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

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

string solve(long long int n)
{
  string s;
  long long int cnt=0,m=n,d;
  if(n==0)
    return "0";
  while(n!=0)
  {
      d=n%(-2);
      n/=(-2);
      //cout<<n<<" "<<d<<"\n";
      if(d<0)
      {
          d+=2;
          n++;
      }
      if(d==0)
        s+='0';
      else
        s+='1';
  }
  reverse(s.begin(),s.end());
  return s;
}


int main()
{
    ios_base::sync_with_stdio(false);

    long long int n;

    cin>>n;
    cout<<solve(n)<<"\n";
    return 0;
}#include<bits/stdc++.h>
using namespace std;

string solve(long long int n)
{
  string s;
  long long int cnt=0,m=n,d;
  if(n==0)
    return "0";
  while(n!=0)
  {
      d=n%(-2);
      n/=(-2);
      //cout<<n<<" "<<d<<"\n";
      if(d<0)
      {
          d+=2;
          n++;
      }
      if(d==0)
        s+='0';
      else
        s+='1';
  }
  reverse(s.begin(),s.end());
  return s;
}


int main()
{
    ios_base::sync_with_stdio(false);

    long long int n;

    cin>>n;
    cout<<solve(n)<<"\n";
    return 0;
}

Compiler output:
a.cc:39:2: error: stray '#' in program
   39 | }#include<bits/stdc++.h>
      |  ^
a.cc:39:3: error: 'include' does not name a type
   39 | }#include<bits/stdc++.h>
      |   ^~~~~~~
a.cc:42:8: error: redefinition of 'std::string solve(long long int)'
   42 | string solve(long long int n)
      |        ^~~~~
a.cc:4:8: note: 'std::string solve(long long int)' previously defined here
    4 | string solve(long long int n)
      |        ^~~~~
a.cc:68:5: error: redefinition of 'int main()'
   68 | int main()
      |     ^~~~
a.cc:30:5: note: 'int main()' previously defined here
   30 | int main()
      |     ^~~~
Language: C++

using namespace std ;
typedef long long LL ;

int main(){

    int n;
    cin >> n ;
    if(n == 0){
        cout << 0 << endl ;
        return 0 ;
    }
    vector<int> ans ;

    while(n){
        if(n < 0){
            int x = 0 - n ;
            ans.push_back(x % 2) ;
            n = (x + 1) / 2 ;
        }
        else{
            ans.push_back(n % 2) ;
            n = 0 - n / 2 ;
        }
    }

    reverse(ans.begin(), ans.end()) ;
    for(auto i : ans)
        cout << i;
    cout << endl ;

    return 0 ;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin >> n ;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std ;
a.cc:9:9: error: 'cout' was not declared in this scope
    9 |         cout << 0 << endl ;
      |         ^~~~
a.cc:9:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:22: error: 'endl' was not declared in this scope
    9 |         cout << 0 << endl ;
      |                      ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std ;
a.cc:12:5: error: 'vector' was not declared in this scope
   12 |     vector<int> ans ;
      |     ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | using namespace std ;
a.cc:12:12: error: expected primary-expression before 'int'
   12 |     vector<int> ans ;
      |            ^~~
a.cc:17:13: error: 'ans' was not declared in this scope
   17 |             ans.push_back(x % 2) ;
      |             ^~~
a.cc:21:13: error: 'ans' was not declared in this scope
   21 |             ans.push_back(n % 2) ;
      |             ^~~
a.cc:26:13: error: 'ans' was not declared in this scope
   26 |     reverse(ans.begin(), ans.end()) ;
      |             ^~~
a.cc:26:5: error: 'reverse' was not declared in this scope
   26 |     reverse(ans.begin(), ans.end()) ;
      |     ^~~~~~~
a.cc:28:9: error: 'cout' was not declared in this scope
   28 |         cout << i;
      |         ^~~~
a.cc:28:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:29:5: error: 'cout' was not declared in this scope
   29 |     cout << endl ;
      |     ^~~~
a.cc:29:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:29:13: error: 'endl' was not declared in this scope
   29 |     cout << endl ;
      |             ^~~~
a.cc:29:13: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

include<bits/stdc++.h>
#define all(v) v.begin(), v.end() 
using namespace std;
typedef long long ll;

int n;

int main() {
   ios_base::sync_with_stdio(false);
   cin.tie(NULL);
   cin >> n;
   string ret = "";
   int x = 1;
   while(n != 0) {
       if(n % abs(2*x) != 0) 
           ret = '1' + ret, n -= x;
       else
           ret = '0' + ret;
       x *= -2;
   }
   if(ret.length() == 0) ret = '0';
   cout << ret << "\n";
   return 0;
} 


Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:9:4: error: 'ios_base' has not been declared
    9 |    ios_base::sync_with_stdio(false);
      |    ^~~~~~~~
a.cc:10:4: error: 'cin' was not declared in this scope
   10 |    cin.tie(NULL);
      |    ^~~
a.cc:10:12: error: 'NULL' was not declared in this scope
   10 |    cin.tie(NULL);
      |            ^~~~
a.cc:1:1: note: 'NULL' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
  +++ |+#include <cstddef>
    1 | include<bits/stdc++.h>
a.cc:12:4: error: 'string' was not declared in this scope
   12 |    string ret = "";
      |    ^~~~~~
a.cc:15:15: error: 'abs' was not declared in this scope
   15 |        if(n % abs(2*x) != 0)
      |               ^~~
a.cc:16:12: error: 'ret' was not declared in this scope
   16 |            ret = '1' + ret, n -= x;
      |            ^~~
a.cc:18:12: error: 'ret' was not declared in this scope
   18 |            ret = '0' + ret;
      |            ^~~
a.cc:21:7: error: 'ret' was not declared in this scope
   21 |    if(ret.length() == 0) ret = '0';
      |       ^~~
a.cc:22:4: error: 'cout' was not declared in this scope
   22 |    cout << ret << "\n";
      |    ^~~~
a.cc:22:12: error: 'ret' was not declared in this scope
   22 |    cout << ret << "\n";
      |            ^~~
Language: C++

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

template<typename T>
void remove(std::vector<T>& vector, unsigned int index)
{
    vector.erase(vector.begin() + index);
}

typedef long long int ll;

ll INF = 1000000000000000000;
ll MOD = 1e9+7;

int main(){
    ll N;cin >> N;
    if(N == 0){
        cout << 0 << endl;
        retiurn 0;
    }
    vector<ll> ans;
    while(N != 0){
        int r = N % 2;
        if(r < 0)r += 2;
        N = (N - r) / (-2);
        ans.push_back(r);
    }
    int n = ans.size();
    for(int i = n-1;i >= 0;i--){
        cout << ans[i];
    }
    cout << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:9: error: 'retiurn' was not declared in this scope
   19 |         retiurn 0;
      |         ^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ALL(v) (v).begin(),(v).end()
#define REP(i,p,n) for(int i=p;i<(int)(n);++i)
#define rep(i,n) REP(i,0,n)
#define SZ(x) ((int)(x).size())
#define debug(x) cerr << #x << ": " << x << '\n'
#define INF 999999999
typedef long long int Int;
typedef pair<int,int> P;
using ll = long long;
using VI = vector<int>;

using namespace std;
int main(){
  int n;cin >> n;
  string str = "";
  while(n!=0){
    int r = n%2;
    if(r<0) r+=2;
    n = (n-r)/(-2);
    str+=(char)('0'+r);
  }
  reverse(str.begin(),str.end());
  if(str="") str="0";
  cout << str << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:9: error: could not convert 'str.std::__cxx11::basic_string<char>::operator=(((const char*)""))' from 'std::__cxx11::basic_string<char>' to 'bool'
   25 |   if(str="") str="0";
      |      ~~~^~~
      |         |
      |         std::__cxx11::basic_string<char>
Language: Java

public class Main {

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

		if(n == 0) {
			System.out.println("0");
		}
		else {
			String s = "";
			int c = 0;
			while(true){
				long pow = 2L << c;
				if(n % pow != 0) {
					n -= Math.pow(-2, c);
					s = "1" + s;
				}
				else {
					s = "0" + s;
				}
				if(n == 0)
					break;
				c++;
			}
			
			System.out.println(s);
		}
	}
		

}


Compiler output:
Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

v#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
typedef long long ll;

int main() {
    int N;
    cin >> N;
    int tmp = 0;
    string ans = "";
    int cnt = 0;
    int i = -2;
    while(N / -2 == 0){
        ans += N % -2;
        N /= -2;
    }
    for (int i = ans.length() - 1; i >= 0; i--){
        cout << ans[i];
    }
    cout << endl;
}


Compiler output:
a.cc:1:2: error: stray '#' in program
    1 | v#include <bits/stdc++.h>
      |  ^
a.cc:1:1: error: 'v' does not name a type
    1 | v#include <bits/stdc++.h>
      | ^
a.cc: In function 'int main()':
a.cc:9:5: error: 'cin' was not declared in this scope
    9 |     cin >> N;
      |     ^~~
a.cc:11:5: error: 'string' was not declared in this scope
   11 |     string ans = "";
      |     ^~~~~~
a.cc:15:9: error: 'ans' was not declared in this scope
   15 |         ans += N % -2;
      |         ^~~
a.cc:18:18: error: 'ans' was not declared in this scope
   18 |     for (int i = ans.length() - 1; i >= 0; i--){
      |                  ^~~
a.cc:19:9: error: 'cout' was not declared in this scope
   19 |         cout << ans[i];
      |         ^~~~
a.cc:21:5: error: 'cout' was not declared in this scope
   21 |     cout << endl;
      |     ^~~~
a.cc:21:13: error: 'endl' was not declared in this scope
   21 |     cout << endl;
      |             ^~~~
Language: C++

z#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
#define all(x) (x).begin(),(x).end()
#define pll pair<ll,ll>
#define rep(i,n) for(int i=0;i<n;i++) 
const ll INF = 1LL<<60;
const ll mod = (int)1e9 + 7;

int main() {
    //ll N; cin >> N;
    //ll N,M; cin >> N >> M;
    //string S; cin >> S;
    //ll H,W; cin >> H >> W;
    int N;
    cin >> N;
    vector<int> a;
    while(N!=0){
        a.push_back(abs(N%2));
      	if(N%2!=0 && N<0)N--;
      	N=N/2;
      	N=-N;
      	cerr << N;
    }
    reverse(all(a));
    if(N==0)cout << 0;
  	else{
      for(auto x:a)cout << x;
    }
    


}

/*

ファルコンランチ

 */



Compiler output:
a.cc:1:2: error: stray '#' in program
    1 | z#include <bits/stdc++.h>
      |  ^
a.cc:1:1: error: 'z' does not name a type
    1 | z#include <bits/stdc++.h>
      | ^
a.cc: In function 'int main()':
a.cc:18:5: error: 'cin' was not declared in this scope
   18 |     cin >> N;
      |     ^~~
a.cc:19:5: error: 'vector' was not declared in this scope
   19 |     vector<int> a;
      |     ^~~~~~
a.cc:19:12: error: expected primary-expression before 'int'
   19 |     vector<int> a;
      |            ^~~
a.cc:21:9: error: 'a' was not declared in this scope
   21 |         a.push_back(abs(N%2));
      |         ^
a.cc:21:21: error: 'abs' was not declared in this scope
   21 |         a.push_back(abs(N%2));
      |                     ^~~
a.cc:25:9: error: 'cerr' was not declared in this scope
   25 |         cerr << N;
      |         ^~~~
a.cc:27:17: error: 'a' was not declared in this scope
   27 |     reverse(all(a));
      |                 ^
a.cc:6:17: note: in definition of macro 'all'
    6 | #define all(x) (x).begin(),(x).end()
      |                 ^
a.cc:27:5: error: 'reverse' was not declared in this scope
   27 |     reverse(all(a));
      |     ^~~~~~~
a.cc:28:13: error: 'cout' was not declared in this scope
   28 |     if(N==0)cout << 0;
      |             ^~~~
a.cc:30:20: error: 'cout' was not declared in this scope
   30 |       for(auto x:a)cout << x;
      |                    ^~~~
Language: C++

// めんどくさかったのでコピペAC
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i=0; i<n; i++)
typedef long long int ll;
typedef pair<int, int> P;
#define INF 1e9 + 7

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

    ll N;
    cin >> N;
    string ans = "";
    ll time   = 1;
    while (N != 0) {
        if (N % (time * 2) == 0) {
            ans = "0" + ans;
        } else {
            ans = "1" + ans;
            N -= time;
        }
        time *= -2;
    }
    if (ans.empty())
        ans = "0";
    print(ans);

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:5: error: 'print' was not declared in this scope; did you mean 'rint'?
   28 |     print(ans);
      |     ^~~~~
      |     rint
Language: C++

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")

#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <iomanip>


using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;

typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;

#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)

#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define shandom_ruffle random_shuffle

const int MOD = 1000000007;
const ll INF = 1e18;
const int MX = 100001; //check the limits, dummy

ll norm(ll x){
  if(x == 0) return 0;
  if(x == -1 || x == 1) return 1;
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cout << std::setprecision(9);
    cout << std::fixed;

    ll n;
    cin >> n;
    if(n ==0){ cout << 0<<endl; return 0}
    vl v;
    ll phase = 1;
    if(n < 0) phase = -1;
    while(n != 0){
      if(phase == 1){
        v.pb(norm(n%2));
        n = n/2; n *=-1;
        phase = -1;
      } else if(phase == -1){
        v.pb(norm(n%2));
        n = (n-norm((n%2)))/2; n *=-1;
        phase = 1;
      }
    }
    for (auto it = v.crbegin(); it != v.crend(); it++) {
      cout <<*it;
    }

    cout << endl;


    return 0;
}

// read the question correctly (ll vs int)
// template by super1 derived from bqi343


Compiler output:
a.cc: In function 'int main()':
a.cc:57:41: error: expected ';' before '}' token
   57 |     if(n ==0){ cout << 0<<endl; return 0}
      |                                         ^
      |                                         ;
a.cc: In function 'll norm(ll)':
a.cc:48:1: warning: control reaches end of non-void function [-Wreturn-type]
   48 | }
      | ^
Language: Java

import java.util.*;

public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    for (int i = Integer.MIN_VALUE; i <= Integer.MAX_VALUE; i++) {
      if (calc(i) == N) {
        printAns(i);
        return;
      }
    }
  }
  private static int calc(int pattern) {
    int ret = 0;
    int i = 0;
    while (pattern != 0) {
      
      if (pattern % 2 == 1) {
        ret += pow(i);
      }
      
      pattern = pattern >>> 1;
      i++;
    }
    return ret;
  }
  
  private static int pow(int n) {
    if (n == 0) {
      return 1;
    }
    if (n % 2 == 1) {
      return -2 * pow(n-1);
    }
    int half = pow(n/2);
    return half*half;
  }
  
  private static void printAns(int pattern){
    StringBuilder builder = new StringBuilder();
    while (parttern != 0) {
      builder.append(pattern%2);
      pattern = pattrrn >>> 1;
    }
    
    System.out.println(builder.toString());
  }
}

Compiler output:
Main.java:43: error: cannot find symbol
    while (parttern != 0) {
           ^
  symbol:   variable parttern
  location: class Main
Main.java:45: error: cannot find symbol
      pattern = pattrrn >>> 1;
                ^
  symbol:   variable pattrrn
  location: class Main
2 errors
Language: Java

import java.util.*;

public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    for (int i = Integer.MIN_VALUE; i <= Integer.MAX_VALUE; i++) {
      if (calc(i) == N) {
        printAns(i);
        return;
      }
    }
  }
  private static int calc(int pattern) {
    int ret = 0;
    int i = 0;
    while (pattern != 0) {
      
      if (parttern % 2 == 1) {
        ret += pow(i);
      }
      
      pattern = parttern >>> 1;
      i++;
    }
    return ret;
  }
  
  private static int pow(int n) {
    if (n == 0) {
      return 1;
    }
    if (n % 2 == 1) {
      return -2 * pow(n-1);
    }
    int half = pow(n/2);
    return half*half;
  }
  
  private static void printAns(int parttern){
    StringBuilder builder = new StringBuilder();
    while (parttern != 0) {
      builder.append(parttern%2);
      parttern = parttrrn >>> 1;
    }
    
    System.out.println(builder.toString());
  }
}

Compiler output:
Main.java:20: error: cannot find symbol
      if (parttern % 2 == 1) {
          ^
  symbol:   variable parttern
  location: class Main
Main.java:24: error: cannot find symbol
      pattern = parttern >>> 1;
                ^
  symbol:   variable parttern
  location: class Main
Main.java:45: error: cannot find symbol
      parttern = parttrrn >>> 1;
                 ^
  symbol:   variable parttrrn
  location: class Main
3 errors
Language: Java

import java.util.*;

public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    for (int i = Integer.MIN_VALUE; i <= Integer.MAX_VALUE; i++) {
      if (calc(i) == N) {
        printAns(i);
        return;
      }
    }
  }
  private static int calc(int pattern) {
    int ret = 0;
    int i = 0;
    while (pattern != 0) {
      
      if (parttern % 2 == 1) {
        ret += pow(i);
      }
      
      pattern = parttern >>> 1;
      i++;
    }
    return ret;
  }
  
  private static int pow(int n) {
    if (n == 0) {
      return 1;
    }
    if (n % 2 == 1) {
      return -2 * pow(n-1);
    }
    int half = pow(n/2);
    return half*half;
  }
  
  private void printAns(int parttern){
    StringBuilder builder = new StringBuilder();
    while (parttern != 0) {
      builder.append(parttern%2);
      parttern = parttrrn >>> 1;
    }
    
    System.out.println(builder.toString());
  }
}

Compiler output:
Main.java:10: error: non-static method printAns(int) cannot be referenced from a static context
        printAns(i);
        ^
Main.java:20: error: cannot find symbol
      if (parttern % 2 == 1) {
          ^
  symbol:   variable parttern
  location: class Main
Main.java:24: error: cannot find symbol
      pattern = parttern >>> 1;
                ^
  symbol:   variable parttern
  location: class Main
Main.java:45: error: cannot find symbol
      parttern = parttrrn >>> 1;
                 ^
  symbol:   variable parttrrn
  location: class Main
4 errors
Language: C++

#include <iostream>
#include <vector>
#include <cmath>

int main(void){
  long n;
  std::cin >> n;

  if(n==0){
    std::cout << "0" << std::endl;
    return 0;
  }

  std::vector<long> lower;
  std::vector<long> upper;

  long minus = 0;
  long plus = 0;
  int dec = 1;
  lower.push_back(0);
  upper.push_back(1);
  while(true){
    if(dec%2){
      lower.push_back(lower[dec-1] + std::pow(-2, dec));
      upper.push_back(upper[dec-1]);
    }else{
      lower.push_back(lower[dec-1]);
      upper.push_back(upper[dec-1] + std::pow(-2, dec));
    }
    //std::cout << lower[dec] << " " << upper[dec] << std::endl;
    if(n<0){
      if(lower[dec] < n) break;
    }else{
      if(upper[dec] > n) break;
    }

    dec++;
  }

  for(int i=dec; i>=1; i--){
    if(i%2){
      if(lower[i-1] >= n){
        std::cout << "1";
        n -= std::pow(-2, i);
      }else{
        std::cout << "0";
      }
    }else{
      if(upper[i-1] <= n){
        std::cout << "1";
        n -= std::pow(-2, i);
      }else{
        std::cout << "0";
      }
    }
    //std::cout << std::endl << "a" << n << std::endl;                                                                 }
  std::cout << (n?"1":"0");
  std::cout << std::endl;




  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:64:2: error: expected '}' at end of input
   64 | }
      |  ^
a.cc:5:15: note: to match this '{'
    5 | int main(void){
      |               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,i;
  cin>>n;
  vector<int> a;
  i=-2;
  while(n){
    int b=n%i?1:0;
    a.push_back(b);
    i*=-2;
    n/=-2;
  }
  reverse(a.begin().a.end());
  for(int i=0;i<a.size();i++){
    cout<<a[i];
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:21: error: 'std::vector<int>::iterator' has no member named 'a'
   14 |   reverse(a.begin().a.end());
      |                     ^
Language: C++

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

int main(){
  ll i,N,p;
  cin>>N;
  if(N==0){cout<<N;return 0;}
  stack<int> st;
  while(N){
    st.push((N%2+2)%2)
    p=N/2;
    N=0-p;
  }
  while(!st.empty()){
    p=st.front();st.pop();
    cout<<p;
  }
  cout<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: expected ';' before 'p'
   12 |     st.push((N%2+2)%2)
      |                       ^
      |                       ;
   13 |     p=N/2;
      |     ~                  
a.cc:17:10: error: 'class std::stack<int>' has no member named 'front'
   17 |     p=st.front();st.pop();
      |          ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int N; cin >> N;
  string ans="";
  if (N==0){ ans="0";}
  while(N!=0){
    if(N%2!=0){
      ans="0"+ans;
    }
    else ans="1"+ans;
    N/=-2;
  }
  cout << ans << endl;
}
#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int N; cin >> N;
  string ans="";
  if (N==0){ ans="0";}
  while(N!=0){
    if(N%2!=0){
      ans="1"+ans;
      N--;
    }
    else ans="0"+ans;
    N/=-2;
  }
  cout << ans << endl;
}


Compiler output:
a.cc:20:5: error: redefinition of 'int main()'
   20 | int main(){
      |     ^~~~
a.cc:4:5: note: 'int main()' previously defined here
    4 | int main(){
      |     ^~~~
Language: C

#include<stdio.h>
#include<math.h>
typedef long long int ll;
ll pow_int(ll a, ll b){return (ll)pow((double)a, (double)b);}

int main(void){
    ll n;
    scanf("%lld" ,&n);

    ll min=0,max=0;
    ll tmp;
    ll index=0;

    while(1){
        tmp = pow_int(-2, index);
        if(tmp > 0){
            max += tmp;
        }else{
            min += tmp;
        }
    
        if(min <= n && n <= max){
            break;
        }

        index += 1;
    }

    ll ans[index+1];
    ll start = 1<<index;
    ll end = 1<<(index+1);
    ll now,sum;
    for(ll i=start; i<end; i++){
        now = index;
        sum = 0;

        for(ll j=0; j<index+1; j++){
            if((1 & i>>j) == 1){
                ans[now] = 1;
                sum += pow_int(-2,j);
            }else{
                ans[now] = 0;
            }
            now -= 1;
        }

        if(n == sum){
            break;
        }
    }

    for(int i=0; i<index+1; i++){
      printf("%lld", ans[i]);
    }
    printf("\n");
  
    return 0;
}
#include<stdio.h>
#include<math.h>
typedef long long int ll;
ll pow_int(ll a, ll b){return (ll)pow((double)a, (double)b);}

int main(void){
    ll n;
    scanf("%lld" ,&n);

    ll min=0,max=0;
    ll tmp;
    ll index=0;

    while(1){
        tmp = pow_int(-2, index);
        if(tmp > 0){
            max += tmp;
        }else{
            min += tmp;
        }
    
        if(min <= n && n <= max){
            break;
        }

        index += 1;
    }

    ll ans[index+1];
    ll start = 1<<index;
    ll end = 1<<(index+1);
    ll now,sum;
    for(ll i=start; i<end; i++){
        now = index;
        sum = 0;

        for(ll j=0; j<index+1; j++){
            if((1 & i>>j) == 1){
                ans[now] = 1;
                sum += pow_int(-2,j);
            }else{
                ans[now] = 0;
            }
            now -= 1;
        }

        if(n == sum){
            break;
        }
    }

    for(int i=0; i<index+1; i++){
      printf("%lld", ans[i]);
    }
    printf("\n");
  
    return 0;
}


Compiler output:
main.c:62:4: error: redefinition of 'pow_int'
   62 | ll pow_int(ll a, ll b){return (ll)pow((double)a, (double)b);}
      |    ^~~~~~~
main.c:4:4: note: previous definition of 'pow_int' with type 'll(ll,  ll)' {aka 'long long int(long long int,  long long int)'}
    4 | ll pow_int(ll a, ll b){return (ll)pow((double)a, (double)b);}
      |    ^~~~~~~
main.c:64:5: error: redefinition of 'main'
   64 | int main(void){
      |     ^~~~
main.c:6:5: note: previous definition of 'main' with type 'int(void)'
    6 | int main(void){
      |     ^~~~
Language: C

#include<stdio.h>
#include<math.h>

int pow_int(int a, int b){return (int)pow((double)a, (double)b);}

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

    int min=0,max=0;
    int tmp;
    int index=0;

    while(1){
        tmp = pow_int(-2, index);
        if(tmp > 0){
            max += tmp;
        }else{
            min += tmp;
        }
    
        if(min <= n && n <= max){
            break;
        }

        index += 1;
    }

    int ans[index+1];
    int start = 1<<index;
    int end = 1<<(index+1);
    for(int i=start; i<end; i++){
        int now = index;
        int sum = 0;

        for(int j=0; j<index+1; j++){
            if((1 & i>>j) == 1){
                ans[now] = 1;
                sum += pow_int(-2,j);
            }else{
                ans[now] = 0;
            }
            now -= 1;
        }

        if(n == sum){
            break;
        }
    }

    for(i=0; i<index+1; i++){
      printf("%d", ans[i]);
    }
    printf("\n");
  
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:51:9: error: 'i' undeclared (first use in this function)
   51 |     for(i=0; i<index+1; i++){
      |         ^
main.c:51:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
#include<math.h>

int pow_int(int a, int b){return (int)pow((double)a, (double)b);}

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

    int min=0,max=0;
    int tmp;
    int index=0;

    while(1){
        tmp = pow_int(-2, index);
        if(tmp > 0){
            max += tmp;
        }else{
            min += tmp;
        }
    
        if(min <= n && n <= max){
            break;
        }

        index += 1;
    }

    //min <= -2のindex乗 <= max
    //printf("min:%d max:%d index:%d\n", min, max, index);

    int ans[index+1];
    start = 1<<index;
    end = 1<<(index+1);
    for(int i=start; i<end; i++){
        int now = index;
        int sum = 0;

        for(int j=0; j<index+1; j++){
            if((1 & i>>j) == 1){
                ans[now] = 1;
                sum += pow_int(-2,j);
            }else{
                ans[now] = 0;
            }
            now -= 1;
        }

        if(n == sum){
            break;
        }
    }

    for(i=0; i<index+1; i++){
      printf("%d", ans[i]);
    }
    printf("\n");
  
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:33:5: error: 'start' undeclared (first use in this function)
   33 |     start = 1<<index;
      |     ^~~~~
main.c:33:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:34:5: error: 'end' undeclared (first use in this function)
   34 |     end = 1<<(index+1);
      |     ^~~
main.c:54:9: error: 'i' undeclared (first use in this function)
   54 |     for(i=0; i<index+1; i++){
      |         ^
Language: C++

include Math

POSITIVE = 0
NEGATIVE = 1

# P P
# P N
# N N
# N P
def add_pow2(v, sign, n)
  place = log2(n).round.to_i
  if place % 2 == sign
    if v[place] == 0
      v[place] = 1
    else
      v[place] = 0
      add_pow2(v, sign, n*2)
    end
  else
    if v[place] == 1
      v[place] = 0
    else
      v[place] = 1
      add_pow2(v, sign, n*2)
    end
  end
  v
end

def add_num(v, n)
  if n == 0
    v
  elsif n < 0
    inpow2(-n).each do |k|
      add_pow2(v, NEGATIVE,k)
    end
    v
  else
    inpow2(n).each do |k|
      add_pow2(v, POSITIVE,k)
    end
    v
  end
end

def inpow2(n)
  fail if n < 0
  exp = 0
  res = []
  while n > 0
    res << (1 << exp) if n & 1 == 1
    n >>= 1
    exp += 1
  end
  res
end

def zero
  [0] * 64
end

def tostr(v)
  s = v.join.reverse.sub(/\A0+/,'')
  if s.empty?
    '0'
  else
    s
  end
end

fail unless tostr(zero) == '0'
fail unless tostr(add_num(zero, 1)) == '1'
fail unless tostr(add_num(zero, -9)) == '1011'
fail unless tostr(add_num(zero,123456789)) ==
            "11000101011001101110100010101"

n = gets.to_i
puts tostr add_num(zero, n)

Compiler output:
a.cc:6:3: error: invalid preprocessing directive #P
    6 | # P P
      |   ^
a.cc:7:3: error: invalid preprocessing directive #P
    7 | # P N
      |   ^
a.cc:8:3: error: invalid preprocessing directive #N
    8 | # N N
      |   ^
a.cc:9:3: error: invalid preprocessing directive #N
    9 | # N P
      |   ^
a.cc:63:27: error: stray '\' in program
   63 |   s = v.join.reverse.sub(/\A0+/,'')
      |                           ^
a.cc:63:33: error: empty character constant
   63 |   s = v.join.reverse.sub(/\A0+/,'')
      |                                 ^~
a.cc:73:41: warning: multi-character character constant [-Wmultichar]
   73 | fail unless tostr(add_num(zero, -9)) == '1011'
      |                                         ^~~~~~
a.cc:1:1: error: 'include' does not name a type
    1 | include Math
      | ^~~~~~~
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main() {int N;cin >> N;string ans;if (!N) ans = '0';while (N != 0) {if (N % 2) ans += '1', N--;else ans += '0';N /= -2;}reverse(ans.begin(), ans.end());cout<<ans;}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:125: error: 'reverse' was not declared in this scope
    4 | int main() {int N;cin >> N;string ans;if (!N) ans = '0';while (N != 0) {if (N % 2) ans += '1', N--;else ans += '0';N /= -2;}reverse(ans.begin(), ans.end());cout<<ans;}
      |                                                                                                                             ^~~~~~~
Language: Java

import java.util.Scanner;
public class Main {
	public static void main(String[] args){
		Scanner stdIn=new Scanner(System.in);
		long N=stdIn.nextLong();
		int ir=1;
		if(N<0)
			ir=-1;
		int a[]=new int[100];
		int ans[]=new int[100];
		String A="";String s="";
		int x=0;
		long pl=0,mi=0,z=1;
		int n=99;
		boolean key=false;
		if(N!=0)
		while(true){
			if(z>0)
				pl+=z;
			if(z<0)
				mi+=z;
			a[x]=z;
			z*=-2;
			if(N<0&&mi<=N){
				N-=a[x];
				ans[x]=1;
				z=1;mi=0;pl=0;x=-1;
			}
			if(N>0&&pl>=N){
				N-=a[x];
				ans[x]=1;
				z=1;mi=0;pl=0;x=-1;
			}
			if(N==0)
				break;
			x++;
		}
		while(n>=0){
			if(ans[n]==1)
				key=true;
			if(key)
				A+=String.valueOf(ans[n]);
			n--;
		}
		if(A.equals(s))
			System.out.println(0);
		else
			System.out.println(A);
	}
}

Compiler output:
Main.java:22: error: incompatible types: possible lossy conversion from long to int
			a[x]=z;
			     ^
1 error
Language: C

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

#define MAX(p,q) ((p>q)?(p):(q))
#define MIN(p,q) ((p<q)?(p):(q))

#define REP(i,n) for(i=0;i<n;i++)
void solve(int j);

int main(void)
{
  int n;
  scanf("%d",&n);
  solve(n);
  return 0;  
}

void solve(int j)
{
   int a = (n % 2 == 0)? 0 : 1;
   int m = (a - n) / 2;
   if(m != 0) solve(m);
   printf("%d",a);
}



Compiler output:
main.c: In function 'solve':
main.c:22:13: error: 'n' undeclared (first use in this function)
   22 |    int a = (n % 2 == 0)? 0 : 1;
      |             ^
main.c:22:13: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <iostream>
#include <vector>
#include <cmath>

using namespace std;

int lsb(int N){
  int max = 0;
  int min = 0;
  for(int i = 0; i < 30; i++){
    if(i % 2 == 1) min += pow(-2, i);
    else max += pow(2, i);
    if(N <= max && N >= min) return i;
  }
  return -1;
}

int main(){
  int N;
  cin >> N;
  vector<char> V;
  
  while(N != 1 || N != 0){
  int n = lsb(N)
  N -= pow(-2,n)
  int nextn = lsb(N);
  V.push_back('1');
    for(int i = n; n > nextn; n--){
      V.push_back('0');
    }
  }
  V.push_back(N + '0');
  
  for(int i = 0; i < V.size(); i++) cout << V[i];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:3: error: expected ',' or ';' before 'N'
   25 |   N -= pow(-2,n)
      |   ^
a.cc:28:24: error: 'nextn' was not declared in this scope; did you mean 'nextup'?
   28 |     for(int i = n; n > nextn; n--){
      |                        ^~~~~
      |                        nextup
Language: C++

#include <bits/stdc++.h>
using namespace std;
int a;
string ans;
int cnt;
int main()
{
	cin >>a;
	while(a!=0)
	{
		int i=a%2;
		if(i)
		{
			a--;
			ans+='1';
		}
               else
                s+='0';
		a/=2;
	}
	for(int i=ans.size()-1;i>=0;i--)
	cout <<s[i];
	cout <<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:17: error: 's' was not declared in this scope
   18 |                 s+='0';
      |                 ^
a.cc:22:16: error: 's' was not declared in this scope
   22 |         cout <<s[i];
      |                ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int a;
string ans;
int cnt;
int main()
{
	cin >>a;
	while(a!=0)
	{
		int i=a%2;
		if(i)
		{
			a--;
			ans+='1';
		}
		a/=2;
	}
	for(int i=ans.size()-1;i>=0;i--)
	cout <<s[i];
	cout <<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:16: error: 's' was not declared in this scope
   20 |         cout <<s[i];
      |                ^
Language: Java

import java.util.*;
import static java.lang.Math.*;

public class Main{
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        string s = "";
        while(true){
            if(n%-2 == 0){
                s = "0" + s;
            }else{
                s = "1" + s;
                n--;
            }
            if(n/-2 == 0) break;
            n /= -2;
        }
        System.out.println(s);
    }
}

Compiler output:
Main.java:8: error: cannot find symbol
        string s = "";
        ^
  symbol:   class string
  location: class Main
1 error
Language: C++

N = int(input())
s = []
for i in range(100):
    if N % (2 ** (i+1)) != 0:
        N -= (-2) ** i
        s.append('1')
    else:
        s.append('0')

s.reverse()
print(s)
t = ''.join(s)
print(int(t))


Compiler output:
a.cc:12:5: error: empty character constant
   12 | t = ''.join(s)
      |     ^~
a.cc:1:1: error: 'N' does not name a type
    1 | N = int(input())
      | ^
Language: C++

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

#define REP(i,s,n) for(int i=(int)(s);i<(int)(n);i++)
#define DEBUGP(val) cerr << #val << "=" << val << "\n"

using namespace std;
typedef long long ll;

int main(void){
  ll n;
  scanf("%lld",&n);
  string s;
  while(n!=0){
    s+=n%2?'1':'0';
    n-=n%2?1:0;
    n/=-2;
  }
  reverse(s.begin(),s.end());
  printf("%s\n",s.c_str());
}


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

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

long long n;

string solve();

int main() {
  cin >> n;
  cout << solve() << endl;
  return 0;
}

string solve() {
  if(n == 0) return '0';
  string ans;
  while(n != 0) {
    ans += '0' + abs(n) % 2;
    n -= abs(n) % 2;
    n /= -2;
  }
  reverse(ans.begin(), ans.end());
  return ans;
}

Compiler output:
a.cc: In function 'std::string solve()':
a.cc:15:21: error: could not convert ''0'' from 'char' to 'std::string' {aka 'std::__cxx11::basic_string<char>'}
   15 |   if(n == 0) return '0';
      |                     ^~~
      |                     |
      |                     char
Language: C++

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


int main(){
  ll N;
  cin>>N;
  
  
}


Compiler output:
a.cc:3:2: error: invalid preprocessing directive #typedef
    3 | #typedef long long int ll
      |  ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: 'll' was not declared in this scope
    7 |   ll N;
      |   ^~
a.cc:8:8: error: 'N' was not declared in this scope
    8 |   cin>>N;
      |        ^
Language: C++

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main() {
    int N; cin >> N;

    string str = "";
    while(N != 0) {
        int r = N % 2;
        if(r < 0) r += 2;

        N = (N - r) / (-2);

        str += (char)('0' + r);
    }

    reverse(str.begin(), str.end());

    if (str == "") str = "0";
    cout << str << endl;

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'reverse' was not declared in this scope
   20 |     reverse(str.begin(), str.end());
      |     ^~~~~~~
Language: C++

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

int main(){
	int N;
	cin >> N;
	string ans="";
	char s;
	while(N){
		s='0'+abs(N)%2;
	
		ans=s+ans;
		N=(N-abs(N)%2)/(-2);
	}
	cout << ans <<endl
    return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:27: error: expected ';' before 'return'
   15 |         cout << ans <<endl
      |                           ^
      |                           ;
   16 |     return 0;
      |     ~~~~~~
Language: C++

#include <iostream>
#include <string>
#include <bitset>

using namespace std;

int main(){
    string s = "";
    long long n; cin >> n;
    if(n == 0){
        cout << 0 << endl;
        return 0;
    }
    while(n != 0) {
        int rest = n%(-2);
        if(rest == -1)
            rest = 1;
        s += to_string(rest);
        n = (n - rest)/(-2);
    }
    reverse(s.begin(), s.end());
    cout << s << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:5: error: 'reverse' was not declared in this scope
   21 |     reverse(s.begin(), s.end());
      |     ^~~~~~~
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 1000000007;
typedef long double ld;
const ll INF = 1e+14;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second
 
void solve() {
	int N; cin >> N;
    vector<char> S;

    if ( N % 2 == 0) S[0] = '0'; 
    else { 
        S[0] = '1';
        N -= 1;
        N /= (-2);
    }

    int i = 1;
    while ( N != 0) {
            if (N % 2 == 0) {
                S[i] = '0';
                i ++;
                N /= (-2);
            }
            else {
                S[i] = '1';
                i ++;
                N = (N - 1) / (-2);
            }
        
    }

    stiring s;
    per(j,i) s += S[j];

    cout<< s << endl;

}
int main() {
	solve();
	return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:67:5: error: 'stiring' was not declared in this scope; did you mean 'stdin'?
   67 |     stiring s;
      |     ^~~~~~~
      |     stdin
a.cc:68:14: error: 's' was not declared in this scope
   68 |     per(j,i) s += S[j];
      |              ^
a.cc:70:12: error: 's' was not declared in this scope
   70 |     cout<< s << endl;
      |            ^
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 1000000007;
typedef long double ld;
const ll INF = 1e+14;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second
 
void solve() {
	int N; cin >> N;
    vector<char> S;

    if ( N % 2 == 0) S[0] = '0'; 
    else { 
        S[0] = '1';
        N -= 1;
        N /= (-2);
    }

    int i = 1;
    while ( N != 0) {
            if (N % 2 == 0) {
                S[i] = '0';
                i ++;
                N /= (-2);
            }
            else {
                S[i] = '1';
                i ++;
                N = (N - 1) / (-2);
            }
        
    }

    stinrg s;
    per(j,i) s += S[j];

    cout<< s << endl;

}
int main() {
	solve();
	return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:67:5: error: 'stinrg' was not declared in this scope
   67 |     stinrg s;
      |     ^~~~~~
a.cc:68:14: error: 's' was not declared in this scope
   68 |     per(j,i) s += S[j];
      |              ^
a.cc:70:12: error: 's' was not declared in this scope
   70 |     cout<< s << endl;
      |            ^
Language: Java

import java.util.Scanner;
class Main{
	public static void main(String[]$){
		Scanner sc=new Scanner(System.in);
	int n=sc.nextInt();
	String s="";
	for(;n!=0;n/=-2) {
		if(n%2!=0) {　//奇数 
			n--;s='1'+s;
		}else s='0'+s;
	}
	System.out.println(s);
	}
}

Compiler output:
Main.java:8: error: illegal character: '\u3000'
		if(n%2!=0) {?//?? 
		            ^
1 error
Language: C++

#include <iostream>
#include <string>

using namespace std;

int main() {
  int n;
  cin >> n;
  string s;
  if (n == 0) {
    cout << "0" << endl;
    return 0;
  }

  while (n) {
    if (n % 2) {
      n--;
      s += '1';
    } else {
      s += '0';
    }
    n /= -2;
  }
  reverse(s.begin(), s.end());
  cout << s << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:3: error: 'reverse' was not declared in this scope
   24 |   reverse(s.begin(), s.end());
      |   ^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int exp(int x,int y){
  int ans=1;
  for(int i=0;i<y;i++){
    ans *= x
  }
  return ans;
}
      
int main(){
  int N;
  cin>>N;
  int cnt = 0;
  int vector[N] = {};
  for(int i = N; i>0; i--){
    if(N%exp(2,N-i)==1){
      vector[i]=1
    }
    else{
      vector[i]=0
    }
  }
  
  for(int i =N; i>0;i--){
    cout<<vector[N];
  }
}

Compiler output:
a.cc: In function 'int exp(int, int)':
a.cc:6:13: error: expected ';' before '}' token
    6 |     ans *= x
      |             ^
      |             ;
    7 |   }
      |   ~          
a.cc: In function 'int main()':
a.cc:18:18: error: expected ';' before '}' token
   18 |       vector[i]=1
      |                  ^
      |                  ;
   19 |     }
      |     ~             
a.cc:21:18: error: expected ';' before '}' token
   21 |       vector[i]=0
      |                  ^
      |                  ;
   22 |     }
      |     ~
Language: C++

#include <bits/stdc++.h>
#define REP(i,n) for(int i=0;i<n;i++)
using namespace std;
int 
int main(){
  long long n;
  cin>>n;
  if(n==0){
    cout<<0<<endl;
    return 0;
  }
  
  long long div=2;
  long long l=1;
  //long long m=0;
  string ans="";
  
  while(n!=0){
    if(n%div==0){
      ans = "0" + ans;
    }else{
      ans = "1" + ans;
      n -= l;
    }
    div *=2;
    l *=-2;
  }
  
  cout<<ans<<endl;
  return 0;
}
    

Compiler output:
a.cc:4:1: error: two or more data types in declaration of 'main'
    4 | int
      | ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}
//BEGIN CUT HERE
template<typename T>
vector<T> convert_base(T x,T b){
  vector<T> res;
  T t=1;
  while(x){
    res.emplace_back((x*t)%b);
    if(res.back()<0) res.back()+=b;
    x-=res.back()*t;
    x/=b;
    t*=b/abs(b);
  }
  if(res.empty()) res.emplace_back(0);
  reverse(res.begin(),res.end());
  return res;
}
//END CUT HERE

//INSERT ABOVE HERE
signed ABC105(){
  long long p;
  cin>>p;
  auto ans=convert_base(p,-2LL);
  for(auto x:ans) cout<<x;
  cout<<endl;
  return 0;
}

signed main(){
  ABC105_C();
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:3: error: 'ABC105_C' was not declared in this scope; did you mean 'ABC105'?
   35 |   ABC105_C();
      |   ^~~~~~~~
      |   ABC105
Language: C++

int main(){
   string n;
   cin >> n;
   
cout << n << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:4: error: 'string' was not declared in this scope
    2 |    string n;
      |    ^~~~~~
a.cc:3:4: error: 'cin' was not declared in this scope
    3 |    cin >> n;
      |    ^~~
a.cc:3:11: error: 'n' was not declared in this scope
    3 |    cin >> n;
      |           ^
a.cc:5:1: error: 'cout' was not declared in this scope
    5 | cout << n << endl;
      | ^~~~
a.cc:5:14: error: 'endl' was not declared in this scope
    5 | cout << n << endl;
      |              ^~~~
Language: C++

int main(){
   string n;
   cin >> n;
   cout << n << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:2:4: error: 'string' was not declared in this scope
    2 |    string n;
      |    ^~~~~~
a.cc:3:4: error: 'cin' was not declared in this scope
    3 |    cin >> n;
      |    ^~~
a.cc:3:11: error: 'n' was not declared in this scope
    3 |    cin >> n;
      |           ^
a.cc:4:4: error: 'cout' was not declared in this scope
    4 |    cout << n << endl;
      |    ^~~~
a.cc:4:17: error: 'endl' was not declared in this scope
    4 |    cout << n << endl;
      |                 ^~~~
a.cc:4:22: error: expected '}' at end of input
    4 |    cout << n << endl;
      |                      ^
a.cc:1:11: note: to match this '{'
    1 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  long long int n;
  cin>>n;
  string s="";
  
  while(n){
    if(n%2){
      n--;
      s='1'+s;
    }
    else {
      s='0'+s;
    }
    
    n/=-2;
 
  }
  cout<<s<<endl;
  #include <bits/stdc++.h>
using namespace std;
 
int main(){
  long long int n;
  cin>>n;
  string s="";
  
  while(n){
    if(n%2){
      n--;
      s='1'+s;
    }
    else {
      s='0'+s;
    }
    
    n/=-2;
 
  }
  if(s=="")
    cout<<0;
  cout<<s<<endl;
  return 0;
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   25 | int main(){
      |         ^~
a.cc:25:9: note: remove parentheses to default-initialize a variable
   25 | int main(){
      |         ^~
      |         --
a.cc:25:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:25:11: error: a function-definition is not allowed here before '{' token
   25 | int main(){
      |           ^