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

//
// Created by Kiran Chavhan on 05/07/2020.
//

#include<bits/stdc++.h>
#include <unknwn.h>

#define int long long
#define MOD 1000000007
using namespace std;

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int x,n;
    cin>>x>>n;
    vector<int>v(n);
    map<int,int>mp;
    for(int i=0;i<n;i++){
        cin>>v[i];
        mp[v[i]]++;
    }
    sort(v.begin(),v.end());
    int flag=1;
    int i=x,z=0;
    i++;
    int min2=INT_MAX,min1=INT_MAX;
    while(flag){
        if(mp[i]==0){
            if(abs(i-x)<min2){
                min2=abs(i-x);
                z=i;
            }
            flag=0;
        }
        i++;
    }
    flag=1;
    i=x;
    int k=0;
    i--;
    while(flag){
        if(mp[i]==0){
            if(abs(i-x)<min1){
                min1=abs(i-x);
                k=i;

            }
            flag=0;
        }
        i--;
    }
    if(min1<min2)cout<<z;
    else if(min1>min2) cout<<k;
    else cout<<min(z,k);

}

Compiler output:
a.cc:6:10: fatal error: unknwn.h: No such file or directory
    6 | #include <unknwn.h>
      |          ^~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;
import java.util.*;
public class smallestToX {
    public static void main(String []args) {
        Scanner scn= new Scanner(System.in);
        int x= scn.nextInt();
        int n=scn.nextInt();
        int []arr= new int[n];
        HashSet<Integer> map= new HashSet<>();
        for(int i=0;i<n;i++){
            arr[i]=scn.nextInt();
            map.add(arr[i]);
        }
        int diff=0;
        while(true){
            int no=x-diff;
            if(!map.contains(no)){
                System.out.println(no);
                return;
            }
            no=x+diff;
            if(!map.contains(no)){
                System.out.println(no);
                return;
            }
            diff++;
        }
    }
}

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

import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class Solution {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Set<Integer> set = new HashSet<Integer>();
		Scanner scn = new Scanner(System.in);
		
		int x = scn.nextInt();
		int n = scn.nextInt();
		int i = 0 ; 
		while(i < n ) {
			int y = scn.nextInt();
			set.add(y);
			i++;
		}
		
		System.out.println(LeastNumber(set , x));

	}
	public static int LeastNumber(Set<Integer> set , int k) {
		
		int count = 1;
		boolean flag = false;
		
		if(set.isEmpty()) {
			return k;
		}
		
		while(!flag) {
			int min = k - count;
			if(!set.contains(min)) {
				return min;
			}
			int plus = k + count;
			if(!set.contains(plus)) {
				return plus;
			}
			
			count++;
		}
		
		
		return 0;
		
		
	}

}


Compiler output:
Main.java:6: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
1 error
Language: Java

import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class AForbiddenList {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Set<Integer> set = new HashSet<Integer>();
		Scanner scn = new Scanner(System.in);
		
		int x = scn.nextInt();
		int n = scn.nextInt();
		int i = 0 ; 
		while(i < n ) {
			int y = scn.nextInt();
			set.add(y);
			i++;
		}
		
		System.out.println(LeastNumber(set , x));

	}
	public static int LeastNumber(Set<Integer> set , int k) {
		
		int count = 1;
		boolean flag = false;
		
		if(set.isEmpty()) {
			return k;
		}
		
		while(!flag) {
			int min = k - count;
			if(!set.contains(min)) {
				return min;
			}
			int plus = k + count;
			if(!set.contains(plus)) {
				return plus;
			}
			
			count++;
		}
		
		
		return 0;
		
		
	}

}


Compiler output:
Main.java:6: error: class AForbiddenList is public, should be declared in a file named AForbiddenList.java
public class AForbiddenList {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
 
using namespace std;
bool d[110];
 
int main()
{
 int x,n,minV=1e9,res;
  cin>>x>>n;
  for (int i=1;i<=n;++i){ cin>>u;d[u]=true;}
  for (int i=0;i<=101;++i)
  {
    if (d[i] && abs(i-x)<minV)
    {
      res=i;
      minV=abs(i-x);
    }
  cout<<res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'u' was not declared in this scope
   10 |   for (int i=1;i<=n;++i){ cin>>u;d[u]=true;}
      |                                ^
a.cc:20:2: error: expected '}' at end of input
   20 | }
      |  ^
a.cc:7:1: note: to match this '{'
    7 | {
      | ^
Language: C++

#include<bits/stdc++.h>
 
using namespace std;
bool d[110];
 
int main()
{
 int x,n,minV=1e9;
  cin>>x>>n;
  for (int i=1;i<=n;++i){ cin>>u;d[u]=true;}
  for (int i=0;i<=101;++i)
  {
    if (d[i] && abs(i-x)<minV)
    {
      res=i;
      minV=abs(i-x);
    }
  }
  cout<<res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'u' was not declared in this scope
   10 |   for (int i=1;i<=n;++i){ cin>>u;d[u]=true;}
      |                                ^
a.cc:15:7: error: 'res' was not declared in this scope
   15 |       res=i;
      |       ^~~
a.cc:19:9: error: 'res' was not declared in this scope
   19 |   cout<<res;
      |         ^~~
Language: C++

#include<bits/stdc++.h>
 
using namespace std;
bool d[110];
 
int main()
{
 int x,n,minV=1e9,u;
  cin>>x>>n;
  for (int i=1;i<=n;++i){ cin>>u;d[u]=true;}
  for (int i=0;i<=101;++i)
  {
    if (d[i] && abs(i-x)<minV)
    {
      res=i;
      minV=abs(i-x);
    }
  cout<<res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:7: error: 'res' was not declared in this scope
   15 |       res=i;
      |       ^~~
a.cc:18:9: error: 'res' was not declared in this scope
   18 |   cout<<res;
      |         ^~~
a.cc:20:2: error: expected '}' at end of input
   20 | }
      |  ^
a.cc:7:1: note: to match this '{'
    7 | {
      | ^
Language: C++

#include<bits/stdc++.h>
 
using namespace std;
bool d[110];
 
int main()
{
 int x,n,minV=1e9;
  cin>>x>>n;
  for (int i=1;i<=n;++i){ cin>>u;d[u]=true;}
  for (int i=0;i<=101;++i)
  {
    if (d[i] && abs(i-x)<minV)
    {
      res=i;
      minV=abs(i-x);
    }
  cout<<res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'u' was not declared in this scope
   10 |   for (int i=1;i<=n;++i){ cin>>u;d[u]=true;}
      |                                ^
a.cc:15:7: error: 'res' was not declared in this scope
   15 |       res=i;
      |       ^~~
a.cc:18:9: error: 'res' was not declared in this scope
   18 |   cout<<res;
      |         ^~~
a.cc:20:2: error: expected '}' at end of input
   20 | }
      |  ^
a.cc:7:1: note: to match this '{'
    7 | {
      | ^
Language: C++

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

int main(){
  int x,n;
  cin>>n>>x;
  set<int>s;
  for(int i=0;i<n;i++){
    int k;
    cin>>k;
    s.insert(k);
  }
  int index;
  int mini=10000;
  for(int i=x;i>-1000;i--){
    if(s.count(i)==0){
      if(mini>abs(x-i)){
        mini=abs(x-i);
        index=i;
        break;
      }
    }
  }
  for(int i=x;i<1000;i++){
    if(s.count(i)==0){
      if(mini>abs(x-i)){
        mini=abs(x-i);
        index=i;
        break;
      }
    }
  }
  cout<<index;
  return 0;
}
    

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespaxe'
    2 | using namespaxe 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>>x;
      |   ^~~
      |   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:7:3: error: 'set' was not declared in this scope
    7 |   set<int>s;
      |   ^~~
a.cc:7:3: note: suggested alternatives:
In file included from /usr/include/c++/14/set:63,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:158:
/usr/include/c++/14/bits/stl_set.h:96:11: note:   'std::set'
   96 |     class set
      |           ^~~
/usr/include/c++/14/set:87:13: note:   'std::pmr::set'
   87 |       using set = std::set<_Key, _Cmp, polymorphic_allocator<_Key>>;
      |             ^~~
a.cc:7:7: error: expected primary-expression before 'int'
    7 |   set<int>s;
      |       ^~~
a.cc:11:5: error: 's' was not declared in this scope
   11 |     s.insert(k);
      |     ^
a.cc:16:8: error: 's' was not declared in this scope
   16 |     if(s.count(i)==0){
      |        ^
a.cc:25:8: error: 's' was not declared in this scope
   25 |     if(s.count(i)==0){
      |        ^
a.cc:33:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   33 |   cout<<index;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostream>
#include <vector>
#include <climits>

using namespace std;

int main()
{
  int x,n,diff=0,min=INT_MAX,elem;
  cin>>x>>n;
  elem = x;
  
  if(n==0) cout<<x<<endl;
  else
  {
    for(int i=0;i<n;i++) cin>v[i];
    
    sort(v.begin(),v.end());
    
    for(auto i : v)
    {
      diff = abs(x-v[i]);
      if(diff<min) min=diff, elem=i;
    }
    
    cout<<elem<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:30: error: 'v' was not declared in this scope
   16 |     for(int i=0;i<n;i++) cin>v[i];
      |                              ^
a.cc:18:10: error: 'v' was not declared in this scope
   18 |     sort(v.begin(),v.end());
      |          ^
a.cc:18:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   18 |     sort(v.begin(),v.end());
      |     ^~~~
      |     short
Language: C++

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

using namespace std;
using p=pair<int,int>;
typedef long long ll;

int main() {
  int x,n ;
  cin >> x >> n;
  vector<int>d(102);
  rep(i,n){
    int p;
    cin >>p;
    d[p]=1;
  }
  p ans(99999,-1);
  for(int i=0; i <=101 ;i++){
    if(d[p]==1)continue;
    int dif =abs(x-i);
    ans = min(ans,p(dif,i));
  }
  cout << ans.second << endl;

  return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:11: error: expected primary-expression before ']' token
   19 |     if(d[p]==1)continue;
      |           ^
Language: C++

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

using namespace std;
using p=pair<int,int>;
typedef long long ll;

int main() {
  int x,n ;
  cin >> x >> n;
  vector<int>d(102);
  rep(i,n){
    int p;
    cin >>p:
    d[p]=1;
  }
  p ans(99999,-1);
  for(int i=0; i <=101 ;i++){
    if(d[p]==1)continue;
    int dif =abs(x-i);
    ans = min(ams,p(dif,i));
  }
  cout << ans.second << endl;

  return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: found ':' in nested-name-specifier, expected '::'
   14 |     cin >>p:
      |            ^
      |            ::
a.cc:15:5: error: 'd' is not a member of 'p' {aka 'std::pair<int, int>'}
   15 |     d[p]=1;
      |     ^
a.cc:19:11: error: expected primary-expression before ']' token
   19 |     if(d[p]==1)continue;
      |           ^
a.cc:21:15: error: 'ams' was not declared in this scope; did you mean 'ans'?
   21 |     ans = min(ams,p(dif,i));
      |               ^~~
      |               ans
Language: C++

#include <stdio.n>

bool chk[111];
int x,n;

int main()
{
  scanf ("%d %d",&x,&n);
  for (int i=0;i<n;i++){
int v; scanf ("%d",&v); chk[v] = 1;
  }
  for (int d=0;;d++){
    if (!chk[x-d]){
printf ("%d\n",x-d);
      break;
    }
    if (!chk[x+d]){
printf ("%d\n",x+d);
      break;
    }
  }
return 0;
}

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

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int x,n;
    cin>>x>>n;
    int p;
    int b[102]={0};
    for(int i=0;i<n;i++)
    {
        cin>>p;
        b[p]++;
    }
    if(n==0)
        cout<<x<<endl;
    else
    {
        int pr=x-1;
        int aag=x+1;
        while(1)
        {
            if(b[pr]!=0 && b[aag]==0)
            {
                cout<<aag<<endl;
                break;
            }
            else if(b[pr]==0 && b[aag]!=0)
            {
                cout<<pr<<endl;
                break;
            }
            else if((b[pr]==1 && b[aag]==1) && aag<=102))
            {
                pr--;
                aag++;
            }
            else if(b[pr]==0 && b[aag]==0)
            {
                cout<<pr<<endl;
                break;
            }
        }
        }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:57: error: expected primary-expression before ')' token
   32 |             else if((b[pr]==1 && b[aag]==1) && aag<=102))
      |                                                         ^
Language: C++

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

int main(){
    int X, N;
    int p;
  	int array[101]={};
    cin>> X>> N;
    for(int i = 0; i<N; i++){
      cin >>p; 
      array[p]=1;
    }
  	for(int i=0; i<N/2;i++){
	if (X-i>0 && array[X-i]>0){
      cout << X-i<<endl;
      return 0;
    } elif(X+i<101 && array[X+i]>0)
      cout << X+i<<endl;
      return 0;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:7: error: 'elif' was not declared in this scope
   19 |     } elif(X+i<101 && array[X+i]>0)
      |       ^~~~
Language: C++

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

int main(){
    int x,n;
    cin >> x >> n;
    vector<int> d(102);
    rep(i,n) {
        int p;
        cin >> p;
        d[p] = 1;
    }
    for(int i = 0; i <= 101; i++){
        if(d[i] == 1) continue;
        int dif = abs(x - i);
        ans = min(ans, P(dif,i));
    }
    cout << ans.second << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   19 |         ans = min(ans, P(dif,i));
      |         ^~~
      |         abs
a.cc:21:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   21 |     cout << ans.second << endl;
      |             ^~~
      |             abs
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
    int x,n,z,now,j;
    cin >> x >> n;
    int a[101];
    a[0]=1;
    for(int i=0;i<n;i++){
        cin >> z;
        a[z]=1;
    }
    for(int i=0;i<100;i++){
        j = x - 2*i;
        if(a[j]==0){
            cout << j;
            return 0;
        }
        j = x + 2*i;
        if(a[j]==0){
            cout << j;
            return 0;
        }        
    }


    cout << ans;
    return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:26:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   26 |     cout << ans;
      |             ^~~
      |             abs
Language: C++

#include <bits/stdc++.h> //全てのヘッダファイルをインクルード

//ループ
#define rep(i, n) for(int i = 0; i < n; i++) //普通のループ
#define repr(i, n) for(int i = n; i >= 0; i--) //逆ループ

//型名省略
typedef long long ll;
//値
static const ll MX = 100005;
static const ll MX_ll = 1e18;

using namespace std;

//#include "./lib/generic/search.h"

int main(){
    int  n, m, k;
    con >> n >> m >> k;
    vector<int> a(n);
    vector<int> b(m);
    rep(i,n) cin >> a[i];
    rep(i,m) cin >> b[i];

    ll t=0;
    rep(i,m) t+=b[i]; //m冊全部読んだことにする

    int j = m;
    int ans=0;
    rep(i, n+1){ //aからi冊選ぶことを示す。最初はiが0冊のときから計算
         while(j>0 && t>k){ //合計時間がkを超えていたら1冊ずつ諦めていく。break条件はtがkを超えているか、諦められる本がない状況
             --j;
             t -= b[j];
        }
        if(t > k) break; //諦められる本がないならbreak
        ans = max(ans, i+j); //iはaの冊数、jはbの冊数
        if(i==n) break;
        t += a[i]; //次のループからは1冊読んでいる状況
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'con' was not declared in this scope; did you mean 'cos'?
   19 |     con >> n >> m >> k;
      |     ^~~
      |     cos
Language: C++

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

int main(){	
	int x,n;
	cin >> x >> n;
	vector<int> d(102);
	rep(i,n){
		int p;
		cin >> p;
		d[p] = 1;
	}
	pair<int ,int> ans(99999, -1);
	for(int i=0; i<=101; ++i){
		if(d[i] == 1) continue;
		int dif = abs(x-i);
		ans = min(ans, pair<int,int>(dif,i));
	return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:21:2: error: expected '}' at end of input
   21 | }
      |  ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

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

int main()
{
  int X, N;
  cin >> X >> N;
  vector<int> p, d;
  
  for(int i=0; i<N; i++) {// remove p(i) from above list
    int temp;
    cin >> temp;
    p.push_back(temp);
  }
  for(int i=0; i<=100; i++) {
    vector<int>::iterator itr;
    if(X-i>0 && (itr=find(p.begin(), p.end(), X - i)) == p.end()) {
      cout << X - i << endl;
      return 0;
    }
    if(x+i<=100 && (itr=find(p.begin(), p.end(), X + i)) == p.end()) {
      cout << X + i << endl;
      return 0;
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:8: error: 'x' was not declared in this scope
   23 |     if(x+i<=100 && (itr=find(p.begin(), p.end(), X + i)) == p.end()) {
      |        ^
Language: C++

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

int main()
{
  int X, N;
  cin >> X >> N;
  vector<int> p, d;
  
  for(int i=0; i<N; i++) {// remove p(i) from above list
    int temp;
    cin >> temp;
    p.push_back(temp);
  }
  for(int i=0; i<=100; i++) {
    vector<int>::iterator itr;
    if(X-i>0 && (itr=find(p.begin(), p.end(), X - i)) == p.end()) {
      cout << X - i << endl;
      return 0;
    }
    if(x+u<=100 && (itr=find(p.begin(), p.end(), X + i)) == p.end()) {
      cout << X + i << endl;
      return 0;
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:8: error: 'x' was not declared in this scope
   23 |     if(x+u<=100 && (itr=find(p.begin(), p.end(), X + i)) == p.end()) {
      |        ^
a.cc:23:10: error: 'u' was not declared in this scope
   23 |     if(x+u<=100 && (itr=find(p.begin(), p.end(), X + i)) == p.end()) {
      |          ^
Language: C++

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

int main()
{
  int X, N;
  vector<int> p, d;
  
  for(int i=100; i>=1; i--)//create list from 100 to 1
    p.push_back(i);
  for(int i=0; i<N; i++) {// remove p(i) from above list
    int temp;
    cin >> temp;
    p.erase(std::remove(p.begin(), p.end(), temp), v.end());
  }
  for(int i=0; i<p.size(); i++)// create distance list
    d[i] = abs(p[i] - X);
  
  vector<int>::iterator itr;
  itr = min_element(d.begin(), d.end());//find minimum distance
  int index = distance(d.begin(), itr);
  cout << p[index] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:52: error: 'v' was not declared in this scope
   16 |     p.erase(std::remove(p.begin(), p.end(), temp), v.end());
      |                                                    ^
Language: C++

#include <iostream>
#include <vector>
#include <iterator>

using namespace std;

int main() {
    int x, n;
    vector<int> v;
    while(n--){
        int t = 0;
        cin >> t;
        v.push_back(t);
    }
    int g = x - 1;
    vector<int>::iterator it = find(v.begin(), v.end(), g);
    while(it != v.end()) {
        g--;
        it = find(v.begin(), v.end(), g);
    }
    cout << g << '\n';

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:36: error: no matching function for call to 'find(std::vector<int>::iterator, std::vector<int>::iterator, int&)'
   16 |     vector<int>::iterator it = find(v.begin(), v.end(), g);
      |                                ~~~~^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
                 from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note:   template argument deduction/substitution failed:
a.cc:16:36: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::istreambuf_iterator<_CharT>'
   16 |     vector<int>::iterator it = find(v.begin(), v.end(), g);
      |                                ~~~~^~~~~~~~~~~~~~~~~~~~~~~
a.cc:19:18: error: no matching function for call to 'find(std::vector<int>::iterator, std::vector<int>::iterator, int&)'
   19 |         it = find(v.begin(), v.end(), g);
      |              ~~~~^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note:   template argument deduction/substitution failed:
a.cc:19:18: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::istreambuf_iterator<_CharT>'
   19 |         it = find(v.begin(), v.end(), g);
      |              ~~~~^~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(void)
{
    int X, N;
    int p[10];

    cin >> X >> N;
    bool samef = false;
    for(int i = 0; i < N; i++){
        cin >> p[i];
        if(X == p[i])   samef = true;
    }
    if(samef == false)   cout << X; 
    else{
        sort(p, p + N);
        
        int xIndex;
        for(int i = 0; i < N; i++){
            if(X == p[i]){
                xIndex = i;
                break;
            }
        }
        int ans;
        for(int d = X--, di = xIndex--; 1; di--, d--){
            if(di < 0 || d != p[di]){
                ans = d;
                break;
            }
        }
        for(int u = X++, ui = xIndex++; 1; ui++, u++){
            if(ui >= N || u != p[ui]){
                if(u - X < X - ans){
                    ans = u;
                }
                break;
            }
        cout << ans;
    }
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:2: error: expected '}' at end of input
   45 | }
      |  ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C++

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

int main(){
  int x,n;
  cin >> x >> n;
  int arr[n];
  int mini = 1000001,m = 100001;
  int great = -1,ans;
  map <int,bool> mp; 
  for(int i = 0; i < n; i++){
    cin >> arr[i];
    great = max(arr[i],great);
    mp[arr[i]] = true;
  }
  for(int i = 1; i <= great; i++){
    if(mp[i]) continue;
    int tmp = abs(i - x);
    
    if(tmp < mini){
      mini = tmp;
      ans = i;
    }
    if(tmp == mini){
      if(i < ans) ans = i;
  }
  cout << ans;

Compiler output:
a.cc: In function 'int main()':
a.cc:27:15: error: expected '}' at end of input
   27 |   cout << ans;
      |               ^
a.cc:16:34: note: to match this '{'
   16 |   for(int i = 1; i <= great; i++){
      |                                  ^
a.cc:27:15: error: expected '}' at end of input
   27 |   cout << ans;
      |               ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: Java

import java.util.HashSet;
import java.util.Scanner;
public class TestC_170 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int integerX = sc.nextInt();  //元の整数
		int youso = sc.nextInt();  //整数列の要素数
		HashSet<Integer> list = new HashSet<Integer>();  //整数列を入れるリスト

		//配列を入力
		for(int i=0 ; i<youso ; i++) {
			list.add(sc.nextInt());
		}

		int i = integerX-1;
		int j = integerX+1;

		if(list.isEmpty() == true) {
			System.out.println(integerX);
			return;
		}

		for(;;) {
			if(list.contains(i)) {
				i--;
			}
			else{
				System.out.println(i);
				return;
			}

			if(list.contains(j)) {
				j++;
			}
			else {
				System.out.println(j);
				return;
			}
		}
	}
}

Compiler output:
Main.java:3: error: class TestC_170 is public, should be declared in a file named TestC_170.java
public class TestC_170 {
       ^
1 error
Language: Java

import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int x = scan.nextInt();
    int n = scan.nextInt();
    int [] a = new int[101];
    for (int i=0;i<102;i++){
      a[i] = i-1
    }
    for (int j=0;j<n;j++){
      int t = scan.nextInt();
      a[t+1] = -2;
    }
    int small = 101;
    int val = -3;
    for (int p=0;p<102;p++){
      if (a[p] == -2){
        continue;
      }
      int abs = x-a[p];
      if (abs < 0){
        abs = -abs
      }
      if (abs < small){
        small = abs;
        val = a[p];
      }
    }

    System.out.println(val);
  }
}

Compiler output:
Main.java:10: error: ';' expected
      a[i] = i-1
                ^
Main.java:24: error: ';' expected
        abs = -abs
                  ^
2 errors
Language: C++

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

int main()
{
	int x, n;

	cin >> x >> n;

	if (n == 0)
	{
		cout << x << endl;
		return 0;
	}

	int sa(INT_MAX);
	vector<int> pn;
	for (size_t i = 0; i < n; i++)
	{
		int p(0),diff;
		cin >> p;
		pn.push_back(p);
		sa = min(abs(x - p),sa);
	}
	for (size_t i = 1; i < n; i++)
	{
		std::find(pn.begin(), pn.end(), x+sa+i);
		if (pn.end() == std::find(pn.begin(), pn.end(), x - (sa + i)))
		{
			cout << x - (sa + i) << endl;
			return 0;
		}
		else if (pn.end() == std::find(pn.begin(), pn.end(), x + sa + i))
		{
			cout << x + (sa + i) << endl;
		}
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:16: error: 'INT_MAX' was not declared in this scope
   18 |         int sa(INT_MAX);
      |                ^~~~~~~
a.cc:4:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include <algorithm>
  +++ |+#include <climits>
    4 | using namespace std;
Language: C++

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

int main(){
  int X, N;
  std::cin>>X>>N;
  
  std::vector<int> v(100, 1);
  int ans;
  int ansdiff = 100;
  
  if(N==0){
  	std::cout<<X;
  }
  else if(N ==100){
  	std::cout<<"-1";
  }
  else{
    for(int i=0; i<N; i++){
      int k;
      std::cin>>k;
      v[k-1] = 0;
    }

    for(int i0=0; i0<100; i0++){
    
      if(v[i0]==1 & abs(i0 - X +1) < ansdiff){
        //std::cout<<abs(i0 - X +1)<<std::endl;
      	ansdiff = abs(i0 - X +1);
        ans = i0+1;
      }
      
    }
    
    if(X+1 =< ansdiff){
    	std::cout<<"-1";
    }else{
    	std::cout<<ans;
    }
  }
  
  
 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:37:13: error: expected primary-expression before '<' token
   37 |     if(X+1 =< ansdiff){
      |             ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int x, n;
  cin >> x >> n;
	int p[n];
  for(int i = 0; i < n; i++)
  {
    	cin >> p[i];
  }
  int s[]={-1,1};
  for(int i = 0; i < 101; i++)
  {
    int k = 0, flag = 0;
    	for(int j =0;j<1; j++)
        {
          	int z = X+i*s[j];
          	int a = 0;
          	for(int k = 0; k < n; k++)
            {
              	if(p[i]==z)
                {
                  	a++;
                }
            }
          	if(a==0)
            {
              k=z;
              flag = 1;
              break;
            }
        }
    	if(flag==1)
        {
          	cout << z;
          	break;
        }
  	}
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:18:25: error: 'X' was not declared in this scope
   18 |                 int z = X+i*s[j];
      |                         ^
a.cc:36:25: error: 'z' was not declared in this scope
   36 |                 cout << z;
      |                         ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int x, n;
  cin >> x >> n;
  int b[101], p;
  memset(b,0,size(b));
 for(int i = 0; i < n; i++)
 {
   	cin >> p;
   b[p]=1;
 }
  int ans = INT_MAX, res = -1;
  for(int i = 1; i < 101; i++)
  {
    	if(b[p]==0)
        {
          ans = min(ans, abs(i-x));
          if(ans==abs(i-x))
          {
            res = i;
          }
        }
  }
  cout << res
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:14: error: expected ';' before '}' token
   26 |   cout << res
      |              ^
      |              ;
   27 | }
      | ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int x, n;
  cin >> x >> n;
  int b[101], p;
  memset(p,0,size(p));
 for(int i = 0; i < n; i++)
 {
   	cin >> p;
   b[p]=1;
 }
  int ans = INT_MAX, res = -1;
  for(int i = 1; i < 101; i++)
  {
    	if(b[p]==0)
        {
          ans = min(ans, abs(i-x));
          if(ans==abs(i-x))
          {
            res = i;
          }
        }
  }
  cout << res
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: no matching function for call to 'size(int&)'
    8 |   memset(p,0,size(p));
      |              ~~~~^~~
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/range_access.h:262:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  262 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:262:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&) [with _Container = int]':
a.cc:8:18:   required from here
    8 |   memset(p,0,size(p));
      |              ~~~~^~~
/usr/include/c++/14/bits/range_access.h:263:24: error: request for member 'size' in '__cont', which is of non-class type 'const int'
  263 |     -> decltype(__cont.size())
      |                 ~~~~~~~^~~~
/usr/include/c++/14/bits/range_access.h:272:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  272 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:272:5: note:   template argument deduction/substitution failed:
a.cc:8:18: note:   mismatched types 'const _Tp [_Nm]' and 'int'
    8 |   memset(p,0,size(p));
      |              ~~~~^~~
a.cc:26:14: error: expected ';' before '}' token
   26 |   cout << res
      |              ^
      |              ;
   27 | }
      | ~
Language: C++

#include <iostream>
using namespace std;

int main() {
    int x,n;
    cin>>x>>n;
    set<int> s;
    for(int i=0;i<n;i++)
    {
      int k;
      cin>>k;
      s.insert(k);
    }
    if(s.find(x)==s.end())
    {
      cout<<x<<endl;
    }
    else
    {
       while(1)
       {
         int a = x--;
         int b = x++;
          if(s.find(a)==s.end())
          {
            cout<<a<<endl;
            break;
          }
          if(s.find(b)==s.end())
          {
            cout<<b<<endl;
            break;
          }
       }
    }
    
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'set' was not declared in this scope
    7 |     set<int> s;
      |     ^~~
a.cc:2:1: note: 'std::set' is defined in header '<set>'; this is probably fixable by adding '#include <set>'
    1 | #include <iostream>
  +++ |+#include <set>
    2 | using namespace std;
a.cc:7:9: error: expected primary-expression before 'int'
    7 |     set<int> s;
      |         ^~~
a.cc:12:7: error: 's' was not declared in this scope
   12 |       s.insert(k);
      |       ^
a.cc:14:8: error: 's' was not declared in this scope
   14 |     if(s.find(x)==s.end())
      |        ^
Language: C

#include<stdio.h>

int main() { 
    int x, n;
    int A[n];

    scanf("%d %d", &x, &n);
    for (int i = 0; i < n; i++) { 
        scanf("%d", &A[i]);
    } 

    for (int i = 0; i < 6; i++) { 
        int a = x - i;
        int b = x + i;
        for (int j = 0; j < n; j++) { 
            if (a == A[j]) goto loopend;
        } 

        printf("%d", a);

        for (int j = 0; j < n; j++) { 
            if (b == A[j]) goto loopend;
        } 

        printf("%d", b);
        loopend:
 

        continue;
    }

    return 0;         

Compiler output:
main.c: In function 'main':
main.c:32:5: error: expected declaration or statement at end of input
   32 |     return 0;
      |     ^~~~~~
Language: C

#include<stdio.h>

int main() {
    int x, n;
    int A[];

    scanf("%d %d", &x, &n);
    for (int i = 0; i < n; i++) {
        scanf("%d", &A[i]);
    }

    for (int i = 0; i < 6; i++) {
        int a = x - i;
        int b = x + i;
        for (int j = 0; j < n; j++) {
            if (a == A[j]) goto loopend;
        }

        printf("%d", a);

        for (int j = 0; j < n; j++) {
            if (b == A[j]) goto loopend;
        }

        printf("%d", b);
        loopend:
    }                                                                                               

    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:5:9: error: array size missing in 'A'
    5 |     int A[];
      |         ^
Language: Java

import java.util.*;

class Main{
	public static void main(String args[]){
      Scanner in = new Scanner(System.in);  
      int x = in.nextInt();
      int n = in.nextInt();
      int[] arr = new int[101];
      for (int i = 0; i < n; i++){
      	arr[in.nextInt()] = 1; 
      }
      int val1 = -1;
      int val2 = -1;
      for (int i = x; i < 101; i++)
        if (arr[i] == 0){
        	val1 = i;
            break;
        }
      
      for (int i = x; i > 0; i--)
        if (arr[i] == 0){
        	val2 = i;
            break;
        }
      
      System.out.println(Math.min(arr1, arr2));
    }
  
}


Compiler output:
Main.java:26: error: cannot find symbol
      System.out.println(Math.min(arr1, arr2));
                                  ^
  symbol:   variable arr1
  location: class Main
Main.java:26: error: cannot find symbol
      System.out.println(Math.min(arr1, arr2));
                                        ^
  symbol:   variable arr2
  location: class Main
2 errors
Language: C++

/*
                       _oo0oo_
                      o8888888o
                      88" . "88
                      (| -_- |)
                      0\  =  /0
                    ___/`---'\___
                  .' \\|     |// '.
                 / \\|||  :  |||// \
                / _||||| -:- |||||- \
               |   | \\\  -  /// |   |
               | \_|  ''\---/''  |_/ |
               \  .-\__  '-'  ___/-. /
             ___'. .'  /--.--\  `. .'___
          ."" '<  `.___\_<|>_/___.' >' "".
         | | :  `- \`.;`\ _ /`;.`/ - ` : | |
         \  \ `_.   \_ __\ /__ _/   .-` /  /
     =====`-.____`.___ \_____/___.-`___.-'=====
                       `=---='
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
  Vikash Kumar @ Codechef/codeforces 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/   
#include<bits/stdc++.h>
 
#define ll                    long long int
#define ll_MAX                LLONG_MAX
#define ll_MIN                LLONG_MIN
#define pi                    3.14159265358979323846
#define count_1(n)            __builtin_popcountll(n)
#define MOD                   1000000007
#define MAX                   1e9
#define MIN                   -1e9
#define itoc(c)               ((char)(((int)'0')+c))
#define mid(s,e)              (s+(e-s)/2)
const int MX=10010896;
const int lmt=3164;
const int N=10000001;
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
using namespace std;
ll extgcd(ll a,ll b,ll& x,ll& y){if(b==0){x=1;y=0;return a;}else{int g=extgcd(b,a%b,y,x);y-=a/b*x;return g;}}
ll modpow(ll a,ll b) {ll res=1;a%=MOD;for(;b;b>>=1){if(b&1)res=res*a%MOD;a=a*a%MOD;}return res;}

inline void solve(){
    /*_Start_*/
    int x,n;
    cin>>x>>n;
    int arr[n];
    unordered_map<int,int> mp;
    for(int i=0;i<n;i++){
      cin>>arr[i];
      mp[arr[i]]++;
    }
    int d1=x,d2=x;
    while(mp[d1]){
      d1--;
    }
    while(mp[d2]){
      d2++;
    }
    if(abs(d1-x)==abs(d2-x))
      cout<<(d1,d2)<<"\n";
    else if(abs(d1-x)<abs(d2-x))
      cout<<d1<<"\n";
    else
      cout<<d2<<"\n";

    //cout<<min(d1,d2)<<"\n";

    /*_End_*/
   
}

int main()
{
	cout<<fixed<<setprecision(12);
	freopen("input.txt", "r", stdin);
	fastio;ll;//  t=1,tc=1;
	//cin>>t;
	while(t--){solve();}return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:41: error: declaration does not declare anything [-fpermissive]
   26 | #define ll                    long long int
      |                                         ^~~
a.cc:78:16: note: in expansion of macro 'll'
   78 |         fastio;ll;//  t=1,tc=1;
      |                ^~
a.cc:80:15: error: 't' was not declared in this scope; did you mean 'tm'?
   80 |         while(t--){solve();}return 0;
      |               ^
      |               tm
Language: C++

#include <iostream>
using namespace std;
int main(){
  int X,N;
  int p[N];
  cin >> X >> N;
  for (int i=0;i==N-1;i++){
    cin >> p[i];
  }
  int z1[100] == {0};
  int z2[100] == {0};
  for (int i=0;i==N-1;i++){
    if (-1<X-p[i]<101) z1[X-p[i]]=1;
    if (-101<X-p[i]<1) z2[-1*(X-p[i])]=1;
  }
  for (int i=0;i==N-1;i++){
    if (z1[i]==0) {
      cout << X-i;
      break;
    }else if (z2[i]==0) {
      cout << X+i;
      break;
    }
  }

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: expected initializer before '==' token
   10 |   int z1[100] == {0};
      |               ^~
a.cc:11:15: error: expected initializer before '==' token
   11 |   int z2[100] == {0};
      |               ^~
a.cc:13:24: error: 'z1' was not declared in this scope
   13 |     if (-1<X-p[i]<101) z1[X-p[i]]=1;
      |                        ^~
a.cc:14:24: error: 'z2' was not declared in this scope
   14 |     if (-101<X-p[i]<1) z2[-1*(X-p[i])]=1;
      |                        ^~
a.cc:17:9: error: 'z1' was not declared in this scope
   17 |     if (z1[i]==0) {
      |         ^~
a.cc:20:15: error: 'z2' was not declared in this scope
   20 |     }else if (z2[i]==0) {
      |               ^~
Language: C++

#include <iostream>
using namespace std;
int main(){
  int X,N;
  int p[N];
  cin >> X >> N;
  for (int i=0;i==N-1;i++){
    cin >> p[i];
  }
  int n=0;
  int z1[100] = {0};
  int z2[100] = {0};
  for (int i=0;i==N-1;i++){
    if (-1<X-p[i]) z1[X-p[i]]=1;
    if (X-p[i]<1) z2[-1*(X-p[i])]=1;
  }
  for (int i=0;i==N-1;i++){
    if (z1[i]==0) {
      cout << X-i;
      break;
    }else if (z2[i]==0) {
      cout << X+i;
      break;
    }

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:2: error: expected '}' at end of input
   27 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;
int main(){
  int X,N;
  int p[N];
  cin >> X >> N;
  for (int i=0;i==N-1;i++){
    cin >> p[i];
  }
  int n=0;
  int z1[100] == {0};
  int z2[100] == {0};
  for (int i=0;i==N-1;i++){
    if (-1<X-p[i]<101) z1[X-p[i]]=1;
    if (-101<X-p[i]<1) z2[-1*(X-p[i])]=1;
  }
  for (int i=0;i==N-1;i++){
    if (z1[i]==0) {
      cout << X-i;
      break;
    }else if (z2[i]==0) {
      cout << X+i;
      break;
    }

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: expected initializer before '==' token
   11 |   int z1[100] == {0};
      |               ^~
a.cc:12:15: error: expected initializer before '==' token
   12 |   int z2[100] == {0};
      |               ^~
a.cc:14:24: error: 'z1' was not declared in this scope
   14 |     if (-1<X-p[i]<101) z1[X-p[i]]=1;
      |                        ^~
a.cc:15:24: error: 'z2' was not declared in this scope
   15 |     if (-101<X-p[i]<1) z2[-1*(X-p[i])]=1;
      |                        ^~
a.cc:18:9: error: 'z1' was not declared in this scope
   18 |     if (z1[i]==0) {
      |         ^~
a.cc:21:15: error: 'z2' was not declared in this scope
   21 |     }else if (z2[i]==0) {
      |               ^~
a.cc:27:2: error: expected '}' at end of input
   27 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;
int main(){
  int X,N;
  int p[N];
  cin >> X >> N;
  for (int i=0;1;i==N-1){
    cin >> p[i];
  }
  int n=0;
  int z1[100] == {0};
  int z2[100] == {0};
  for (int i=0;1;N-1){
    if (-1<X-p[i]<101) z1[X-p[i]]=1;
    if (-101<X-p[i]<1) z2[-1*(X-p[i])]=1;
  }
  for (int i=0;1;N-1){
    if (z1[i]==0) {
      cout << X-i;
      break;
    }else if (z2[i]==0) {
      cout << X+i;
      break;
    }

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: expected initializer before '==' token
   11 |   int z1[100] == {0};
      |               ^~
a.cc:12:15: error: expected initializer before '==' token
   12 |   int z2[100] == {0};
      |               ^~
a.cc:14:24: error: 'z1' was not declared in this scope
   14 |     if (-1<X-p[i]<101) z1[X-p[i]]=1;
      |                        ^~
a.cc:15:24: error: 'z2' was not declared in this scope
   15 |     if (-101<X-p[i]<1) z2[-1*(X-p[i])]=1;
      |                        ^~
a.cc:18:9: error: 'z1' was not declared in this scope
   18 |     if (z1[i]==0) {
      |         ^~
a.cc:21:15: error: 'z2' was not declared in this scope
   21 |     }else if (z2[i]==0) {
      |               ^~
a.cc:27:2: error: expected '}' at end of input
   27 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;
int main(){
  int X,N;
  int p[N];
  cin >> X >> N;
  for (int i=0;1;N-1){
    cin >> p[i];
  }
  int n=0;
  while (0){
    int f1=0;
    int f2=0;
    for (int i=0;1;N-1){
      if (p[i]==X-n) f1=1;
      else if (p[i]==X+n) f2=1;
    }
    if (f1==0) {
      cout << X-n;
      break;
    }else if ((F2==0) {
      cout << X+n;
      break;
    }else{
      n++;
    }
              }

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:16: error: 'F2' was not declared in this scope; did you mean 'f2'?
   21 |     }else if ((F2==0) {
      |                ^~
      |                f2
a.cc:21:22: error: expected ')' before '{' token
   21 |     }else if ((F2==0) {
      |              ~       ^~
      |                      )
a.cc:27:15: error: expected primary-expression before '}' token
   27 |               }
      |               ^
Language: C++

#include <iostream>
using namespace std;
int main(){
  int X,N;
  int p[N];
  cin >> X >> N;
  for (int i=0,1,N-1){
    cin >> p[i];
  }
  int n=0;
  while (0){
    int f1=0;
    int f2=0;
    for (int i=0,1,N-1){
      if (p[i]==X-n) f1=1;
      else if (p[i]==X+n) f2=1;
    }
    if (f1==0) {
      cout << X-n;
      break;
    }else if ((F2==0) {
      cout << X+n;
      break;
    }else{
      n++;
    }
              }

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expected unqualified-id before numeric constant
    7 |   for (int i=0,1,N-1){
      |                ^
a.cc:7:16: error: expected ';' before numeric constant
    7 |   for (int i=0,1,N-1){
      |                ^
      |                ;
a.cc:7:21: error: expected ';' before ')' token
    7 |   for (int i=0,1,N-1){
      |                     ^
      |                     ;
a.cc:14:18: error: expected unqualified-id before numeric constant
   14 |     for (int i=0,1,N-1){
      |                  ^
a.cc:14:18: error: expected ';' before numeric constant
   14 |     for (int i=0,1,N-1){
      |                  ^
      |                  ;
a.cc:14:23: error: expected ';' before ')' token
   14 |     for (int i=0,1,N-1){
      |                       ^
      |                       ;
a.cc:21:16: error: 'F2' was not declared in this scope; did you mean 'f2'?
   21 |     }else if ((F2==0) {
      |                ^~
      |                f2
a.cc:21:22: error: expected ')' before '{' token
   21 |     }else if ((F2==0) {
      |              ~       ^~
      |                      )
a.cc:27:15: error: expected primary-expression before '}' token
   27 |               }
      |               ^
Language: C++

#include <iostream>
using namespace std;
int main(){
  int X,N;
  int p[n];
  cin >> X >> N;
  for (int i=0,1,N-1){
    cin >> p[i];
  }
  int n=0;
  while (0){
    int f1=0;
    int f2=0;
    for (int i=0,1,N-1){
      if (p[i]==X-n) f1=1;
      else if (p[i]==X+n) f2=1;
    }
    if (f1==0) {
      cout << X-n;
      break;
    }else if ((F2==0) {
      cout << X+n;
      break;
    }else{
      n++;
    }
              }

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'n' was not declared in this scope
    5 |   int p[n];
      |         ^
a.cc:7:16: error: expected unqualified-id before numeric constant
    7 |   for (int i=0,1,N-1){
      |                ^
a.cc:7:16: error: expected ';' before numeric constant
    7 |   for (int i=0,1,N-1){
      |                ^
      |                ;
a.cc:7:21: error: expected ';' before ')' token
    7 |   for (int i=0,1,N-1){
      |                     ^
      |                     ;
a.cc:8:12: error: 'p' was not declared in this scope
    8 |     cin >> p[i];
      |            ^
a.cc:14:18: error: expected unqualified-id before numeric constant
   14 |     for (int i=0,1,N-1){
      |                  ^
a.cc:14:18: error: expected ';' before numeric constant
   14 |     for (int i=0,1,N-1){
      |                  ^
      |                  ;
a.cc:14:23: error: expected ';' before ')' token
   14 |     for (int i=0,1,N-1){
      |                       ^
      |                       ;
a.cc:15:11: error: 'p' was not declared in this scope
   15 |       if (p[i]==X-n) f1=1;
      |           ^
a.cc:21:16: error: 'F2' was not declared in this scope; did you mean 'f2'?
   21 |     }else if ((F2==0) {
      |                ^~
      |                f2
a.cc:21:22: error: expected ')' before '{' token
   21 |     }else if ((F2==0) {
      |              ~       ^~
      |                      )
a.cc:27:15: error: expected primary-expression before '}' token
   27 |               }
      |               ^