=2;
     int count=0;
     for(int i=0;i<n;i++){
         if(abs(p[i]-(int)x)==dif){
         count++;
         if(count==0){
             break;
         }
     }dif++;
     }
     cout<<(int)x-dif<<endl;

   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:2: error: expected '}' at end of input
   42 | }
      |  ^
a.cc:16:11: note: to match this '{'
   16 | int main(){
      |           ^
Language: C++

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

int main() {
  ll x,n,ans=200;
  cin>>x>>n;
  vector<ll> a(n);
  vector<ll> b(200); //0~200
  vector<ll>  c(200); //abs
  rep(i,n){
    cin>>a[i];
  }
  rep(i,200){
    b[i]=i; 
    c[i]=abs(a[i]-x);
  }
  bool ahaha=true;
  rep(i,200){
    rep(j,n){
      if(i==a[j]){
        ahaha=false;
      }
    }
    if(ahaha){
      ans=min(c[i], ans);
    }
    else{
      ahaha=true;
    }
  }
  rep(i,n){
    if(x-ans==a[i]){
      cout<<ans+x;
      return 0;
    }
  }
  cout<<x-ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
    8 | int main() {
      |         ^~
a.cc:8:9: note: remove parentheses to default-initialize a variable
    8 | int main() {
      |         ^~
      |         --
a.cc:8:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:8:12: error: a function-definition is not allowed here before '{' token
    8 | int main() {
      |            ^
a.cc:42:2: error: expected '}' at end of input
   42 | }
      |  ^
a.cc:6:12: note: to match this '{'
    6 | int main() {
      |            ^
Language: C++

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

int main() {
  ll x,n,ans=200;
  cin>>x>>n;
  vector<ll> a(n);
  vector<ll> b(200); //0~200
  vector<ll>  c(200); //abs
  rep(i,N){
    cin>>a[i];
  }
  rep(i,200){
    b[i]=i; 
    c[i]=abs(a[i]-x);
  }
  bool ahaha=true;
  rep(i,200){
    rep(j,n){
      if(i==a[j]){
        ahaha=false;
      }
    }
    if(ahaha){
      ans=min(c[i], ans);
    }
    else{
      ahaha=true;
    }
  }
  rep(i,n){
    if(x-ans==a[i]){
      cout<<ans+x;
      return 0;
    }
  }
  cout<<x-ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'N' was not declared in this scope
   12 |   rep(i,N){
      |         ^
a.cc:2:43: note: in definition of macro 'rep'
    2 | #define rep(i,n) for (int (i) = 0; (i) < (n); i++)
      |                                           ^
Language: C++

#include<iostream>
using namespace std;



int nearUp(int x, int a[]){
    int r=-1;
    int k=0;
    while(x-1+k<101){
        if(a[x+k]==1){
            r=x+k;
            break;
        }
        k++;
    }
    return r;

}

int nearDn(int x, int a[]){
    int r=-1;
    int k=0;
    while(x-1-k>-1){
        if(a[x-k]==1){
            r=x-k;
            break;
        }
        k++;
    }
    return r;

}

int near(int x,int a[]){
    cout<<"up is "<<up<<endl;
    cout<<"dn is "<<dn<<endl;
    if(up==-1){
        return dn;
    }else if(dn==-1){
        return up;
    }else{
        if(x-dn>up-x){
            return up;
        }else{
            return dn;
        }
    }
}


int main(){
    int x;
    int n;
    int a[101];
    int r=0;
    int hoge;

    cin>>x;
    cin>>n;


    for(int i=0;i<101;i++){
        a[i]=1;
    }

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

  
    

    cout<<near(x,a);
    return 0;

}

Compiler output:
a.cc: In function 'int near(int, int*)':
a.cc:35:21: error: 'up' was not declared in this scope
   35 |     cout<<"up is "<<up<<endl;
      |                     ^~
a.cc:36:21: error: 'dn' was not declared in this scope
   36 |     cout<<"dn is "<<dn<<endl;
      |                     ^~
Language: C

#include<stdio.h>
int main(){
  int X,Y,N,a,i,p[N];
  
  scanf("%d",&X);
  scanf("%d",&N);
  
  for(i=1;i<=N;i++)
    scanf("%d",&p[i]);
  
  
  for(i=1;i<=N;i++){
    a=X-p[i];
    if(X-p[i]>X-p[i+1]){
      a=X-p[i+1];
    }else{
      print(X-a);
  }
    return 0;
  }


Compiler output:
main.c: In function 'main':
main.c:17:7: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   17 |       print(X-a);
      |       ^~~~~
      |       printf
main.c:20:3: error: expected declaration or statement at end of input
   20 |   }
      |   ^
Language: Java



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

public class Main30 {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int x = sc.nextInt();
		int n = sc.nextInt();
		int p;

		ArrayList<Integer> array = new ArrayList<Integer>();
		for(int i=0 ; i<100 ; i++) {
			array.add(i+1);
		}

		for(int i=0; i<n; i++) {
			p = sc.nextInt();
			array.set(p-1, 0);
			//array.remove(p-1);
		}
		sc.close();

		if(n == 0) {
			System.out.println(x);
			return;
		}

		Collections.sort(array);


		for(int i=0 ; i<array.size() ; i++) {
			int a = Math.abs(x - array.get(i));
			int b = Math.abs(x - array.get(i + 1));
			if(array.get(i+1)==0) {b = -1;}
			if(a < b){
				System.out.println(array.get(i));
				break;
			}
			if(a == b && a !=0 && b != 0) {
				System.out.println(array.get(i));
				break;
			}

		}



	}

}


Compiler output:
Main.java:7: error: class Main30 is public, should be declared in a file named Main30.java
public class Main30 {
       ^
1 error
Language: C

#include<stdio.h>
int main(){
  int X,Y,N,p[N];
  
  scanf("%d",&X);
  scanf("%d",&N);
  
  for(i=1;i<=N;i++)
    scanf("%d",&p[i]);
  
  
  for(i=1;i<=N;i++){
    a=X-p[i];
    if(X-p[i]>X-p[i+1]){
      a=X-p[i+1];
    }else{
      print(X-a);
  }
    return 0;
  }

Compiler output:
main.c: In function 'main':
main.c:8:7: error: 'i' undeclared (first use in this function)
    8 |   for(i=1;i<=N;i++)
      |       ^
main.c:8:7: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:5: error: 'a' undeclared (first use in this function)
   13 |     a=X-p[i];
      |     ^
main.c:17:7: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   17 |       print(X-a);
      |       ^~~~~
      |       printf
main.c:20:3: error: expected declaration or statement at end of input
   20 |   }
      |   ^
Language: Java

import java.util.*;
import java.io.*;
public class Solution {
       public static void main(String args[]) {
           Scanner sc = new Scanner(System.in);
           int  x =  sc.nextInt();
           int  y =  sc.nextInt();
           if(y == 0)  {
               System.out.println(x);
           }
           else {
               HashSet<Integer> hs = new HashSet<Integer>();
               for(int i = 0; i < y; i++) {
                          hs.add(sc.nextInt());
               }
               for(int i = 1; i <= 100; i++) {
                          if(hs.contains(x-i) == false) {
                                     System.out.println(x-i);
                                     break;
                          }
                          if(hs.contains(x+i) == false) {
                                     System.out.println(x+i); 
                                     break;
                          }
               }
           }
       }
}
                 

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

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

int main() {
  int X,N;
  cin >> X >> N;
  vector<int> vec1(N);
  vector<int> vec2(100);
  
  for(int i = 0; i < N; i++){
    cin >> vec1.at(i);
  }
  
  for(int i = 0; i < 100; i++){
    vec2.at(i) = i + 1;
  }
  
   for(int i = 0; i < N; i++){
   vec2.at(vec1.at(i) - 1) = -1000;
  }
  
  if(N == 0){
    cout << X;
    return 0;
  }
  else{
    int A = 10000;
    int B = 10000;
    for(int i = 0; X + i <= 100; i++){
    	if((X + i) - vec2.at(X + i - 1) == 0){
          A = i;
          break;
    	}
  	}
    for(int j = 0; X - j >= 0; j++){
    	if((X - j) - vec2.at(X - j - 1) == 0){
          B = j;
          break;
    	}
  	}
    if(A != 10000 && B != 10000){
     if(A < B){
      cout << X + A;
     }
     if(A > B){
      cout << X - B;
     }
     if(A == B){
      cout << X - B;
     }
     return 0;
    }
    if(A == 10000){
      cout << X - B;
      return 0;
    }
    if(B == 10000){
      cout << X + A;
      return 0;
    }
  }
}
}

Compiler output:
a.cc:63:1: error: expected declaration before '}' token
   63 | }
      | ^
Language: C++

#include <iostream>
using namespace std;

int main(){
	int x, n, min;
	cin >> x;
	cin >> n;
	int p[n];
	int q[n];

	for(int i=0; i<n; i++){
		cin >> p[i];
		p[i] = p[i]-x;
		if(p[i] < 0){
			p[i] = p[i] * -1;
		}
	}

	for(int i=0; i<n; i++){
		min = p[i];
		for(int j=i; i<n; j++){
			if(min > p[i+j]){
				min = p[i+j];
			}
		}
		q[i] = min
	}

	min = 0;
	for(int i=0; i<n)
		if(q[i] != min){
			cout << min << endl;
			return 0;
		}
		min++;
	}

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:27: error: expected ';' before '}' token
   26 |                 q[i] = min
      |                           ^
      |                           ;
   27 |         }
      |         ~                  
a.cc:30:25: error: expected ';' before ')' token
   30 |         for(int i=0; i<n)
      |                         ^
      |                         ;
a.cc: At global scope:
a.cc:38:9: error: expected unqualified-id before 'return'
   38 |         return 0;
      |         ^~~~~~
a.cc:39:1: error: expected declaration before '}' token
   39 | }
      | ^
Language: C++

/******************************************
* AUTHOR : AMAN SAXENA *
* "There's some good in this world, and it's worth fighting for." *
* INSTITUTION : KIET Group of Institutions *
******************************************/
#include <bits/stdc++.h>

const long long MODULO=1000000007;
#define FOR(i,a,n) for(int i=a;i<n;i++)
#define FOR1(i,a,n) for(int i=a;i<=n;i++)
#define FOR2(i,a,n) for(int i=a;i>=n;i--)
#define pb push_back
#define mp make_pair
#define ll long long 
#define ull unsigned long long
#define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end)))
#define pi 3.14159265359

using namespace std;

template <typename TYPE> void in(TYPE &x){cin>>x;}

void solve()
{
    int x,n,y, c=0;
    cin >> x >> n;
    int  b[101]={0}, d=x;
    vector<int>s;
    FOR(i,0,n)
    {
        cin >> y;
        s.pb(y);
    }
    sort(s.begin(), s.end());
    FOR(i,0,101)
    {
        vector<int>::iterator it,it1; 
        it= s.find(s.begin(), s.end(),x-i);
        it1= s.find(s.begin(), s.end(),x+i);
        if(it==s.end() && x-i>=s[0] && x-i<=s[n-1])
        {
            c=x-i;
            break;
        }
        else if(it1==s.end() && x+i>=s[0] && x+i<=s[n-1])
        {
            c=x+i;
            break;
        }
    }
    cout << c << '\n';
}

void test()
{
    int t;
    cin>>t;
    while(t--) //for(int j=1;j<=t;j++) cout << "Case #" << j << ": ";
    {
        solve();
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    
    // test();
    solve();
    
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:38:15: error: 'class std::vector<int>' has no member named 'find'
   38 |         it= s.find(s.begin(), s.end(),x-i);
      |               ^~~~
a.cc:39:16: error: 'class std::vector<int>' has no member named 'find'
   39 |         it1= s.find(s.begin(), s.end(),x+i);
      |                ^~~~
Language: C++

/******************************************
* AUTHOR : AMAN SAXENA *
* "There's some good in this world, and it's worth fighting for." *
* INSTITUTION : KIET Group of Institutions *
******************************************/
#include <bits/stdc++.h>

const long long MODULO=1000000007;
#define FOR(i,a,n) for(int i=a;i<n;i++)
#define FOR1(i,a,n) for(int i=a;i<=n;i++)
#define FOR2(i,a,n) for(int i=a;i>=n;i--)
#define pb push_back
#define mp make_pair
#define ll long long 
#define ull unsigned long long
#define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end)))
#define pi 3.14159265359

using namespace std;

template <typename TYPE> void in(TYPE &x){cin>>x;}

void solve()
{
    int x,n,y, c=0;
    cin >> x >> n;
    int  b[101]={0}, d=x;
    vector<int>s;
    FOR(i,0,n)
    {
        cin >> y;
        s.pb(y);
    }
    sort(s.begin(), s.end());
    FOR(i,0,101)
    {
        cout << x+i << ' ' << x-i << '\n';
        if(s.find(s.begin(), s.end(),x-i)==s.end() && x-i>=s[0] && x-i<=s[n-1])
        {
            c=x-i;
            break;
        }
        else if(s.find(s.begin(), s.end(),x+i)==s.end() && x+i>=s[0] && x+i<=s[n-1])
        {
            c=x+i;
            break;
        }
    }
    cout << c << '\n';
}

void test()
{
    int t;
    cin>>t;
    while(t--) //for(int j=1;j<=t;j++) cout << "Case #" << j << ": ";
    {
        solve();
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    
    // test();
    solve();
    
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:38:14: error: 'class std::vector<int>' has no member named 'find'
   38 |         if(s.find(s.begin(), s.end(),x-i)==s.end() && x-i>=s[0] && x-i<=s[n-1])
      |              ^~~~
a.cc:43:19: error: 'class std::vector<int>' has no member named 'find'
   43 |         else if(s.find(s.begin(), s.end(),x+i)==s.end() && x+i>=s[0] && x+i<=s[n-1])
      |                   ^~~~
Language: C++

/******************************************
* AUTHOR : AMAN SAXENA *
* "There's some good in this world, and it's worth fighting for." *
* INSTITUTION : KIET Group of Institutions *
******************************************/
#include <bits/stdc++.h>

const long long MODULO=1000000007;
#define FOR(i,a,n) for(int i=a;i<n;i++)
#define FOR1(i,a,n) for(int i=a;i<=n;i++)
#define FOR2(i,a,n) for(int i=a;i>=n;i--)
#define pb push_back
#define mp make_pair
#define ll long long 
#define ull unsigned long long
#define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end)))
#define pi 3.14159265359

using namespace std;

template <typename TYPE> void in(TYPE &x){cin>>x;}

void solve()
{
    int x,n,y, c=0;
    cin >> x >> n;
    int  b[101]={0}, d=x;
    vector<int>s;
    FOR(i,0,n)
    {
        cin >> y;
        s.pb(y);
    }
    sort(s.begin(), s.end());
    FOR(i,0,101)
    {
        cout << x+i << ' ' << x-i << '\n';
        if(s.find(s.begin(), s.end(),x-i)==s.end() && x-i>=s[0] && x-i<=s[n-1])
        {
            c=x-i;
            break;
        }
        else if(s.count(s.begin(), s.end(),x+i)==s.end() && x+i>=s[0] && x+i<=s[n-1])
        {
            c=x+i;
            break;
        }
    }
    cout << c << '\n';
}

void test()
{
    int t;
    cin>>t;
    while(t--) //for(int j=1;j<=t;j++) cout << "Case #" << j << ": ";
    {
        solve();
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    
    // test();
    solve();
    
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:38:14: error: 'class std::vector<int>' has no member named 'find'
   38 |         if(s.find(s.begin(), s.end(),x-i)==s.end() && x-i>=s[0] && x-i<=s[n-1])
      |              ^~~~
a.cc:43:19: error: 'class std::vector<int>' has no member named 'count'
   43 |         else if(s.count(s.begin(), s.end(),x+i)==s.end() && x+i>=s[0] && x+i<=s[n-1])
      |                   ^~~~~
Language: C++

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

int main() {
  int X, N;
  cin >> X >> N;
  vector<int> p(5);
  // cout << X << N << endl;
  for (int i = 0; i < N; i++) {
    cin >> p[i];
  }
  sort(p.begin(), p.end());

  int m = 100000000;
  vector<int> all(p[p.size() - 1]);
  for (int i = p[0]; i <= p[p.size() - 1]; i++) {
    for (int j = 0; j < N; j++) {
      if(p[j] == i) continue;
    }
    if( X - i  == 1)
      cout << i << endl;
      break;
    }
  }
  // for (int i = 0; i < N; i++) {
  //   int d = abs(X-p[i]);
  //   if (d != 0) {
  //     m = min(m, abs(X-p[i]));
  //   }
  //   cout << m << endl;
  // }
  // cout << m << endl;

    return 0;
}


Compiler output:
a.cc:36:5: error: expected unqualified-id before 'return'
   36 |     return 0;
      |     ^~~~~~
a.cc:37:1: error: expected declaration before '}' token
   37 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
    int X,N;
    int syou=100;
    


    cin >>X>>N;
    vector<int> kazu(N) ;
    int anss,ansb=X;
    int co=1;

    for(int i=0;i<N;i++){
        cin >> kazu.at(i);     
    }

    for(int i=0;i<N;i++){
       if(kazu.at(i)==anss){
           anss--;
           }
    }
    for(int i=0;i<N;i++){
       if(kazu.at(i)==ansb){
           anss++;
           }
    }
    if(abs(X-anss)<abs(ansb-X)&){
        cout<<anss<<endl;
    }
    else if(abs(X-anss)>abs(ansb-X)){
        cout<<ansb<<endl;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:29:32: error: expected primary-expression before ')' token
   29 |     if(abs(X-anss)<abs(ansb-X)&){
      |                                ^
a.cc:34:6: error: expected '}' at end of input
   34 |     }
      |      ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;

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

  if (N == 0) {
    cout << X << endl;
  }
  else {
  vector<int> vec(N);

  for (int i = 0; i < N - 1; i++) {
    cin >> vec.at(i);
  }
  int min;
  min = vec(0)
  for (int i = 0; i < N - 1; i++) {
    if (abs(vec(i) - X) < min && min != 0) {
      min = vec(i)
    }
  }

  cout << min << endl;
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: 'vector' was not declared in this scope
   12 |   vector<int> vec(N);
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:12:10: error: expected primary-expression before 'int'
   12 |   vector<int> vec(N);
      |          ^~~
a.cc:15:12: error: 'vec' was not declared in this scope
   15 |     cin >> vec.at(i);
      |            ^~~
a.cc:18:9: error: 'vec' was not declared in this scope
   18 |   min = vec(0)
      |         ^~~
a.cc:19:19: error: 'i' was not declared in this scope
   19 |   for (int i = 0; i < N - 1; i++) {
      |                   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
//useful library
int long long gcd(int long long a, int long long b){
    return b?gcd(b,a%b):a;
} //最大公約数
int long long lcm(int long long a, int long long b){
    return a/gcd(a,b)*b;
} //最小公倍数
int long long GetDigit(int long long num){
    int long long digit=0;
    while(num!=0){
        num /= 10;
        digit++;
    }
    return digit;
} //桁数
int long long GetDigitN(int long long num, int long long N){
    int long long digit=0;
    while(num!=0){
        num /= N;
        digit++;
    }
    return digit;
} //十進数でnumの際のN進数における桁数

int main(){
    int X, N;
    cin >> X >> N;
    int k = X;
    if(N == 0){
        k = X;
    }
    vector<int> V(N+1);
    if(N != 0){
            for(int i = 0; i < N; i++){
                cin >> V.at(i);
            }
        
        V.at(N) = 100000;
        bool C = false;
        int counter = 0;
        while (C == false || ifz == true){
            if(find(V.begin(), V.end(),k) == V.end()){
                C = true;
            }
            if(counter % 2 == 0){
                k = k - counter;
            }
            else{
                k = k + counter;
            }
            counter = counter + 1;
        }
    }
    cout << k << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:43:30: error: 'ifz' was not declared in this scope
   43 |         while (C == false || ifz == true){
      |                              ^~~
Language: C++

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

int abs (int X, int Y) {
    if(X >= Y) {
        return X - Y;
    } else {
        return Y - X;
    }
}

int main() {
    int X, N;
    cin >> X >> N;
    if(N == 0) {
        cout << X << endl;
        return;
    }
    vector<int> p(N);
    for (int i = 0; i < N; i++) {
        cin >> p.at(i);
    }

    sort(p.begin(), p.end());


    vector<int> V(100);
    for (int i = 1; i <= 100; i++) {
        V.at(i - 1) = i;
    }

    for (int i = 0; i < N; i++) {
        for (int j = 0; j < 100; j++) {
            if (p.at(i) == V.at(j)) {
                V.at(j) = -1;
            }
        }
    }

    sort(V.begin(), V.end());

    int ans;

    for (int i = 1; i < 100; i++){
        ans = V.at(i);

        if (X < V.at(i)){
            if (abs(X, V.at(i - 1)) <= abs(X, V.at(i))) {
                ans = V.at(i - 1);
                if (ans == -1) {
                    ans = V.at(i);
                }
                break;
            } else {
                ans = V.at(i);
                break;
            }
        }
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   17 |         return;
      |         ^~~~~~
Language: C++

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

int main() {
  int x,num,a,b;
  a=0;
  b=0;
  cin >> x >> num;
  vector<int> n(num);
  for(int i=0; i<num;i++){
  	cin >> n.at(i);
  }
  int l,m;
  l=0;
  m=0;
  for(int i=x;i<102;i++){
  	for(int j=0;j<num;j++){
    	if(i!=n.at(j)){
        	l++;
        }
    }
    if(l==num){
    	a=i;
      i=102;
    }
  }

  for(i=x;i>-102;i--){
  	for(int j=0;j<num;j++){
    	if(i!=n.at(j)){
        	m++;
        }
    }
    if(m==num){
    	b=i;
      i=-120;
    }
  }
  int u,r;
  u=a-x;
  r=x-b;
  if(num==0){cout << x << endl;}else{
  if(u>r){cout << b << endl;}
  if(r<u){cout << a << endl;}
  if(u==r){cout << b << endl;}
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:7: error: 'i' was not declared in this scope
   28 |   for(i=x;i>-102;i--){
      |       ^
Language: C++

/******************************************
* AUTHOR : AMAN SAXENA *
* "There's some good in this world, and it's worth fighting for." *
* INSTITUTION : KIET Group of Institutions *
******************************************/
#include <bits/stdc++.h>

const long long MODULO=1000000007;
#define FOR(i,a,n) for(int i=a;i<n;i++)
#define FOR1(i,a,n) for(int i=a;i<=n;i++)
#define FOR2(i,a,n) for(int i=a;i>=n;i--)
#define pb push_back
#define mp make_pair
#define ll long long 
#define ull unsigned long long
#define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end)))
#define pi 3.14159265359

using namespace std;

template <typename TYPE> void in(TYPE &x){cin>>x;}

void solve()
{
    int x,n,y, c=0;
    cin >> x >> n;
    int  b[101]={0}, d=x;
    vector<int>s;
    FOR(i,0,n)
    {
        cin >> y;
        s.pb(y);
    }
    sort(s.begin(), s.end());
    FOR(i,0,101)
    {
        cout << x+i << ' ' << x-i << '\n';
        if(s.find(s.begin(), s.end(),x-i)==s.end() && x-i>=s[0] && x-i<=s[n-1])
        {
            c=x-i;
            break;
        }
        else if(s.count(x+i)====s.end() && x+i>=s[0] && x+i<=s[n-1])
        {
            c=x+i;
            break;
        }
    }
    cout << c << '\n';
}

void test()
{
    int t;
    cin>>t;
    while(t--) //for(int j=1;j<=t;j++) cout << "Case #" << j << ": ";
    {
        solve();
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    
    // test();
    solve();
    
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:38:14: error: 'class std::vector<int>' has no member named 'find'
   38 |         if(s.find(s.begin(), s.end(),x-i)==s.end() && x-i>=s[0] && x-i<=s[n-1])
      |              ^~~~
a.cc:43:19: error: 'class std::vector<int>' has no member named 'count'
   43 |         else if(s.count(x+i)====s.end() && x+i>=s[0] && x+i<=s[n-1])
      |                   ^~~~~
a.cc:43:31: error: expected primary-expression before '==' token
   43 |         else if(s.count(x+i)====s.end() && x+i>=s[0] && x+i<=s[n-1])
      |                               ^~
Language: Java

import java.util.*;

class Main{
  public static void main(String[] args){
    static void swap(int[] a,int idx1, int idx2) {
		int t = a[idx1]; a[idx1] = a[idx2]; a[idx2] = t;
	}

	static void quicksort(int[] a, int left, int right) {
		int pl = left;
		int pr = right;
		int x = a[(pl + pr)/2];
		
		do {
			while(a[pl] < x) pl++;
			while(a[pr] > x) pr--;
			if(pl <= pr)
				swap(a,pl++,pr--);
		}while (pl <= pr);
		
		if(left < pr) quicksort(a,left,pr);
		if(pl < right) quicksort(a,pl,right);
	}
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int X = sc.nextInt(); //整数
		int N = sc.nextInt(); //長さNの整数列
		int[] p = new int[N];
		for (int i = 0; i < N; i++) {
			p[i] = sc.nextInt();
		}
		
		int[] q = new int[N];
		int ans = 0;
		
		if (N != 0) {
			for (int i = 0; i<N ; i++) {
				q[i] = X - p[i];
			}
			quicksort(q,0,N); //配列をクイックソート
			// -2 -1 1 3 5 7
			
			int d = 0;
			int i = 0;
			do{
				for(int j = 0; j < N; j++) {
					if(i != q[j]) {
						ans = i;
						d = 1;
					}
				}
				i = -i/i * (Math.abs(i)+1);
			}while(d == 0);
		}
		else
			ans = X;
		
		System.out.println(ans);
  }
}
  


Compiler output:
Main.java:5: error: illegal start of expression
    static void swap(int[] a,int idx1, int idx2) {
    ^
1 error
Language: C

#include <stdio.h>
#include <stdlib.h>
int main(){
  int a[200],d[200];
  int b,c,i,j,k,tmp,tmp2,count=0;
  scanf("%d %d",&b,&c);
  for(i=0;i<c;i++){
    scanf("%d",&a[i]);
  }
   for(i=0; i<c; ++i){
    for (j=i+1;j<c;++j){
      if(a[i] > a[j]){
        tmp =  a[i];
        a[i] = a[j];
        a[j] = tmp;
      }
    }
  }
  k=0;
  for(i=-5; i<101; ++i){
    for(j=0; j<c; ++j){
      if(i==a[j])count+=1;
    }
    if(count==0){
      d[k]=i;
      k+=1;
    }
    count=0;
  }
  for(i=0; i<k; ++i){
    for (j=i+1;j<k;++j){
  
      if(abs(b-d[i]) => abs(b-d[j])) {
       tmp2 =  d[i];
        d[i] = d[j];
        d[j] = tmp2;
      }
    }
  } 
  printf("%d",d[0]);
    
  return 0;
  }


Compiler output:
main.c: In function 'main':
main.c:33:23: error: expected expression before '>' token
   33 |       if(abs(b-d[i]) => abs(b-d[j])) {
      |                       ^
Language: C++

#include <iostream>
using namespace std;

int main() {
  int X, N, min;
  cin >> X >> N;

  if (N == 0) {
    cout << X << endl;
  }
  else if {
  vector<int> vec(N);

  for (int i = 0; i < N - 1; i++) {
    cin >> vec.at(i);
  }

  min = vec(0)
  for (int i = 0; i < N - 1; i++) {
    if (abs(vec(i) - X) < min && min != 0) {
      min = vec(i)
    }
  }

  cout << min << endl;
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:11: error: expected '(' before '{' token
   11 |   else if {
      |           ^
      |           (
Language: C++

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

void animal (int x,int ar[])

{
	for(int a;a<arr[].size();++a)
	if(x+1 !=ar[])
	cout<<x+1;
	else if(x-1 !=ar[])
	cout<<x-1;
	else
	 
}

int main()
{
  int x,n,arr[100];
  cin>>x>>n;
  for(int i=0; i< n:++i)
  {
  	cin>>arr[i];
  }
  fucc(x,arr);
  return 0;
}

Compiler output:
a.cc: In function 'void animal(int, int*)':
a.cc:7:21: error: 'arr' was not declared in this scope; did you mean 'ar'?
    7 |         for(int a;a<arr[].size();++a)
      |                     ^~~
      |                     ar
a.cc:7:25: error: expected primary-expression before ']' token
    7 |         for(int a;a<arr[].size();++a)
      |                         ^
a.cc:8:21: error: expected primary-expression before ']' token
    8 |         if(x+1 !=ar[])
      |                     ^
a.cc:10:26: error: expected primary-expression before ']' token
   10 |         else if(x-1 !=ar[])
      |                          ^
a.cc:14:1: error: expected primary-expression before '}' token
   14 | }
      | ^
a.cc: In function 'int main()':
a.cc:20:16: warning: range-based 'for' loops with initializer only available with '-std=c++20' or '-std=gnu++20' [-Wc++20-extensions]
   20 |   for(int i=0; i< n:++i)
      |                ^
a.cc:20:20: error: expected ';' before ':' token
   20 |   for(int i=0; i< n:++i)
      |                    ^
      |                    ;
a.cc:24:3: error: 'fucc' was not declared in this scope
   24 |   fucc(x,arr);
      |   ^~~~
a.cc:25:3: error: expected primary-expression before 'return'
   25 |   return 0;
      |   ^~~~~~
a.cc:24:15: error: expected ')' before 'return'
   24 |   fucc(x,arr);
      |               ^
      |               )
   25 |   return 0;
      |   ~~~~~~       
a.cc:20:6: note: to match this '('
   20 |   for(int i=0; i< n:++i)
      |      ^