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

#include<bits/stdc++.h>
using namespace std;
int n;
int x=2;
int main(){
  cin>>n;
  for(n>=x)x*=2;
  cout<<x/2;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected ';' before ')' token
    7 |   for(n>=x)x*=2;
      |           ^
      |           ;
a.cc:9:3: error: expected primary-expression before 'return'
    9 |   return 0;
      |   ^~~~~~
a.cc:8:13: error: expected ')' before 'return'
    8 |   cout<<x/2;
      |             ^
      |             )
    9 |   return 0;
      |   ~~~~~~     
a.cc:7:6: note: to match this '('
    7 |   for(n>=x)x*=2;
      |      ^
Language: C++

#include <iostream>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <ctime>
#include <cstring>
#include <string>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <map>
#include <set>
#include <bitset>
#include <numeric>
#include <utility>
#include <iomanip>
#include <algorithm>
#include <functional>
using namespace std;

#define COUT(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl
#define EACH(i, s) for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i)

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<class T1, class T2> ostream& operator << (ostream &s, pair<T1,T2> P)
{ return s << '<' << P.first << ", " << P.second << '>'; }
template<class T> ostream& operator << (ostream &s, vector<T> P)
{ for (int i = 0; i < P.size(); ++i) { if (i > 0) { s << " "; } s << P[i]; } return s; }
template<class T> ostream& operator << (ostream &s, vector<vector<T> > P)
{ for (int i = 0; i < P.size(); ++i) { s << endl << P[i]; } return s << endl; }
template<class T1, class T2> ostream& operator << (ostream &s, map<T1,T2> P)
{ EACH(it, P) { s << "<" << it->first << "->" << it->second << "> "; } return s << endl; }

int N;
int main() {
  cin >> N;
  res = 1;
  while (res <= N) res *= 2;
  cout << res/2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:3: error: 'res' was not declared in this scope
   40 |   res = 1;
      |   ^~~
Language: C

#include<stdio.h>
#include<math.h>
int main()
{
    int a,i,d[101];
    d[0]=1;
    while (scanf("%d".&a)!=EOF)
    {
        int b=0;
        for(i=0;i<=a;i++)
        {
            d[i]=pow(2,i);
            if(d[i]>a)
            {
                b=d[i-1];
                break;
            }
        }
        printf("%d\n",b);
    }
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:23: error: expected identifier before '&' token
    7 |     while (scanf("%d".&a)!=EOF)
      |                       ^
Language: C

#include<stdio.h>
#include<math.h>
int main()
{
    int a,i,d[101];
    j[0]=1;
    while (scanf("%d".&a)!=EOF)
    {
        int b=0;
        for(i=0;i<=a;i++)
        {
            j[i]=pow(2,i);
            if(j[i]>a)
            {
                b=j[i-1];
                break;
            }
        }
        printf("%d\n",b);
    }
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:6:5: error: 'j' undeclared (first use in this function)
    6 |     j[0]=1;
      |     ^
main.c:6:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:23: error: expected identifier before '&' token
    7 |     while (scanf("%d".&a)!=EOF)
      |                       ^
Language: C

#include<stdio.h>
int main()
{
    int N;
    while(scanf("%d",&N)!=EOF)
    {
        if(N>=100)&&(N<=999)
        {
        printf("%dth round of ABC is ABC%d.\n",N,N);
        }
    }
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:21: error: expected identifier before '(' token
    7 |         if(N>=100)&&(N<=999)
      |                     ^
Language: C

include<stdio.h>

int main(){
    int n,r=1;
    scanf("%d",&n);
    while(1){if(n<r*2){printf("%d\n",r);return 0;}r*=2;}
    return 0;
}

Compiler output:
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include<stdio.h>
      |        ^
Language: Java

import java.util.Scanner;
public class Main{

public static void main(String[] args){
  Scanner inp = new Scanner(System.in);
  String u = input.nextLine();
  int aPos = -1;
  int zPos = u.length();
  for(int i = u.length() - 1; i > 0; i--){
    String chr = u.substring(i - 1,i);
    if(chr.equals("A"))
      aPos = i;
     
  }
  for(int j = aPos; j < u.length() - 1; j++){
    String chr2 = u.substring(j,j+ 1);
    if(chr2.equals("Z"))
      zPos = j;
  }
  System.out.println(zPos - aPos + 1); 
}
}


Compiler output:
Main.java:6: error: cannot find symbol
  String u = input.nextLine();
             ^
  symbol:   variable input
  location: class Main
1 error
Language: Java

import java.util.*;
public class Main{

public static void main(String[] args){
  Scanner inp = new Scanner(System.in);
  String u = input.nextLine();
  int aPos = -1;
  int zPos = u.length();
  for(int i = u.length() - 1; i > 0; i--){
    String chr = u.substring(i - 1,i);
    if(chr.equals("A"))
      aPos = i;
     
  }
  for(int j = aPos; j < u.length() - 1; j++){
    String chr2 = u.substring(j,j+ 1);
    if(chr2.equals("Z"))
      zPos = j;
  }
  System.out.println(zPos - aPos + 1); 
}
}


Compiler output:
Main.java:6: error: cannot find symbol
  String u = input.nextLine();
             ^
  symbol:   variable input
  location: class Main
1 error
Language: C++

int main(){
	int num;
	int mostNum = 1;
	int mostTimes = 0;
	int counter;
	cin >> num;
	for(int i = num; i >= 1; i--){
		counter = 0;
		int number = i;
		while(number>1 && number % 2 == 0){
			number = number / 2;
			counter++;
		}
		if(counter > mostTimes){
			mostTimes = counter;
			mostNum = i;
		}
	} 
	cout << mostNum << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> num;
      |         ^~~
a.cc:19:9: error: 'cout' was not declared in this scope
   19 |         cout << mostNum << endl;
      |         ^~~~
a.cc:19:28: error: 'endl' was not declared in this scope
   19 |         cout << mostNum << endl;
      |                            ^~~~
Language: Java

import java.util.Scanner;
class Break_Number
{
    static void main()
    {
        Scanner sc=new Scanner(System.in);
        n=sc.nextInt();
        int i=0;
        while((int)(Math.pow(2,i))<=n)
        {
            i++;
        }
        i--;
        System.out.println((int)(Math.pow(2,i)));
    }
}
        

Compiler output:
Main.java:7: error: cannot find symbol
        n=sc.nextInt();
        ^
  symbol:   variable n
  location: class Break_Number
Main.java:9: error: cannot find symbol
        while((int)(Math.pow(2,i))<=n)
                                    ^
  symbol:   variable n
  location: class Break_Number
2 errors
Language: Java

import java.util.Scanner;
public class Break_Number
{
    static void main()
    {
        Scanner sc=new Scanner(System.in);
        int n=0;
        outer:while(true)
        {
            n=sc.nextInt();
            if(n>100)
            continue;
            else
            break outer;
        }
        int i=0;
        while((int)(Math.pow(2,i))<=n)
        {
            i++;
        }
        i--;
        System.out.println((int)(Math.pow(2,i)));
    }
}
        

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

#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
	int n,ans=64,c[101]={0};
	cin>>n;
	while(true)
	{
		if(n<ans)
		{
			ans /=2;
		}
		else
		{
			cout<<ans<<endl
		}
	}
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:40: error: expected ';' before '}' token
   16 |                         cout<<ans<<endl
      |                                        ^
      |                                        ;
   17 |                 }
      |                 ~
Language: C++

#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <functional>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <vector>

using namespace std;

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

    int N;
    cin >> N;

    for (i = 6; i >= 0; i--) {
       int c = 2**i;
       if (c <= N) {
          cout << c << endl;
          return 0;
       }
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:10: error: 'i' was not declared in this scope
   24 |     for (i = 6; i >= 0; i--) {
      |          ^
Language: C++

// ConsoleApplication1.cpp : コンソール アプリケーションのエントリ ポイントを定義します。
//

#pragma warning(disable:4996)

#include "stdafx.h"

#include <stdio.h>


static int dev2(int i)
{
	int devcnt = 0;

	if (i == 0) {
		return 1;
	}

	while (i % 2 == 0) {
		devcnt++;
		if ((i = i / 2) == 0) {
			break;
		}
	}

	return devcnt;
}

int main(void)
{
	int n, i, devcnt, topcnt = 0;
	int topnum = 0;

	scanf("%d", &n);

	for (i = 0; i < n; i++) {
		devcnt = dev2(i);
		if (devcnt > topcnt) {
			topcnt = devcnt;
			topnum = i;
		}
	}

	printf("%d", topnum);

	return 0;
}


Compiler output:
a.cc:6:10: fatal error: stdafx.h: No such file or directory
    6 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

#include <stdio.h>

static int dev2(int i)
{
	int devcnt = 0;

	if (i == 0) {
		return 1;
	}

	while (i % 2 == 0) {
		devcnt++;
		if ((i = i / 2) == 0) {
			break;
		}
	}

	return devcnt;
}

int main(void)
{
	int n, i, devcnt, topcnt = 0;
	int topnum = 0;

	scanf_s("%d", &n);

	for (i = 0; i < n; i++) {
		devcnt = dev2(i);
		if (devcnt > topcnt) {
			topcnt = devcnt;
			topnum = i;
		}
	}

	printf("%d", topnum);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   26 |         scanf_s("%d", &n);
      |         ^~~~~~~
      |         scanf
Language: C++

#include <stdio.h>

int main(void)
{
	int n, i, devcnt, topcnt = 0;
	int topnum = 0;
	
	/* 数値（N）入力 */
	scanf("%d", &n);
	
	for (i = 0; i < n; i++) {
		devcnt = dev2(i);
		if (devcnt > topcnt) {
			topcnt = devcnt;
			topnum = i;
		}
	}
	
	printf("%d", topnum);
	
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:26: error: 'dev2' was not declared in this scope
   12 |                 devcnt = dev2(i);
      |                          ^~~~
Language: C

#include <stdio.h>

int main(void)
{
	int n, i, devcnt, topcnt = 0;
	int topnum = 0;
	
	/* 数値（N）入力 */
	scanf("%d", &n);
	
	for (i = 0; i < n; i++) {
		devcnt = dev2(i);
		if (devcnt > topcnt) {
			topcnt = devcnt;
			topnum = i;
		}
	}
	
	printf("%d", topnum);
	
	return 0;
}


Compiler output:
main.c: In function 'main':
main.c:12:26: error: implicit declaration of function 'dev2' [-Wimplicit-function-declaration]
   12 |                 devcnt = dev2(i);
      |                          ^~~~
Language: C++

#include <bits/stdc++.h>

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

    for (int i = 0; i < 9; ++i) {
        if (pow(2, i) > n) {
            if (i == 0) {
                cout << n << endl;
            }
            else {
                cout << pow(2, i - 1) << endl;
            }
        }
    }


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin >> n;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:10:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |                 cout << n << endl;
      |                 ^~~~
      |                 std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:30: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |                 cout << n << endl;
      |                              ^~~~
      |                              std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:13:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   13 |                 cout << pow(2, i - 1) << endl;
      |                 ^~~~
      |                 std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:13:42: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   13 |                 cout << pow(2, i - 1) << endl;
      |                                          ^~~~
      |                                          std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<iostream>
using namespace std;

int ans[8] = {1,2,4,8,16,32,64,128};

int main(){
 
  int n;

  cin >> n;

  for(int i=0;i<8;i++){
     if(ans[i] > n){
       cout << ans[i-1] << endl;
  }
 
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:2: error: expected '}' at end of input
   18 | }
      |  ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main(){
	int i,N,count=0;
	int a[8];
        cin >> N;
	a[0]=1;
if(N==0){cout << 1};

	for(i=1;i<=7;i++){
		a[i]=a[i-1]*2;
	}

	for(i=0;i<=7;i++){
		if(N>a[i]){
			count=a[i];
		}
	}
        cout << count;
	return 0;
}		
		


Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: expected ';' before '}' token
    9 | if(N==0){cout << 1};
      |                   ^
      |                   ;
Language: C++

#include<iostream>
using namespace std;

int main(){
	int i,N,count=0;
	int a[8];
        cin >> N;
	a[0]=1;
if(N==0){cout << 1;);

	for(i=1;i<=7;i++){
		a[i]=a[i-1]*2;
	}

	for(i=0;i<=7;i++){
		if(N>a[i]){
			count=a[i];
		}
	}
        cout << count;
	return 0;
}		
		


Compiler output:
a.cc: In function 'int main()':
a.cc:9:20: error: expected primary-expression before ')' token
    9 | if(N==0){cout << 1;);
      |                    ^
a.cc:22:8: error: expected '}' at end of input
   22 | }
      |  ^      
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main(){
	int i,N,count=0;
	int a[8];
        cin >> N;
	a[0]=1;
if(N==0){cout << 1);

	for(i=1;i<=7;i++){
		a[i]=a[i-1]*2;
	}

	for(i=0;i<=7;i++){
		if(N>a[i]){
			count=a[i];
		}
	}
        cout << count;
	return 0;
}		
		


Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: expected ';' before ')' token
    9 | if(N==0){cout << 1);
      |                   ^
      |                   ;
a.cc:22:8: error: expected '}' at end of input
   22 | }
      |  ^      
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: Java

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskB solver = new TaskB();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskB {
        int f(int x) {
            int c = 0;
            while (x % 2 == 0) {
                x /= 2;
                ++c;
            }
            return c;
        }

        public void solve(int testNumber, InputReader in, PrintWriter out) {
            int n = in.nextInt();
            int max = 0, res = 1;
            for (int i = 1; i <= n; ++i) {
                if (f(i) > max) {
                    res = i;
                    max = Math.max(max, f(i));
                }
            }
            out.println(res);
        }

    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);


Compiler output:
Main.java:55: error: reached end of file while parsing
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
                                                                              ^
1 error
Language: C++

#include<iostream>
using namespace std;
int main(){
     int n;
    cin>>n;
    for(int i=0;i<20;i++){
         if(n<(1<<(i+1)){
                cout<<(1<<i)<<endl;
                break;  
           }
       }
     return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:25: error: expected ')' before '{' token
    7 |          if(n<(1<<(i+1)){
      |            ~            ^
      |                         )
a.cc:11:8: error: expected primary-expression before '}' token
   11 |        }
      |        ^
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) {;
		try {
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in), 1);
			String s = br.readLine();
			int N = Integer.valueOf(s);
			if (N < 1 || N > 100)
				System.exit(0);
			
			int max = 0; 
			int maxNum = 0;
			for (int i = 1; i <= N; i++) {
				int num = calc(i);
				if (maxNum < num) {
					max = i;
					maxNum = num;
				}
			}
			System.out.println(max);
			
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	protected static int calc(int N) {
		int i = 0;
		while (N % 2 == 0) {
			N = N / 2;
			i++;
		}
		return i;
	}

Compiler output:
Main.java:38: error: reached end of file while parsing
	}
	 ^
1 error
Language: C

#include <stdio.h>
int main(){
    int n;
    scanf("%d",&n);
    if(n<2) printf("1\n", );
    if(n>=2 && n<3) printf("2\n");
    if(n>=4 && n<8) printf("4\n");
    if(n>=8 && n<16)printf("8\n");
    if(n>=16 && n<32)printf("16\n");
    if(n>=32 && n<64)printf("32\n");
    if(n>=64)printf("64\n");

    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:5:27: error: expected expression before ')' token
    5 |     if(n<2) printf("1\n", );
      |                           ^
Language: C++

    #include <iostream>
    #include <cstdio>
     
    using namespace std;
    int n;
     
    int main()
    {
    ios_base:sync_with_stdio(0);
    cin >> n;
    int dem=0;
while (n%2==0)
{
dem++;
n/=2;
}
cout << dem << '\n';
    return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: 'sync_with_stdio' was not declared in this scope
    9 |     ios_base:sync_with_stdio(0);
      |              ^~~~~~~~~~~~~~~
Language: C++

#include <iostream>
 
using namespace std;
 
int main() {
    int N;
    cin >> N;
    int ans = 0;
    while (N > 1) {
        ans++;
        N /= 2;
    }
    cout << ans << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:13:25: error: expected '}' at end of input
   13 |     cout << ans << endl;
      |                         ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C

#include<stdio.h>
 
int main(){
    int n,i;
    scanf("%d",&a);
    for (i=64; i>=0; i/=2){
        if(i <= n) {
            printf("%d¥n",n);
            return 0;
        }
    }
    printf("1¥n");
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:17: error: 'a' undeclared (first use in this function)
    5 |     scanf("%d",&a);
      |                 ^
main.c:5:17: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void) {
	int n;
	scanf("%d",&n);
	int arr[n+1];
	int i;
	for(i=0;i<=n;i++)
	{
		arr[i]=0;
	}
	int d;
	for(i=0;i<=n;i=i+2)
	{
		d=i;
		while(d%2==0)
		{
			
			arr[i]++;
			d=d/2;
		
		}
	}
	int max=0,maxindex;
	for(i=0;i<=n;i++)
	{
		if(max<arr[i])
		{
max=arr[i]			
maxindex=i;
		}
	}
	printf("%d\n", maxindex);
	return 0;
}


Compiler output:
main.c: In function 'main':
main.c:29:16: error: expected ';' before 'maxindex'
   29 | max=arr[i]
      |           ^     
      |                ;
   30 | maxindex=i;
      | ~~~~~~~~
Language: C++

import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int maxCnt = 0;
        int cntNum = 1;
        for (int i = 1; i <= n; i++) {
            int cnt = 0;
            int num = i;
            while (num % 2 == 0) {
                cnt++;
                num /= 2;
            }
            if (cnt >= maxCnt) {
                maxCnt = cnt;
                cntNum = i;
            }
        }
        System.out.println(cntNum);
    }
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.io.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: expected unqualified-id before 'public'
    4 | public class Main {
      | ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int MAX = 10005;
const int MOD = 1e9+7;
const int INF = 0x3f3f3f3f;

int main()
{
    int n;
    cin >> n;
    int ans;
    int ma = 0;
    for(int i = 1; i <= n; ++i)
    {
        int t = i;
        int now = 0;
        while(t%2 == 0)
        {
            now++;
            t /= 2;
        }
        if(now > ma) ma = now, ans = i;
    }
    cout << i << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:13: error: 'i' was not declared in this scope
   25 |     cout << i << endl;
      |             ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
    int n;
    cin>>n;
    int i=1
    for(;i<=n;){
        i<<1;
    }
    i>>1;
    cout<<i;
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: expected ',' or ';' before 'for'
    8 |     for(;i<=n;){
      |     ^~~
a.cc:8:15: error: expected primary-expression before ')' token
    8 |     for(;i<=n;){
      |               ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;){
        i = i<<1;
     }
    i>>1;
   cout<<i;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'i' was not declared in this scope
   10 |     i>>1;
      |     ^
Language: C++

#include <stdio.h> 
int main()
{
int i;
scanf"%d", &i);
int count = 0;
while (1) {
if (i % 2 == 0) {
count++;
i /= 2;
} else {
break;
}
printf("%d", count);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:6: error: expected ';' before string constant
    5 | scanf"%d", &i);
      |      ^~~~
      |      ;
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:3:1: note: to match this '{'
    3 | {
      | ^
Language: Java

import java.io.*;
import java.util.*;

public class Main {

	public static void main(String[] args) throws IOException{
		FastScanner f = new FastScanner(); //Replace "problem" with problem name
        
        int[] powers = {1,2,4,8,16,32,64};
        int n = f.nextInt();
        for(int i = 0; i < powers.length; i++){
        	if (n > powers[i]){
        		break;
        	}
        }
        System.out.println(i-1);
	}

	public static class FastScanner {
        BufferedReader br;
        StringTokenizer st;

        public FastScanner(String s) {
            try {
                br = new BufferedReader(new FileReader(s));
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            }
        }

        public FastScanner() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String nextToken() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        String nextLine() {
            st = null;
            try {
                return br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return null;
        }

        int nextInt() {
            return Integer.parseInt(nextToken());
        }

        long nextLong() {
            return Long.parseLong(nextToken());
        }

        double nextDouble() {
            return Double.parseDouble(nextToken());
        }
    }
}


Compiler output:
Main.java:16: error: cannot find symbol
        System.out.println(i-1);
                           ^
  symbol:   variable i
  location: class Main
1 error
Language: C++

#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
//---------------------------------------------------------------------------------------------------
/*---------------------------------------------------------------------------------------------------
　　　　　　　　　　　 ∧＿∧  
　　　　　 ∧＿∧ 　（´<_｀ ）　 Welcome to My Coding Space!
　　　　 （ ´_ゝ`）　/　 ⌒i     
　　　　／　　　＼　 　  |　|     
　　　 /　　 /￣￣￣￣/　　|  
　 ＿_(__ﾆつ/　    ＿/ .| .|＿＿＿＿  
　 　　　＼/＿＿＿＿/　（u　⊃  
---------------------------------------------------------------------------------------------------*/



int N;
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> N;
    int macnt = 0, ans = -1;
    rep(x, 1, N + 1) {
        int cnt = 0;
        int y = x;
        while (y % 2 == 0) y /= 2, cnt++;
        if (macnt < cnt) macnt = cnt, ans = x;
    }

    cout << x << endl;
}

Compiler output:
a.cc: In function 'void _main()':
a.cc:32:13: error: 'x' was not declared in this scope
   32 |     cout << x << endl;
      |             ^
Language: C

#include <stdio.h>
int main()
{
	int a;
	int b=0;
	int c=0;
	scanf("%d",&a);
	if(a!=0){
		if(a%2==0)
		{
			a/2=a;
			b++;
		}
		a--;
		if(b>=c)
		{
			c=b;
		}
		b=0;
	}
	printf("%d",c);
}

Compiler output:
main.c: In function 'main':
main.c:11:28: error: lvalue required as left operand of assignment
   11 |                         a/2=a;
      |                            ^
Language: C

#include <stdio.h>
int main()
{
	int a;
	int b=0;
	int c=0;
	scanf("%d",%a);
	if(a!=0){
		if(a%2==0)
		{
			a/2=a;
			b++;
		}
		a--;
		if(b>=c)
		{
			c=b;
		}
		b=0;
	}
	printf("%d",c);
}

Compiler output:
main.c: In function 'main':
main.c:7:20: error: expected expression before '%' token
    7 |         scanf("%d",%a);
      |                    ^
main.c:11:28: error: lvalue required as left operand of assignment
   11 |                         a/2=a;
      |                            ^
Language: C

#include <stdio.h>
int main()
{
	int a,b=0;
	int c=0;d;
	scanf("%d",%a);
	if(a!=0){
		if(a%2==0)
		{
			a/2=a;
			b++;
		}
		a--;
		if(b>=c)
		{
			c=b;
		}
		b=0;
	}
	printf("%d",c);
}

Compiler output:
main.c: In function 'main':
main.c:5:17: error: 'd' undeclared (first use in this function)
    5 |         int c=0;d;
      |                 ^
main.c:5:17: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:20: error: expected expression before '%' token
    6 |         scanf("%d",%a);
      |                    ^
main.c:10:28: error: lvalue required as left operand of assignment
   10 |                         a/2=a;
      |                            ^
Language: C++

#include<iostream>
#include<algorithm>
#include<vector>
#include<cstdio>
#include<list>
#include<queue>
#include<string.h>
#include<functional>
#include<stack>
#include<deque>
#include<string>
#include<limits.h>
#include<map>
#include<set>
#include<unordered_map>
#include<unordered_set>
#define int long long
using namespace std;

signed main(){
	int a; cin >> a;
	int ans = 0;
	while (a > 1) {
		ans++;
		a /= 2;
	}
	cout << pow(2,ans) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:17: error: 'pow' was not declared in this scope
   27 |         cout << pow(2,ans) << endl;
      |                 ^~~
Language: C++

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

void main() {
        char num_char[100];
        scanf("%[0123456789]", &num_char);

	if(num < 1 || num_char > 100) {
	        printf("数値1-100の範囲で入力してください.\n");
	        return;
	}
	int num = atoi(num_char);
	int amari;
	int wari_num=0;
	int result=0;
	int bestRecord =0;

	for (int i=0 ; i <= num ; ++i) {
		wari_num = 0;
		while(1) {
			amari = num%2;
			if(amari == 1 || i == 1){
				break;
			}
			wari_num++;
		}
		if(result < wari_num){
			result= wari_num;
			bestRecord = i;
		}
	}
	printf("%d\n",bestRecord);
    return;
}



Compiler output:
a.cc:4:1: error: '::main' must return 'int'
    4 | void main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:8:12: error: 'num' was not declared in this scope; did you mean 'enum'?
    8 |         if(num < 1 || num_char > 100) {
      |            ^~~
      |            enum
a.cc:8:32: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    8 |         if(num < 1 || num_char > 100) {
      |                       ~~~~~~~~~^~~~~
a.cc:10:17: error: return-statement with no value, in function returning 'int' [-fpermissive]
   10 |                 return;
      |                 ^~~~~~
a.cc:12:19: error: 'atoi' was not declared in this scope
   12 |         int num = atoi(num_char);
      |                   ^~~~
a.cc:33:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
   33 |     return;
      |     ^~~~~~
Language: C

#include<stdio.h>
int main(void) {
	int N;
	int i, j;
	int M;
	int count;
	int max = 0;
	scanf_s("%d", &N);
	if (N >= 64) {
		max = 64;
	}
	else if (N > 32) {
		max = 32;
	}
	else if (N > 16) {
		max = 16;
	}
	else if (N > 8) {
		max = 8;
	}
	else if (N > 4) {
		max = 4;
	}
	else if (N > 2) {
		max = 2;
	}
	else {
		max = 1;
	}
	printf("%d", max);
}

Compiler output:
main.c: In function 'main':
main.c:8:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    8 |         scanf_s("%d", &N);
      |         ^~~~~~~
      |         scanf
Language: C

#include <stdio.h>
int waru(int x);
int main(){
    int input,i;
    scanf("%d",&input);
    if(input<=2){
        printf("%d\n",input);
    }
    for(i=input;i>1;i--){
        if(waru(i)==1){
            printf("%d\n",i);
            break;
        }
    }
    return 0;
}

int waru(int x){
    while(x!=0){
        if(x%2!=0){
            return -1;
        }
        x=/2;
    }
    return 1;
}

Compiler output:
main.c: In function 'waru':
main.c:23:11: error: expected expression before '/' token
   23 |         x=/2;
      |           ^
Language: C

#include <stdio.h>
int waru(int x);
int main(){
    int input,i;
    scanf("%d",&input);
    if(i<2){
        printf("%d\n",input);
    }
    for(i=input;i>1;i--){
        if(waru(i)==1){
            printf("%d\n",i);
            break;
        }
    }
    
    return 0;
}

int waru(int x){
    while(x>1){
        x=x%2;
    }
    if(x==0){
        return 1;
    }else{
        

Compiler output:
main.c: In function 'waru':
main.c:25:5: error: expected declaration or statement at end of input
   25 |     }else{
      |     ^
main.c:25:5: error: expected declaration or statement at end of input
Language: C++

	
	size_t N;
	std::cin >> N;

	size_t t{0};
	for (size_t i{ 0 }; i < 7;i++) {
		if ( x[i]<=N) { t = i; }
	}
	std::cout << x[t] << "\n";
	

Compiler output:
a.cc:2:9: error: 'size_t' does not name a type
    2 |         size_t N;
      |         ^~~~~~
a.cc:1:8: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
  +++ |+#include <cstddef>
    1 | 
a.cc:3:14: error: 'cin' in namespace 'std' does not name a type
    3 |         std::cin >> N;
      |              ^~~
a.cc:1:8: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | 
a.cc:5:9: error: 'size_t' does not name a type
    5 |         size_t t{0};
      |         ^~~~~~
a.cc:5:9: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
a.cc:6:9: error: expected unqualified-id before 'for'
    6 |         for (size_t i{ 0 }; i < 7;i++) {
      |         ^~~
a.cc:6:29: error: 'i' does not name a type
    6 |         for (size_t i{ 0 }; i < 7;i++) {
      |                             ^
a.cc:6:35: error: 'i' does not name a type
    6 |         for (size_t i{ 0 }; i < 7;i++) {
      |                                   ^
a.cc:9:14: error: 'cout' in namespace 'std' does not name a type
    9 |         std::cout << x[t] << "\n";
      |              ^~~~
a.cc:9:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    9 |         std::cout << x[t] << "\n";
      |         ^~~
Language: C

#include <stdio.h>

int main(void) {
    int n;
    int b;
    int a[100];
    int i;
    scanf ("%d",&n);
    for (i = 1;i <= n;i++){
        for (;i % 2 == 0;){
                a[i] += 1;
            }
        }
        if(a[i] > a[i-1]){
            b = i;
        }
    }
    printf("%d\n",b);
    return 0;
}

Compiler output:
main.c:18:12: error: expected declaration specifiers or '...' before string constant
   18 |     printf("%d\n",b);
      |            ^~~~~~
main.c:18:19: error: unknown type name 'b'
   18 |     printf("%d\n",b);
      |                   ^
main.c:19:5: error: expected identifier or '(' before 'return'
   19 |     return 0;
      |     ^~~~~~
main.c:20:1: error: expected identifier or '(' before '}' token
   20 | }
      | ^
Language: C


#include <stdio.h>int main(){    int input,y=2,x=1;    scanf("%d",&input);    if(input<2){        printf("0\n");    }else if(input==2){        printf("1\n");    }    while(y<=input){       y*=2;    }       x+=1;    printf("%d\n",x-1);    return 0;}



Compiler output:
main.c:2:19: warning: extra tokens at end of #include directive
    2 | #include <stdio.h>int main(){    int input,y=2,x=1;    scanf("%d",&input);    if(input<2){        printf("0\n");    }else if(input==2){        printf("1\n");    }    while(y<=input){       y*=2;    }       x+=1;    printf("%d\n",x-1);    return 0;}
      |                   ^~~
/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 <iostream>
using namespace std;
int main(void){
    int a,b=0,ans,max=-1;
    cin>>a;
    for(int i=1;i<=a;i++){
        for(int j=2;;j*=2){
            if(i%j==0)b=b+1;
            else break;
        }
        if(b>max){
            max=b;
            ans=i;
        }
    }
    cout<<ans<<endl;
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:17:14: error: expected '}' at end of input
   17 |     return 0;
      |              ^
a.cc:3:15: note: to match this '{'
    3 | int main(void){
      |               ^
Language: C

#include <stdio.h>
int main(void){
	int n;
	scanf("%d",&n);
	if(n<2){
		printf("1");
	}else if(n<4){
		printf("2");
	}else if(n<8){
		printf("4");
	}else if(n<16){
		printf("8");
	}else if(n<32){
		prinf("16");
	}else if(n<64){
		printf("32");
	}else{
		printf("64");
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:17: error: implicit declaration of function 'prinf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   14 |                 prinf("16");
      |                 ^~~~~
      |                 printf
Language: C++

#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;
int main()
{
    int n;
    scanf("%d",&n);
    if(64<=n) puts("64");
    else if(32<=n) puts("32");
    else if(16<=n) puts("16");
    else if(8<=n) puts("8');
    else if(4<=n) puts("4");
    else if(2<=n) puts("2);
    else puts("1");
    return 0;
}

Compiler output:
a.cc:15:24: warning: missing terminating " character
   15 |     else if(8<=n) puts("8');
      |                        ^
a.cc:15:24: error: missing terminating " character
   15 |     else if(8<=n) puts("8');
      |                        ^~~~~
a.cc:17:24: warning: missing terminating " character
   17 |     else if(2<=n) puts("2);
      |                        ^
a.cc:17:24: error: missing terminating " character
   17 |     else if(2<=n) puts("2);
      |                        ^~~~
a.cc: In function 'int main()':
a.cc:16:5: error: expected primary-expression before 'else'
   16 |     else if(4<=n) puts("4");
      |     ^~~~
a.cc:18:5: error: expected primary-expression before 'else'
   18 |     else puts("1");
      |     ^~~~
Language: C

#include <stdio.h>
int main(){
    int input,y=2,x=0;
    scanf("%d",&input);
    while(y<input){
        y=y*2
        x++;
    }
    printf("%d\n", x);
    return

Compiler output:
main.c: In function 'main':
main.c:6:14: error: expected ';' before 'x'
    6 |         y=y*2
      |              ^
      |              ;
    7 |         x++;
      |         ~     
main.c:10:5: error: expected expression at end of input
   10 |     return
      |     ^~~~~~
main.c:10:5: error: expected declaration or statement at end of input
Language: C

#include <stdio.h>
int main(){
    int input,y=2,x=0;
    scanf("%d",&input);
    while(y<input){
        y=y*2
    }
    printf("%d\n", y);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:14: error: expected ';' before '}' token
    6 |         y=y*2
      |              ^
      |              ;
    7 |     }
      |     ~
Language: Java

public class Main {

    public static void main(String args[]){

    	Scanner scan = new Scanner(System.in);
    	int n = Integer.parseInt(scan.next());
    	scan.close();
    	int waru;
    	int max = 0;
    	int cnt = 0;
    	int max_num = 1;

    	while(n > 0){
    		cnt = 0;
    		waru = n;
        	while(waru % 2 == 0){
        		cnt++;
        		waru = waru / 2;
        	}
        	if(max < cnt){
        		max = cnt;
        		max_num = n;
        	}
        	n--;

    	}
    	System.out.println(max_num);
    }
}

Compiler output:
Main.java:5: error: cannot find symbol
    	Scanner scan = new Scanner(System.in);
    	^
  symbol:   class Scanner
  location: class Main
Main.java:5: error: cannot find symbol
    	Scanner scan = new Scanner(System.in);
    	                   ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include<iostream>
using namespace std;

int main() {
	int a;
	int i;
	cin >> a;
	for (i = 1; i <= a; i++) {
		if (i*i > a) { break; }
	}
	printf("%d", (int)pow(2,i-1));
	system("pause");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:27: error: 'pow' was not declared in this scope
   11 |         printf("%d", (int)pow(2,i-1));
      |                           ^~~
Language: C

#include<stdio.h>
using namespace std;
int main()
{
	int n;
    scanf("%d",&n);
    if(n==1)
    	printf("%d\n",&n);
    if(2<=n&&n<4)
    	printf("2\n");
    if(4<=n&&8>n)
    	printf("4\n");
    if(8<=n&&n<16)
    	printf("8\n");
    if(16<=n&&n<32)
    	printf("16\n");
    if(32<=n&&64>n)
    	printf("32\n");
    if(62<=n&&n<=100)
    	printf("64\n");
    	return 0;
}


Compiler output:
main.c:2:1: error: unknown type name 'using'
    2 | using namespace std;
      | ^~~~~
main.c:2:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
    2 | using namespace std;
      |                 ^~~
Language: C++

#include<iostream>

using namespace std;

int main(){

int n;
cin >>n;

for(int i=0;;i++){

if(2^i<=n&&n<2^(i+1)){
cout<<2^i<<endl;
return 0;
}
}
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:10: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   13 | cout<<2^i<<endl;
      |         ~^~~~~~
Language: C

#include<stdio.h>
int main(void)
{
  int k=2,i,N,a[100];

  scanf("%d",&N);

  while(k < N){
    k=k*2
      }


  if(k == 1){
    k=0;
  } else {
    k=k/2;
  }
  printf("%d",k);

    
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:9:10: error: expected ';' before '}' token
    9 |     k=k*2
      |          ^
      |          ;
   10 |       }
      |       ~
Language: C++

#include <sstream>
#include <stdio.h>
#define rep(x,y) for(int x = 0; x < (y); x++)
#define REP(x,z,y) for(int x = (z); x < (y); x++)
#define all(x) x.begin(),x.end()
#define length(x) (sizeof(x) / sizeof(x[0]))
#define split_str(str,sp_word) istringstream stream(str); string res; while(getline(stream,res,sp_word))
#define rm_space(x) x.erase(remove(all(x),' '),x.end())

using namespace std;

int main(){
  int N;
  scanf("%d",&N);
  int buff = 0;
  int anser = 1;
  REP(i,1,N){
   int tmp = i;
   int cnt = 0;
   while(tmp % 2 == 0){
     tmp = tmp / 2;
     cnt++;
   }
   if(buff < cnt){
     buff = cnt;
     anser = i;
   }
  }
  printf("%d\n",anser);
  return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:30:12: error: expected '}' at end of input
   30 |   return 0;
      |            ^
a.cc:12:11: note: to match this '{'
   12 | int main(){
      |           ^
Language: C++

#include <iostream>
#include <sstream>
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

int main(void){
	int n; cin >> n;
	int m=-1;
	while(pow(2,++m)<n);
	cout << pow(2,m) << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: 'pow' was not declared in this scope
   11 |         while(pow(2,++m)<n);
      |               ^~~
a.cc:12:17: error: 'pow' was not declared in this scope
   12 |         cout << pow(2,m) << endl;
      |                 ^~~
Language: C++

#include<set>
#include<map>
#include<stack>
#include<queue>
#include<deque>
#include<cstdio>
#include<string>
#include<vector>
#include<math.h>
#include<time.h>
#include<utility>
#include<cstdlib>
#include<sstream>
#include<cstring>
#include<stdio.h>
#include<iomanip>
#include<iostream>
#include<conio.h>
#include<algorithm>
using namespace std;
int main(){
	int n,product=1;
	cin>>n;
	while(product<=n){
		product*=2;
	}
	cout<<product/2;
	return 0;
}

Compiler output:
a.cc:18:9: fatal error: conio.h: No such file or directory
   18 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
//#include <array>

int main() {
  int n;
  int counter = 0;
  std::cin >> n;
  while (n != 1) {
    n = n / 2;
    counter++;
  }
  std::cout << 2 ^ n << std::endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:22: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   12 |   std::cout << 2 ^ n << std::endl;
      |                    ~~^~~~~~~~~~~~
Language: C++

# include <bits/stdc++.h>
# include <atcoder/all>
# define rep(i, n) for (ll i = 0; i < (n); i++)
# define reps(i, n) for (ll i = 1; i <= (n); i++)
# define foreps(i, m, n) for (ll i = (m); i < (n); i++)
# define len(x) ((int)(x).size())
# define all(x) (x).begin(), (x).end()
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef long double ld;
const long long mod = 1e9 + 7;
const long long inf = 1e18;

int main() {
    ll N, M; cin >> N >> M;
    vector<bool> A(200050, false), B(200050, false);
    rep(i, M) {
        ll a, b; cin >> a >> b;
        if (a == 1) A[b] = true;
        if (b == N) B[a] = true;
    }

    rep(i, 200050) {
        if (A[i] && B[i]) {
            cout << "POSSIBLE" << endl;
            return 0;
        }
    }
    cout << "IMPOSSIBLE" << endl;
}

Compiler output:
a.cc:2:11: fatal error: atcoder/all: No such file or directory
    2 | # include <atcoder/all>
      |           ^~~~~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
  ll n,m;
  cin >> n >> m;
  vector<pair<ll,ll>> g(m);
  rep(i,m){
    ll a,b;
    cin >> a >> b;
    a--;
    b--;
    g[i] = make_pair(a,b);
  }

  sort(g.begin(),g.end());
  
  vector<ll> start,goal;
  
  rep(i,m){
    if(g[i].first == 0){
      start.push_back(g[i].second);
    }
    if(g[i].second == n-1){
      goal.push_back(g[i].first);
    }
  }
  
  sort(start.begin(),start.end());
  sort(goal.begin(),goal.end());
  
  ll s=start.size(),t=goal.size();
  rep(i,s){
    ll x = start[i];
    if(binary_search(goal.begin(),goal.end(),x){
      cout << "POSSIBLE" << endl;
      return(0);
    }
  }
  
  cout << "IMPOSSIBLE" << endl;
  
  return(0);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:48: error: expected ')' before '{' token
   37 |     if(binary_search(goal.begin(),goal.end(),x){
      |       ~                                        ^
      |                                                )
a.cc:41:3: error: expected primary-expression before '}' token
   41 |   }
      |   ^
Language: C++

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

int main() {
  ll n,m;
  cin >> n >> m;
  vector<pair<ll,ll>> g(m);
  rep(i,m){
    ll a,b;
    cin >> a >> b;
    a--;
    b--;
    g[i] = make_pair(a,b);
  }

  sort(g.begin(),g.end());
  
  vector<ll> start,goal;
  
  rep(i,m){
    if(g[i].first == 0){
      start.push_back(g[i].second);
    }
    if(g[i].second == n-1){
      goal.push_back(g[i].first);
    }
  }
  
  sort(start.begin(),start.end());
  sotr(goal.begin(),goal.end());
  
  ll s=start.size(),t=goal.size();
  rep(i,s){
    rep(j,t){
      if(start[i] == goal[j]){
        cout << "POSSIBLE" << endl;
        return(0);
      }
    }
  }
  
  cout << "IMPOSSIBLE" << endl;
  
  return(0);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:3: error: 'sotr' was not declared in this scope
   32 |   sotr(goal.begin(),goal.end());
      |   ^~~~
Language: C

#include<stdio.h>
int main()
{
int n,m,i;
  scanf("%d %d",&n,&m);
  int a[m],b[m],sw1[n+1],sw2[n+1],cc;
  
  for(i=0;i<n+1;++i)
  {
  sw1=0;
  sw2=0;
  }
  
  cc=0;
  
  for(i=0;i<m;++i)
  {
  scanf("%d %d",&a[i],&b[i]);
  if(a[i]==1) sw1[b[i]]++;
  if(b[i]==n) sw2[a[i]]++;
  }

  for(i=1;i<n+1;++i)
  {
  if(sw1[i]>0 && sw2[i]>0) cc++;
  }
  if(cc >0) printf("POSSIBLE");
  else printf("IMPOSSIBLE");

return 0;}

Compiler output:
main.c: In function 'main':
main.c:10:6: error: assignment to expression with array type
   10 |   sw1=0;
      |      ^
main.c:11:6: error: assignment to expression with array type
   11 |   sw2=0;
      |      ^