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

import java.util.*;
public class Main{
  public static void main(String[] args)
  {
    Scanner sc=new Scanner(System.in);
    int x=sc.nextInt();
    int n=sc.nextInt();
   int flag=0;
    ArrayList<Integer> a=new ArrayList<Integer>();
    ArrayList<Integer> a1=new ArrayList<Integer>();
    for(int i=0;i<n;i++)
    {
      a.add(sc.nextInt());
    }
    for(int j=0;j<=a.size();j++)
    {
         if(flag==0)
        {
         if(!a.contains(x+j))
         {
               a1.add(x+j);
               flag=1;
         }
         if(!a.contains(x-j))
        {
             a1.add(x-j);
		flag=1;
       }
       if(flag==1)
             break;
      }

        
    }
    Collections.sort(a1);
    if(n>0)
     System.out.println(a1.get(0));
    else
       System.out.println(x);
  }

Compiler output:
Main.java:40: error: reached end of file while parsing
  }
   ^
1 error
Language: C++

#include<bits/stdc++.h>
#include<unordered_map>
using namespace std;
typedef long double ld;
#define loopi(n) for(i=0;i<n;i++) 
#define loopj(n) for(j=0;j<n;j++)
#define loopnode(v) for(ll i : v)
#define mod7 1000000007
#define mod9 1000000009
#define mod8 100000000
#define modl 998244353
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef std::vector<ll> vecl;
typedef std::vector<bool> vecb;
typedef std::vector<long double> vecd;
typedef std::vector<string> vecstr;
typedef std::vector<char> vecch;
typedef std::vector< pair<ll,ll> >  vecpair;
typedef unordered_map<ll,ll> umap;
typedef unordered_map<long double,int> umapd;
typedef unordered_map<string,ll> umapstr;
typedef unordered_map<char,ll> umapc;
typedef set< ll,greater<ll>  > st;
typedef priority_queue<ll> q_max;
typedef priority_queue<ll,vector<ll>,greater<ll> > q_min;
ll j=0,i=0;//ll maxm = INT_MIN;

//vecl node[300001];vecl color(300001,-1);umap u;vecl res(300001,0);//ll flag = 1;
//vecb visited(300000+1,false);

int main(int argc, char const *argv[])
{
	ll index= -1;ll ans = -1;
	ll x,n;cin>>x>>n; umap u;loopi(n){ll p;cin>>p;u[p]++;}
	for(d=0;d<=101;d++)	
	{
		if(u[x+d]==0)
		{
			cout<<x+d; ans = x+d;break;
		}
		else if(u[x-d]==0)
		{
			cout<<x-d; ans = x-d;break;
		}
	}
  cout<<ans;
	



	return 0;

	
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:37:13: error: 'd' was not declared in this scope
   37 |         for(d=0;d<=101;d++)
      |             ^
Language: C++

#include<bits/stdc++.h>
#include<unordered_map>
using namespace std;
typedef long double ld;
#define loopi(n) for(i=0;i<n;i++) 
#define loopj(n) for(j=0;j<n;j++)
#define loopnode(v) for(ll i : v)
#define mod7 1000000007
#define mod9 1000000009
#define mod8 100000000
#define modl 998244353
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef std::vector<ll> vecl;
typedef std::vector<bool> vecb;
typedef std::vector<long double> vecd;
typedef std::vector<string> vecstr;
typedef std::vector<char> vecch;
typedef std::vector< pair<ll,ll> >  vecpair;
typedef unordered_map<ll,ll> umap;
typedef unordered_map<long double,int> umapd;
typedef unordered_map<string,ll> umapstr;
typedef unordered_map<char,ll> umapc;
typedef set< ll,greater<ll>  > st;
typedef priority_queue<ll> q_max;
typedef priority_queue<ll,vector<ll>,greater<ll> > q_min;
ll j=0,i=0;//ll maxm = INT_MIN;

//vecl node[300001];vecl color(300001,-1);umap u;vecl res(300001,0);//ll flag = 1;
//vecb visited(300000+1,false);

int main(int argc, char const *argv[])
{
	ll index= -1;
	ll x,n;cin>>x>>n; umap u;loopi(n){ll p;cin>>p;u[p]++;}
	for(d=0;d<=101;d++)	
	{
		if(u[x+d]==0)
		{
			cout<<x+d; return 0;
		}
		else if(u[x-d]==0)
		{
			cout<<x-d; return 0;
		}
	}
	



	return 0;

	
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:37:13: error: 'd' was not declared in this scope
   37 |         for(d=0;d<=101;d++)
      |             ^
Language: C++

#include<bits/stdc++.h>
#include<unordered_map>
using namespace std;
typedef long double ld;
#define loopi(n) for(i=0;i<n;i++) 
#define loopj(n) for(j=0;j<n;j++)
#define loopnode(v) for(ll i : v)
#define mod7 1000000007
#define mod9 1000000009
#define mod8 100000000
#define modl 998244353
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef std::vector<ll> vecl;
typedef std::vector<bool> vecb;
typedef std::vector<long double> vecd;
typedef std::vector<string> vecstr;
typedef std::vector<char> vecch;
typedef std::vector< pair<ll,ll> >  vecpair;
typedef unordered_map<ll,ll> umap;
typedef unordered_map<long double,int> umapd;
typedef unordered_map<string,ll> umapstr;
typedef unordered_map<char,ll> umapc;
typedef set< ll,greater<ll>  > st;
typedef priority_queue<ll> q_max;
typedef priority_queue<ll,vector<ll>,greater<ll> > q_min;
ll j=0,i=0;//ll maxm = INT_MIN;

//vecl node[300001];vecl color(300001,-1);umap u;vecl res(300001,0);//ll flag = 1;
//vecb visited(300000+1,false);

int main(int argc, char const *argv[])
{
	ll index= -1;
	ll x,n;cin>>x>>n; vecl v(200,0);loopi(n){ll p;cin>>p;v[p]=1;}
	for(d=0;d<=101;d++)	
	{
		if(v[x+d]==0)
		{
			cout<<x+d; return 0;
		}
		else if(v[x-d]==0)
		{
			cout<<x-d; return 0;
		}
	}
	



	return 0;

	
}

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:37:13: error: 'd' was not declared in this scope
   37 |         for(d=0;d<=101;d++)
      |             ^
Language: C

#include <stdio.h>


int check (int x, int n, int p[n]){
		int i;
		
		for (i = 0; i < n; i++){
				if(x == p[i]){
						return 1;
				}
		}
		return 0;
}
int main (){
	  int x, n;
	  
	  if (scanf("%d", &x) == 1){};
	  if (scanf("%d", &x) == 1){};
	  	
	  if (n == 0){
	  	  printf("%d", x);
	  	  return 0;
	  }
	  
	  int p[n];
	  for (i = 0; i < n; i++){
	  		if (scanf("%d", &p[i]) == 1){};
	  }
	  
	  for (i = 0; i < 100; i++){
	  		if (check(x - i, n, p) == 0){
  					printf("%d", x - i);
	  				return 0;
	  		}	
	  		if (check(x + i, n, p) == 0){
	  				printf("%d", x + i);
	  				return 0;
	  		}	
	  }
	  
	  
}

Compiler output:
main.c: In function 'main':
main.c:26:16: error: 'i' undeclared (first use in this function)
   26 |           for (i = 0; i < n; i++){
      |                ^
main.c:26:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<stdc++.h>
using namespace std;
int main(){
  int x, n;
  cin >> x >> n;
  vector<int>q(105); //0で初期化される
  for (int i=0; i<105; i++){
    int p;
    cin >> p;
    q[p] = 1;
  }
  int min = 1000000;
  int ans = 0;
  for (int i=0; i<105; i++){
    if (q[i] == 1) continue;
    int dif = abs(x-i);
    if (dif <= min){
      ans = i;
    }
  }
  cout << i;
  return 0;
}

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

#include<stdio.h>
int main(void){
  int i, x, n, p[101], r[101]={0};
  scanf("%d%d", &x, &n);
  for(i=0;i<n;i++){
    scanf("%d", &p[i]);
    r[p[i]]=1;
  }
  for(i=0;i<n;i++){
    if(r[x-i]==0){
      printf("%d", x-i);
      break;
    }
    if(r[x+i]==0){
      printf("%d", x+i);
      break;
    } 
  return 0;
  } 
  


Compiler output:
main.c: In function 'main':
main.c:19:3: error: expected declaration or statement at end of input
   19 |   }
      |   ^
Language: C

#include<stdio.h>
int main(void){
  int i, x, n, p[101], r[101]={0};
  scanf("%d%d", &x, &n);
  if(n==0){
    printf("%d",x);
    return 0;
  }
  for(i=0;i<n;i++){
    scanf("%d", &p[i]);
    r[p[i]]=1;
  }
  for(i=0;i<n;i++){
    if(r[x-i]==0){
      printf("%d", x-i);
      break;
    }
    if(r[x+i]==0){
      printf("%d", x+i);
      break;
    } 
  return 0;
  } 
  


Compiler output:
main.c: In function 'main':
main.c:23:3: error: expected declaration or statement at end of input
   23 |   }
      |   ^
Language: C

#include<stdio.h>
#include<stdlib.h>
int main(void){
  int i, x, n, p[101], r[101]={0}, s=-1;
  scanf("%d%d", &x, &n);
  if(n==0){
    printf("%d",x);
    return 0;
  }
  for(i=0;i<n;i++){
    scanf("%d", &p[i]);
    r[p[i]]=1;
  }
  for(i=0;i<n;i++){
    if(r[x-i]==0){
      printf("%d", x-i);
      break;
    }
    if(r[x+i]==0){
      printf("%d", x+i);
      break;
    } 
  return 0;
  } 
  


Compiler output:
main.c: In function 'main':
main.c:24:3: error: expected declaration or statement at end of input
   24 |   }
      |   ^
Language: C

#include<stdio.h>
#include<stdlib.h>
int main(void){
  int a, b, i, x, n, p[101], r[101]={0}, s=-1;
  scanf("%d%d", &x, &n);
  if(n==0){
    printf("%d",x);
    return 0;
  }
  for(i=0;i<n;i++){
    scanf("%d", &p[i]);
    r[p[i]]=1;
  }
  for(i=0;i<n;i++){
    if(r[x-i]==0){
      printf("%d", &x-i);
      break;
    }
    if(r[x+i]==0){
      printf("%d", &x+i);
      break;
    } 
  return 0;
  } 
  


Compiler output:
main.c: In function 'main':
main.c:24:3: error: expected declaration or statement at end of input
   24 |   }
      |   ^
Language: C++

//ritik_patel05

//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& STL DEBUGGER &&&&&&&&&&&&&&&&&&&&&&&&&&&

// #define _GLIBCXX_DEBUG       // Iterator safety; out-of-bounds access for Containers, etc.
// #pragma GCC optimize "trapv" // abort() on (signed) integer overflow.

//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& LIBRARIES &&&&&&&&&&&&&&&&&&&&&&&&&&&

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

/*#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update
template<typename T, typename V = __gnu_pbds::null_type>
using ordered_set = __gnu_pbds::tree<T, V, less<T>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>; 
*/
//find_by_order()->returns an iterator to the k-th largest element(0-based indexing)
//order_of_key()->Number of items that are strictly smaller than our item

//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& DEFINES &&&&&&&&&&&&&&&&&&&&&&&&&&&

#define int long long int
#define all(i) i.begin(), i.end()
#define sz(a) (int)a.size()
 
// const ld PI  = 3.141592;
const int dx4[4] = {0, 1, 0, -1};
const int dy4[4] = {-1, 0, 1, 0};
const int dx8[8] = {-1, -1, -1, 0, 1, 1, 1, 0};
const int dy8[8] = {-1, 0, 1, 1, 1, 0, -1, -1};
 
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& DEBUG &&&&&&&&&&&&&&&&&&&&&&&&&&&
 
#define XOX
vector<string> vec_splitter(string s) {
    for(char& c: s) c = c == ','?  ' ': c;
    stringstream ss; ss << s;
    vector<string> res;
    for(string z; ss >> z; res.push_back(z));
    return res;
}
 
void debug_out(vector<string> __attribute__ ((unused)) args, __attribute__ ((unused)) int idx) { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(vector<string> args, int idx, Head H, Tail... T) {
    if(idx > 0) cerr << ", ";
    stringstream ss; ss << H;
    cerr << args[idx] << " = " << ss.str();
    debug_out(args, idx + 1, T...);
}
 
#ifdef XOX
#define debug(...) debug_out(vec_splitter(#__VA_ARGS__), 0, __VA_ARGS__)
#else
#define debug(...) 42
#endif
 
 
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& CODE &&&&&&&&&&&&&&&&&&&&&&&&&&&

void solve(){
    int x, n;
    cin >> x >> n;
    set<int> s;
    for(int i = 0, X; i < n; ++i){
        cin >> X; s.insert(X);
    }
    int mn = x;
    for(int num = -100; num <= 200; ++num){
        if(!s.count(num)){
            mn = min(mn, abs(num - X));
        }
    }
    cout << mn << '\n';
}


int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr); 
    int T = 1; 
    // cin >> T;
    for(int i = 1; i <= T; ++i){
        // brute();
        solve();
    }
    return 0;
}

/*
Sample inp
*/

Compiler output:
a.cc: In function 'void solve()':
a.cc:72:36: error: 'X' was not declared in this scope
   72 |             mn = min(mn, abs(num - X));
      |                                    ^
Language: C++

//ritik_patel05

//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& STL DEBUGGER &&&&&&&&&&&&&&&&&&&&&&&&&&&

// #define _GLIBCXX_DEBUG       // Iterator safety; out-of-bounds access for Containers, etc.
// #pragma GCC optimize "trapv" // abort() on (signed) integer overflow.

//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& LIBRARIES &&&&&&&&&&&&&&&&&&&&&&&&&&&

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

/*#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update
template<typename T, typename V = __gnu_pbds::null_type>
using ordered_set = __gnu_pbds::tree<T, V, less<T>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>; 
*/
//find_by_order()->returns an iterator to the k-th largest element(0-based indexing)
//order_of_key()->Number of items that are strictly smaller than our item

//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& DEFINES &&&&&&&&&&&&&&&&&&&&&&&&&&&

#define int long long int
#define all(i) i.begin(), i.end()
#define sz(a) (int)a.size()
 
// const ld PI  = 3.141592;
const int dx4[4] = {0, 1, 0, -1};
const int dy4[4] = {-1, 0, 1, 0};
const int dx8[8] = {-1, -1, -1, 0, 1, 1, 1, 0};
const int dy8[8] = {-1, 0, 1, 1, 1, 0, -1, -1};
 
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& DEBUG &&&&&&&&&&&&&&&&&&&&&&&&&&&
 
#define XOX
vector<string> vec_splitter(string s) {
    for(char& c: s) c = c == ','?  ' ': c;
    stringstream ss; ss << s;
    vector<string> res;
    for(string z; ss >> z; res.push_back(z));
    return res;
}
 
void debug_out(vector<string> __attribute__ ((unused)) args, __attribute__ ((unused)) int idx) { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(vector<string> args, int idx, Head H, Tail... T) {
    if(idx > 0) cerr << ", ";
    stringstream ss; ss << H;
    cerr << args[idx] << " = " << ss.str();
    debug_out(args, idx + 1, T...);
}
 
#ifdef XOX
#define debug(...) debug_out(vec_splitter(#__VA_ARGS__), 0, __VA_ARGS__)
#else
#define debug(...) 42
#endif
 
 
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& CODE &&&&&&&&&&&&&&&&&&&&&&&&&&&

void solve(){
    int x, n;
    cin >> x >> n;
    set<int> s;
    for(int i = 0, X; i < n; ++i){
        cin >> X; s.insert(X);
    }
    int mn = X;
    for(int num = -100; num <= 200; ++num){
        if(!s.count(num)){
            mn = min(mn, abs(num - X));
        }
    }
    cout << mn << '\n';
}


int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr); 
    int T = 1; 
    // cin >> T;
    for(int i = 1; i <= T; ++i){
        // brute();
        solve();
    }
    return 0;
}

/*
Sample inp
*/

Compiler output:
a.cc: In function 'void solve()':
a.cc:69:14: error: 'X' was not declared in this scope
   69 |     int mn = X;
      |              ^
Language: C++

//Problem: ABC 170C
//Progress:
#include <iostream>
typedef long long int ll;
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    ll t, k;
    cin >> t >> k;
    map<ll, bool> mp;
    ll inp;
    for(ll i=0; i<k; i++){
    	cin >> inp;
    	mp[inp] = 1;
    }
    if(k == 0)
    	cout << t;
    else{
    	for(ll i=1; ; i++){
	    	if(mp[t-i] == 0){
	    		cout << t-i;
	    		break;
	    	}
	    	if(mp[t+i] == 0){
	    		cout << t+i;
	    		break;
	    	}
	    }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'map' was not declared in this scope
   13 |     map<ll, bool> mp;
      |     ^~~
a.cc:4:1: note: 'std::map' is defined in header '<map>'; this is probably fixable by adding '#include <map>'
    3 | #include <iostream>
  +++ |+#include <map>
    4 | typedef long long int ll;
a.cc:13:11: error: expected primary-expression before ',' token
   13 |     map<ll, bool> mp;
      |           ^
a.cc:13:13: error: expected primary-expression before 'bool'
   13 |     map<ll, bool> mp;
      |             ^~~~
a.cc:17:9: error: 'mp' was not declared in this scope
   17 |         mp[inp] = 1;
      |         ^~
a.cc:23:20: error: 'mp' was not declared in this scope
   23 |                 if(mp[t-i] == 0){
      |                    ^~
a.cc:27:20: error: 'mp' was not declared in this scope
   27 |                 if(mp[t+i] == 0){
      |                    ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  set<int>se;
  for(int i=1;i<=100;++i)
    se.insert(i);
  int a,t;
  cin>>a>>t;
  for(int i=0;i<t;++i)
  {
    int k;
    cin>>k;
    se.erase(k);
  }
  auto it =upper_bound(a);
  auto it1=it--;
  cout<<min(*it,*it1);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:23: error: no matching function for call to 'upper_bound(int&)'
   16 |   auto it =upper_bound(a);
      |            ~~~~~~~~~~~^~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:2019:5: note: candidate: 'template<class _FIter, class _Tp> _FIter std::upper_bound(_FIter, _FIter, const _Tp&)'
 2019 |     upper_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:2019:5: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/14/bits/stl_algo.h:2050:5: note: candidate: 'template<class _FIter, class _Tp, class _Compare> _FIter std::upper_bound(_FIter, _FIter, const _Tp&, _Compare)'
 2050 |     upper_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:2050:5: note:   candidate expects 4 arguments, 1 provided
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  set<int>se;
  for(int i=1;i<=100;++i)
    se.insert(i);
  int t;
  cin>>t;
  for(int i=0;i<t;++i)
  {
    int k;
    cin>>k;
    se.erase(k);
  }
  auto it =upper_bound(a);
  auto it1=it--;
  cout<<min(*it,*it1);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:24: error: 'a' was not declared in this scope
   16 |   auto it =upper_bound(a);
      |                        ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
typedef long long ll;
#define _GLIBCXX_DEBUG
typedef vector<int> vec;
typedef vector<ll> lvec;
typedef vector<char> cvec;
typedef vector<double> dvec;
typedef pair<ll, ll> LP;
typedef tuple<ll, ll, ll> LT;
typedef pair<int, int> P;
typedef tuple<int, int, int> T;
#define fs first
#define sc second
int main()	{
  int x,n;
  cin>>x>>n;
  vector<int>d(102);
  rep(i,n){
    cin>>a;
    d[a]++;
  }
  int ans=x,c=99999;
  for(int i=0;i<=101;i++){
      if(d[i]==1) continue;
      c=min(c,abs(i-x));
      if(abs(i-x)==c)
        ans=min(ans,i);
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:10: error: 'a' was not declared in this scope
   23 |     cin>>a;
      |          ^
Language: C++

#include <bits/stdc++.h>

int main(void) 
{
    int X, N;
    std::cin >> X >> N;

    std::vector<int> a(N);
    if (N == 0) {
        std::cout << X << std::endl;
        return 0;
    }
    else {
        for(int i = 0;i < N; i++) {
            std::cin >> a[i];
        }
    }

    if(std::find(a.begin(), a.end(), X) != v.end()) {
        std::cout << X << std::endl;
        return 0;
    }  

    int count = 0;
    while(1) {
        count++;
        int s = X - count;
        int t = X + count;
        if(std::find(a.begin(), a.end(), s) != a.end()) {
            std::cout << s << std::endl;
            return 0;
        } 
        else if(std::find(a.begin(), a.end(), t) != a.end()) {
            std::cout << t << std::endl;
            return 0;
        }
        else {

        }
    }

    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:44: error: 'v' was not declared in this scope
   19 |     if(std::find(a.begin(), a.end(), X) != v.end()) {
      |                                            ^
Language: C++

#include <bits/stdc++.h>

int main(void) 
{
    int X, N;
    std::cin >> X >> N;

    std::vector<int> a(N);
    if (N == 0) {
        std::cout << X << std::endl;
        return 0;
    }
    else {
        for(int i = 0;i < N; i++) {
            std::cin >> a[i];
        }
    }

    if(std::find(a.begin(), a.end(), X) != v.end()) {
        std::cout << X << std::endl;
        return 0;
    }  

    int count = 0;
    while(1) {
        count++;
        int s = X - count;
        int t = X + count;
        if(std::find(a.begin(), a.end(), s) != v.end()) {
            std::cout << s << std::endl;
            return 0
        } 
        else if(std::find(a.begin(), a.end(), t) != v.end()) {
            std::cout << t << std::endl;
            return 0        
        }
        else {
            
        }
    }

    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:44: error: 'v' was not declared in this scope
   19 |     if(std::find(a.begin(), a.end(), X) != v.end()) {
      |                                            ^
a.cc:29:48: error: 'v' was not declared in this scope
   29 |         if(std::find(a.begin(), a.end(), s) != v.end()) {
      |                                                ^
a.cc:31:21: error: expected ';' before '}' token
   31 |             return 0
      |                     ^
      |                     ;
   32 |         }
      |         ~            
a.cc:35:21: error: expected ';' before '}' token
   35 |             return 0
      |                     ^
      |                     ;
   36 |         }
      |         ~
Language: C++

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

bool isList[105];

int main() {
  int X,N;
  cin >> X >> N;
  
  if (N == 0) {
    cout << X << endl;
    return 0;
  }
  
  int p;
  for(int i=0; i<N; i++) {
    cin >> p;
    isList[p] = true;
  }
  
  int max_val = 999999;
  int ans = 0;
  for(int i=0; i<=101; i++) {
    if (isList[i]) {
      if (max_val > abs(X - i)) {
        max_val = abs(X - i);
        ans = i;
      }
    }
  }
  cout << i << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:11: error: 'i' was not declared in this scope
   31 |   cout << i << endl;
      |           ^
Language: C++

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

bool isList[105];

int main() {
  int X,N;
  cin >> X >> N;
  
  if (N == 0) {
    cout << X << endl;
    return 0;
  }
  
  int p;
  for(int i=0; i<N; i++) {
    cin >> p;
    isList[p] = true;
  }
  
  sort(p.begin(), p.end());
  
  int max_val = 999999;
  int ans = 0;
  for(int i=0; i<=101; i++) {
    if (isList[i]) {
      if (max_val > abs(X - i)) {
        max_val = abs(X - i);
        ans = i;
      }
    }
  }
  cout << i << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:10: error: request for member 'begin' in 'p', which is of non-class type 'int'
   21 |   sort(p.begin(), p.end());
      |          ^~~~~
a.cc:21:21: error: request for member 'end' in 'p', which is of non-class type 'int'
   21 |   sort(p.begin(), p.end());
      |                     ^~~
a.cc:33:11: error: 'i' was not declared in this scope
   33 |   cout << i << endl;
      |           ^
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(N, 0);
  for(int i=0; i<N; i++) {
    cin >> p[i];
  }
  
  sort_stable(p.begin(), p.end());
  
  for(int i=1; i<N; i++) {
    if(X - p[i-1] >=0 && X - p[i] < 0) {
      cout << (p[i-1]+1) << endl;
    }
  }
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:3: error: 'sort_stable' was not declared in this scope
   18 |   sort_stable(p.begin(), p.end());
      |   ^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>

int main(void) 
{
    int X, N;
    std::cin >> X >> N;

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

    std::sort(a.begin(),a.end());

    int s = N/2;
    int count = 0
    int l = 0;
    int r = s;
    while (1) {
        count ++;
        if (X > a[s]) {
            s = s/2;
            l = l;
            r = s;
        }
        else {
            s = s + (N - s)/2;
        }
        if (a[l+ 1] == a[r]) {
            break;
        }
    }

    std::cout << a[l] << std::endl;

    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: expected ',' or ';' before 'int'
   17 |     int l = 0;
      |     ^~~
a.cc:23:13: error: 'l' was not declared in this scope
   23 |             l = l;
      |             ^
a.cc:29:15: error: 'l' was not declared in this scope
   29 |         if (a[l+ 1] == a[r]) {
      |               ^
a.cc:34:20: error: 'l' was not declared in this scope
   34 |     std::cout << a[l] << std::endl;
      |                    ^
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(N, 0);
  for(int i=0; i<N; i++) {
    cin >> p[i];
    p[i] = abs(X - p[i]);
  }
  
  sort_stable(p.begin(), p.end());
  
  for(int i=1; i<N; i++) {
    if(p[i] - p[i-1] == 1) continue;
    cout << (X - (p[i-1] + 1)) << endl;
  }
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:3: error: 'sort_stable' was not declared in this scope
   19 |   sort_stable(p.begin(), p.end());
      |   ^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>

int main(void) 
{
    int X, N;
    std::cin >> X >> N;

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

    std::sort(a.begin(),a.end());

    int s = N/2;
    int count = 0
    int left = 0;
    int rigut = s;
    while (1) {
        count ++;
        if (X > a[s]) {
            s = s/2;
            left = left;
            right = s;
        }
        else {
            s = s + (N - s)/2;
        }
        if (a[left + 1] == a[right]) {
            break;
        }
    }

    std::cout << a[left] << std::endl;

    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: expected ',' or ';' before 'int'
   17 |     int left = 0;
      |     ^~~
a.cc:23:13: error: 'left' was not declared in this scope; did you mean 'std::left'?
   23 |             left = left;
      |             ^~~~
      |             std::left
In file included from /usr/include/c++/14/streambuf:43,
                 from /usr/include/c++/14/bits/streambuf_iterator.h:35,
                 from /usr/include/c++/14/iterator:66,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:54,
                 from a.cc:1:
/usr/include/c++/14/bits/ios_base.h:1062:3: note: 'std::left' declared here
 1062 |   left(ios_base& __base)
      |   ^~~~
a.cc:24:13: error: 'right' was not declared in this scope; did you mean 'std::right'?
   24 |             right = s;
      |             ^~~~~
      |             std::right
/usr/include/c++/14/bits/ios_base.h:1070:3: note: 'std::right' declared here
 1070 |   right(ios_base& __base)
      |   ^~~~~
a.cc:29:15: error: 'left' was not declared in this scope; did you mean 'std::left'?
   29 |         if (a[left + 1] == a[right]) {
      |               ^~~~
      |               std::left
/usr/include/c++/14/bits/ios_base.h:1062:3: note: 'std::left' declared here
 1062 |   left(ios_base& __base)
      |   ^~~~
a.cc:29:30: error: 'right' was not declared in this scope; did you mean 'std::right'?
   29 |         if (a[left + 1] == a[right]) {
      |                              ^~~~~
      |                              std::right
/usr/include/c++/14/bits/ios_base.h:1070:3: note: 'std::right' declared here
 1070 |   right(ios_base& __base)
      |   ^~~~~
a.cc:34:20: error: 'left' was not declared in this scope; did you mean 'std::left'?
   34 |     std::cout << a[left] << std::endl;
      |                    ^~~~
      |                    std::left
/usr/include/c++/14/bits/ios_base.h:1062:3: note: 'std::left' declared here
 1062 |   left(ios_base& __base)
      |   ^~~~
Language: C++

#include<iostream>
#include<vector>

using namespace std;

int main()
{
    int X, N;

    cin >> X >> N;

    if(N == 0)  //N=0ならXを出力
    {
        cout << X << endl;
        exit(0);
    }

    vector<int> p(N);

    int Xp = 1000;
    int Xp1 = 1000;
    int s = 0;

    for(int i = 0;i < N; i++)
    {
        cin >> p[i];

        if(p[i] == X)
            s++;
        
    }

    if(s == 0)  //pにXが入っていないならXを出力
    {
        cout << X << endl;
        exit(0);
    }
    

    for(int i = 0;i < 101;i++) //絶対値を計算
    {
        s = 0;
        for(int k = 0; k < N;k++)
        {
            if(p[k] == i)
                s++;        
        }

        if(s == 0)
        {
            Xp = abs(X-i);
            if( (Xp < Xp1) && (X-Xp > 0) )
                Xp1 = Xp;

        }
    }

    s = 0;

    for(int i = 0; i < N;i++)  //解の出力
    {
        if( p[i] == (X + Xp1) )
        {
            
            if(X-Xp1 < 0)   //マイナスはダメ
            {
                for(int i = X; i<101; i++)
                {
                    s = 0;

                    for(int k = 0; k<N; k++)
                    {
                        if(p[k] == i)
                            s++;
                
                    }
            
                    if(s == 0)
                    {
                        cout << i << endl;
                        exit(0);
                    }
                }
            }

            cout << X-Xp1 << endl;
        }
        else if( p[i] == (X-Xp1) )
        {
            if(X+Xp1 > 100)   //100越えはダメ
            {
                for(int i = X; i>=0; i = i-1)
                {
                    s = 0;

                    for(int k = 0; k<N; k++)
                    {
                        if(p[k] == i)
                            s++;
                
                    }
            
                    if(s == 0)
                    {
                        cout << i << endl;
                        exit(0);
                    }
                }
            }
        }
            cout << X+Xp1 << endl;
        else
            s++;
    }

    if(s++ == N)  //どちらも存在しない場合は小さい方を出す
        cout << X-Xp1 << endl;

    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:112:9: error: 'else' without a previous 'if'
  112 |         else
      |         ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main (){
  long long X,N;
  cin>>X>>N;
  map<long long, long long>mp;
  for(long long i=0; i<N; i++){long long a;
                              cin >>a;
                              mp[a]++;}
  if (N==0){cout<<X<<endl;return 0;}
  for (long long i=0; i <1000; i++){if(mp[X-i]==0){cout<<X-i<<endl;return 0;}
                                   if(MP[X+i]==0){cout<<X+i<<endl;return 0;}}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:39: error: 'MP' was not declared in this scope; did you mean 'mp'?
   12 |                                    if(MP[X+i]==0){cout<<X+i<<endl;return 0;}}
      |                                       ^~
      |                                       mp
Language: C++

#include <iostream>
#include <set>

using namespace std;

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

	int myints[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100};
	set<int> s(myints, myints+100);

	//标注位置
	int data;
	for (int i=0; i<n; i++) {
		cin>>data;
		s.erase(data);
	}

	//二分查找
	set<int>::iterator it = s.lower_bound(x);
	int abs1 = abs(*it - x);
	int abs2 = INT_MAX;
	if (it != s.begin()) {
		it--;
		abs2 = abs(*it - x);
	}

	cout << (abs1<abs2 ? x+abs1 : x-abs2) << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:20: error: 'INT_MAX' was not declared in this scope
   23 |         int abs2 = INT_MAX;
      |                    ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include <set>
  +++ |+#include <climits>
    3 |
Language: C

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

int main()
{
    int X, N, atai, M,M2;
    cin >> X >> N;
    vector<int> p(N + 2), sa(100, 0), sa2(100, 999);
    bool dekita = false;
    p.at(0) = 0;
    for (int i = 0; i < N; i++)
    {
        cin >> p.at(i);
    }
    if (p.at(0) == 0)
    {
        dekita = true;
        atai = X;
    }
    sort(p.rbegin(), p.rend());

    for (int i = 0; i < 101; i++)
    {
        for (int j = 0; j < N; j++)
        {
            if (X - i == p.at(j))
            {
                M = j;
            }
            if (X + i == p.at(j))
            {
                M2 = j;
            }
        }
            if(dekita==true)
            {
                cout << atai << endl;
                break;
            }
            else if (X - i != p.at(M)&&X-i!=p.at(M2))
            {
                atai = X - i;
                cout << atai << endl;
                break;
            }
            else if (X + i != p.at(M)&&X+i!=p.at(M2))
            {
                atai = X + i;
                cout << atai << endl;
                break;
            }
    }
}


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

#include <iostream>
#include <vector>
using namespace std;
 
int main() {

  int X,N;
  cin >> X >> N;
  set<int> S;
  for( int i=0; i<N; i++){
    int t;
    cin >> t;
    S.insert( t );
  }

  for( int i = 0; i < 110; i++){
  
    if( S.count( X-i ) ){
    cout << X-i << endl;
    return 0;
    }

    if(  S.count( X+i ) ){
    cout << X+i << endl;
    return 0;
    }
    
  }

  return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'set' was not declared in this scope
    9 |   set<int> S;
      |   ^~~
a.cc:3:1: note: 'std::set' is defined in header '<set>'; this is probably fixable by adding '#include <set>'
    2 | #include <vector>
  +++ |+#include <set>
    3 | using namespace std;
a.cc:9:7: error: expected primary-expression before 'int'
    9 |   set<int> S;
      |       ^~~
a.cc:13:5: error: 'S' was not declared in this scope
   13 |     S.insert( t );
      |     ^
a.cc:18:9: error: 'S' was not declared in this scope
   18 |     if( S.count( X-i ) ){
      |         ^
a.cc:23:10: error: 'S' was not declared in this scope
   23 |     if(  S.count( X+i ) ){
      |          ^
Language: C++

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

int main()
{
    int x, n, p;
    int ans = 100;
    int m = 100;
    set<int> s;
    cin >> x >> n;
    while(cin >> p) s.insert(p);

    for (int i = 0; i <= 101; i++)
    {
        if(s.count(i)) coutinue;
        if (abs(x - i) < m)
        {
            m = abs(x - i);
            ans = i;
        }
    }

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

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'set' was not declared in this scope
   11 |     set<int> s;
      |     ^~~
a.cc:4:1: note: 'std::set' is defined in header '<set>'; this is probably fixable by adding '#include <set>'
    3 | #include <cmath>
  +++ |+#include <set>
    4 | using namespace std;
a.cc:11:9: error: expected primary-expression before 'int'
   11 |     set<int> s;
      |         ^~~
a.cc:13:21: error: 's' was not declared in this scope
   13 |     while(cin >> p) s.insert(p);
      |                     ^
a.cc:17:12: error: 's' was not declared in this scope
   17 |         if(s.count(i)) coutinue;
      |            ^
a.cc:17:24: error: 'coutinue' was not declared in this scope
   17 |         if(s.count(i)) coutinue;
      |                        ^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main (){
  longlong X,N;
  cin>>X>>N;
  map<longlong, longlong>mp;
  for(longlong i=0; i<N; i++){longlong a;
                              cin >>a;
                              mp[a]++;}
  if (N==0){cout<<X<<endl;return 0;}
  for (longlong i=0; i <1000; i++){if(mp[X-i]==0){cout<<X-i<<end;return 0;}
                                   if(MP[X+i]==0){cout<<X+i<<endl;return 0;}}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'longlong' was not declared in this scope
    4 |   longlong X,N;
      |   ^~~~~~~~
a.cc:5:8: error: 'X' was not declared in this scope
    5 |   cin>>X>>N;
      |        ^
a.cc:5:11: error: 'N' was not declared in this scope
    5 |   cin>>X>>N;
      |           ^
a.cc:6:25: error: template argument 3 is invalid
    6 |   map<longlong, longlong>mp;
      |                         ^
a.cc:6:25: error: template argument 4 is invalid
a.cc:7:15: error: expected ';' before 'i'
    7 |   for(longlong i=0; i<N; i++){longlong a;
      |               ^~
      |               ;
a.cc:7:21: error: 'i' was not declared in this scope
    7 |   for(longlong i=0; i<N; i++){longlong a;
      |                     ^
a.cc:7:39: error: expected ';' before 'a'
    7 |   for(longlong i=0; i<N; i++){longlong a;
      |                                       ^~
      |                                       ;
a.cc:8:37: error: 'a' was not declared in this scope
    8 |                               cin >>a;
      |                                     ^
a.cc:11:16: error: expected ';' before 'i'
   11 |   for (longlong i=0; i <1000; i++){if(mp[X-i]==0){cout<<X-i<<end;return 0;}
      |                ^~
      |                ;
a.cc:11:22: error: 'i' was not declared in this scope
   11 |   for (longlong i=0; i <1000; i++){if(mp[X-i]==0){cout<<X-i<<end;return 0;}
      |                      ^
a.cc:12:39: error: 'MP' was not declared in this scope; did you mean 'mp'?
   12 |                                    if(MP[X+i]==0){cout<<X+i<<endl;return 0;}}
      |                                       ^~
      |                                       mp
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <iomanip>
#include <utility>
#include <tuple>
#include <functional>
#include <bitset>
#include <cassert>
#include <complex>
#include <stdio.h>
#include <time.h>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
# define ll int64_t
# define str string
# define rep(i,n) for(ll i=0;i<n;i++)
# define rrep(i,n) for(ll i=1;i<=n;i++)
# define ALL(x) (x).begin(), (x).end()
# define SZ(x) ((int)(x).size())
# define pb push_back
# define mod 1000000007
# define PI 3.141592653589793
# define vec vector
#define dump(x) cerr<<#x<<"="<<x<<endl
using namespace std;



#define INF 2000000000
#define MAX_V 10



bool compare_by_b(pair<string,ll> a,pair<string,ll> b){
    if(a.second != b.second) return a.second<b.second;
    else return a.first<b.first;
}

bool my_compare(pair<ll,ll> a,pair<ll,ll> b){
    if(a.first != b.first) return a.first<b.first;
    if(a.second != b.second) return a.second>b.second;
    else return true;
}

ll modpow(ll a,ll n,ll mod1) {
    ll res=1;
    while(n>0){
        if(n&1) res=res*a%mod1;
        a = a*a%mod1;
        n >>= 1;
    }
    return res;
}

ll factorial(ll n){
    ll x=1;
    rrep(i,n) x*=i;
    return x;
}

ll gcd(ll a,ll b) { return b ? gcd(b, a%b) : a; }

ll func(ll a,ll b,ll& ans_x,ll& ans_y){
    if(b == 0){
        ans_x = 1;
        ans_y = 0;
        return a;
    }else{
        ll ret = func(b,(a%b),ans_y,ans_x);
        ans_y -= (a/b)*ans_x;
        return ret;
    }
}

ll lcm(ll a,ll b){
   return a/gcd(a,b)*b;
}
const ll MAX = 5100000;
const ll MOD = 1000000007;
 
ll fac[MAX], finv[MAX], inv[MAX];
 
// テーブルを作る前処理
void COMinit() {
    fac[0] = fac[1] = 1;
    finv[0] = finv[1] = 1;
    inv[1] = 1;
    for (ll i = 2; i < MAX; i++){
        fac[i] = fac[i - 1] * i % MOD;
        inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD;
        finv[i] = finv[i - 1] * inv[i] % MOD;
    }
}

// 二項係数計算
ll COM(ll n, ll k){
    if (n < k) return 0;
    if (n < 0 || k < 0) return 0;
    return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}

using graph = vector<vector<ll>>;
pair<pair<ll,ll>,ll> p[100010];

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    ll x,n;
    cin>>x>>y;
    if(2*x <= y && y <= 4*x && y % 2 == 0){
        printf("Yes\n");
    }else{
        printf("No\n");
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:120:13: error: 'y' was not declared in this scope
  120 |     cin>>x>>y;
      |             ^
Language: C++

x, n = input().split()
x = int(x)
n = int(n)

if n==0:
	print(x)
else:
	p = list(map(int, input().split()))

	ans = -1
	mn = 10000

	for i in range(0, 102):
		if(p.count(i) == 0):
			d = x - i
			if d<0:
				d = -d
			if d<mn:
				ans = i
				mn = d
	if ans == -1:
		if x<=50:
			ans = 0
		else:
			ans = 101
	print(ans)

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

#include<bits/stdc++.h>
 
using namespace std;
#define lli long long int 
#define pb push_back
#define fi(i,a,p) for(int i = a; i < p; i++)
#define pp pair<ll , ll>
#define mp make_pair
#define setzero(a) memset(a,0,sizeof(a))
#define setdp(a) memset(a,-1,sizeof(a))


int main(){
	int x,n;
	cin>>x>>n;
	int a[n];
	int b[100]={ -1 };
	fi(i,0,n){
		cin>>a[i];
		b[abs(x-a[i])]++;
	}
	sort(a,a+n);
	if(n==0){
		cout<<x<<endl;
	}
	else if(x<=a[0]||x>(a[n-1]+1)){
		if(x!=1){
		cout<<x-1<<endl;
	}
	}
	else if(x==a[n-1]+1){
		cout<<x+1<<endl;
	}
	else{
		int diff=0;
		if(b[0]>0){
			cout<<x<<endl;
		}
		else{
		fi(i,1,100){
			if(b[i]!=2){
				diff=i;
				break;
			}
		}
		int cnt=0,p=0;
		fi(i,0,n){
			cnt++;
			if(x-diff==a[i]){
				cout<<x+diff<<endl;
				p=1;
				break;
			}
		}
		else if(cnt==n&&p==0){
			cout<<x-diff<<endl;
		}
	}
}


 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:55:17: error: 'else' without a previous 'if'
   55 |                 else if(cnt==n&&p==0){
      |                 ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{10 5
4 7 10 6 5
    int n,tr,i,j,idx;

    cin>>tr>>n;
    int ar[n];
    if(n==0){
        cout<<tr<<endl;
    }
   /* else if(n==1){

    }*/
    else{
    for(i=0;i<n;i++) cin>>ar[i];

    sort(ar,ar+n);

    for(i=0;i<n;i++){
        if(ar[i]==tr){
            idx=i;
            //cout<<idx<<endl;
            break;
        }
    }

    for(i=idx,j=idx;i>0;i--,j++){
        if(ar[i]-ar[i-1]>=1){
            cout<<ar[i]-1<<endl;
            break;
        }
        else if(ar[j+1]-ar[j]>=1){
            cout<<ar[j]+1<<endl;
            break;
        }
    }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:4: error: expected ';' before numeric constant
    4 | {10 5
      |    ^~
      |    ;
a.cc:8:10: error: 'tr' was not declared in this scope; did you mean 'tm'?
    8 |     cin>>tr>>n;
      |          ^~
      |          tm
a.cc:8:14: error: 'n' was not declared in this scope; did you mean 'yn'?
    8 |     cin>>tr>>n;
      |              ^
      |              yn
a.cc:17:9: error: 'i' was not declared in this scope
   17 |     for(i=0;i<n;i++) cin>>ar[i];
      |         ^
a.cc:17:27: error: 'ar' was not declared in this scope
   17 |     for(i=0;i<n;i++) cin>>ar[i];
      |                           ^~
a.cc:19:10: error: 'ar' was not declared in this scope
   19 |     sort(ar,ar+n);
      |          ^~
a.cc:21:9: error: 'i' was not declared in this scope
   21 |     for(i=0;i<n;i++){
      |         ^
a.cc:23:13: error: 'idx' was not declared in this scope
   23 |             idx=i;
      |             ^~~
a.cc:29:9: error: 'i' was not declared in this scope
   29 |     for(i=idx,j=idx;i>0;i--,j++){
      |         ^
a.cc:29:11: error: 'idx' was not declared in this scope
   29 |     for(i=idx,j=idx;i>0;i--,j++){
      |           ^~~
a.cc:29:15: error: 'j' was not declared in this scope; did you mean 'jn'?
   29 |     for(i=idx,j=idx;i>0;i--,j++){
      |               ^
      |               jn
Language: C++

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

int main(){
  int A,B;
  cin >> A >> B;
  int Z;
  int X = A;
  int Y = A;
  int D = 0;
 while(D < A){
 for(int i = 0;i < B;i++){
  cin >> Z;
    if(Z == A){
      X++;
      Y--;
    }
     if(X == Z){
       X++;
     }
    if(Y == Z){
      Y--;
    }
 }
    i++;
 }
   cout << Y << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:5: error: 'i' was not declared in this scope
   25 |     i++;
      |     ^
Language: C++

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

int main(){
  int A,B;
  cin >> A >> B;
  int Z;
  int X = A;
  int Y = A;
  int D = 0;
 while(D < A){
 for(int i = 0;i < B;i++){
  cin >> Z;
    if(Z == A){
      X++;
      Y--;
    }
     if(X == Z){
       X++;
     }
    if(Y == Z){
      Y--;
    }
    i++
 }
   cout << Y << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:8: error: expected ';' before '}' token
   24 |     i++
      |        ^
      |        ;
   25 |  }
      |  ~      
a.cc:27:2: error: expected '}' at end of input
   27 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int x,n;
  cin>>x>>n;
  vector<int> p(n);
  vector<int> num(102);
  for(int i=0;i<102;i++){
    num.at(i)=i;
  }
  for(int i=0;i<n;i++){
    cin>>p.at(i);
    num.at(p.at(i))==10000;
  }
  reverse(num.begin(),num.end());
  int ans;
  int near=10000;
  for(int i=0;i<102;i++){
    if(abs(x-num.at(i))<=near){
      ans=num.at(i);
      near=abs(x-num.at(i);
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:27: error: expected ')' before ';' token
   21 |       near=abs(x-num.at(i);
      |               ~           ^
      |                           )
Language: C++

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

int main(){
    int x;
    cin >> x;
    int n;
    cin >> n;
    vector<int> p(102,0); //0~101まで用意
    for(int i=0; i<n; i++){
        int num;
        cin>>num;
        p[num]=1; //p[num]=1のとき数列pのなかにnumが存在
    }
    for(int i=0; i<1000; i++;){ //p[0],p[101]で必ず終わるのでループ回数は十分に大きくしておけばよい
        if(p[x-i]==0){ //もしpのなかにx-iが存在しなかったら
            cout << x-i << endl;
            return 0;
        }
        if(p[x+i]==0){ //もしpのなかにx+iが存在しなかったら
            cout << x+i << endl;
            return 0;
        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:29: error: expected ')' before ';' token
   15 |     for(int i=0; i<1000; i++;){ //p[0],p[101]で必ず終わるのでループ回数は十分に大きくしておけばよい
      |        ~                    ^
      |                             )
a.cc:15:30: error: expected primary-expression before ')' token
   15 |     for(int i=0; i<1000; i++;){ //p[0],p[101]で必ず終わるのでループ回数は十分に大きくしておけばよい
      |                              ^
Language: C++

#include <iostream>
#include <cmath>
int x,n,p[110];
int main(){
	std::cin>>x>>n;
	rep(i,n){
		std::cin>>p[i];
	}
	int ans=0;
	rep(i,102){
		bool appeared=false;
		rep(j,n){
			if(p[j]==i){
				appeared=true;
				break;
			}
		}
		if(!appeared&&std::abs(ans-x)>std::abs(i-x)){
			ans=i;
		}
	}
	std::cout<<ans<<std::endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: 'i' was not declared in this scope
    6 |         rep(i,n){
      |             ^
a.cc:6:9: error: 'rep' was not declared in this scope
    6 |         rep(i,n){
      |         ^~~
Language: C

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

int main(void) {
    int x, n, i=0, j=0, k=0, m=0,a=0,b=0, p[100];
    scanf_s("%d %d", &x, &n);
    for (i = 0; i < n; i++) {
        scanf_s("%d", &p[i]);
    }

    m = k = x;

    for (i = x; i >= 1; i--) {
        for (j = 0; j < n; j++) {
            if (p[j] != i) {
                k = i;
                a = 1;
                
            }
            
        }
        if (a == 1)break;
    }
    for (i = x; i <= 100; i++) {
        for (j = 0; j < n; j++) {
            if (p[j] != i) {
                m = i;
                b = 1;
                
            }
            
        }
        if (b == 1)break;
    }
    if ((x - k) > (m - x)) {
        printf("%d", k);
    }
    else {
        printf("%d", m);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:5: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |     scanf_s("%d %d", &x, &n);
      |     ^~~~~~~
      |     scanf