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

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;
import java.util.function.Function;
import java.util.stream.Collectors;

public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long n = sc.nextLong();
    List<Long> a = new ArrayList<>();
    for (int i = 0; i < n; i++) {
      a.add(sc.nextLong());
    }
    Map<Long, List<Long>> collect = a.stream().collect(Collectors.groupingBy(Function.identity()));
    List<Long> list = collect.keySet().stream().sorted(Comparator.naturalOrder()).collect(Collectors.toList());
    SortedSet<Long> less = new TreeSet<>();
    long count = 0;
    for (int i = 0, len = list.size(); i < len; i++) {
      Long aLong = list.get(i);
      if (collect.get(aLong).size() > 1) {
        less.add(aLong);
        continue;
      }
      boolean boo = true;
      long jlen = (long) Math.floor(Math.sqrt(aLong);
      SortedSet<Long> lll = less.tailSet(jlen);
      SortedSet<Long> ll1 = less.headSet(jlen);
      for (long j = 1; j <= jlen; j++) {
        if (aLong % j == 0) {
          if (ll1.contains(j) || lll.contains(aLong / j)) {
            boo = false;
            break;
          }
        }
      }
      if (boo) {
        count++;
      }
      less.add(aLong);
    }

    System.out.println(count);
  }
}


Compiler output:
Main.java:26: error: ')' or ',' expected
      long jlen = (long) Math.floor(Math.sqrt(aLong);
                                                    ^
1 error
Language: C++

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

int main() {
    int n,count;
    cin >> n;
    count=0;
    vector<int> A(n);
    for(int i=0;i<n;i++){
        cin >> A.at(i);
    }
    sort (A.begin(),end());
    for(int i=0;i<n;i++){
        int t=1;
        for(int j=0;j<i;j++){
            if(A.at(i)%A.at(j)==0){
                t=0;
                break;
            }

        }
        if(t==1){
            count++;
        }
    }
    cout << count << endl; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:24: error: no matching function for call to 'end()'
   12 |     sort (A.begin(),end());
      |                     ~~~^~
In file included from /usr/include/c++/14/bits/algorithmfwd.h:39,
                 from /usr/include/c++/14/bits/stl_algo.h:59,
                 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/initializer_list:99:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(initializer_list<_Tp>)'
   99 |     end(initializer_list<_Tp> __ils) noexcept
      |     ^~~
/usr/include/c++/14/initializer_list:99:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/range_access.h:74:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
   74 |     end(_Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:74:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:85:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
   85 |     end(const _Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:85:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:106:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
  106 |     end(_Tp (&__arr)[_Nm]) noexcept
      |     ^~~
/usr/include/c++/14/bits/range_access.h:106:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/valarray:1249:5: note: candidate: 'template<class _Tp> _Tp* std::end(valarray<_Tp>&)'
 1249 |     end(valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1249:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/valarray:1265:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const valarray<_Tp>&)'
 1265 |     end(const valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1265:5: note:   candidate expects 1 argument, 0 provided
Language: C++

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

int main() {
  int N;
  int count = 0;
  cin>>N;
  int A[N] = {0};
  for(int i=0;i<N;i++){
    cin>>A[i];
  }
  sort(A, A+N);
  for(int i=0;i<N;i++){
    int flg = 0;
    if(A[i]==A[i+1]){
      removenum = A[i]
    }
    if(removenum!=A[i]){
      for(int j=0;j<i;j++){
        if(A[i]%A[j]==0){
          flg = 1;
          break;
        }
        if(A[i]/2<=A[j]){
          break;
        }
      }
      if(flg!=1){
        count = count + 1;
      }
    }
  }
  
  cout<<count<<endl;
//cin>>str;
//cout<<str<<endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:7: error: 'removenum' was not declared in this scope; did you mean 'remove'?
   16 |       removenum = A[i]
      |       ^~~~~~~~~
      |       remove
a.cc:18:8: error: 'removenum' was not declared in this scope; did you mean 'remove'?
   18 |     if(removenum!=A[i]){
      |        ^~~~~~~~~
      |        remove
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;
  cin >> n;
  int m=0;
  vector<int>a(n);
  for (int i=0;i<n;i++) {
    cin >> a.at(i); 
  }
  sort(a.begin(),a.end());
  for (unsigned int i=0;i<n/2+1;i++) {
    if(a.at(i)!=0){
    for(int j=0;j<n;j++){
      if(a.at(j)%a.at(i)==0 && a.at(j)!=a.at(i) && i!=j){
        a.at(j)=0;
      }
    }
    }  
  }
  for (int j=0;j<n;j++) {
     if(a.at(i)!=0){
     m++;
     }
  }
 cout << m << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:14: error: 'i' was not declared in this scope
   23 |      if(a.at(i)!=0){
      |              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int64_t MOD=1000000007;
int main() {
  int N,ans=0;
  cin>>N;
  vector<int64_t> A(N);
  vector<bool> div(1000050,true);
  rep(i,N) cin>>A.at(i);
  sort(A.begin(),A.end());
  rep(i,N){
    int64_t k=A.at(i);
    if(div.at(k+1)){
      k*=2;
      while(k<=1000010){
        div.at(k+1)=false;
                k+=A.at(i);
      }
    }
  }
  rep(i,N-1){
    if(A.at(i)==A.at(i+1)) div.at(A.at(i)+1)=false;
    
  rep(i,N){
    if(div.at(A.at(i)+1)) ans++;
  } 
  cout<<ans;     
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:2: error: expected '}' at end of input
   29 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
 int n;  
  cin>>n;
vector<int> data(n);
  for(int i=0;i<n;i++){
     cin >> data.at(i);
  }
  int a=0;
  int b=0;

bool b=true;
  for(int i=0;i<n;i++){
        b=0;
    for(int j=0;j<n;j++){
      if(i==j)        continue;
 
      if(data.at(i)%data.at(j)==0){     
        b++;
        break;
    }
    }
     if(b==0) a++;
  }
  cout<<a<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:6: error: conflicting declaration 'bool b'
   13 | bool b=true;
      |      ^
a.cc:11:7: note: previous declaration as 'int b'
   11 |   int b=0;
      |       ^
Language: C++

#include <math.h>

#include <algorithm>
#include <cstring>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <string>
#include <vector>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
using ll = long long;
using P = pair<int, int>;

int main() {
  int n;
  cin >> n;
  map<int, int> mp;
  rep(i, n) {
    int s;
    cin >> s;
    mp[s]++;  //振り分け
  }
  int ans = 0;
  bool ok = true;
  for (auto it : mp) {  // i
    ok = true;
    for (auto th : mp) {  // j
      if (it.first % th.first != 0 && it.first != th.first) {
        ok = false;
        break;
      }
    }
    if (ok) ans += it.second * th.second;
  }

  cout << ans;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:32: error: 'th' was not declared in this scope; did you mean 'tm'?
   35 |     if (ok) ans += it.second * th.second;
      |                                ^~
      |                                tm
Language: C++

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

int compare_int(const void *a, const void *b)
{
    return *(int*)a - *(int*)b;
}

int main(void)
{
	int i,N,A[200002],total,j,so[200002],count=0;
	scanf("%d",&N);
	total=N;
	for(i=0;i<N;i++){
		scanf("%d",&A[i]);
	}
	qsort(A, N, sizeof(int), compare_int);
	for(i=0;i<N;i++){
		if(A[i]==A[i-1]&&i!=0){
			total--;
		}else{
			for(j=0;j<count;j++){
				if(A[i]%A[j]==0){
					total--;
					break;
				}
				if(A[i-1]!=A[i]&&A[i]==A[i+1]&&i-1!<0&&i+1>N-1){j=count;break;}
				if(A[j]*2>A[i]){j=count;break;}
				if(A[i]%2!=0){
					if(A[j]*3>A[i]){
						j=count;break;
					}else if(A[i]%3!=0){
						if(A[j]*5>A[i]){
							j=count;break;
						}else if(A[i]%5!=0){
							if(A[j]*7>A[i]){
								j=count;break;
							}else if(A[i]%7!=0){
								if(A[j]*11>A[i]){
									j=count;break;
								}else if(A[i]%11!=0){
									if(A[j]*13>A[i]){
										j=count;break;
									}else if(A[i]%13!=0){
										if(A[j]*17>A[i]){
											j=count;break;
										}else if(A[i]%17!=0){
											if(A[j]*19>A[i]){
												j=count;break;
											}else if(A[i]%19!=0){
												if(A[j]*23>A[i]){
													j=count;break;
												}
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
		if(j==count&&j!=0){
			so[count]=A[i];
			count++;
			if(A[i]==A[i+1]&&i+1<N)total--;
		}
		if(i==0&&A[i]==A[i+1]){
			total--;
			count++;
			so[0]=A[i];
		}
		if(i==0&&A[i]!=A[i+1]){
			count++;
			so[0]=A[i];
		}
	}
	printf("%d",total);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:67: error: expected ')' before '!' token
   27 |                                 if(A[i-1]!=A[i]&&A[i]==A[i+1]&&i-1!<0&&i+1>N-1){j=count;break;}
      |                                   ~                               ^
      |                                                                   )
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
typedef long long ll;
int main(){
  ll n,ans,ch=0;cin>>n;ans=n;
  ll a[1000000],b[n],c[n];
  fill(a,a+1000000,0);
  fill(c,c+n,0);
  for(ll i=0;i<n;i++){
    cin>>b[i];
    if(a[b[i]]==1){
      ch=1;ans--;
      if(c[i]==0){
        for(ll j=0;j<i;j++){
          if(b[i]==b[j]){c[j]==1;}
        }
      c[i]=1;
    }
    a[b[i]]=1;
  }
  if(ch==1){ans--;}
  for(ll i=0;i<n;i++){
    for(ll j=2;j*j<=b[i];j++){
      if(b[i]%j==0){
        if(c[i]==0){
        if(a[j]==1||a[b[i]/j]==1){
          ans--;c[i]=1;
          break;
        }
        }
      }
    }
  }
  if(ans<0){ans=0;}
  cout << ans<<endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:37:2: error: expected '}' at end of input
   37 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: Java

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;
import java.util.function.Function;
import java.util.stream.Collectors;

public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long n = sc.nextLong();
    List<Long> a = new ArrayList<>();
    for (int i = 0; i < n; i++) {
      a.add(sc.nextLong());
    }
    Map<Long, List<Long>> collect = a.stream().collect(Collectors.groupingBy(Function.identity()));
    List<Long> list = collect.keySet().stream().sorted(Comparator.naturalOrder()).collect(Collectors.toList());
    SortedSet<Long> less = new TreeSet<>();
    long count = 0;
    for (int i = 0, len = list.size(); i < len; i++) {
      Long aLong = list.get(i);
      if (collect.get(aLong).size() > 1) {
        less.add(aLong);
        continue;
      }
      boolean boo = true;
      long jlen = (long) Math.floor(Math.sqrt(aLong);
      SortedSet<Long> longs = less.tailSet(jlen);
      SortedSet<Long> longs1 = less.headSet(jlen);
      for (long j = 1; j <= jlen; j++) {
        if (aLong % j == 0) {
          if (longs1.contains(j) || longs.contains(aLong / j)) {
            boo = false;
            break;
          }
        }
      }
      if (boo) {
        count++;
      }
      less.add(aLong);
    }

    System.out.println(count);
  }
}


Compiler output:
Main.java:26: error: ')' or ',' expected
      long jlen = (long) Math.floor(Math.sqrt(aLong);
                                                    ^
1 error
Language: C++

#include <iostream> // cout, endl, cin
#include <string> // string, to_string, stoi
#include <vector> // vector
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound
#include <utility> // pair, make_pair
#include <tuple> // tuple, make_tuple
#include <cstdint> // int64_t, int*_t
#include <cstdio> // printf
#include <map> // map
#include <queue> // queue, priority_queue
#include <set> // set
#include <stack> // stack
#include <deque> // deque
#include <unordered_map> // unordered_map
#include <unordered_set> // unordered_set
#include <bitset> // bitset
#include <cctype> // isupper, islower, isdigit, toupper, tolower
#include <math.h>
#include <iomanip>
using namespace std;
#define int long long

signed main(){
    cin.tie(0);
    cout.tie(0);
    ios::sync_with_stdio(false);

    int n; cin >> n;
    vector<int> a(n);
    for(int i = 0;i < n;i ++) cin >> a.at(i);
    if(n == 1){
        cout << 1 << endl;
        return 0;
    }

    sort(a.begin(),a.end());
    vector<bool> hantei(n,true);

    if(a.at(0) == a.at(1)){
        hantei.at(0) = false;
        hantei.at(1) = false;
    }


    auto itr = lower_bound(a.begin(),a.end(),a.at(0) * 2);
    int x = itr - a.begin();

    for(int j = x;j < n;j ++){

        if(a.at(j) % a.at(0) == 0) hantei.at(j) = false;
    }

    for(int i = 1;i < n-1;i ++){

        if(a.at(i) == a.at(i-1)){
            hantei.at(i) = false;
        }

        if(hantei.at(i) == false) continue;

        if(a.at(i) == a.at(i+1) || a.at(i) == a.at(i-1)){
            hantei.at(i) = false;
        }

        auto itr = lower_bound(a.begin(),a.end(),a.at(i) * 2);
        int x = itr - a.begin();

        for(int j = x;a.at(j) == a.at(i) * 2;j ++){
            if(hantei.at(j) == false) continue;
            if(a.at(j) % a.at(i) == 0) hantei.at(j) = false;
        }

        itr = lower_bound(a.begin(),a.end(),a.at(i) * 3);
        int x = itr - a.begin();

        for(int j = x;a.at(j) == a.at(i) * 3;j ++){
            if(hantei.at(j) == false) continue;
            if(a.at(j) % a.at(i) == 0) hantei.at(j) = false;
        }

        itr = lower_bound(a.begin(),a.end(),a.at(i) * 4);
        x = itr - a.begin();

        for(int j = x;a.at(j) == n;j ++){
            if(hantei.at(j) == false) continue;
            if(a.at(j) % a.at(i) == 0) hantei.at(j) = false;
        }


    }

    if(a.at(n-2) == a.at(n-1)) hantei.at(n-1) = false;

    int ans = 0;
    for(int i = 0;i < n;i ++){
        if(hantei.at(i) == true) ans ++;
    }

    cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:74:13: error: redeclaration of 'long long int x'
   74 |         int x = itr - a.begin();
      |             ^
a.cc:66:13: note: 'long long int x' previously declared here
   66 |         int x = itr - a.begin();
      |             ^
Language: C++


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

class Link{
public:
    u_int32_t data;
    Link* next;

    Link::Link(u_int32_t data) {
        this->data = data;
        this-> next = NULL;
    }
};

void Main() {
    // input
    u_int32_t N;
    cin >> N;;

    vector<u_int32_t> nums(N);
    for (u_int32_t i = 0; i < N; i++) {
        cin >> nums[i];
    }

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

    Link* ans = new Link(nums[0]);
    Link* next = ans->next;
    for (int i = 1; i < nums.size(); i++) {
        next = new Link(nums[i]);
        next = next -> next;
    }

    Link* pre_i = NULL;
    for (Link* it_i = ans; it_i != NULL;) {
        Link* pre_j = it_i;
        bool same_flag = true;
        for (Link* it_j = it_i + 1; it_j != NULL; ) {
            
            if (it_j->data % it_i->data == 0) {
                if (it_j->data == it_i->data) {
                    same_flag = true;
                }
                pre_j->next = it_j->next;
                it_j = it_j->next;
            } else {
                pre_j = it_j;
                it_j = it_j-> next;
            }
        }
        if (same_flag) {
            pre_i->next = it_i->next;
            it_i = it_i->next;
        } else {
            pre_i = it_i->next;
            it_i = it->next;
        }
    }

    u_int32_t ans_num = 0;
    for (Link* it = ans; it != NULL; it++) {
        ans_num++;
    }

    cout << ans_num << endl;


    // translate


    // output

}

int main() {
    std::cout << std::fixed << std::setprecision(15);
    Main();
    return 0;
}


Compiler output:
a.cc:12:5: error: extra qualification 'Link::' on member 'Link' [-fpermissive]
   12 |     Link::Link(u_int32_t data) {
      |     ^~~~
a.cc: In function 'void Main()':
a.cc:28:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   28 |     sort(nums.begin(), nums.end());
      |     ^~~~
      |     short
a.cc:59:20: error: 'it' was not declared in this scope; did you mean 'int'?
   59 |             it_i = it->next;
      |                    ^~
      |                    int
Language: C++

#include<iostream>
using namespace std;
int main()
{int n,cnt=0;
 cin>>n;
 int a[n];
 for(int i=0;i<n;i++)
   cin>>a[i];
 for(int j=1;j<=n;j++)
 {for(int i=1;i<=n;i++)
   if(i!j)
   {if(a[i]%j!=0)
     cnt++;}
 }cout<<cnt;}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: expected ')' before '!' token
   11 |    if(i!j)
      |      ~ ^
      |        )
Language: C++

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


bool torf(vector<int> A, temp, int N){
  for(int j = 0; j < N; j++){
    tempA = A.at(j);
    if(tempA == temp)
      continue;
    else if(tempA % temp == 0)
      return false;
  }
  
  return true;
  
}
    
  

int main() {
  int N;
  cin >> N;
  vector<int> A(N)
  queue<int> Q(N);
  for(i = 0; i < N; i++){
    cin >> A(i);
    Q.push(A(i));
  }
  
  int sample;
  
  for(i = 0; i < N; i++){
    temp = Q.front();
    if( torf(A, temp, N) )
      sample++
    }
  }
   
  cout << sample << endl;
  
}



Compiler output:
a.cc:6:26: error: 'temp' has not been declared
    6 | bool torf(vector<int> A, temp, int N){
      |                          ^~~~
a.cc: In function 'bool torf(std::vector<int>, int, int)':
a.cc:8:5: error: 'tempA' was not declared in this scope; did you mean 'tempnam'?
    8 |     tempA = A.at(j);
      |     ^~~~~
      |     tempnam
a.cc:9:17: error: 'temp' was not declared in this scope; did you mean 'tm'?
    9 |     if(tempA == temp)
      |                 ^~~~
      |                 tm
a.cc: In function 'int main()':
a.cc:25:3: error: expected ',' or ';' before 'queue'
   25 |   queue<int> Q(N);
      |   ^~~~~
a.cc:26:7: error: 'i' was not declared in this scope
   26 |   for(i = 0; i < N; i++){
      |       ^
a.cc:28:5: error: 'Q' was not declared in this scope
   28 |     Q.push(A(i));
      |     ^
a.cc:33:7: error: 'i' was not declared in this scope
   33 |   for(i = 0; i < N; i++){
      |       ^
a.cc:34:5: error: 'temp' was not declared in this scope; did you mean 'tm'?
   34 |     temp = Q.front();
      |     ^~~~
      |     tm
a.cc:34:12: error: 'Q' was not declared in this scope
   34 |     temp = Q.front();
      |            ^
a.cc:36:15: error: expected ';' before '}' token
   36 |       sample++
      |               ^
      |               ;
   37 |     }
      |     ~          
a.cc: At global scope:
a.cc:40:3: error: 'cout' does not name a type
   40 |   cout << sample << endl;
      |   ^~~~
a.cc:42:1: error: expected declaration before '}' token
   42 | }
      | ^
Language: C++

#include<iostream>
#include<cmath>
#include<map>
#include<set>
#include<stack>
#include<string>
#include<algorithm>
#include <vector>
#include<cstdio>
#include <numeric>
#include <queue>
#include <list>
#include <math.h>
#include <stdio.h>
#include <math.h>
#include <errno.h>
#include <fenv.h>
#include <iomanip>
#include <cassert>
#include <algorithm>
#include <functional>
#include <algorithm>
#include <iostream>
#include <string>
using namespace std;
long long mod=1000000007;
vector< int> divisor(int n) {
  vector< int > ret;
  for(int i = 1; i * i <= n; i++) {
    if(n % i == 0) {
      ret.push_back(i);
      if(i * i != n) ret.push_back(n / i);
    }
  }
  sort(begin(ret), end(ret));
  return (ret);
}
int main(){
  int N;cin>>N;
  vector<int>A(N);
  for(int i=0;i<N;i++){
    cin>>A[i];
  }
  int ans=N;
  A.push_back(0);
  sort(A.begin(),A.end());
  if(A[1]==1){
    ans=0;
    cout<<ans<<endl;
  }
  if(B.size()==1)cout<<0<<endl;
  else{
  else{
  
  vector<int>B;
  for(int i=N-1;i>0;i++){
    if(A[i]==A[i-1]){
      ans-=1;
    }
    else B.push_back(A[i]);
  }
  sort(B.begin(),B.end());
  
  for(int i=0;i<B.size()-1;i++){
    vector<int>ret=divisor(B[i]);
    for(int j=0;j<ret.size();j++){
    auto itr=lower_bound(B.begin(), B.end(), ret[j]);
    if(itr!=B.end()){
     // cout<<"hi"<<endl;
      if(*itr==ret[j]){
        //cout<<"ihhi"<<" "<<*itr<<endl;
        ans-=1;
        break;
      }
    }
    }
  }
  cout<<ans<<endl;
  }
  }

  
  





}

Compiler output:
a.cc: In function 'int main()':
a.cc:51:6: error: 'B' was not declared in this scope
   51 |   if(B.size()==1)cout<<0<<endl;
      |      ^
a.cc:53:3: error: 'else' without a previous 'if'
   53 |   else{
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int64_t N;
  cin>>N;
  vector<int64_t> result(N);
  for(int64_t i=0;i<N;i++){
    cin>>result.at(i);
  }
  sort(result.begin(),result.end());
  
  int64_t S=1;
  
  if((N>1)&&(result.at(0)==result.at(1))){
    S-=1;
  }
  for(int64_t i=1;i<N;i++){
    int a=0;
    for(int64_t j=0;j<i;j++){
      if(result.at(i)==result.at(i+1)){
        a=1;
        break:
      }
      if(result.at(i)%result.at(j)==0){
        a=1; 
        break;
      }
    }
    if(a==0){
      S+=1;
    }
  }
  cout<<S<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:14: error: expected ';' before ':' token
   22 |         break:
      |              ^
      |              ;
a.cc:22:14: error: expected primary-expression before ':' token
Language: C++

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

int main() {
    int n,count;
    cin >> n;
    count=0;
    vector<int> A(n);
    for(int i=0;i<n;i++){
        cin >> A.at(i);
    }
    sort (A.begin(),end())
    for(int i=0;i<n;i++){
        int t=1;
        for(int j=0;j<i;j++){
            if(A.at(i)%A.at(j)==0){
                t=0;
                break;
            }

        }
        if(t==1){
            count++;
        }
    }
    cout << count << endl; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:24: error: no matching function for call to 'end()'
   12 |     sort (A.begin(),end())
      |                     ~~~^~
In file included from /usr/include/c++/14/bits/algorithmfwd.h:39,
                 from /usr/include/c++/14/bits/stl_algo.h:59,
                 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/initializer_list:99:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(initializer_list<_Tp>)'
   99 |     end(initializer_list<_Tp> __ils) noexcept
      |     ^~~
/usr/include/c++/14/initializer_list:99:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/range_access.h:74:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
   74 |     end(_Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:74:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:85:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
   85 |     end(const _Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:85:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:106:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
  106 |     end(_Tp (&__arr)[_Nm]) noexcept
      |     ^~~
/usr/include/c++/14/bits/range_access.h:106:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/valarray:1249:5: note: candidate: 'template<class _Tp> _Tp* std::end(valarray<_Tp>&)'
 1249 |     end(valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1249:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/valarray:1265:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const valarray<_Tp>&)'
 1265 |     end(const valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1265:5: note:   candidate expects 1 argument, 0 provided
a.cc:13:17: error: 'i' was not declared in this scope
   13 |     for(int i=0;i<n;i++){
      |                 ^
Language: C++

#include<math.h>
using namespace std;
bool isPrime(int);
int main() {
	int n,c=0;
	cin >> n;
	vector<int> a(n);
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	vector<int> ad;
	ad = a;
	sort(ad.begin(), ad.end(), greater<int>());
	bool f = 0;
	for (int i = 0; i < n; i++) {
		if (isPrime(ad[i]) && !(ad[i] == ad[i + 1])) {
			c++;
			continue;
		}
		for (int j = i + 1; j < n; j++) {
			if (ad[i] % ad[j] == 0) {
				f = 1;
				break;
			}
		}
		if (!f)
			c++;
		f = 0;
	}
	cout << c;
}

bool isPrime(int number) {
	if (number < 2)
		return false;
	else if (number == 2)
		return true;
	else if (number % 2 == 0)
		return false;

	double rNumber = sqrt(number);
	for (int i = 3; i <= rNumber; i+=2) {
		if (number%i == 0)
			return false;
	}
	return true;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> n;
      |         ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<math.h>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:7:9: error: 'vector' was not declared in this scope
    7 |         vector<int> a(n);
      |         ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include<math.h>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:7:16: error: expected primary-expression before 'int'
    7 |         vector<int> a(n);
      |                ^~~
a.cc:9:24: error: 'a' was not declared in this scope
    9 |                 cin >> a[i];
      |                        ^
a.cc:11:16: error: expected primary-expression before 'int'
   11 |         vector<int> ad;
      |                ^~~
a.cc:12:9: error: 'ad' was not declared in this scope
   12 |         ad = a;
      |         ^~
a.cc:12:14: error: 'a' was not declared in this scope
   12 |         ad = a;
      |              ^
a.cc:13:36: error: 'greater' was not declared in this scope; did you mean 'isgreater'?
   13 |         sort(ad.begin(), ad.end(), greater<int>());
      |                                    ^~~~~~~
      |                                    isgreater
a.cc:13:44: error: expected primary-expression before 'int'
   13 |         sort(ad.begin(), ad.end(), greater<int>());
      |                                            ^~~
a.cc:13:9: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   13 |         sort(ad.begin(), ad.end(), greater<int>());
      |         ^~~~
      |         sqrt
a.cc:30:9: error: 'cout' was not declared in this scope
   30 |         cout << c;
      |         ^~~~
a.cc:30:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define lvector vector<ll>
#define cvector vector<char>
#define svector vector<string>
#define lque queue<ll>
#define lpque priority_queue<ll>
#define dlpque priority_queue<ll,lvector,greater<ll>>
#define P pair<ll,ll>
#define ALL(a) a.begin(),a.end()
#define RALL(a) a.rbegin(),a.rend()
#define rep(i,n) for(ll i=0; i<n; ++i)
#define print(a) cout << (a) << endl

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  ll n,lim,r;cin>>n;
  lvector A(n);rep(i,n) cin>>A[i];
  set<ll> ng;
  sort(ALL(A));
  if(n==1) {print(1);return 0;}
  if(n>1&&A[0]==1) {
    if(A[1]==1) print(0);
    else print(1);
    return 0;
  }
  for(ll pos=0;pos<n;++pos) {
    if(pos>0&&A[pos]==A[pos-1]) {ng.insert(pos);continue;}
    if(pos<n-1&&A[pos]==A[pos+1]) {ng.insert(pos);continue;}
    lim=2*A[pos];
    while(lim<=A[n-1]) {
      r=lower_bound(ALL(A),lim)-A.begin();
      if(r!=pos&&A[r]==lim) ng.insert(r);
      lim+=A[pos]; 
    }
  }
  ll ans=max(0ll,n-ng.size());
  print(ans);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:13: error: no matching function for call to 'max(long long int, long long unsigned int)'
   39 |   ll ans=max(0ll,n-ng.size());
      |          ~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:39:13: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long long unsigned int')
   39 |   ll ans=max(0ll,n-ng.size());
      |          ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:39:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   39 |   ll ans=max(0ll,n-ng.size());
      |          ~~~^~~~~~~~~~~~~~~~~
Language: Java

package Atcoder;
import java.util.Arrays;
import java.util.Scanner;;
public class  D{

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);

		int n=Integer.parseInt(sc.next());
		int a[]=new int[n];
		for(int i=0;i<n;i++)
			a[i]=Integer.parseInt(sc.next());
		Arrays.sort(a);
		int c=0;
		int x=a[n-1];
			for(int i=0;i<n-1&&a[i]<x/2;i++) {
				if(a[i]==0)
					continue;
				int f=0;

				for(int j=i+1;j<n;j++) {
					if(a[j]%a[i]==0) {
						if(a[i]==a[j])
							f=1;
						a[j]=0;

					}
				}

				if(f==1) {
					a[i]=0;
				}
		    }
			for(int i=0;i<n;i++) {
				if(a[i]!=0)
					c++;
			}
			System.out.println(c);



	}

}

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

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;
int main(){
    int n;
    cin>>n;
    vector<int> a(n);
    rep(i,n) cin>>a[i];
    sort(a.begin(),a.end());
    int ans=0;
    while(a.size()>1){
        int x=a.at(0);
        if(a[0]==a[1]{
            a.erase(a.begin());
            a.erase(a.begin());
        }
        else{
            ans++;
            a.erase(a.begin());
        }
        int i=0;
        while(i<a.size()){
            if(a[i]%x==0){
                a.erase(a.begin()+i);
            }
            else i++;
        }
    }
    if(a.size()>0) ans++;
    cout<<ans;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:22: error: expected ';' before '{' token
   13 |         if(a[0]==a[1]{
      |                      ^
      |                      ;
a.cc:17:9: error: expected primary-expression before 'else'
   17 |         else{
      |         ^~~~
a.cc:16:10: error: expected ')' before 'else'
   16 |         }
      |          ^
      |          )
   17 |         else{
      |         ~~~~
a.cc:13:11: note: to match this '('
   13 |         if(a[0]==a[1]{
      |           ^
a.cc:22:15: error: 'i' was not declared in this scope
   22 |         while(i<a.size()){
      |               ^
Language: C++

// C++ implementation of the approach 
#include <bits/stdc++.h> 
using namespace std; 

// Function to find special numbers 
void divisibilityCheck(int arr[], int n) 
{ 

	// Storing all array elements in a hash 
	// and finding maximum element in the array 
	unordered_set<int> s; 
	int max_ele = INT_MIN; 
	for (int i = 0; i < n; i++) { 
		s.insert(arr[i]); 

		// Update the maximum element of the array 
		max_ele = max(max_ele, arr[i]); 
	} 

	// Traversing the array elements and storing the array 
	// multiples that are present in s in res 
	unordered_set<int> res; 
	for (int i = 0; i < n; i++) { 

		// Check for non-zero values only 
		if (arr[i] != 0) { 

			// Checking the factors of current element 
			for (int j = arr[i] * 2; j <= max_ele; j += arr[i]) { 

				// If current factor is already part 
				// of the array then store it 
				if (s.find(j) != s.end()) 
					res.insert(j); 
			} 
		} 
	} 

	// For non-distinct elmments 
	// To store the frequency of elements 
	unordered_map<int, int> mp; 
	for (int i = 0; i < n; i++) 
		mp[arr[i]]++; 

	unordered_map<int, int>::iterator it; 
	vector<int> ans; 
	for (it = mp.begin(); it != mp.end(); it++) { 

		if (it->second >= 2) { 
			if (res.find(it->first) == res.end()) { 

				int val = it->second; 

				while (val--) 
					ans.push_back(it->first); 
			} 
		} 
		if (res.find(it->first) != res.end()) { 
			int val = it->second; 
			while (val--) 
				ans.push_back(it->first); 
		} 
	} 
	cout<<n-ans.size();
} 
int main() 
{ 
    int n; cin>>n; for(int i=0;i<n;i++)cin>>arr[i];
  
    divisibilityCheck(arr, n); 
  
    return 0; 
} 


Compiler output:
a.cc: In function 'int main()':
a.cc:68:45: error: 'arr' was not declared in this scope
   68 |     int n; cin>>n; for(int i=0;i<n;i++)cin>>arr[i];
      |                                             ^~~
a.cc:70:23: error: 'arr' was not declared in this scope
   70 |     divisibilityCheck(arr, n);
      |                       ^~~
Language: C++


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


int divisibilityCheck(int arr[], int n)
{


	unordered_set<int> s;
	int max_ele = INT_MIN;
	for (int i = 0; i < n; i++) {
		s.insert(arr[i]);

	
		max_ele = max(max_ele, arr[i]);
	}

	unordered_set<int> res;
	for (int i = 0; i < n; i++) {

	
		if (arr[i] != 0) {

			
			for (int j = arr[i] * 2; j <= max_ele; j += arr[i]) {

				
				if (s.find(j) != s.end())
					res.insert(j);
			}
		}
	}

	
	unordered_map<int, int> mp;
	for (int i = 0; i < n; i++)
		mp[arr[i]]++;

	unordered_map<int, int>::iterator it;
	vector<int> ans;
	for (it = mp.begin(); it != mp.end(); it++) {
		if (it->second >= 2) {
			if (res.find(it->first) == res.end()) {

				
				int val = it->second;

				
				while (val--)
					ans.push_back(it->first);
			}
		}

		
		if (res.find(it->first) != res.end()) {
			int val = it->second;

			// Then we push the element number of
			// times it is present in the vector
			while (val--)
				ans.push_back(it->first);
		}
	}
	return ans.size();
}

// Driver code
int main()
{
    ll t,n;
    ci>>n;
    ll arr[n];
    f(0,n) ci>>a[i];
	int ab=divisibilityCheck(arr, n);
   co<<n-ab;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:71:5: error: 'll' was not declared in this scope
   71 |     ll t,n;
      |     ^~
a.cc:72:5: error: 'ci' was not declared in this scope
   72 |     ci>>n;
      |     ^~
a.cc:72:9: error: 'n' was not declared in this scope; did you mean 'yn'?
   72 |     ci>>n;
      |         ^
      |         yn
a.cc:73:7: error: expected ';' before 'arr'
   73 |     ll arr[n];
      |       ^~~~
      |       ;
a.cc:74:5: error: 'f' was not declared in this scope
   74 |     f(0,n) ci>>a[i];
      |     ^
a.cc:75:34: error: 'arr' was not declared in this scope
   75 |         int ab=divisibilityCheck(arr, n);
      |                                  ^~~
a.cc:76:4: error: 'co' was not declared in this scope; did you mean 'cos'?
   76 |    co<<n-ab;
      |    ^~
      |    cos
Language: C++

#include <algorithm>
#include <cctype>
#include <cmath>
#include <cstdlib>
#include <iomanip>
#include <iostream>
#include <numeric>
#include <queue>
#include <set>
#include <string>
#include <unordered_map>
#include <vector>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
typedef pair<int, int> P;

#define REP(i, n) for (int i = 0, i##_len = (n); i < i##_len; ++i)
#define FOR(i, a, b) for (int i = (a), i##_len = (b); i <= i##_len; ++i)
#define REV(i, a, b) for (int i = (a); i >= (b); --i)
#define CLR(a, b) memset((a), (b), sizeof(a))
#define DUMP(x) cout << #x << " = " << (x) << endl;
#define INF 1001001001001001001ll
#define fcout cout << fixed << setprecision(12)

// vector<vector<int>> data(3, vector<int>(4));
bool IsPrime(int num) {
  if (num < 2)
    return false;
  else if (num == 2)
    return true;
  else if (num % 2 == 0)
    return false;  // 偶数はあらかじめ除く

  double sqrtNum = Math.Sqrt(num);
  for (int i = 3; i <= sqrtNum; i += 2) {
    if (num % i == 0) {
      // 素数ではない
      return false;
    }
  }

  // 素数である
  return true;
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);

  long long n;
  cin >> n;
  vector<long long> vec;
  vector<set<long long>> sett;
  set<long long> set_;

  int tmp;
  rep(i, n) {
    cin >> tmp;
    if (set_.count(tmp)) {
    } else {
      vec.push_back(tmp);
      set_.insert(tmp);
      // sett.push_back(enum_divisors(tmp));
    }
  }

  if (vec.size() == 1) {
    cout << "0";
    return 0;
  }

  sort(vec.begin(), vec.end(), greater<int>());

  cout << "" << endl;

  set<long long> set;

  long long ans = 0;
  for (long long i = 0; i < vec.size(); i++) {
    for (long long k = vec.size() - 1; k >= 0; k--) {
      cout << i << ":" << vec[i] << "  " << k << ":" << vec[k] << endl;
      if (IsPrime(vec[i])) {
        ans++;
        break;
      }
      if (i != k && vec[i] % vec[k] == 0) {
        ans++;
        break;
      }
    }
  }
  cout << vec.size() - ans;

  return 0;
}

Compiler output:
a.cc: In function 'bool IsPrime(int)':
a.cc:34:20: error: 'Math' was not declared in this scope
   34 |   double sqrtNum = Math.Sqrt(num);
      |                    ^~~~
Language: C++

#include<iostream>
using namespace std;
int main()
{int n,cnt=0;
 cin>>n;
 int a[n];
 for(int i=0;i<n;i++)
   cin>>a[i];
 for(int j=1;j<=n;j++)
 {for(int i=1;i<=n;i++)
   if(i!j)
   {if(a[i]%j!=0)
     cnt++;}
 }cout<<cnt;}
#include<iostream>
using namespace std;
int main()
{int n,cnt=0;
 cin>>n;
 int a[n];
 for(int i=0;i<n;i++)
   cin>>a[i];
 for(int j=1;j<=n;j++)
 {for(int i=1;i<=n;i++)
   if(i!=j)
   {if(a[i]%j!=0)
     cnt++;}
 }cout<<cnt;}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: expected ')' before '!' token
   11 |    if(i!j)
      |      ~ ^
      |        )
a.cc: At global scope:
a.cc:17:5: error: redefinition of 'int main()'
   17 | int main()
      |     ^~~~
a.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
Language: C++

#include <iostream>
#include <vector>
using namespace std;
#define SIZE_OF_ARRAY(array) (sizeof(array)/sizeof(array[0]))

int main(void) {
    int N;
    cin >> N;
    int A[N];
    for (int i = 0; i < N; ++i) {
        cin >> A[i];
    }
    sort(A, A + SIZE_OF_ARRAY(A));
    vector<int> B;
    B.reserve(N);
    int c = 0;
    int p;
    bool Z;
    for (int i = 0; i < N; ++i) {
        if (i < N - 1) {
            p = A[i + 1];
            if (A[i] == A[i + 1]) {
                B.push_back(A[i]);
                continue;
            }
        }
        Z = true;
        for (int j : B) {
            if (A[i] % B[j] == 0) {
                Z = false;
                break;
            }
        }
        if (Z) {
            c += 1;
            if (A[i] <= 1000) {
                B.push_back(A[i]);
            }
        }
    }

    cout << c << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |     sort(A, A + SIZE_OF_ARRAY(A));
      |     ^~~~
      |     short
Language: C

#include <stdio.h>

int main(void)
{
	int N
  	int data[N];
  	int i = 0;
	int j = 0;
  	int count;
  count = N + 1;
	scanf("%d",&N);	/* 入力部分 */
   for(i = 0;i < N;i++){
	scanf("%d",&data[i]);
  	}

  	for(i = 0;i < N;i++){
		for(j = 0;i < N;j++){
        if(data[i] % data[j] == 0) count--;
        }
	
	}
  printf("%d",&count);
  
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:14: error: expected ';' before 'int'
    5 |         int N
      |              ^
      |              ;
    6 |         int data[N];
      |         ~~~   
main.c:6:18: error: 'N' undeclared (first use in this function)
    6 |         int data[N];
      |                  ^
main.c:6:18: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define fastIO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define int long long int
#define pb push_back
#define ff first
#define ss second
#define all(v) (v).begin(), (v).end()
#define mod (int)(998244353)
#define PI 3.14159265358979323846264338327950L
#define debug(vec) cout<<(#vec)<<": "; for (auto& i: vec) cout<<i<<" "; cout<<endl
#define trace(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args);cout << endl; }
void err(istream_iterator<string> it) {}
template<typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
    cerr << "[ " << *it << " = " << a << " ] ";
    err(++it, args...);
}
const int N = 1e6 + 5;
vector<int> spf(N, -1);
void sieve() {
	spf[1] = 1;
	for (int i = 2; i < N; i++) {
		if (spf[i] == -1) {
			spf[i] = i;
			for (int j = 2*i; j < N; j += i) {
				if (spf[j] == -1)
					spf[j] = i;
			}
		}
	}
}
pair<int,set<pair<int, int>>>  solve(int val, set<pair<int, int>> cme) {
	int cnt = 0, pre = spf[val];
	bool found = 0;
	while (val > 1) {
		if (pre != spf[val]) {
			trace(pre, cnt);
			auto it = cme.find({pre, 0});
			if (it != cme.end() && (*it).ss <= ) {
				found = 1;
			}
			cme.insert({pre, cnt});
			cnt = 0;
			pre = spf[val];
		}
		val /= spf[val];
		cnt++;
	}
	trace(pre, cnt);
	cme.insert({pre, cnt});
	trace(found);
	return {!found, cme};
}
signed main(){

    fastIO

    int t = 1;
    // cin >> t;
    while (t--){
   		int n;
   		cin >> n;
   		sieve();
   		vector<int> a(n);
   		set<int> s;
   		int mx = 0;
   		for (int i = 0; i < n; i++) {
   			cin >> a[i]; 
   			mx = max(a[i], mx);
   			s.insert(a[i]);
   			if (a[i] == 1) {
   				cout << 0 << endl;
   				exit(0);
   			}
   		}
   		int ans;
   		if (s.size() == n) ans = n;
   		else ans = s.size() - 1;
   		if (ans == 0) {
   			cout << 0 << endl;
   			exit(0);
   		}
   		set<int> in;
   		for (int val : s) {
   			for (int i = 2*val; i <= mx; i += val) {
   				if (in.find(i) == in.end()){
	   				if (s.find(i) != s.end()) {
	   					ans--;
	   					in.insert(i);
	   				}
	   			}
   			}
   		}
   		cout << ans << endl;
    }
    
    return 0;
}

Compiler output:
a.cc: In function 'std::pair<long long int, std::set<std::pair<long long int, long long int> > > solve(long long int, std::set<std::pair<long long int, long long int> >)':
a.cc:41:60: error: expected primary-expression before ')' token
   41 |                         if (it != cme.end() && (*it).ss <= ) {
      |                                                            ^
Language: C++

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

int main(){
  ll N;
  cin>>N;
  ll a[N];
  for(int i=0;i<N;++i) cin>>a[i];
  sort(a, a+N);
  int count=0;
  for(int i=N-1;0<=i;--i) {
    bool flag=True;
    for(int j=0;j<i;++j) {
      if(a[i]%a[j]!=0) flag=False;
    }
    if(flag) ++count;
  }
  cout<<count;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:15: error: 'True' was not declared in this scope
   13 |     bool flag=True;
      |               ^~~~
a.cc:15:29: error: 'False' was not declared in this scope
   15 |       if(a[i]%a[j]!=0) flag=False;
      |                             ^~~~~
Language: C

#include <stdio.h>

int main(){
  int n;
  scanf("%d",n);

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

  int j;
  for(i=1;i<=n;i++){
    j=1;
    while(j<i){
      if(a[i]%a[j]==0){
        flag=1;
        break;
      }
      j++;
    }
    while(i<j && j<=n){
      if(a[i]%a[j]==0){
        flag=1;
      }
      j++;
    }
    if(flag==0){
      s++;
    }
  }

  printf("%d",s);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:17:9: error: 'flag' undeclared (first use in this function)
   17 |         flag=1;
      |         ^~~~
main.c:17:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:29:7: error: 's' undeclared (first use in this function)
   29 |       s++;
      |       ^