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

#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <cstring>
#include <iostream>
#include <iomanip>
#include <map>
#include <numeric>
#include <set>
#include <string>
#include <queue>
#include <unordered_map>
#include <unordered_set>
#include <vector>

using namespace std;

const int MAX = 107;
const int MOD = 1000000007;

void solve() {
    int x, n;
    cin >> x >> n;
    int p[MAX];
    bool ok = true;
    for (int i = 0; i < n; i++) {
        cin >> p[i];
        if (p[i] == x) {ok = false;}
    }
    if (ok) {cout << x; return;}
    sort(p, p + n);
    for (int i = 1; i <= INT_MAX; i++) {
        bool okS = true, okL = true;
        for (int j = 0; j < n; j++) {
            if (x-i == p[j]) {
                okS = false;
            }
            else if (x+i == p[j]) {
                okL = false;
            }
        }
        if (okS) {
            cout << x-i; return;
        }
        else if (okL) {
            cout << x+i; return;
        }
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    //int tt; cin >> tt; for (int i = 1; i <= tt; i++) {solve(); cout << endl;}
    solve();
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:33:26: error: 'INT_MAX' was not declared in this scope
   33 |     for (int i = 1; i <= INT_MAX; i++) {
      |                          ^~~~~~~
a.cc:15:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   14 | #include <unordered_set>
  +++ |+#include <climits>
   15 | #include <vector>
Language: C++


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

int main(){
vector<int> num(101);
for(int i = 1;i <=100;i++) num[i] = i;

int x, n, t;
cin >> n >> x ;

    if(x != 0){
for(int i = 0; i < x; i++){
  cin >> t;
  num[t] = 1000;
}
  bool judge = true;
    int dn = n - 1, da = n + 1;
    while(judge){
    if(num[dn] != 1000 || num[da] != 1000){
            dn = nun[dn];
            da = num[da];
            judge = false;        
        }
            dn--;
            da++;
}
        cout << min(dn,da);
        }
        else cout << n;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:18: error: 'nun' was not declared in this scope; did you mean 'num'?
   21 |             dn = nun[dn];
      |                  ^~~
      |                  num
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define forr(i, n) for(int i = 0;i < (int)n; i++)
#define deb(x) cout<<#x<<" " <<x<<"\n";
#define all(x) x.begin(), x.end()
#define eb emplace_back
#define mp make_pair
#define test int tests;cin >> tests;while(tests--)
#define endl "\n"
const int INF = 2e9;
int32_t main()
{
#ifndef ONLINE_JUDGE
	freopen("inputa.txt", "r", stdin);
#endif
	ios_base::sync_with_stdio(false);
	cin.tie(0);
  	int x, n;
  	cin >> x >> n;
  	if(n==0){
  		cout<<x<<endl;
  	}else{
  	int arr[n];
  	map<int,int> mp;
  	int a1=0,a2=0;
  	forr(i,n)cin>>arr[i],mp[arr[i]]++;
  	for(int i = x+1;i <= 100; ++i){
  		if(mp[i]==0){
  			a1 = i;
  			break;
  		}
  	}
  	for(int i = x-1;i>=-100; --i){
  		if(mp[i]==0){
  			a2 = i;
  			break;
  		}
  	}
  	int var1 = a1-x;
  	int var2 = x-a2;
  	if(var1==var2){
  		cout<<a2<<endl;
  	}else if(var1<var2){
  		cout<<a1<<endl;
  	}else{
  		cout<<a2<<endl;
  	}}y
	return 0;
}


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:48:11: error: 'y' was not declared in this scope
   48 |         }}y
      |           ^
Language: C


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

int main(){
    int x,n; cin >> x >> n;
    vector<int> mark(102,0);
    int in;
    rep(i,n){
        cin >> in;
        mark.at(in) = 1;
    }
    int diff = 0;
   while(true){
        if(mark.at(x - diff) == 0){
            cout << x - diff << endl;
            return 0;
        }
        else if (mark.at(x + diff) == 0){
            cout << x + diff << endl;
            return 0;
        }
        diff ++;
    }
}

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

#include <iostream>
#include <bitset>
#include <algorithm>

using namespace std;

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(NULL);
	const int MAX_VALUES = 101;
	bitset<MAX_VALUES> bits;
	bitset<MAX_VALUES> reversed;
	bits._Unchecked_flip();
	reversed._Unchecked_flip();
	int x, n, t;
	cin >> x >> n;
	if (n == 0) {
		cout << x;
		exit(0);
	}
	for (int i = 0; i < n; i++) {
		cin >> t;
		bits._Unchecked_reset(t);
		reversed._Unchecked_reset(MAX_VALUES - 1 - t);
	}
	if (bits[x]) {
		cout << x;
		exit(0);
	}
	int rV = bits._Find_next(x);
	int lV = MAX_VALUES - 1 - reversed._Find_next(MAX_VALUES - 1 - x);
	int d1 = abs(rV - x);
	int d2 = abs(lV - x);
	if (d1 < d2) {
		cout << rV;
	} else if (d2 < d1) {
		cout << lV;
	} else {
		cout << min(rV, lV);
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:29: error: no matching function for call to 'std::bitset<101>::_Unchecked_flip()'
   14 |         bits._Unchecked_flip();
      |         ~~~~~~~~~~~~~~~~~~~~^~
In file included from a.cc:2:
/usr/include/c++/14/bitset:1139:7: note: candidate: 'std::bitset<_Nb>& std::bitset<_Nb>::_Unchecked_flip(std::size_t) [with long unsigned int _Nb = 101; std::size_t = long unsigned int]'
 1139 |       _Unchecked_flip(size_t __pos) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~~~~
/usr/include/c++/14/bitset:1139:7: note:   candidate expects 1 argument, 0 provided
a.cc:15:33: error: no matching function for call to 'std::bitset<101>::_Unchecked_flip()'
   15 |         reversed._Unchecked_flip();
      |         ~~~~~~~~~~~~~~~~~~~~~~~~^~
/usr/include/c++/14/bitset:1139:7: note: candidate: 'std::bitset<_Nb>& std::bitset<_Nb>::_Unchecked_flip(std::size_t) [with long unsigned int _Nb = 101; std::size_t = long unsigned int]'
 1139 |       _Unchecked_flip(size_t __pos) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~~~~
/usr/include/c++/14/bitset:1139:7: note:   candidate expects 1 argument, 0 provided
Language: C++

/* ----------------------- reclone_rk --------------------------------------------*/ 
#include<bits/stdc++.h>
using namespace std;
#define int long long int
const int mod=1e9+7;
const ll INF = 2000000000000000000LL;
const int inf = 0x3f3f3f3f;
#define FastRead ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define prq priority_queue<int>
#define prqp priority_queue<pair<int,int>>
#define vtr vector<int>
#define INF INT_MAX
#define NINF INT_MIN
#define endl "\n"
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define pvtr vector<pair<int,int>>
#define FOR(i,a,n) for (int i=(a);i<=(n);++i)

int gcd(int a, int b){ if(a == 0) return b; return gcd(b%a, a);}
int MOD(int n){ return ((n%mod)+mod)%mod;}
int power(int a,int b){ if(b==0)return 1LL;int s=power(a,b/2LL);s*=s;s%=mod;if(b&1LL)return (s*a)%mod;return s;}
int inv(int a){return power(a,mod-2);}
int nCr(int n,int r){if(r>n)return 0LL;if(n-r<r)r=n-r;int ans=1;for(int i=0;i<r;i++){ans*=(n-i);ans=MOD(ans);ans*=inv(i+1);ans=MOD(ans);}return ans;}

int is_find[200];
const double pi = 3.14159265358979323846;
signed main()
{
   
int value;
 
int x, n;
 
cin >> x >> n;
for(int i = 0; i < n; i++) 
{
    cin >> value;
    is_find[ value ] = 1;
}
 
int ans = -1, mn = inf;
for(int i = 0; i <= 101; i++)
{
    if(is_find[i] == 0){
 
        if(mn > abs(i - x)){
            mn = abs(i - x);
            ans = i;
        }
    }
}
 
cout << ans << endl;
	return 0;
}

Compiler output:
a.cc:6:7: error: 'll' does not name a type
    6 | const ll INF = 2000000000000000000LL;
      |       ^~
Language: C++

#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
int main(){
    int x,y;
    cin>>x>>y;
    int arr[y];
    for(int i=0;i<y;i++){
        cin>>arr[i];
    }
    sort(arr,arr+a);
    int b=arr[lower_bound(arr,arr+a,x)-arr];
    int a=arr[upper_bound(arr,arr+a,x)-arr];
    if(a-x>x-b){
        cout<<b<<endl;
    }
    else{
        cout<<a<<endl;
    }
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:18: error: 'a' was not declared in this scope
   12 |     sort(arr,arr+a);
      |                  ^
Language: C++

#include <bits/stdc++.h>
#define ll long long
using namespace std;
int main()
{
    int num, size;
    cin >> num;
    cin >> size;
    unordered_map<int, int> map;
    for (int i = 0; i < size; i++)
    {
        int a;
        cin >> a;
        map[a] = 1;
    }
    int l = num, r = num;
    while (1)
    {
        if (!map[l])
        {
            cout << l << endl;
            return;
        }
        if (!map[r])
        {
            cout << r << endl;
            return;
        }
        l--;
        r++;
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:13: error: return-statement with no value, in function returning 'int' [-fpermissive]
   22 |             return;
      |             ^~~~~~
a.cc:27:13: error: return-statement with no value, in function returning 'int' [-fpermissive]
   27 |             return;
      |             ^~~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n) ;i++)
using namespace std;
using 11=Long Long;
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.at(p)=1;
  }
  p ans(99999,-1);
  rep(i,101){
    if(d.at(i)==1){
      continue;
    }
    int dif=abs(x-i);
    ans=min(ans,p(dif,i));
  }
  cout<< ans.second << endl;
  return 0;
}
     




Compiler output:
a.cc:4:7: error: expected nested-name-specifier before numeric constant
    4 | using 11=Long Long;
      |       ^~
Language: C++

#include <iostream>
#include <vector>

using namespace std;

bool is_arr_num(int x, const vector<int>& arr)
{
 for(int num : arr)
 {
   if(x == num)
     return true;
 }
 return false;
}


int main()
{
 int X,L;
 vector<int> arr;
  
 cin >> X >> L;
 arr.reserve(L);
  
 for(int i=0;i<L;i++)
 {
   int tmp;
  cin >> tmp;
   arr.push_back(tmp);
 }
  
 if(false == is_arr_num(X,arr))
 {
   cout << X << endl;
   return;
 }
  
 for(int i=1; true;i++)
 {
    if(false == is_arr_num(X-i,arr))
 	{
   		cout << X-i << endl;
      	return;
 	}
    if(false == is_arr_num(X+i,arr))
 	{
   		cout << X+i << endl;
      	return;
 	}
 }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:4: error: return-statement with no value, in function returning 'int' [-fpermissive]
   35 |    return;
      |    ^~~~~~
a.cc:43:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   43 |         return;
      |         ^~~~~~
a.cc:48:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   48 |         return;
      |         ^~~~~~
Language: C++

#include <iostream>

using namespace std;

bool is_arr_num(int x, const vector<int>& arr)
{
 for(int num : arr)
 {
   if(x == num)
     return true;
 }
 return false;
}


int main()
{
 int X,L;
 vector<int> arr;
  
 cin >> X >> L;
 arr.reserve(L);
  
 for(int i=0;i<L;i++)
 {
   int tmp;
  cin >> tmp;
   arr.push_back(tmp);
 }
  
 if(false == is_arr_num(X,arr))
 {
   cout << X << endl;
   return;
 }
  
 for(int i=1; true;i++)
 {
    if(false == is_arr_num(X-i,arr))
 	{
   		cout << X-i << endl;
      	return;
 	}
    if(false == is_arr_num(X+i,arr))
 	{
   		cout << X+i << endl;
      	return;
 	}
 }
}

Compiler output:
a.cc:5:30: error: 'vector' does not name a type
    5 | bool is_arr_num(int x, const vector<int>& arr)
      |                              ^~~~~~
a.cc:5:36: error: expected ',' or '...' before '<' token
    5 | bool is_arr_num(int x, const vector<int>& arr)
      |                                    ^
a.cc: In function 'bool is_arr_num(int, int)':
a.cc:7:16: error: 'arr' was not declared in this scope
    7 |  for(int num : arr)
      |                ^~~
a.cc: In function 'int main()':
a.cc:19:2: error: 'vector' was not declared in this scope
   19 |  vector<int> arr;
      |  ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | 
a.cc:19:9: error: expected primary-expression before 'int'
   19 |  vector<int> arr;
      |         ^~~
a.cc:22:2: error: 'arr' was not declared in this scope
   22 |  arr.reserve(L);
      |  ^~~
a.cc:34:4: error: return-statement with no value, in function returning 'int' [-fpermissive]
   34 |    return;
      |    ^~~~~~
a.cc:42:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   42 |         return;
      |         ^~~~~~
a.cc:47:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   47 |         return;
      |         ^~~~~~
Language: C++

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

int main(){
  int x, n;
  cin >> x >> n;
  if(n == 0){
    cout << x << endl;
  }else{
    int ans = 0;
    vector<int> p(n);
    for(int i = 0; i < n; i++){
      cin >> p(i);
    }
    for(int i = 1; i < 101; i++){
      for(int j = 0; j < n; j++){
        if(i = p[j]){
          break;
        }
        if(i <= x || (x < i && x - ans > i - x)){
          ans = i;
        }
      }
    }
    cout << ans << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:15: error: no match for call to '(std::vector<int>) (int&)'
   14 |       cin >> p(i);
      |              ~^~~
Language: C++

#include<bits/stdc++.h>
#define int long long
#define rep(i,a,b) for(int i=a;i<b;i+=1)
#define reps(i,a,b) for(int i=a;i>=b;i-=1)
#define vi vector<int>
#define vvi vector<vector<int>>
#define pb push_back
#define pi pair<int, int>
#define mp make_pair
#define ff first
#define ss second
#define in1(x) int x; cin>>x;
#define in2(x, y) int x, y; cin>>x>>y;
#define in3(x, y, z) int x, y, z; cin>>x>>y>>z;
#define in4(x, y, z, w) int x, y, z, w; cin>>x>>y>>z>>w;
#define mi unordered_map<int,int>
#define mem(x) memset(x, 0, sizeof(x))
#define IOS ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
#define mod 1000000007
using namespace std;

//bool primes[1000001];vi prime;
//void seive(){memset(primes, true, sizeof(primes));primes[0] = primes[1] = false;for(int i = 2; i*i<=1000000;i += 1){
//if(primes[i]){for(int j = i*i; j <= 1000000;j += i) primes[j] = false;}}rep(i, 2, 1000001){if(primes[i]) prime.pb(i);}}
//int gcd(int a, int b){return b==0 ? a : gcd(b, a%b);}
//int power(int x, int y){ int res = 1;x = x % mod; if (x == 0) return 0;
//while (y > 0){ if(y & 1) res = (res*x) % mod; y = y>>1; x = (x*x) % mod;} return res;}

int32_t main(void){
	IOS;
	
	in2(x, n);
	int arr[n];
	mi m;
	rep(i, 0, n)
	{
		cin>>arr[i];
		m[arr[i]] += 1;
	}
	
	int n1, n2;
	int i = 0;
	while(true)
	{
		n1 = a-i;
		n2 = a+i;
		if(m[n1] == 0)
		{
			cout<<n1;
			return 0;
		}
		if(m[n2] == 0)
		{
			cout<<n2;
			return 0;
		}
		i+=1;
	}
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:45:22: error: 'a' was not declared in this scope
   45 |                 n1 = a-i;
      |                      ^
Language: C++

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>

using namespace std;
#define FOR(x, a, b)       for (int x = a; x <= b; x++)
#define all(container)     (container).begin(), container.end()
#define rall(container)    (container).rbegin(), container.rend()
#define sz(container)      (int) (container).size()
#define pb                 push_back
#define eb                 emplace_back
#define fi                 first
#define se                 second

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

#ifdef LOCAL_DEFINE
	#include "DEBUG.hpp"
#else
	#define eprint(...) 0
#endif
template<class T> bool self_min(T &a, T b) { return a > b ? (a = b, true) : false; }
template<class T> bool self_max(T &a, T b) { return a < b ? (a = b, true) : false; }

const int N = 101;
int arr1[N], arr[N];
int n, x;

int main(void)
{
	scanf("%d%d", &x, &n);
	for (int i = 0; i < n; i++)
		scanf("%d", &arr1[i]);
	int len = 0;
	bool occ[101];
	memset(occ, 0, sizeof(occ));
	for (int i = 0; i < n; i++)
		occ[arr1[i]] = 1;
	for (int i = 1; i <= 100; i++)
		if (!occ[i])
			arr[len++] = i;
	// sort(arr, arr + len);
	int pos = lower_bound(arr, arr + len, x) - arr;
	int ans = INT_MAX, val;
	if (pos != len) {
		ans = abs(arr[pos] - x);
		val = arr[pos];
	}		
	if (pos - 1 >= 0 && abs(arr[pos - 1] - x) <= ans) 
		val = arr[pos - 1];
	printf("%d\n", val);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:62:19: error: 'INT_MAX' was not declared in this scope
   62 |         int ans = INT_MAX, val;
      |                   ^~~~~~~
a.cc:20:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   19 | #include <bitset>
  +++ |+#include <climits>
   20 | 
a.cc:65:17: error: 'val' was not declared in this scope
   65 |                 val = arr[pos];
      |                 ^~~
a.cc:68:17: error: 'val' was not declared in this scope
   68 |                 val = arr[pos - 1];
      |                 ^~~
a.cc:69:24: error: 'val' was not declared in this scope
   69 |         printf("%d\n", val);
      |                        ^~~
Language: Java

import java.util.Scanner;
import java.util.List;
public class Main{
	public static void main(String[] args)
	{
		 Scanner sc=new Scanner(System.in);
		 int i=sc.nextInt();
		 int j=sc.nextInt();
		 int arr[]=new int[j];
		 List<Integer> li1=new ArrayList<Integer>();
		 if(j==0)
		 {
			 System.out.println(i);
			 return;
		 }
		 for(int k=0;k<j;k++)
		 {
			 arr[k]=sc.nextInt();
			 li1.add(arr[k]);
		 }
		 if(!li1.contains(i))
		 {
			 System.out.println(i);
			 return;
		 }
		
		 for(int k=0;k<=j;k++)
		 {
			if((li1.contains(i+k))&&(li1.contains(i-k)))
			 { 
				 continue;
			 }
           
			 if(!li1.contains(i-k))
			 {
				 System.out.println(i-k);
                 break;
				 
			 }
			 if(!li1.contains(i+k))
			 {
				 System.out.println(i+k);
                 break;
				 
			 }	 
		 }
		 
		 
	}
 
}

Compiler output:
Main.java:10: error: cannot find symbol
		 List<Integer> li1=new ArrayList<Integer>();
		                       ^
  symbol:   class ArrayList
  location: class Main
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int x,n;
  cin>>x>>n;
  set<int>s;
  if(n==0)
  {
    cout<<x<<"\n";
    return 0;
  }
  for(int i=0;i<n;i++)
  {
    int a;
    cin>>a;
    s.insert(a);
  }
  if(s.find(x)==s.end())
  {
    cout<<x<<"\n";
    return;
  }
  int i=x-1,j=x+1;
  while(i>=0 && j<=100)
  {
    if(s.find(i)==s.end())
    {
      cout<<i<<"\n";
      flag=true;
      break;
    }
    if(s.find(j)==s.end())
    {
      cout<<j<<"\n";
      flag=true;
      break;
    }
    i--;j++;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
   22 |     return;
      |     ^~~~~~
a.cc:30:7: error: 'flag' was not declared in this scope
   30 |       flag=true;
      |       ^~~~
a.cc:36:7: error: 'flag' was not declared in this scope
   36 |       flag=true;
      |       ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int x,n,p=0;
  cin>>x>>y;
  int ar[n],nr[100];
  for(int i=0;i<n;i++){
    cin>>ar[i];
    }
  for(int j=0;j<100;j++)
    nr[j]=j+1;
  nr=nr-ar;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:11: error: 'y' was not declared in this scope
    5 |   cin>>x>>y;
      |           ^
a.cc:12:5: error: incompatible types in assignment of 'long int' to 'int [100]'
   12 |   nr=nr-ar;
      |   ~~^~~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
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;
  }
  P = ans(99999, -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:16:5: error: expected unqualified-id before '=' token
   16 |   P = ans(99999, -1);
      |     ^
a.cc:20:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |     ans = min(ans, P(dif,i));
      |     ^~~
      |     abs
a.cc:22:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |   cout << ans.second << endl;
      |           ^~~
      |           abs
Language: Java

import java.util.*;
public class MyClass {
    public static void main(String args[]) {
  Scanner sc = new Scanner(System.in);
  int x = sc.nextInt();
  int n = sc.nextInt();
  
  boolean[] ok = new boolean[201];
  for(int i =0;i<n;i++){
      int c = sc.nextInt();
      ok[c] =true;
  }
  int result = 500;
  int diff = 500;
  for(int i =0;i<=200;i++){
      if(!ok[i]){
          int abs = Math.abs(x-i);
          if(abs<diff){
              result =i;
              diff = abs;
          }else if(abs == diff){
                result = Math.min(result, i);
          }
      }
  }
  System.out.println(result);
    }
}

Compiler output:
Main.java:2: error: class MyClass is public, should be declared in a file named MyClass.java
public class MyClass {
       ^
1 error
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){
    int a;
    cin>>a;
    d[a]++;
  }
  P ans(99999,-1);
  for(int i=0;i<=101;i++){
      if(d[i]==1) continue;
      int dif=abs(i-x));
      ans=min(ans,P(dif,i));
  }
  cout<<ans.sc<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:23: error: expected ',' or ';' before ')' token
   30 |       int dif=abs(i-x));
      |                       ^
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){
    int a;
    cin>>a;
    d[a]++;
  }
  P ans(99999,-1)
  for(int i=0;i<=101;i++){
      if(d[i]==1) continue;
      int dif=abs(i-x));
      ans=min(ans,P(dif,i));
  }
  cout<<ans.sc<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:3: error: expected ',' or ';' before 'for'
   28 |   for(int i=0;i<=101;i++){
      |   ^~~
a.cc:28:15: error: 'i' was not declared in this scope
   28 |   for(int i=0;i<=101;i++){
      |               ^
Language: Java

import java.util.*;
public class MyClass {
    public static void main(String args[]) {
  Scanner sc = new Scanner(System.in);
  int x = sc.nextInt();
  int n = sc.nextInt();
  
  boolean[] ok = new boolean[201];
  for(int i =0;i<n;i++){
      int c = sc.nextInt();
      ok[c] =true;
  }
  int result = 501;
  int diff = 501;
  for(int i =0;i<=200;i++){
      if(!ok[i]){
          int abs = Math.abs(x-i);
          if(abs<diff){
              result =i;
              diff = abs;
          }else if(abs == diff){
                result = Math.min(result, i);
          }
      }
  }
  System.out.println(result);
    }
}

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

#include<bits/stdc++.h>
#define int long long
using namespace std;
int a[105];
bool f[105];
signed main(){
	int n,m;
	cin>>n>>m;
	for(int i=0;i<n;i++){
		cin>>a[i];
		f[a[i]]=true;
	}
	for(int i=0;i<=n;i++){
		if(!f[n-i]){
			cout<<n-i<<endl;
			return 0;
		}else{
			if(!flag[n+i]){
				cout<<n+i<<endl;
				return 0;
			}
		}
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:29: error: 'flag' was not declared in this scope
   18 |                         if(!flag[n+i]){
      |                             ^~~~
Language: C++

#include<bits/stdc++.h>
#define int long long
using namespace std;
int a[105];
bool f[105];
signed main(){
	int n,m;
	cin>>n>>m;
	for(int i=0;i<n;i++){
		cin>>a[i];
		f[a[i]]=true;
	}
	for(int i=0;i<=n;i++){
		if(!f[x-i]){
			cout<<x-i<<endl;
			return 0;
		}else{
			if(!flag[x+i]){
				cout<<x+i<<endl;
				return 0;
			}
		}
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:23: error: 'x' was not declared in this scope
   14 |                 if(!f[x-i]){
      |                       ^
a.cc:18:29: error: 'flag' was not declared in this scope
   18 |                         if(!flag[x+i]){
      |                             ^~~~
Language: C++

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

int main() {
 	int ans = -10000; 
  	int x, n; scanf("%d%d", &x, &n);
  	set<int> all;
  	for (int i = x-200; i <= x+200; i++) all.emplace(i);
  	while(n--) {
      	int k; scanf("%d", &k);
      	all.erase(k);
    }
  	
  	int ans = -10000;
  	for (int i : all) {
     	if (abs(i - x) < abs(ans - x)) ans = i;
    }
  	printf("%d\n", ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:13: error: redeclaration of 'int ans'
   14 |         int ans = -10000;
      |             ^~~
a.cc:5:13: note: 'int ans' previously declared here
    5 |         int ans = -10000;
      |             ^~~
Language: C++

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

int main(){
  int x,n;
  cin>>x>>n;
  int num[n];
  for(int i=0;i<n;i++){
	cin>>num[i];
  }
  int index = 0;
  int d = 100;
  for(int i=0;i<n;i++){
    if(abs[num[i] - x]<d) index = i;
  }
  cout<<num[index]<<endl;
}

  


Compiler output:
a.cc: In function 'int main()':
a.cc:15:11: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   15 |     if(abs[num[i] - x]<d) index = i;
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main(){
  int x,n;
  cin>>x>>n;
  int[n] num;
  for(int i=0;i<n;i++){
	cin>>num[i];
  }
  int index = 0;
  int d = 100;
  for(int i=0;i<n;i++){
    if(num[i] - x<d) index = i;
  }
  cout<<num[index]<<endl;
}

  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: structured binding declaration cannot have type 'int'
    7 |   int[n] num;
      |      ^~~
a.cc:7:6: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:7:7: error: conflicting declaration 'auto n'
    7 |   int[n] num;
      |       ^
a.cc:5:9: note: previous declaration as 'int n'
    5 |   int x,n;
      |         ^
a.cc:7:10: error: expected initializer before 'num'
    7 |   int[n] num;
      |          ^~~
a.cc:9:14: error: 'num' was not declared in this scope; did you mean 'enum'?
    9 |         cin>>num[i];
      |              ^~~
      |              enum
a.cc:14:8: error: 'num' was not declared in this scope; did you mean 'enum'?
   14 |     if(num[i] - x<d) index = i;
      |        ^~~
      |        enum
a.cc:16:9: error: 'num' was not declared in this scope; did you mean 'enum'?
   16 |   cout<<num[index]<<endl;
      |         ^~~
      |         enum
Language: C++

#include<iostream>
using namespace std;

bool inArr (int* arr,int len,int X){
  for(int i=0;i<len;i++){
    if(X==arr[i]){
      return true;
    }
    return false;
  }
}

int main(){
  int x,n;
  int arr[101];
  while(cin>>x>>n){
    for(int i=0;i<n;i++){
      cin>> arr[i];
    }
    int XX=x,dif_n=0,;
    while(inArr(arr,n,XX)){
      XX-=1;
      dif_n=abs(x-XX);
    }
    int NN=x,dif_p=0;
    while(inArr(arr,n,NN)){
      NN+=1;
      dif_p=abs(x-NN)
    }
  }
  if(dif_p<dif_n){
    cout<<NN<<endl;
  }
  else{
    cout<<XX<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:22: error: expected unqualified-id before ';' token
   20 |     int XX=x,dif_n=0,;
      |                      ^
a.cc:28:22: error: expected ';' before '}' token
   28 |       dif_p=abs(x-NN)
      |                      ^
      |                      ;
   29 |     }
      |     ~                 
a.cc:31:6: error: 'dif_p' was not declared in this scope
   31 |   if(dif_p<dif_n){
      |      ^~~~~
a.cc:31:12: error: 'dif_n' was not declared in this scope
   31 |   if(dif_p<dif_n){
      |            ^~~~~
a.cc:32:11: error: 'NN' was not declared in this scope
   32 |     cout<<NN<<endl;
      |           ^~
a.cc:35:11: error: 'XX' was not declared in this scope
   35 |     cout<<XX<<endl;
      |           ^~
a.cc: In function 'bool inArr(int*, int, int)':
a.cc:11:1: warning: control reaches end of non-void function [-Wreturn-type]
   11 | }
      | ^
Language: C

#include<stdio.h>
 
int main(void){
 int x,n;
  int s=0;
  scanf("%d%d",&x,&n);
  int p[n];
  for(int i=0;i<n;i++){
    scanf("%d",&p[i]);
  }
  for(int j=0;;j++){
    s=0;
    if(j%2!=0){
      x=x-j;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
    }else{
      x=x+j;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:33:1: error: expected declaration or statement at end of input
   33 | }
      | ^
Language: C

#include<stdio.h>
 
int main(void){
 int x,n;
  int s=0;
  scanf("%d%d",&x,&n);
  int p[n];
  for(int i=0;i<n;i++){
    scanf("%d",&p[i]);
  }
  for(int j=0;;j++){
    s=0;
    if(j%2!=0){
      x=x-j;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
    }else{
      x=x+i;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
    }
}

Compiler output:
main.c: In function 'main':
main.c:23:11: error: 'i' undeclared (first use in this function)
   23 |       x=x+i;
      |           ^
main.c:23:11: note: each undeclared identifier is reported only once for each function it appears in
main.c:32:1: error: expected declaration or statement at end of input
   32 | }
      | ^
Language: C

#include<stdio.h>
 
int main(void){
 int x,n;
  int s=0;
  scanf("%d%d",&x,&n);
  int p[n];
  for(int i=0;i<n;i++){
    scanf("%d",&p[i]);
  }
  for(int j=0;;j++){
    s=0;
    if(j%2!=0){
      x=x-i;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
    }else{
      x=x+i;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
    }
}

Compiler output:
main.c: In function 'main':
main.c:14:11: error: 'i' undeclared (first use in this function)
   14 |       x=x-i;
      |           ^
main.c:14:11: note: each undeclared identifier is reported only once for each function it appears in
main.c:32:1: error: expected declaration or statement at end of input
   32 | }
      | ^
Language: C

#include<stdio.h>
 
int main(void){
 int x,n;
  int s=0;
  scanf("%d%d",&x,&n);
  int p[n];
  for(int i=0;i<n;i++)scanf("%d",&p[i]);
  for(int j=0;;j++){
    s=0;
    if(j%2!=0){
      x=x-i;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
    }else{
      x=x+i;
      for(int i=0;i<n;i++){
        if(x==p[i]) s=1;
        }
      if(s==0){
        printf("%d\n",x);
        return 0;
      }
      
}

Compiler output:
main.c: In function 'main':
main.c:12:11: error: 'i' undeclared (first use in this function)
   12 |       x=x-i;
      |           ^
main.c:12:11: note: each undeclared identifier is reported only once for each function it appears in
main.c:30:1: error: expected declaration or statement at end of input
   30 | }
      | ^
main.c:30:1: error: expected declaration or statement at end of input
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#include <vector>
#include <string>
#include <iomanip>
#define faster       ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define f(i,a,b) for(ll i=a;i<b;i++)
#define r(i,a,b) for(ll i=a;i>b;i--)
using namespace std;
typedef long long ll;
typedef long double ld;

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

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


int main() {
int X,N,minabs,minabsint,minsort;
cin>>X>>N;
vector<int> p(N);

int q=0;

rep(i,N){cin>>p.at(i);}
rep(i,201){
  if(i%2==1){q=()(-1)^i)*(i+1)/2;}
  else{q=()(-1)^i)*i/2;}
  rep(j,N){
    if(X+q==p(j)){break;}
    if(j==N-1){cout<<X+q<<endl;}
  }
}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: expected primary-expression before ')' token
   15 |   if(i%2==1){q=()(-1)^i)*(i+1)/2;}
      |                 ^
a.cc:16:11: error: expected primary-expression before ')' token
   16 |   else{q=()(-1)^i)*i/2;}
      |           ^
a.cc:18:14: error: no match for call to '(std::vector<int>) (int&)'
   18 |     if(X+q==p(j)){break;}
      |             ~^~~
Language: C

#include <stdio.h>

int main(){
  int x,n; scanf("%d %d",&x,&n);
  int p[102]={0};
  for(int i=0;i<n;i++){
    int q; scanf("%d",&q);
    p[q]=1;
  }
  for(int i=0;;i++){
    if(x-i>0){
      if(p[x-i]){
      printf("%d",x-i);
      break;
      }
    if(x+i<102){
      if(p[x+i]){
      printf("%d",x+i);
      break;
      }
    }
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:24:1: error: expected declaration or statement at end of input
   24 | }
      | ^
Language: C

#include <stdio.h>

int main(){
  int x,n; scanf("%d %d",&x,&n);
  int p[102]={0};
  for(int i=0;i<102;i++){
    int q; scanf("%d",&q);
    p[q]=1:
  }
  for(int i=0;;i++){
    if(x-i>=0)
      if(p[x-i]){
      printf("%d",x-i);
      break;
      }
    if(x+i<102){
      if(p[x+i]){
      printf("%d",x+i);
      break;
      }
    }
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:8:11: error: expected ';' before ':' token
    8 |     p[q]=1:
      |           ^
      |           ;
Language: C

#include <stdio.h>

int main(){
  int x,n; scanf("%d %d",&x,&n);
  int p[102]={0};
  for(int i=0;i<102;i++){
    int q; scanf("%d",&q);
    p[q]=1:
  }
  for(int i=0;;i++){
    if(x-i>0&&p[x-i]){
      printf("%d",x-i);
      break;
    }else if(x+i<102&&p[x+i]){
      printf("%d",x+i);
      break;
    }
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:8:11: error: expected ';' before ':' token
    8 |     p[q]=1:
      |           ^
      |           ;
Language: C

#include <iostream>

int main() {
  using namespace std;

  int x, n, p[100];

  cin >> x >> n;

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

  bool flag[102] = { };

  for (int i = 0; i < n; i++) {
    flag[p[i]] = true;
  }

  int ans = 0;
  for (int i = 0; i < 102; i++) {
    if (!flag[i]) {
      if (std::abs(x - ans) > std::abs(x - i)) {
        ans = i;
      }
    }
  }

  cout << ans;

  return 0;
}


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

/* この問題は、atcoder problems atcoder beginner contest 170 の C問題です */

#include<stdio.h>

signed main(){
int x,n,p;
scanf("%d %d",&x,&n);
int i;
for(i=0;i<n;i++){
    scanf("%d",&p[i]);    
}
int flag[105]={};/* 中カッコの中に何も入れずにすると、全ての値を初期化する。 */
/*審議判定を保持する。添字は、0の時に使えて1の時に使えない。*/
int abs=0;/*確実に仕える答えを最初からansに代入しておく。*/
for(i=0;i<n;i++){
flag[p[i]]=1;  /*p[i]は使えないためFLAGを1にする。*/  
}
for(i=1;i<=101;i++){/* 1から101までの全ての条件を調べている。 */
if(flag[i]==0){/* iが使える値だったら。。。 */
int abs1,abs2;
abs1=x-abs;
abs2=x-i;
if(abs1<0){
    abs1=abs1*-1;/* 絶対値の考え。 */
}
if(abs2=abs2*-1){
    abs2=abs2*-1;
}
if(abs1>abs2){/* 絶対値が同じ場合は、数の小さい方を答えとする。
              この問題の審議判定。 */
    abs=i;
  }
 }
}
printf("%d\n",abs);


return(0);


}


Compiler output:
main.c: In function 'main':
main.c:10:18: error: subscripted value is neither array nor pointer nor vector
   10 |     scanf("%d",&p[i]);
      |                  ^
main.c:16:7: error: subscripted value is neither array nor pointer nor vector
   16 | flag[p[i]]=1;  /*p[i]は使えないためFLAGを1にする。*/
      |       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define pll pair<ll,ll>

int main()
{
	ll t;
    cin>>t;
    while(t--)
    {
    	ll n,m;
        cin>>m>>n;
        ll a[n];
        for(ll i=0;i<n;i++)
          cin>>a[i];
      	sort(a,a+n);
      	ll l,r;
      	l=a[lower_bound(a.begin(),a.end(),m)-a.begin()-1];
      	r=a[upper_bound(a.begin(),a.end(),m)-a.begin()-1];
      	ll ans=abs(m-l);
      	ans=max(ans,abs(m-r));
      if(ans==abs(m-l))
        cout<<l<<endl;
      else
        cout<<r<<endl;
    }
 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:27: error: request for member 'begin' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   23 |         l=a[lower_bound(a.begin(),a.end(),m)-a.begin()-1];
      |                           ^~~~~
a.cc:23:37: error: request for member 'end' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   23 |         l=a[lower_bound(a.begin(),a.end(),m)-a.begin()-1];
      |                                     ^~~
a.cc:23:48: error: request for member 'begin' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   23 |         l=a[lower_bound(a.begin(),a.end(),m)-a.begin()-1];
      |                                                ^~~~~
a.cc:24:27: error: request for member 'begin' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   24 |         r=a[upper_bound(a.begin(),a.end(),m)-a.begin()-1];
      |                           ^~~~~
a.cc:24:37: error: request for member 'end' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   24 |         r=a[upper_bound(a.begin(),a.end(),m)-a.begin()-1];
      |                                     ^~~
a.cc:24:48: error: request for member 'begin' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   24 |         r=a[upper_bound(a.begin(),a.end(),m)-a.begin()-1];
      |                                                ^~~~~
Language: C

#include<stdio.h>
signed main(){
        int x,n,p[105];
        scanf("%d %d",&x,&n);
        int i;
        scanf("%d",&p[i]);
        {
                int flag[105]={};
                int ans=0;
                for(i=0;i<n;i++){
                        flag[p[1]]=1;

                }
                for(i=1;i<-101;i++){
                        
                                if(flag[i]==0){
                                        int abs1,abs2;
                                        abs1=x-ans;
                                        abs2=x-i;
                                        if(abs1<0){
                                                abs1=abs1*-1;

                                        }
                                        if(abs1>abs2){
                                                ans=i
                                        
                                        }
                                }
                        }
                }
                
        }
        printf("%d\n",ans);
        return(0);


}



Compiler output:
main.c: In function 'main':
main.c:25:54: error: expected ';' before '}' token
   25 |                                                 ans=i
      |                                                      ^
      |                                                      ;
   26 | 
   27 |                                         }
      |                                         ~             
main.c: At top level:
main.c:33:16: error: expected declaration specifiers or '...' before string constant
   33 |         printf("%d\n",ans);
      |                ^~~~~~
main.c:33:23: error: unknown type name 'ans'
   33 |         printf("%d\n",ans);
      |                       ^~~
main.c:34:9: error: expected identifier or '(' before 'return'
   34 |         return(0);
      |         ^~~~~~
main.c:37:1: error: expected identifier or '(' before '}' token
   37 | }
      | ^
Language: C

#include<stdio.h>
signed main(){
        int x,n,p[105];
        scanf("%d %d",&x,&n);
        int i;
        scanf("%d",&p[i]);
        {
                imt flag[105]={};
                int ans=0;
                for(i=0;i<n;i++){
                        flag[p[1]]=1;

                }
                for(i=1;i<-101;i++){
                        if(i=1;i<=101;i++){
                                if(flag[i]==0){
                                        int abs1,abs2;
                                        abs1=x-ans;
                                        abs2=x-i;
                                        if(abs1<0){
                                                abs1=abs1*-1;

                                        }
                                        if(abs1>abs2){
                                                ans=i
                                        
                                        }
                                }
                        }
                }
                
        }
        printf("%d\n",ans);
        return(0);
        

}



Compiler output:
main.c: In function 'main':
main.c:8:17: error: unknown type name 'imt'; did you mean 'int'?
    8 |                 imt flag[105]={};
      |                 ^~~
      |                 int
main.c:15:31: error: expected ')' before ';' token
   15 |                         if(i=1;i<=101;i++){
      |                           ~   ^
      |                               )
main.c:25:54: error: expected ';' before '}' token
   25 |                                                 ans=i
      |                                                      ^
      |                                                      ;
   26 | 
   27 |                                         }
      |                                         ~             
main.c:33:23: error: 'ans' undeclared (first use in this function)
   33 |         printf("%d\n",ans);
      |                       ^~~
main.c:33:23: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
signed main(){
        int x,n,p[105];
        scanf("%d %d",&x,&n);
        int i;
        scanf("%d",&p[i]);
        {
                imt flag[105]={};
                int ans=0;
                for(i=0;i<n;i++){
                        flag[p[1]]=1;

                }
                for(i=1;i<-101;i++){
                        if(i=1;i<=101;i++){
                                if(flag[i]==0){
                                        int abs1,abs2;
                                        abs1=x-ans;
                                        abs2=x-i;
                                        if(abs1<0){
                                                abs1=abs1*-1;

                                        }
                                        if(abs1>abs2){
                                                ans=i
                                        
                                        }
                                }
                        }
                }
                
        }
        printf("%d\n",ans);
        return(0);

Compiler output:
main.c: In function 'main':
main.c:8:17: error: unknown type name 'imt'; did you mean 'int'?
    8 |                 imt flag[105]={};
      |                 ^~~
      |                 int
main.c:15:31: error: expected ')' before ';' token
   15 |                         if(i=1;i<=101;i++){
      |                           ~   ^
      |                               )
main.c:25:54: error: expected ';' before '}' token
   25 |                                                 ans=i
      |                                                      ^
      |                                                      ;
   26 | 
   27 |                                         }
      |                                         ~             
main.c:33:23: error: 'ans' undeclared (first use in this function)
   33 |         printf("%d\n",ans);
      |                       ^~~
main.c:33:23: note: each undeclared identifier is reported only once for each function it appears in
main.c:34:9: error: expected declaration or statement at end of input
   34 |         return(0);
      |         ^~~~~~
Language: C

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

int main(){
    int x, n;
    int min, k, l; 
    
    min = 200;
    l = 100;

    scanf("%d", &x);
    scanf("%d", &n);

    int p[n+1];

    for(int i=1; i<n+1; i++){
         scanf("%d", &p[i]);
    }   
    
    
    for(int i=-1; i<=101; i++){

        f = 0;
        
            for(int j=1; j<n+1; j++){
                if(i == p[j]){
                    f = 1;
                    break;    
                }
            }

            if(f == 0){
                k = abs(i - x);
                if(min > k){
                     min = k;
                     l = i;
                }
            }
        
    }   

    printf("%d\n", r);
    

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:23:9: error: 'f' undeclared (first use in this function)
   23 |         f = 0;
      |         ^
main.c:23:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:42:20: error: 'r' undeclared (first use in this function)
   42 |     printf("%d\n", r);
      |                    ^
Language: C++

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

int main(){
  int x,n;
  cin >> x >> n;
  int a[n];
  for(int i = 0;i < n;i++){
    cin >> a[i];
  }
  int ans = 0;
  int diff =x;
  for(int i = 0;i < n;i++){
    bool flag = true;
    for(int j = 0;j < n;j++){
      if(ans==a[i])flag=false;
    }
    if(flag) diff = min(diff,abs(x-a[i]);
  }
  cout << min(diff,101-x) << endl;
}
                       
  

Compiler output:
a.cc: In function 'int main()':
a.cc:19:41: error: expected ')' before ';' token
   19 |     if(flag) diff = min(diff,abs(x-a[i]);
      |                        ~                ^
      |                                         )
Language: C

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

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

Compiler output:
main.c:24:3: error: expected identifier or '(' before 'return'
   24 |   return 0;
      |   ^~~~~~
main.c:25:1: error: expected identifier or '(' before '}' token
   25 | }
      | ^