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

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define mp make_pair
#define pb push_back
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)


int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int N;
  cin >> N;
  int a[N];
  int b[N];
  rep(i,N){
    cin >> a[i];
    b[i]=0;
  }
  vector<int>ans;
  for(int i=N-1; i>=0;i--){
    int tmp=i+1;
    int j=2;
    //    cout << "b[i]s i = " <<i << endl;
    b[i]=a[tmp-1];
    tmp*=((double)j)/((double)j-1);
    j++;
    while(tmp<=N){      
      b[i]^=a[tmp-1];            
      tmp*=((double)j)/((double)j-1);
      j++;
    }
    if([b[i]==1) ans.pb(i+1);
  }/*  for(int i=0; i<N; i++){
    int tmp=i+1;
    int j=2;
    b[i]=a[tmp-1];
    tmp*=((double)j)/((double)j-1);
    j++;
    while(tmp<=N){
      a[tmp-1]^=b[i];
      tmp*=((double)j)/((double)j-1);
      j++;
    }
    }*/
    /*  vector<int > ans;
  rep(i,N){
    //    cout << b[i] << endl;
    if(b[i]==1) ans.pb(i+1);
    }*/
  cout << ans.size() << endl;
  if(ans.size()>0){
    rep(i,ans.size()){
      cout << ans[i] << endl;      
    }
  }
  return 0;
    

}


Compiler output:
a.cc: In function 'int main()':
a.cc:34:9: error: array of runtime bound cannot be captured by copy, only by reference
   34 |     if([b[i]==1) ans.pb(i+1);
      |         ^
a.cc:34:10: error: expected ',' before '[' token
   34 |     if([b[i]==1) ans.pb(i+1);
      |          ^
      |          ,
a.cc:34:10: error: expected identifier before '[' token
a.cc:34:17: error: expected ']' before 'ans'
   34 |     if([b[i]==1) ans.pb(i+1);
      |                 ^~~~
      |                 ]
a.cc: In lambda function:
a.cc:34:18: error: expected '{' before 'ans'
   34 |     if([b[i]==1) ans.pb(i+1);
      |                  ^~~
a.cc: In function 'int main()':
a.cc:34:17: error: expected ')' before 'ans'
   34 |     if([b[i]==1) ans.pb(i+1);
      |       ~         ^~~~
      |                 )
a.cc:34:8: error: could not convert '<lambda closure object>main()::<lambda()>{main()::<unnamed struct>{(& b[0]), ((sizetype)(((ssizetype)N) - 1))}}' from 'main()::<lambda()>' to 'bool'
   34 |     if([b[i]==1) ans.pb(i+1);
      |        ^~~~~~~~~
      |        |
      |        main()::<lambda()>
Language: C++

#include <iostream>
using namespace std;

int main(){
	int n;
	cin >> n;
	int b[n];
	for(int i = 0; i < n; i++){
		b[i] = 0;
	}
	int a[n];
	for(int i = 0; i < n; i++){
		cin >> a[i];
		if(i >= n/2){
			b[i] = a[i];
		}
	}
	int rn = n/2+1;
	for(int i = n/2; i >= 1; i--){
		for(int j = 2; i*j <= n){
			if(i*j >= rn){
				a[i] = (a[i]+a[i*j])%2;
			}
		}
		rn--;
		b[i] = a[i];
	}
	int m = 0;
	for(int i = 0; i < n; i++){
		m += b[i];
	}
	if(m == 0){
		cout << m << endl;
	}else{
		cout << m << endl;
		for(int i = 0; i < n; i++){
			cout << b[i];
			if(i != n){
				cout << " ";
			}else{
				cout << endl;
			}
		}
	}

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:40: error: expected ';' before ')' token
   20 |                 for(int j = 2; i*j <= n){
      |                                        ^
      |                                        ;
Language: C++

#include <cstdio>
#include <iostream>
#include <vector>
#include <sstream>
#include <string>
#include <iterator>
#include <bits/stdc++.h>

using namespace std;

int main()
{
    int N;
    cin >> N >> ws;
    string line;
    getline(cin, line);
    stringstream ss(line);
    int ti;
    vector<int> a;
    a.push_back(-1);
    while(ss >> ti)
        a.push_back(ti);
    vector<int> res(N+1, 0);
    if (a[N] == 1)
        res[N] = 1;
    for (int k = N; k >= 2; k--) {
        if (a[k-1] != a[k]) {
            res[k-1] = res[k] + 1;
        } else {
            res[k-1] = res[k];
        }
    }
    for (int i = 1; i <= N; i++) {
        if (res[i]%2 != a[i]) {
            cout << -1 << endl;
            return 0;
        }
    }
    cout << res[1] << endl;
    for (int k = N; k >= 2; k--) {
        if (a[k-1] != a[k]) {
            cout << i << " ";
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:21: error: 'i' was not declared in this scope
   42 |             cout << i << " ";
      |                     ^
Language: C++

#include<bits/stdc++.h>
#define me(a,x) memset(a,x,sizeof(a))
#define sc scanf
#define itn int
using namespace std;
const int N=1e6;
const long long mod=1e9+7;
const int oo=0x7fffffff;
const int sup=0x80000000;
typedef long long ll;
typedef unsigned long long ull;
template <typename it>void db(it *begin,it *end){while(begin!=end)cout<<(*begin++)<<" ";puts("");}
template <typename it>
string to_str(it n){string s="";while(n)s+=n%10+'0',n/=10;reverse(s.begin(),s.end());return s;}
template <typename it>int o(it a){cout<<a<<endl;return 0;}
ll mul(ll a,ll b,ll c){ll ans=0;for(;b;b>>=1,a=(a+a)%c)if(b&1)ans=(ans+a)%c;return ans;}
ll ksm(ll a,ll b,ll c){ll ans=1;for(;b;b>>=1,a=mul(a,a,c))if(b&1)ans=mul(ans,a,c);return ans;}
itn n;
int a[N];int main(){
	//freopen("in.txt","r",stdin); 
	cin>>n;
	for(int i=1;i<=n;i++)cin>>a[i];
	if(a[1]){
		int x=0;
		for(int i=n;i>=1;i--)if(a[i]){x=i;break;}
		for(itn i=1;i<=n;i++)if(a[i]&&x%i)return o(-1)； 
		o(1);
		o(x);
	}else{
		for(int i=1;i<=n;i++)if(a[i])return o(-1);
			o(0);
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:63: error: expected ';' before '\U0000ff1b'
   26 |                 for(itn i=1;i<=n;i++)if(a[i]&&x%i)return o(-1)；
      |                                                               ^~
      |                                                               ;
a.cc:26:63: error: '\U0000ff1b' was not declared in this scope
   26 |                 for(itn i=1;i<=n;i++)if(a[i]&&x%i)return o(-1)；
      |                                                               ^~
Language: C++

#include <stdio.h>
int main()
{
  int N,i,a[],b,
  scanf("%d",&N);
  for(i=0;i<N;i++)
  {
    scanf("%d",&a[i]);
  }
  printf("0");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:11: error: storage size of 'a' isn't known
    4 |   int N,i,a[],b,
      |           ^
a.cc:5:16: error: expression list treated as compound expression in initializer [-fpermissive]
    5 |   scanf("%d",&N);
      |                ^
a.cc:5:16: error: invalid conversion from 'int*' to 'int' [-fpermissive]
    5 |   scanf("%d",&N);
      |                ^
      |                |
      |                int*
a.cc:8:21: error: 'scanf' cannot be used as a function
    8 |     scanf("%d",&a[i]);
      |                     ^
Language: C++

    #include <iostream>
    using namespace std;
    int main(void){
        // Your code here!
        int counter; // 要素の数（1オリジン）
        std::cin >> counter;
        int* a = new int[counter];
        int* b = new int[counter];
     
        for (int i = 0; i < counter; i++) {
            std::cin >> a[i];
          	0 >> b[i];
        }
        
        int tmp;
        for (int i = counter-1; i > 0; i--) {
            tmp = counter / i + 1;
            // *1のメンバーたち
            if (2*(i+1)>counter){
                b[i] = a[i];
            }else if(tmp*(i+1)>counter){
                b[i] = a[i] ^ b[2*i];
            }
        }
        
        b[0] = a[0] ^ b[1];
        
        bool iszero = true;
        for (int i = 0; i < counter; i++) {
            if (b[i]==1){
                iszero = false;
                cout<<i+1;
            }
        }
        if(iszero){
            cout << 0;
        }
        cout << endl;
        delete[] a;
        delete[] b;
    }

#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    int counter; // 要素の数（1オリジン）
    std::cin >> counter;
    int* a = new int[counter];
    int* b = new int[counter];

    for (int i = 0; i < counter; i++) {
        std::cin >> a[i];
      	o >> b[i];
    }
    
    int tmp;
    for (int i = counter-1; i > 0; i--) {
        tmp = counter / i + 1;
        // *1のメンバーたち
        if (2*(i+1)>counter){
            b[i] = a[i];
        }else if(tmp*(i+1)>counter){
            b[i] = a[i] ^ b[2*i];
        }
    }
    
    b[0] = a[0] ^ b[1];
    
    bool iszero = true;
    for (int i = 0; i < counter; i++) {
        if (b[i]==1){
            iszero = false;
            cout<<i+1;
        }
    }
    if(iszero){
        cout << 0;
    }
    cout << endl;
    delete[] a;
    delete[] b;
}

Compiler output:
a.cc:45:5: error: redefinition of 'int main()'
   45 | int main(void){
      |     ^~~~
a.cc:3:9: note: 'int main()' previously defined here
    3 |     int main(void){
      |         ^~~~
a.cc: In function 'int main()':
a.cc:54:9: error: 'o' was not declared in this scope
   54 |         o >> b[i];
      |         ^
Language: C++

#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    int counter; // 要素の数（1オリジン）
    std::cin >> counter;
    int* a = new int[counter];
    int* b = new int[counter];

    for (int i = 0; i < counter; i++) {
        std::cin >> a[i];
      	o >> b[i];
    }
    
    int tmp;
    for (int i = counter-1; i > 0; i--) {
        tmp = counter / i + 1;
        // *1のメンバーたち
        if (2*(i+1)>counter){
            b[i] = a[i];
        }else if(tmp*(i+1)>counter){
            b[i] = a[i] ^ b[2*i];
        }
    }
    
    b[0] = a[0] ^ b[1];
    
    bool iszero = true;
    for (int i = 0; i < counter; i++) {
        if (b[i]==1){
            iszero = false;
            cout<<i+1;
        }
    }
    if(iszero){
        cout << 0;
    }
    cout << endl;
    delete[] a;
    delete[] b;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'o' was not declared in this scope
   12 |         o >> b[i];
      |         ^
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
int main()
{
    int n,a[10005],b[10005],cnt=0,x,y;
    scanf("%d",&n);
    for(int i=0;i<n;i++)
        scanf("%d",&a[i]);
    int ai=0,z=0;
    x=a[i]%2;
    y=(a[i]+1)%2;
    for(i=1;i<n;i++)
    {
        if(a[i]%2==x)
        {
            x=a[i]%2;
            y=(a[i]+1)%2;
        }
        else
        if(a[i]%2==y)
            {cnt++;b[z]=i;z++;}
        else
            if((a[i]+1)%2==x)
                 {cnt++;b[z]=i;z++;}
            else
                if((a[i]+1)%2==y)
                    {cnt++;b[z]=i;z++;}
                else
                    if(a[i]%2!=x||a[i]%2!=y||(a[i]+1)%2!=x||(a[i]+1)%2!=y)
                    {
                        printf("-1\n");
                        break;
                    }
        x=a[i]%2;
        y=(a[i]+1)%2;
    }
    printf("%d\n",cnt);
    for(int i=0;i<z;i++)
        printf("%d\n",b[i]);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'i' was not declared in this scope
   12 |     x=a[i]%2;
      |         ^
Language: C++

#include <iostream>

using namespace std;


int N, i,j, sum = 0;
int s[2000010];
int main(void){
  cin >> N;
  for (int i = 0; i < N; ++i) cin >> s[i];
  

    for (i = 0; i < N; ++i){
      for (j = 0; i * j <= N; ++j){
        sum += s[i * j];
      }
      if(sum % 2 == s[i * j]){
        cout << sum << i * j; ;
        break;
    }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:2: error: expected '}' at end of input
   22 | }
      |  ^
a.cc:8:15: note: to match this '{'
    8 | int main(void){
      |               ^
Language: C++

#incluede<bits/stdc++.h>
using namespace std;
int main()
{
  int a,b,c;
  cin>>a>>b>>c;
  if(a>c)
    cout<<a;
  if(a<c)
    cout<<c;
  if(a>b)
    cout<<a;
  if(a<b)
    cout<<b;
  return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #incluede; did you mean #include?
    1 | #incluede<bits/stdc++.h>
      |  ^~~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>a>>b>>c;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #incluede<bits/stdc++.h>
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<a;
      |     ^~~~
a.cc:8:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<c;
      |     ^~~~
a.cc:10:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout<<a;
      |     ^~~~
a.cc:12:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<b;
      |     ^~~~
a.cc:14:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <iostream>

using namespace std;


int N i,j, sum = 0;
int s[2000010];
int main(void){
  cin >> N;
  for (int i = 0; i < N; ++i) cin >> s[i];
  
  while(true){
    bool ext = false;
    for (i = 0; i < N; ++i){
      for (j = 0; i * j <= N; ++j){
        sum += s[i * j];      
      }
     if(sum % 2 == s[i * j]) break;
     else cout << -1 << endl;
    }
  }
  cout << sum << i * j;
}

Compiler output:
a.cc:6:7: error: expected initializer before 'i'
    6 | int N i,j, sum = 0;
      |       ^
a.cc: In function 'int main()':
a.cc:9:10: error: 'N' was not declared in this scope
    9 |   cin >> N;
      |          ^
a.cc:14:10: error: 'i' was not declared in this scope
   14 |     for (i = 0; i < N; ++i){
      |          ^
a.cc:15:12: error: 'j' was not declared in this scope
   15 |       for (j = 0; i * j <= N; ++j){
      |            ^
a.cc:16:9: error: 'sum' was not declared in this scope
   16 |         sum += s[i * j];
      |         ^~~
a.cc:18:9: error: 'sum' was not declared in this scope
   18 |      if(sum % 2 == s[i * j]) break;
      |         ^~~
a.cc:18:26: error: 'j' was not declared in this scope
   18 |      if(sum % 2 == s[i * j]) break;
      |                          ^
a.cc:22:11: error: 'sum' was not declared in this scope
   22 |   cout << sum << i * j;
      |           ^~~
a.cc:22:18: error: 'i' was not declared in this scope
   22 |   cout << sum << i * j;
      |                  ^
a.cc:22:22: error: 'j' was not declared in this scope
   22 |   cout << sum << i * j;
      |                      ^
Language: C++

#include <iostream>

using namespace std;


int N , sum = 0;
int s[2000010]
int main(void){
  cin >> N;
  for (int i = 0; i < N; ++i) cin >> s[i];
  
  while(true){
    bool ext = false;
    for (int i = 0; i < N; ++i){
      for (int j = 0; i * j <= N; ++j){
        sum += s[i * j];      
      }
     if(sum % 2 == s[i * j]) break;
     else cout << -1 << endl;
    }
  }
  cout << sum << i * j;
}

Compiler output:
a.cc:8:1: error: expected initializer before 'int'
    8 | int main(void){
      | ^~~
Language: C++

#include <iostream>

using namespace std;


int N sum = 0;
int s[2000010]
int main(void){
  cin >> N;
  for (int i = 0; i < N; ++i) cin >> s[i];
  
  while(true){
    bool ext = false;
    for (int i = 0; i < N; ++i){
      for (int j = 0; i * j <== N; ++j){
        sum += s[i * j];      
      }
     if(sum % 2 == s[i * j]) break;
     else cout << -1 << endl;
    }
  }
  cout << sum << i * j;
}

Compiler output:
a.cc:6:7: error: expected initializer before 'sum'
    6 | int N sum = 0;
      |       ^~~
a.cc:8:1: error: expected initializer before 'int'
    8 | int main(void){
      | ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int a[200005];
vector<int> b;
int main()
{
  int n,m=0;
  cin>>n;
  for(int i=1;i<=n;i++)
  {
    cin>>a[i];
    if (a[i])
    {
      m++;
      b.push_back(i);
    }
  }
  cout<<m<<endl;
  for(int i=0;i<b.size();i++)
    cout<<b[i]<<" ";
  return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:21:12: error: expected '}' at end of input
   21 |   return 0;
      |            ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C

#include<stdio.h>

int main(){

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

    long count=0;
    for(int i=0;i<n;i++){
        if(a[i]>0) count++;
    }
    if(count==0){
        printf("%d\n",0);
        return 0;
    }
    
    long count;
    for(int i=0;i<n;i++){
        count=0;
        for(int j=i;j<n;j+=(i+1)){
            count+=a[j];
        }
        if(count%2!=a[i]){
            printf("%d\n",-1);
            return 0;
        }
    }
    
    count=0;
    int b[n];
    for(int i=0;i<n;i++){
        if(a[i]>0){
            count++;
            b[count-1]=i+1;
        }
    }

    printf("%ld\n",count);

    for(int i=0;i<count;i++){
        printf("%d ",b[i]);
    }
    printf("\n");

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:21:10: error: redeclaration of 'count' with no linkage
   21 |     long count;
      |          ^~~~~
main.c:12:10: note: previous definition of 'count' with type 'long int'
   12 |     long count=0;
      |          ^~~~~
Language: C++

#include<iostream>
using namespace std;

int main()
{
    long int N, output_count;
    int input[200000];
    int output[200000];
    int surplus[200000] = {};
    int ball;
    cin >> N;
    for(long int i=0; i<N; i++){
        cin >> input[i];
        if(intput )
    }
    output_count = 0;
    for(long int i=N-1; i>=0; i--){
        ball = (input[i]+surplus[i])%2;
        if(ball == 1){
            output[output_count] = i+1;
            output_count++;
            for(long int j=0; j<i; j++){
                if((i+1)%(j+1) == 0){
                    surplus[j] = !surplus[j];
                }
            }
        }
    }
    cout << output_count << endl;
    for(long int i=0; i<output_count; i++){
        cout << output[i];
        if(i < output_count-1){
            cout << " ";
        }else{
            cout << endl;
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: 'intput' was not declared in this scope; did you mean 'input'?
   14 |         if(intput )
      |            ^~~~~~
      |            input
a.cc:15:5: error: expected primary-expression before '}' token
   15 |     }
      |     ^
Language: C++

#include<bits/stdc++.h>
#include <queue>
#include <stack>
using namespace std;
 
typedef pair<long long int,long long int>pa;
#define resize(A) A.resize(unique(A.begin(), A.end()) - A.begin())
#define pb push_back
 
# define  MAX 200005
long long int MOD=998244353;
long long int INF=1e18;
 
int main()
{
    
       ios_base::sync_with_stdio(false); 
       cin.tie(NULL);
     cout.tie(NULL);
      long long int i,j,k=0,l=0,r=0,m=0,n,p=0,cnt=0,cnt1=0,x,y,z=0,a,b,low,mid,high,ans=0,maxi=0,mini=INF,t;
    cin>>n;
    vector<long long int>V;
    long long int A[n+1];
    long long int C[n+1];
    for(i=1;i<=n;i++)
    {
        cin>>A[i];
        C[i]=A[i];
        A[i]=A[i]%2;
    }
    long long int B[n+1];
    for(i=0;i<n;i++)
    {
        vis[i+1]=0;
        B[i+1]=0;
        
    }
    for(i=n;i>=1;i--)
    {
      
        if(B[i]!=A[i])
        {
          for(j=1;j<=sqrt(i);j++)
         {
              if(j%i==0)
              {
               if(i!=j*j)
                {
                  B[i/j]+=1;
                   B[i/j]%=2;
                 }
                  B[j]+=1;
                  B[j]%=2;
              }
        }
            
        }
        
    }
    for(i=1;i<=n;i++)
    {
        if(B[i]==1)
            V.push_back(C[i]);
    }
    cout<<V.size()<<endl;
    for(i=0;i<V.size();i++)
        cout<<V[i]<<" ";
   
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:9: error: 'vis' was not declared in this scope
   34 |         vis[i+1]=0;
      |         ^~~
Language: C++

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

#define ll long long
#define fw(p) for(int w=0;w<(p);w++)
#define fx(p) for(int x=0;x<(p);x++)
#define fy(p) for(int y=0;y<(p);y++)
#define fz(p) for(int z=0;z<(p);z++)
#define fyg(p,g) for(int y=(g);y<(p);y++)
#define fzg(p,g) for(int z=(g);z<(p);z++)
#define ce(d) cout<<d<<endl;
#define vecp(p) int aa;cin>>aa;(p).push_back(aa);
#define vecpl(p) long long aa;cin>>aa;(p).push_back(aa);
#define vecps(p) string aa;cin>>aa;(p).push_back(aa);
#define vecp2(p) cin>>aa;(p).push_back(aa);
#define vecpl2(p) long long a	b;cin>>ab;(p).push_back(ab);
#define vecps2(p) string ab;cin>>ab;(p).push_back(ab);
#define set0(k,n) for(int nn=0;nn<(n);nn++){ (k).push_back(0); }
#define sorts(c) sort((c).begin(),(c).end());
#define reverses(c) reverse((c).begin(),(c).end());
#define vec(b) vector<int> (b);
#define vecl(b) vector<long long> (b);
#define vecs(b) vector<string> (b);
#define vecsize(b,size) vector<int> (b)((size));
#define pb(b,a) (b).push_back((a));
#define doublece(a,b) cout<<(a)<<' '<<(b)<<endl;
#define pairs(s) vector<pair<int,int>> (s);
#define pairsl(s) vector<pair<ll,ll>> (s);
#define pairss(s) vector<pair<string,string>> (s);
#define pairsp(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairspl(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairsps(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairsREV(s) (s).push_back(make_pair(bb,aa));
#define pairslREV(s) (s).push_back(make_pair(bb,aa));
#define pairssREV(s) (s).push_back(make_pair(bb,aa));
#define MOD 1000000007

int main()
{

	int N;
	cin >> N;
	vec(A)
		pb(A,0)
	fx(N) {
		vecp(A)
	}

	int M = 0;
	for (int x = N / 2 + 1; x <= N;x++) {
		if (A.at(x)==1) {
			ANS[x] = 1;
			M++;
		}
	}

	for (int x = N / 2; x > 0;x--) {
		int i = 2;
		int sum = 0;
		while (x*i<=N) {
			sum += ANS[x*i];
			i++;
		}
		ANS[x] = sum % 2;
		if (ANS[x]!=A.at(x)) {
			ANS[x] = 1;
		}
		M += ANS[x];
	}

	if (ANS[1]==A.at(1)) {
		ce(M)
		fx(N) {
			if (ANS[x + 1]==1) {
				cout << x+1<<' ';
			}
		}
	}
	else {
		fx(N) {
				cout << ANS[x+1];

		}
		ce(-1)
	}

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:52:25: error: 'ANS' was not declared in this scope
   52 |                         ANS[x] = 1;
      |                         ^~~
a.cc:61:32: error: 'ANS' was not declared in this scope
   61 |                         sum += ANS[x*i];
      |                                ^~~
a.cc:64:17: error: 'ANS' was not declared in this scope
   64 |                 ANS[x] = sum % 2;
      |                 ^~~
a.cc:71:13: error: 'ANS' was not declared in this scope
   71 |         if (ANS[1]==A.at(1)) {
      |             ^~~
Language: C++

#include<iostream>
using namespace std;


int main(){
  int n;
  cin >> n;
  int a[n+1],b[n+1];
  for(int i=1;i<n+1;i++){
    cin >> a[i];
    
    b[i] = 0;
  }
  int sum=0;
  for(int i=n;i>0;i--){
    int s=0;
    for(int j=2;j*i<n+1;j++){
      s += b[i*j];
    }
    int k = s%2;
    //out << "&&" << k << " " << a[i]<< endl;
    if(s%2 == a[i]){
      //cout << i << endl;
      continue;
    }
    else{
      //cout << i << i<<endl;
      b[i] = 1;
      sum += 1;
    }
  }
  cout << sum << endl;
  for(int i=1;i<n+1;i++){
    if(b[i]==1) cout << i << " ";
  } 
  cout << endl;
  return 0;



Compiler output:
a.cc: In function 'int main()':
a.cc:37:12: error: expected '}' at end of input
   37 |   return 0;
      |            ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#pragma once

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ull = unsigned long long;

#ifndef __MACRO_H__
#define __MACRO_H__

#define all(collection)  (collection).begin(), (collection).end()		// begin to end
#define rep(i, begin, end) for (ll i = begin; i < end; i++)				// repeat
#define repr(i, begin, end) for (ll i = begin; end < i; i--)			// repeat reverse

#endif


class ABC134D
{
public:
	ABC134D()
	{
		cin >> n;
		a.resize(n+1);
		rep(i, 1, n+1)
			cin >> a[i];
	}
	void Run(void)
	{
		vector<ll> ans(n+1);
		rep(i, 1, n+1)
		{
			if (n < i * 2)
				ans[i] = a[i];
			else
				ans[i] = (a[2 * i] == a[i]) ? 0 : 1;
		}

		cout << count(all(ans), 1) << endl;
		rep(i, 1, n + 1)
		{
			if (ans[i] == 1)
				cout << i << " ";
		}
	}
private:
	ll n;
	vector<ll> a;
};


Compiler output:
a.cc:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
/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;
typedef long long ll;

int main() {
  int n; cin >> n;
  vector<int> a(n); rep(i, n) cin >> a[i];
  rep(i, n) {
    int temp = 0;
    i1 = i + 1;
    if (i1 * 2 <= n) {
      for (int j = i1 * 2; j <= n; j += i1) {
        temp ^= a[j - 1];
      }
      if (temp != 0) {
        cout << -1 << endl;
        return 0;
      }
    }
  }
  rep (i, n) {
    if (i == n - 1) {
      cout << a[i] << endl;
    } else {
      cout << a[i] << " ";
    }
  }

  return 0;
//  int ans = n - (int)(n - (float)n / (2 * d + 1)); // 切り上げ
//  cout << ans << endl;

//  vector<int> a(n);
//  rep(i,n) cin >> a[i];
//  ll x2 = 0;
//  rep(i,n) {
//    if (i%2) x2 -= a[i];
//    else x2 += a[i];
//  }
//  vector<int> ans(n);
//  ans[0] = x2/2;
//  rep(i,n-1) {
//    ans[i+1] = a[i]-ans[i];
//  }
//  rep(i,n) ans[i] *= 2;
//  rep(i,n) printf("%d%c", ans[i], i==n-1?'\n':' ');
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'i1' was not declared in this scope; did you mean 'i'?
   11 |     i1 = i + 1;
      |     ^~
      |     i
Language: C++

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

ll modpow(ll a, ll b){
    ll x=1, y=a; 
    while (b > 0) {
        if (b%2 == 1) {
            x = (x*y) ; // multiplying with base
        }
        y = (y*y) ; // squaring the base
        b /= 2;
    }
    return x;
}
 
 
int main(){
 
	
	
	int n ; cin>>n;

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

	if(q[0]==0){
		cout<<0;
	}
	else{

		
		for(int i = n-1 ; i>=0 ; i--){
			
			if(q[i]==1){
				chk=i+1;
				
				break;
			}
		}
		vector<int>fac;
		
		for(int i = 1 ; i<=sqrt(chk) ; i++){
			if(n%i==0){
				if(chk/i==i){
					fac.push_back(i);
				}
				else{
					fac.push_back(i);
					fac.push_back(chk/i);
				}
			}
		}
		bool b = true;
		for(int i =0 ; i< fac.size() ; i++){
			if(q[fac[i]-1]!=1){
				b=false;
			}
			q[fac[i]-1]=0;
		}
		
		for(int i = 0 ; i< n ; i++){
			if(q[i]==1){
				b=false;
			}
		}
		if(b){
			cout<<1<<endl<<chk;
		}
		else{
			cout<<-1;
		}
	}

	int l ; cin>>l;
	
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:33: error: 'chk' was not declared in this scope
   41 |                                 chk=i+1;
      |                                 ^~~
a.cc:48:41: error: 'chk' was not declared in this scope
   48 |                 for(int i = 1 ; i<=sqrt(chk) ; i++){
      |                                         ^~~
a.cc:73:40: error: 'chk' was not declared in this scope
   73 |                         cout<<1<<endl<<chk;
      |                                        ^~~
Language: C++

#include <queue>
#include <cstdio>
#include <iostream>
#include <math.h>
#include <set>
#include <map>
#include <string>
#include <vector>
#include <sstream>
#include <algorithm>
#include <iomanip>
#include <stack>
using namespace std;
typedef long long int ll;

#define EPS (1e-9)
#define INF (1e9)
#define PI (acos(-1))
#define REP(i,n) for(int i=0;i<n;i++)

int gcd(int a, int b) {
	if (b == 0) return a;
	return gcd(b, a % b);
}

ll beki(ll a, ll b) {
	ll tmp = 1;
	REP(i, b) tmp *= a;
	return tmp;
}

int N;
int a[200010];
int b[200010];
bool c[200010] = {};

int main() {
	cin >> N;
	REP(i, N) cin >> a[i];
	int M = 0;
	
	for (int i = N - 1; i >= 0; i--) {
		//まず前にないかかくにん 
		
		int tmp = i + 1;
		int sum = 0;
		

		while (true) {
			if (tmp <= N) {
				sum += a[i];
				tmp += i + 1;
			}
			else break;
		}
		if (sum % 2 == 1) {
			c[i] = true;
			M++;
		}
	}
	cout << M << endl;
	REP(i, N) {
		if (c[i]) {
			cout << i + 1 << endl;
		}
	}


Compiler output:
a.cc: In function 'int main()':
a.cc:66:10: error: expected '}' at end of input
   66 |         }
      |          ^
a.cc:37:12: note: to match this '{'
   37 | int main() {
      |            ^
Language: Java

package atcoder134;

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

public class Main4 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = Integer.parseInt(sc.next());
		int[] arr = new int[N + 1];
		boolean allZero = true;
		for (int i = 1; i <= N; i++) {
			int current = Integer.parseInt(sc.next());
			arr[i] = current;
			if (allZero) {
				allZero = current == 0;
			}
		}
		sc.close();
		if (allZero) {
			System.out.println(0);
			return;
		}
		int count = 0;
		Set<Integer> set = new HashSet<>();
		for (int i = N; i > 0; i--) {
			int div = N / i;
			if (div == 1 && arr[i] == 1) {
				set.add(i);
				count++;
				continue;
			}
			boolean bl = false;
			for (int j = 2; j <= div; j++) {
				if (set.contains(j * i)) {
					bl = !bl;
				}
			}
			if (bl != (arr[i] == 1)) {
				set.add(i);
				count++;
			}
		}
		System.out.println(count);
		Iterator iterator = set.iterator();
		for (int i = 0; i < count; i++) {
			System.out.print(iterator.next() + " ");
		}
	}
}


Compiler output:
Main.java:8: error: class Main4 is public, should be declared in a file named Main4.java
public class Main4 {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
  int N;
  cin >> N;
  int a[N + 1]{};
  for (int i = 0; i < N; i++) {
    cin >> a[i + 1];
  }
  int b[N + 1]{};
  int cnt = 0;
  for (int i = N; i > (N + 1) / 2; i--) {
    if (a[i] == 1) {
      b[i] = 1;
      cnt++;
    }
  }
  
  for (int i = (N + 1) / 2; i >= 1; i--) {
    int k = 0;
    for (int j = i; j <=a N; j += i) {
      k += b[i];
    }
    if (a[i] % 2 == 0) {
      b[i] = 0;
    } else {
      b[i] = 1;
      cnt++;
    }
    
  }
  cout << cnt << "\n";
  bool flag = true;
  for (int i = 1; i <= N; i++) {
    if (b[i] == 1) {
      if (flag) {
        cout << i;
      } else {
        cout << " " << i << "\n";
      }
    }
  }
  if (cnt == 0) return 0;
  cout << "\n";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   22 |     for (int j = i; j <=a N; j += i) {
      |                     ~~^~~
a.cc:22:26: error: expected ';' before 'N'
   22 |     for (int j = i; j <=a N; j += i) {
      |                          ^~
      |                          ;
a.cc:22:28: error: expected ')' before ';' token
   22 |     for (int j = i; j <=a N; j += i) {
      |         ~                  ^
      |                            )
a.cc:22:30: error: 'j' was not declared in this scope
   22 |     for (int j = i; j <=a N; j += i) {
      |                              ^
Language: C++

#include<iostream>
#include<vector>

using namespace std;

int N;

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

	vector<int> ans;
	for (int i = N - 1; i >= 0; i--) {
		if (!a[i])continue;
		int num = i + 1;
		ans.push_back(num);
		for (int j = 1; j <= sqrt(num); j++) {
			if (num % j == 0) {
				a[i] = !a[i];
			}
		}
	}
	cout << ans.size() << endl;
	for (int i = 0; i < ans.size(); i++) {
		cout << ans[i] << flush;
		if (i != ans.size() - 1)cout << " " << flush;
	}
	if (ans.size() != 0)cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:38: error: 'sqrt' was not declared in this scope
   18 |                 for (int j = 1; j <= sqrt(num); j++) {
      |                                      ^~~~
Language: C++

#include <bits/stdc++.h>
#include "Prime.h"

using namespace std;

using pii = pair<int, int>;

int main()
{
    int N;
    cin >> N;
    vector<int> a(N + 1);
    for (int i = 1; i <= N; i++)
        cin >> a[i];

    vector<int> s(N + 1, 0);
    vector<int> b;
    for (int i = N; i >= 1; i--)
    {
        if (s[i] % 2 != a[i])
        {
            b.push_back(i);
            vector<unsigned int> divisorsOfi = make_divisors((unsigned int)i);
            for (const auto n : divisorsOfi)
                s[n]++;
        }
    }
    int M = b.size();

    cout << M << endl;
    for (int j = 0; j < M; j++)
    {
        cout << b[j] << " ";
    }
    cout << endl;
    return 0;
}

Compiler output:
a.cc:2:10: fatal error: Prime.h: No such file or directory
    2 | #include "Prime.h"
      |          ^~~~~~~~~
compilation terminated.
Language: C++

//#include <bits/stdc++.h>
#include <iostream>
#include <complex>
#include <sstream>
#include <string>
#include <algorithm>
#include <deque>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <vector>
#include <set>
#include <limits>
#include <cstdio>
#include <cctype>
#include <cmath>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <climits>
#include <iomanip>
#include <stack>
#include <bitset>

#define REP(i, n) for(int i = 0; i < (int)(n); i++)
#define FOR(i, j, k) for(int i = (int)(j); i < (int)(k); ++i)
#define ROF(i, j, k) for(int i = (int)(j); i >= (int)(k); --i)
#define FORLL(i, n, m) for(long long i = n; i < (long long)(m); i++)
#define SORT(v, n) sort(v, v+n)
#define REVERSE(v) reverse((v).begin(), (v).end())

using namespace std;
using ll = long long;
const ll MOD=1000000007LL;
typedef pair<int, int> P;

ll ADD(ll x, ll y) { return (x+y) % MOD; }
ll SUB(ll x, ll y) { return (x-y+MOD) % MOD; }
ll MUL(ll x, ll y) { return x*y % MOD; }
ll POW(ll x, ll e) { ll v=1; for(; e; x=MUL(x,x), e>>=1) if (e&1) v = MUL(v,x); return v; }
ll DIV(ll x, ll y) { /*assert(y%MOD!=0);*/ return MUL(x, POW(y, MOD-2)); }

template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}return 0;}

int bit[20000010];

vector< int64_t > divisor(int64_t n) {
  vector< int64_t > ret;
  for(int64_t 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(void){  
  ios_base::sync_with_stdio(false);
  cin.tie(0);

  ll n;
  cin >> n;
  vector<ll> a(n);
  REP(i,n) cin >> a[i];  
  vector<ll> ans;
  
  ROF(i,n-1,0){
    //cerr << i << endl;
    //bit on
    if(a[i] == 1){
      if(bit[i+1]%2==0){
	bit[i+1]++;      
	ans.push_back(i+1);
	vector<ll> primes = divisor((ll)(i+1));
	//cerr << "num: " << i+1 << endl;
	for(ll j=0; j<primes.size(); j++){
	  //cerr << "j: " << j << " elm: " << primes[j] << endl;
	  bit[primes[j]]++;
	}
      }
    }else {
      //奇数
      if(bit[i+1]%2!=0){
	bit[i+1]++;
	ans.push_back(i+1);
	vector<ll> primes = divisor((ll)(i+1));
	for(ll j=0; j<primes.size(); j++){
	  //cerr << "j: " << j << " elm: " << primes[j] << endl;
	  bit[primes[j]]++;
	}	
      }
    }
    /*
    for(int j=0; j<=n; j++){
      cerr << bit[j] << " ";
    }
    cerr << endl;
    */
  }
  cout << ans.size() << endl;
  for(auto &e: ans) cout << e << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:79:36: error: conversion from 'vector<long int>' to non-scalar type 'vector<long long int>' requested
   79 |         vector<ll> primes = divisor((ll)(i+1));
      |                             ~~~~~~~^~~~~~~~~~~
a.cc:91:36: error: conversion from 'vector<long int>' to non-scalar type 'vector<long long int>' requested
   91 |         vector<ll> primes = divisor((ll)(i+1));
      |                             ~~~~~~~^~~~~~~~~~~
Language: C++

//#include <bits/stdc++.h>
#include <iostream>
#include <complex>
#include <sstream>
#include <string>
#include <algorithm>
#include <deque>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <vector>
#include <set>
#include <limits>
#include <cstdio>
#include <cctype>
#include <cmath>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <climits>
#include <iomanip>
#include <stack>
#include <bitset>

#define REP(i, n) for(int i = 0; i < (int)(n); i++)
#define FOR(i, j, k) for(int i = (int)(j); i < (int)(k); ++i)
#define ROF(i, j, k) for(int i = (int)(j); i >= (int)(k); --i)
#define FORLL(i, n, m) for(long long i = n; i < (long long)(m); i++)
#define SORT(v, n) sort(v, v+n)
#define REVERSE(v) reverse((v).begin(), (v).end())

using namespace std;
using ll = long long;
const ll MOD=1000000007LL;
typedef pair<int, int> P;

ll ADD(ll x, ll y) { return (x+y) % MOD; }
ll SUB(ll x, ll y) { return (x-y+MOD) % MOD; }
ll MUL(ll x, ll y) { return x*y % MOD; }
ll POW(ll x, ll e) { ll v=1; for(; e; x=MUL(x,x), e>>=1) if (e&1) v = MUL(v,x); return v; }
ll DIV(ll x, ll y) { /*assert(y%MOD!=0);*/ return MUL(x, POW(y, MOD-2)); }

template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}return 0;}

int bit[20000010];

vector< int64_t > divisor(int64_t n) {
  vector< int64_t > ret;
  for(int64_t 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(void){  
  ios_base::sync_with_stdio(false);
  cin.tie(0);

  int n;
  cin >> n;
  vector<int> a(n);
  REP(i,n) cin >> a[i];  
  vector<int> ans;
  
  ROF(i,n-1,0){
    //cerr << i << endl;
    //bit on
    if(a[i] == 1){
      if(bit[i+1]%2==0){
	bit[i+1]++;      
	ans.push_back(i+1);
	vector<ll> primes = divisor(i+1);
	//cerr << "num: " << i+1 << endl;
	for(int j=0; j<primes.size(); j++){
	  //cerr << "j: " << j << " elm: " << primes[j] << endl;
	  bit[primes[j]]++;
	}
      }
    }else {
      //奇数
      if(bit[i+1]%2!=0){
	bit[i+1]++;
	ans.push_back(i+1);
	vector<ll> primes = divisor(i+1);
	for(int j=0; j<primes.size(); j++){
	  //cerr << "j: " << j << " elm: " << primes[j] << endl;
	  bit[primes[j]]++;
	}	
      }
    }
    /*
    for(int j=0; j<=n; j++){
      cerr << bit[j] << " ";
    }
    cerr << endl;
    */
  }
  cout << ans.size() << endl;
  for(auto &e: ans) cout << e << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:79:36: error: conversion from 'vector<long int>' to non-scalar type 'vector<long long int>' requested
   79 |         vector<ll> primes = divisor(i+1);
      |                             ~~~~~~~^~~~~
a.cc:91:36: error: conversion from 'vector<long int>' to non-scalar type 'vector<long long int>' requested
   91 |         vector<ll> primes = divisor(i+1);
      |                             ~~~~~~~^~~~~
Language: C++

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

int main(int argc, char const *argv[])
{
    int n; cin >> n;
    int a[200010];
    for (int i = 0; i < n; i++) cin >> a[i];
    int b[20010];
    queue<int> q;
    int balls = 0;
    for (int i = n-1; i >= 0; i--)
    {
        int k = n / (i+1);
        int count = 0;
        for (int j = 2; j <= k; j++)
        {
            count = (count+b[k*(i+1)-1])%2;
        }
        if (count == a[i]) b[i] = 0;
        else {
            b[i] = 1;
            q.push(i+1);
            balls ++;
        }
    }
    cout << balls << endl;
    for (int i = 0; i < balls; i++)
    {
        cout << q.top() <<" ";
        q.pop();
    }


    return 0;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:30:19: error: 'class std::queue<int>' has no member named 'top'; did you mean 'pop'?
   30 |         cout << q.top() <<" ";
      |                   ^~~
      |                   pop
Language: C++

#include <iostream>
#include "pch.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <string>

using namespace std;

int main() {
	int n;
	cin >> n;
	vector<int> da(n);
	for (int i = 0;i < n;i++) {
		cin >> da[i];
	}
	vector<int> ans(n,0);
	for (int i = n - 1;i > -1;i--) {
		int co = 0;
		int j = i + 1;
		while (n + 1 > j) {
			if (ans[j-1]) {
				co++;
			}
			j += i + 1;
		}
		if (co % 2 != da[i]) {
			ans[i] = 1;
		}
	}
	cout << n << endl;
	for (int i = 0;i < n;i++) {
		if (i == n - 1) {
			cout << ans[i] << endl;
		}
		else {
			cout << ans[i] << ' ';
		}
	}
}

Compiler output:
a.cc:2:10: fatal error: pch.h: No such file or directory
    2 | #include "pch.h"
      |          ^~~~~~~
compilation terminated.
Language: Java

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

public class D {

	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);
		int N = scn.nextInt();
		int[] A = new int[N];
		ArrayList<Integer> exsist = new ArrayList<Integer>();
		for (int i = 0; i < N; i++) {
			A[i] = scn.nextInt();
		}
		for (int i = N; i > 0; i--) {
			int sum = 0;
			if (i > N/2) {
				for (int j : exsist) {
					if (j % i == 0)
						sum++;
				}
			}
			if (sum % 2 != A[i - 1]) {
				exsist.add(i);
			}
		}
		System.out.println(exsist.size());
		for (int i = exsist.size(); i > 0; i--) {
			System.out.print(exsist.get(i - 1) + ((i == 1) ? "" : " "));
		}
	}

}

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++

//*INDENT-OFF*
#include<bits/stdc++.h>
using namespace std;
template<typename V>
bool tomin(V&x,V y){if(y<x){x=y;return true;}return false;}
template<typename V>
bool tomax(V&x,V y){if(x<y){x=y;return true;}return false;}
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> PII;
#pragma GCC optimize(3)
#define lowbit(x) ((x)&-(x))
//*INDENT-ON*
const int M=2e5+5;
int n,A[M],B;
bool vis[M];
int main(){
    ios::sync_with_stdio(false);
    cin>>n;
	for(int i=1;i<=n;i++)
        cin>>A[i];
    int res;
	for(int i=n;i>=1;i--){
		res=0;
		for(int j=i+i;j<=n;j+=i)
            res^=vis[j];
		vis[i]=A[i]^res;
	}
	for(int i=1;i<=n;i++)B+=vis[i];
	cout<<B<<endl;
	for(int i=1;i<=n;i++){
        cout<<i<<(i==n?'\n':' ');
	}
	return 0;
}

}

Compiler output:
a.cc:37:1: error: expected declaration before '}' token
   37 | }
      | ^
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

const int maxn=2e5+5;

int n;
bool l[maxn];
int br[maxn];
vector < int > sol;

void dodaj(int x){
	for(int i=1; i<=sqrt(x); i++){
		if(x%i){
			br[i]++;
			if(i!=x/i){
				br[x/i]++;
			}
		}
	}
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n;
	for(int i=0; i<n; i++){
		cin >> l[i];
	}
	for(int i=n-1; i>-1; i--){
		if(br[i]%2!=l[i]){
			sol.push_back(i+1);
			dodaj(i);
		}
	}
	
	sort(sol.begin(), sol.end());
	cout << sol.size() << '\n';
	for(int i=0; i<sol.size(); i++){
		cout << sol[i] << " ";
	}
	if(sol.size()){
		cout << '\n';
	}
	return 0;
}

Compiler output:
a.cc: In function 'void dodaj(int)':
a.cc:15:25: error: 'sqrt' was not declared in this scope
   15 |         for(int i=1; i<=sqrt(x); i++){
      |                         ^~~~
Language: C++

/*------------------------------------
........Bismillahir Rahmanir Rahim....
..........created by Abdul Aziz.......
------------------------------------*/
#include <iostream>
#include <algorithm>
#include <stdio.h>
#include <cmath>
#include <vector>
#include <set>
#include <list>
#include <stack>
#include <map>
#include <cstring>
#include <unordered_map>
#include <queue>
#include <functional>
#define   mod  998244353
#define   int  long long 
#define   ld   long double
#define   pb   push_back
#define   vi   vector<int> 
#define   co(x)  cout << x << '\n' 
#define   dbg(x)  cerr << #x << " = " << x << '\n' 
#define   bitcount(x)  (int)__builtin_popcount(x) 
#define   sz(x)  (int)x.size()
#define   all(a) a.begin(),a.end() 
#define   ff   first
#define   ss   second
#define   pii  pair<int,int> 
#define   lcm(a,b) (a*b)/__gcd(a,b) 
using namespace std;

inline void solve(){
    int n; cin>>n; 
    int ans = 0,mn = INT_MAX,x ; 
    for (int i=0;i<n;i++){
    	cin >> x ; 
    	if (x <= mn) ans++;
    	mn = min(mn, x) ; 
    }
    co( ans ) ; 
}

signed main()
{
    int n=1; // cin>>n;
    while (n--) solve();
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:36:22: error: 'INT_MAX' was not declared in this scope
   36 |     int ans = 0,mn = INT_MAX,x ;
      |                      ^~~~~~~
a.cc:18:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   17 | #include <functional>
  +++ |+#include <climits>
   18 | #define   mod  998244353
a.cc:38:16: error: 'x' was not declared in this scope
   38 |         cin >> x ;
      |                ^
Language: C++

#include <iostream>
#include <algorithm>
#include <set>
using namespace std;
#define ll long long
const int mod = 1e9 + 7;
multiset<int> s;

int main() {
    int n;
    cin >> n;
    s.clear();
    for (int i = 1; i <= n; i++) {
        int tmp;
        scanf("%d", &tmp);
        __tree_const_iterator<int> id = lower_bound(s.begin(), s.end(), tmp);
        if (id != s.begin()) s.erase(--id);
        s.insert(tmp);
    }
    cout << s.size();

}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: '__tree_const_iterator' was not declared in this scope
   16 |         __tree_const_iterator<int> id = lower_bound(s.begin(), s.end(), tmp);
      |         ^~~~~~~~~~~~~~~~~~~~~
a.cc:16:31: error: expected primary-expression before 'int'
   16 |         __tree_const_iterator<int> id = lower_bound(s.begin(), s.end(), tmp);
      |                               ^~~
a.cc:17:13: error: 'id' was not declared in this scope; did you mean 'i'?
   17 |         if (id != s.begin()) s.erase(--id);
      |             ^~
      |             i
Language: C

#include <iostream>
#include<bits/stdc++.h>
using namespace std;
int num[100009]={0},a[100009]={0},f=0;
int main()
{
    int n,i,mi;
    scanf("%d",&n);
    for(i=1;i<=n;i++){
        int n1;
        scanf("%d",&n1);
        num[i]=n1;
    }
    a[1]=num[1];
    f++;
    mi=a[1];
    for(i=2;i<=n;i++){
        if(num[i]<=mi){
            mi=num[i];
            a[++f]=num[i];
        }
        else{
                for(int j=1;j<=f;j++){
                    if(a[j]<num[i]){
                        a[j]=num[i];
                        if(j==f)
                            mi=num[i];
                            break;
                    }
                }
        }
        //printf("%d  %d\n",mi,f);

    }
    printf("%d\n",f);

    return 0;
}


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

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

int main(){
    int n;
    cin >> n;
    int a;
    int dp[n];
    int ans=0;
    for(int i=0;i<n;i++)dp[i]=1e9;
    for(int i=0;i<n;i++){
        cin >> a;
        a *= (-1);
        *lower_bound(dp,dp+n,a)=a;
    }
    for(int i=0;i<n;i++){
        if(dp[i]==1e9)break;
        ans += (upper_bound(dp,dp+n,dp[i])-lower_bound(dp,dp+n,dp[i]))
    }
    cout << ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:71: error: expected ';' before '}' token
   18 |         ans += (upper_bound(dp,dp+n,dp[i])-lower_bound(dp,dp+n,dp[i]))
      |                                                                       ^
      |                                                                       ;
   19 |     }
      |     ~