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

#include <iostream>
uning namespace std;
int main()
{
  int a;
  string s;
  cin >> a >> s;
  if (a >= 3200) cout << s;
  else cout << "red";
  return (0);
}

Compiler output:
a.cc:2:1: error: 'uning' does not name a type
    2 | uning namespace std;
      | ^~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'string' was not declared in this scope
    6 |   string s;
      |   ^~~~~~
a.cc:6:3: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin >> a >> s;
      |   ^~~
      |   std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:15: error: 's' was not declared in this scope
    7 |   cin >> a >> s;
      |               ^
a.cc:8:18: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   if (a >= 3200) cout << s;
      |                  ^~~~
      |                  std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:9:8: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |   else cout << "red";
      |        ^~~~
      |        std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iosteream>
#include <string>

using namespace std;

int main(){
  int a;
  string s;
  cin >> a>> s;
  if(a >= 3200)cout << s;
  else cout << "red";
  return 0;
}

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

#include <iostream>

void Swap(float& a, float& b)
{
	float temp = a;
	a = b;
	b = temp;
	
}
void InsertSor(float src[],int n)
{
	
	for (int i = 1; i < n; ++i)
	{
		for (int j = i; j >= 1; --j)
		{
			Swap(src[i], src[j]);
		}
	}
}


int main()
{

	int N;
	std::cin >> N;
	float* ana;
	ana = new float[N];
	for (int i = 0; i < N; i++)
	{
		std::cin >> ana[i];
	}

	InsertSor(ana, N);
	double sum=ana[N-1]/pow(2,N-1);
	for (int i = N-2; i >-1;--i)
	{

		sum += ana[i]/(pow(2,i+1));
	}
	std::cout << sum;
	delete[] ana;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:29: error: 'pow' was not declared in this scope
   36 |         double sum=ana[N-1]/pow(2,N-1);
      |                             ^~~
Language: C++

#include <iostream>

int main()
{
    int a;
    std::string s;
    std::cin >> a >> s;

    if (a >= 3200) {
        std::cout << s << std::endl;
    } else {
        std::cou << "red" << std::endl;
    }

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:14: error: 'cou' is not a member of 'std'; did you mean 'cout'?
   12 |         std::cou << "red" << std::endl;
      |              ^~~
      |              cout
Language: C++

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

int main() {
}

if (a>=3200){
  cout<<"S"<<endle;
  }

  else if{
    cout<<"red"<<endle;
   }
     


Compiler output:
a.cc:7:1: error: expected unqualified-id before 'if'
    7 | if (a>=3200){
      | ^~
a.cc:11:3: error: expected unqualified-id before 'else'
   11 |   else if{
      |   ^~~~
Language: C++

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

int main() {
}

if (a>=3200){
  cout<<S<<endle;
  }

  else if{
    cout<<red<<endle;
   }
     


Compiler output:
a.cc:7:1: error: expected unqualified-id before 'if'
    7 | if (a>=3200){
      | ^~
a.cc:11:3: error: expected unqualified-id before 'else'
   11 |   else if{
      |   ^~~~
Language: C++

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

int main() {
}

if (a≧3200){
  cout<<S<<endle;
  }

  even if{
    cout<<red<<endle;
   }
     

Compiler output:
a.cc:7:5: error: extended character ≧ is not valid in an identifier
    7 | if (a≧3200){
      |     ^
a.cc:7:1: error: expected unqualified-id before 'if'
    7 | if (a≧3200){
      | ^~
a.cc:11:3: error: 'even' does not name a type
   11 |   even if{
      |   ^~~~
Language: C

int main(void){
  
 int a;

   printf("please input a:");
  scanf("%d",&a);
    
   if(a>3200){
     s = red;
     printf("s");
   }else{
     s = blue;
     printf("s");
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    5 |    printf("please input a:");
      |    ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | int main(void){
main.c:5:4: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    5 |    printf("please input a:");
      |    ^~~~~~
main.c:5:4: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:6:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    6 |   scanf("%d",&a);
      |   ^~~~~
main.c:6:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:6:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
main.c:6:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:9:6: error: 's' undeclared (first use in this function)
    9 |      s = red;
      |      ^
main.c:9:6: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:10: error: 'red' undeclared (first use in this function)
    9 |      s = red;
      |          ^~~
main.c:12:10: error: 'blue' undeclared (first use in this function)
   12 |      s = blue;
      |          ^~~~
main.c:16:1: error: expected declaration or statement at end of input
   16 | }
      | ^
Language: C

#include <stdio.h>
int Main(){
	int n;
  	scanf("%d",&n);
  	if(n  > 3199){
    	char s;
      	scanf("%s",&s);
      	printf("%s",s);
    }else{
    	printf("red");
    }
}

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

import java.util.Scanner;
public class Red_or_not {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		String s = sc.next();
		System.out.println(a >= 3200 ? s : "red");
	}
}


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

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  stringh s;
  cin>>n;
  cin>>s;
  if(n<3200){
    s = "red";
  }
  cout<<s<<endl;
 return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'stringh' was not declared in this scope; did you mean 'stdin'?
    5 |   stringh s;
      |   ^~~~~~~
      |   stdin
a.cc:7:8: error: 's' was not declared in this scope
    7 |   cin>>s;
      |        ^
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a;
  string s;
  cin >> a >> s;
  if a >= 3200 {
    cout << "red" << endl;
  } else {
    cout << s << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:6: error: expected '(' before 'a'
    8 |   if a >= 3200 {
      |      ^
      |      (
a.cc:10:5: error: 'else' without a previous 'if'
   10 |   } else {
      |     ^~~~
Language: C++

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

typedef long long ll;
const ll MOD = 1e9+7;

int a;
string s;

int main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>a>>s;
    if(a>=3200)cout<<S;
    else cout<<"red";



    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:22: error: 'S' was not declared in this scope
   14 |     if(a>=3200)cout<<S;
      |                      ^
Language: C++



#include<cstdlib>
#include<cstdio>
#include<iostream>
#include<vector>
#include <algorithm>
#include <sstream>


int main(){
  int a;
  std::string s;
  
  std::cin >> a;
  std::cin >> s;
  
  std::cout << ((a >=3200) ? s : "red") std::endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:40: error: expected ';' before 'std'
   18 |   std::cout << ((a >=3200) ? s : "red") std::endl;
      |                                        ^~~~
      |                                        ;
Language: C

#include <stdio.h>

int main{
    int a;
    char* s;

    scanf("%d, %s",&a,&s);

    if(a >= 3200){
        printf("%s",s);
    }else{
        printf("%d","red");
    }
    

}

Compiler output:
main.c:3:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
    3 | int main{
      |         ^
Language: Java

    import java.util.*;
    import java.lang.*;
    import java.io.*; 
     
     
    class solution {
        public static void main(String[] args){
          Sacnner sc  = new Scanner(System.in);
          int a= sc.nextInt();
          String s = sc.next();
           if(a<3200)
             System.out.println("red");
           else
             System.out.println(s);
        }
      }

Compiler output:
Main.java:8: error: cannot find symbol
          Sacnner sc  = new Scanner(System.in);
          ^
  symbol:   class Sacnner
  location: class solution
1 error
Language: Java


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


class solution {
    public static void main(String[] args){
      Sacnner sc  = new Scanner(System.in);
      int a= sc.nextInt();
       if(a>3200 && a<3200)
         System.out.println("red");
      if(a==3200)
         System.out.println("pink");
    }
  }

Compiler output:
Main.java:9: error: cannot find symbol
      Sacnner sc  = new Scanner(System.in);
      ^
  symbol:   class Sacnner
  location: class solution
1 error
Language: Java

java.util.*;
  class solution {
    public static void main(String[] args){
      Sacnner sc  = new Scanner(System.in);
      int a= sc.nextInt();
       if(a>3200 && a<3200)
         System.out.println("red");
      if(a==3200)
         System.out.println("pink");
    }
  }

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
java.util.*;
^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int a;string s;

int main(){
	cin>>a>>s;
	if(a>=3200)cout<<s<<endl0;
	else cout<<"red"<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:29: error: 'endl0' was not declared in this scope
    7 |         if(a>=3200)cout<<s<<endl0;
      |                             ^~~~~
Language: Java

#include<iostream>
 
using namespace std;
 
int main(){
  int a;
  string s;
  cin >> a >> s;
  if(a>=3200) cout << s << endl;
    else cout << "red" << endl;
}

Compiler output:
Main.java:1: error: illegal character: '#'
#include<iostream>
^
Main.java:1: error: class, interface, enum, or record expected
#include<iostream>
        ^
Main.java:8: error: not a statement
  cin >> a >> s;
           ^
Main.java:9: error: not a statement
  if(a>=3200) cout << s << endl;
                        ^
Main.java:10: error: not a statement
    else cout << "red" << endl;
                       ^
Main.java:5: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
  (use --enable-preview to enable unnamed classes)
6 errors
Language: Java

import java.util.*;
import java.lang.*;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String s = sc.next();
		String t = sc.next();
		int mod = s.length();
		long ans = 0;
		TreeSet<Integer>[] index = new TreeSet[26];
		for (int i = 0; i < 26; i++) {
			index[i] = new TreeSet<>();
		}
		for (int i = 0; i < t.length(); i++) {
			TreeSet<Integer> tmp = index[t.charAt(i) - 'a'];
			if (tmp.size() == 0) {
				if (s.indexOf(t.charAt(i)) == -1) {
					ans = -1;
					break;
				} else {
					int in = 0;
					while (s.indexOf(t.charAt(i), in) != -1) {
						tmp.add(s.indexOf(t.charAt(i), in));
						in = s.indexOf(t.charAt(i), in) + 1;
					}
				}
			}
			int num;
			if (tmp.ceiling((int) (ans % mod)) == null) {
				num = tmp.first();
			} else {
				num = tmp.ceiling((int) (ans % mod));
			}
			if (num + 1 <= ans % mod) {
				ans = mod * (ans / mod + 1) + num + 1;
			} else {
				ans = mod * (ans / mod) + num + 1;
			}
		}
		System.out.println(ans);
    }
	

Compiler output:
Main.java:42: error: reached end of file while parsing
    }
     ^
1 error
Language: C++

#include <iostream>

int main(){
  int a;
  cin >> a;
  cout << "AAAAAA" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> a;
      |   ^~~
      |   std::cin
In file included 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:6:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |   cout << "AAAAAA" << 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:6:23: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |   cout << "AAAAAA" << endl;
      |                       ^~~~
      |                       std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: Java

class highlow{
  public static void main(string[] args){
    int yamada =integer.parseInt(args[0]);
    if (yamada<=3200){
      System.out.println(args[1]);
      else{
        System.out.println("red");
      }
    }
  }

Compiler output:
Main.java:6: error: 'else' without 'if'
      else{
      ^
Main.java:10: error: reached end of file while parsing
  }
   ^
2 errors
Language: C++

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

int main(){
  int a, string s;
  cin >> a >> s;
  if (a < 3200) cout << "red";
  else cout >> s;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:17: error: expected initializer before 's'
    6 |   int a, string s;
      |                 ^
a.cc:7:15: error: 's' was not declared in this scope
    7 |   cin >> a >> s;
      |               ^
Language: Java

import java.util.*;
class Main {
  public static void main(String[] args) {
    scanner stdin = new Scanner(System.in);
    int a = stdin.nextInt();
    String s = stdin.next();
    if(a >= 3200){
      System.out.println(s);
    }
    else{
      System.out.println("red");
    }
  }
}


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

#include <iostream>
using namespace std;

int main(){
  int a, string s;
  cin >> a >> s;
  if (a < 3200) cout << "red";
  else cout >> s;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:17: error: expected initializer before 's'
    5 |   int a, string s;
      |                 ^
a.cc:6:15: error: 's' was not declared in this scope
    6 |   cin >> a >> s;
      |               ^
Language: C

include<stdio.h>
int main()
{
  int a;
  char s[10];
  scanf("%d",&a);
  scanf("%s",&s);
  if(a>=3200)
  {
    printf("%s",s);
  }
  else
  {
    printf("red");
  }
}

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

import java.util.*
public class Main{
  public static void main(String []args){
    int n;
    Scanner sc = new Scanner(System.in);
    n=sc.nextInt();
    String s = sc.next();
    if(n>=3200){
    	System.out.println(s);
    else
    	System.out.println("red");
  }
}

Compiler output:
Main.java:1: error: ';' expected
import java.util.*
                  ^
Main.java:10: error: 'else' without 'if'
    else
    ^
Main.java:13: error: reached end of file while parsing
}
 ^
3 errors
Language: C++

#include<cstdio>
main(){char s[10];int i;scanf("%d %s",&i,s);printf("%s",(i<3200)?red:s);}

Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){char s[10];int i;scanf("%d %s",&i,s);printf("%s",(i<3200)?red:s);}
      | ^~~~
a.cc: In function 'int main()':
a.cc:2:66: error: 'red' was not declared in this scope
    2 | main(){char s[10];int i;scanf("%d %s",&i,s);printf("%s",(i<3200)?red:s);}
      |                                                                  ^~~
Language: C

#include<stdio.h>
int main(){
  int a;
  char s[10];
  scanf("%d",&a);
  scanf("%s",s);
  if(a<3200) printf("red");
  else{
    for(i=0;i<10;i++){
      printf("%c",s[i]);
    }
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:9: error: 'i' undeclared (first use in this function)
    9 |     for(i=0;i<10;i++){
      |         ^
main.c:9:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <bits/stdc++>
using namespace std;
int main(){
  int a;
  string s;
  cin >> a >> s;
  if(a >= 3200) cout << s << endl;
  else cout << "red" << endl;
  return 0;
}

Compiler output:
a.cc:1:10: fatal error: bits/stdc++: No such file or directory
    1 | #include <bits/stdc++>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C

#include <iostream>

using namespace std;

int main(){
    int num {0};
    string color;
    cin >> num >> color;
    if (num < 3200){
        cout << "pink" << endl;
    }else{
        cout << color;
    }
    
}

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

public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
   	
    int a = scan.nextInt();
    String s = scan.next();
 
    if (a < 3200) {
      System.out.println("red");
    } else { 
      System.out.println(a);
      System.out.println("pink");
    }
  }
}

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
Main.java:6: error: cannot find symbol
    int a = scan.nextInt();
            ^
  symbol:   variable scan
  location: class Main
Main.java:7: error: cannot find symbol
    String s = scan.next();
               ^
  symbol:   variable scan
  location: class Main
4 errors
Language: Java

import java.util.Scanner;

public class test {
  public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    int a = scan.nextInt();
    String s = scan.next();

    if (a < 3200) {
      System.out.println("red");
    } else { 
      System.out.println(a);
      System.out.println("pink");
    }
  }
}

Compiler output:
Main.java:3: error: class test is public, should be declared in a file named test.java
public class test {
       ^
1 error
Language: Java

public static void main(String[] args) {
  Scanner scan = new Scanner(System.in);
  int a = scan.nextInt();
  String s = scan.next();
  
  if (a < 3200) {
    System.out.println("red");
  } else { 
    System.out.println(a);
    System.out.println("pink");
  }
}

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
public static void main(String[] args) {
              ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: C++

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

int main ()
{
  int a;
  string s;
  cin >> a >> s;
  
  if (a >= 3200) {
    cout << "red";
  } else {
    cout << s;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:2: error: expected '}' at end of input
   14 | }
      |  ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: Java

if (a < 3200) {
  System.out.println("red");
} else { 
  System.out.println(a);
  System.out.println("pink");
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
if (a < 3200) {
^
Main.java:3: error: class, interface, enum, or record expected
} else { 
^
Main.java:5: error: class, interface, enum, or record expected
  System.out.println("pink");
  ^
Main.java:6: error: class, interface, enum, or record expected
}
^
4 errors
Language: Java

import java.util.*;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        long L = Long.parseLong(sc.next());
        long R = Long.parseLong(sc.next());
        long count = 0L;

		for(long x = L; x <= R; x++){
            long xBinaryString = Long.toBinaryString(x).length()
            for(long y = x; xBinaryString == Long.toBinaryString(y).length() && y <= R; y++){
                if(y % x == (y ^ x)){
                    count++;
                }
            }
        }

        System.out.println((int) (count % (Math.pow(10, 9) + 7)));

	}
}

Compiler output:
Main.java:11: error: ';' expected
            long xBinaryString = Long.toBinaryString(x).length()
                                                                ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main() 
{
	int n;
	string s;
	cin >> n >> s;
	cout << ((n>3200)?s:"red);
}

Compiler output:
a.cc:9:29: warning: missing terminating " character
    9 |         cout << ((n>3200)?s:"red);
      |                             ^
a.cc:9:29: error: missing terminating " character
    9 |         cout << ((n>3200)?s:"red);
      |                             ^~~~~~
a.cc: In function 'int main()':
a.cc:10:1: error: expected primary-expression before '}' token
   10 | }
      | ^
a.cc:9:29: error: expected ')' before '}' token
    9 |         cout << ((n>3200)?s:"red);
      |                 ~           ^
      |                             )
   10 | }
      | ~
Language: Java

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

class Main{
  Scanner scan = new Scanner(System.in);
  int a = scan.nextInt();
  scan.next();
  String s = scan.nextLine();
  if(a<3200){
    System.out.println("red");}
  else
    System.out.println(s);
}
  

Compiler output:
Main.java:8: error: <identifier> expected
  scan.next();
           ^
Main.java:10: error: illegal start of type
  if(a<3200){
  ^
Main.java:10: error: illegal start of type
  if(a<3200){
       ^
Main.java:12: error: illegal start of type
  else
  ^
Main.java:13: error: <identifier> expected
    System.out.println(s);
                      ^
Main.java:13: error: <identifier> expected
    System.out.println(s);
                        ^
6 errors
Language: Java

import java.util.Scanner;
public class Main {
  Scanner scan = new Scanner(System.in);
  int in1 = scan.nextInt();
  System.out.println(in1 >= 3200 ? scan.next() : "red");
}

Compiler output:
Main.java:5: error: <identifier> expected
  System.out.println(in1 >= 3200 ? scan.next() : "red");
                    ^
Main.java:5: error: <identifier> expected
  System.out.println(in1 >= 3200 ? scan.next() : "red");
                        ^
2 errors
Language: Java

public class Main {
  public static void main(String... args) {
    String out = "red";
    try (Scanner scan = new Scanner(System.in)) {
      int num = scan.nextInt();
      if (num >= 3200) out = scan.nextLine();
    } catch (Exception e) {}
    System.out.println(out);
  }
}

Compiler output:
Main.java:4: error: cannot find symbol
    try (Scanner scan = new Scanner(System.in)) {
         ^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
    try (Scanner scan = new Scanner(System.in)) {
                            ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

String out = "red";
try (Scanner scan = new Scanner(System.in)) {
  int num = scan.nextInt();
  if (num >= 3200) out = scan.nextLine();
} catch (Exception e) {
}
System.out.println(out);

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
String out = "red";
^
  (use --enable-preview to enable unnamed classes)
Main.java:2: error: class, interface, enum, or record expected
try (Scanner scan = new Scanner(System.in)) {
^
Main.java:4: error: class, interface, enum, or record expected
  if (num >= 3200) out = scan.nextLine();
  ^
Main.java:5: error: class, interface, enum, or record expected
} catch (Exception e) {
^
4 errors
Language: Java

String out;
try (Scanner scan = new Scanner(System.in)) {
  String input1 = scan.nextLine();
  String input2 = scan.nextLine();
  int num = Integer.valueOf(input1);
  if (num >= 3200) out = input2;
  else out = "red";
} catch (Exception e) {
}
System.out.println(out);

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
String out;
^
  (use --enable-preview to enable unnamed classes)
Main.java:2: error: class, interface, enum, or record expected
try (Scanner scan = new Scanner(System.in)) {
^
Main.java:6: error: class, interface, enum, or record expected
  if (num >= 3200) out = input2;
  ^
Main.java:7: error: class, interface, enum, or record expected
  else out = "red";
  ^
Main.java:8: error: class, interface, enum, or record expected
} catch (Exception e) {
^
5 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a,b,c,ab;
  cin >> a;
  cin >> b;
  cin >> c;

  ab = a - b;
  if (ab=o){
    cout << 0;
  }else{
  cout << c-ab << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:10: error: 'o' was not declared in this scope
   11 |   if (ab=o){
      |          ^
Language: C++


#include <iostream>
//#include<iomanip>
//#include <iomanip>

//#include <math.h>

using namespace std;

void D();
void ARC001B(), ABC138A();

int main()
{
	ABC138A();
}

void ABC138A() {
	int a;
	string c;
	cin >> a;
	cin >> c;

	if (a >= 3200) cout << "red" << endl;
	else cout << c << endl;

}

void ARC001B() {
	int A, B;
	cin >> A >> B;

	int count10 = 0;
	int count5 = 0;
	int count1 = 0;
	count10 += round((double)(B - A) / 10);
	A += count10 * 10;
	count5 += round((double)(B - A) / 5);
	A += count5 * 5;
	count1 = B - A;

	int sum = abs(count10) + abs(count5 )+ abs(count1);
	//sum = abs(sum);
	cout << sum;

}

void D() {
	int N, Q;
	cin >> N >> Q;
	int* a, * b, *x, *p;
	int* nn;// iを頂点とする部分木のノードの数
	//N ノードの数 Q 操作の数
	//a[i] -> b[i] 結ばれてる
	// p[j]を頂点とする部分木の全ノードにx[j]を足す
	a = new int[Q];
	b = new int[Q];
	x = new int[N];
	p = new int[N];
	nn = new int[N];

	for (int i = 0; i < N; i++) cin >> a[i] >> b[i];
	for (int i = 0; i < Q; i++) cin >> p[i] >> x[i];

	for (int i = 0; i < N; i++) {
		int tempSubTree = p[i];
		for (int j = 0; j < N; j++) {


		}
	}

}

Compiler output:
a.cc: In function 'void ARC001B()':
a.cc:36:20: error: 'round' was not declared in this scope
   36 |         count10 += round((double)(B - A) / 10);
      |                    ^~~~~
Language: C

#include <stdio.h>

int main(){
  int a;
  char *s[];
  scanf("%d",&a);
  scanf("%s",&s);
  if(a > 3200) printf("%s",s);
  if(a < 3200) printf("red");
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:9: error: array size missing in 's'
    5 |   char *s[];
      |         ^
Language: C

#include <stdio.h>

int main(){
  int a;
  char *s[];
  scanf("%d",&a);
  scanf("%s",&s);
  if(a > 3200) printf("%s",s);
  if(a < 3200) printf("red");

Compiler output:
main.c: In function 'main':
main.c:5:9: error: array size missing in 's'
    5 |   char *s[];
      |         ^
main.c:9:3: error: expected declaration or statement at end of input
    9 |   if(a < 3200) printf("red");
      |   ^~
Language: C++


#include <iostream>
//#include<iomanip>
//#include <iomanip>

//#include <math.h>

using namespace std;

void D();
void ARC001B(), ABC138A(), ABC138B(), ABC138C();

int main()
{
	ABC138A();
}

void ABC138A() {
	int a;
	string c;
	cin >> a;
	cin >> c;

	if (a >= 3200) cout << "red" << endl;
	else cout << c << endl;

}

void ARC001B() {
	int A, B;
	cin >> A >> B;

	int count10 = 0;
	int count5 = 0;
	int count1 = 0;
	count10 += round((double)(B - A) / 10);
	A += count10 * 10;
	count5 += round((double)(B - A) / 5);
	A += count5 * 5;
	count1 = B - A;

	int sum = abs(count10) + abs(count5 )+ abs(count1);
	//sum = abs(sum);
	cout << sum;

}

void D() {
	int N, Q;
	cin >> N >> Q;
	int* a, * b, *x, *p;
	int* nn;// iを頂点とする部分木のノードの数
	//N ノードの数 Q 操作の数
	//a[i] -> b[i] 結ばれてる
	// p[j]を頂点とする部分木の全ノードにx[j]を足す
	a = new int[Q];
	b = new int[Q];
	x = new int[N];
	p = new int[N];
	nn = new int[N];

	for (int i = 0; i < N; i++) cin >> a[i] >> b[i];
	for (int i = 0; i < Q; i++) cin >> p[i] >> x[i];

	for (int i = 0; i < N; i++) {
		int tempSubTree = p[i];
		for (int j = 0; j < N; j++) {


		}
	}

}

Compiler output:
a.cc: In function 'void ARC001B()':
a.cc:36:20: error: 'round' was not declared in this scope
   36 |         count10 += round((double)(B - A) / 10);
      |                    ^~~~~
Language: C++


#include <iostream>
//#include<iomanip>
//#include <iomanip>

//#include <math.h>

using namespace std;

void D();
void ARC001B(), ABC138A(), ABC138B(), ABC138C();

int main()
{
	ARC001B();
}

void ABC138A() {
	int a;
	string c;
	cin >> a;
	cin >> c;

	if (a >= 3200) cout << "red" << endl;
	else cout << c << endl;

}

void ARC001B() {
	int A, B;
	cin >> A >> B;

	int count10 = 0;
	int count5 = 0;
	int count1 = 0;
	count10 += round((double)(B - A) / 10);
	A += count10 * 10;
	count5 += round((double)(B - A) / 5);
	A += count5 * 5;
	count1 = B - A;

	int sum = abs(count10) + abs(count5 )+ abs(count1);
	//sum = abs(sum);
	cout << sum;

}

void D() {
	int N, Q;
	cin >> N >> Q;
	int* a, * b, *x, *p;
	int* nn;// iを頂点とする部分木のノードの数
	//N ノードの数 Q 操作の数
	//a[i] -> b[i] 結ばれてる
	// p[j]を頂点とする部分木の全ノードにx[j]を足す
	a = new int[Q];
	b = new int[Q];
	x = new int[N];
	p = new int[N];
	nn = new int[N];

	for (int i = 0; i < N; i++) cin >> a[i] >> b[i];
	for (int i = 0; i < Q; i++) cin >> p[i] >> x[i];

	for (int i = 0; i < N; i++) {
		int tempSubTree = p[i];
		for (int j = 0; j < N; j++) {


		}
	}

}

Compiler output:
a.cc: In function 'void ARC001B()':
a.cc:36:20: error: 'round' was not declared in this scope
   36 |         count10 += round((double)(B - A) / 10);
      |                    ^~~~~
Language: C++


#include <iostream>
#include<iomanip>
#include <iomanip>

//#include <math.h>

using namespace std;

void D();
void ARC001B(), ABC138A(), ABC138B(), ABC138C();

int main()
{
	ARC001B();
}

void ABC138A() {
	int a;
	string c;
	cin >> a;
	cin >> c;

	if (a >= 3200) cout << "red" << endl;
	else cout << c << endl;

}

void ARC001B() {
	int A, B;
	cin >> A >> B;

	int count10 = 0;
	int count5 = 0;
	int count1 = 0;
	count10 += round((double)(B - A) / 10);
	A += count10 * 10;
	count5 += round((double)(B - A) / 5);
	A += count5 * 5;
	count1 = B - A;

	int sum = abs(count10) + abs(count5 )+ abs(count1);
	//sum = abs(sum);
	cout << sum;

}

void D() {
	int N, Q;
	cin >> N >> Q;
	int* a, * b, *x, *p;
	int* nn;// iを頂点とする部分木のノードの数
	//N ノードの数 Q 操作の数
	//a[i] -> b[i] 結ばれてる
	// p[j]を頂点とする部分木の全ノードにx[j]を足す
	a = new int[Q];
	b = new int[Q];
	x = new int[N];
	p = new int[N];
	nn = new int[N];

	for (int i = 0; i < N; i++) cin >> a[i] >> b[i];
	for (int i = 0; i < Q; i++) cin >> p[i] >> x[i];

	for (int i = 0; i < N; i++) {
		int tempSubTree = p[i];
		for (int j = 0; j < N; j++) {


		}
	}

}

Compiler output:
a.cc: In function 'void ARC001B()':
a.cc:36:20: error: 'round' was not declared in this scope
   36 |         count10 += round((double)(B - A) / 10);
      |                    ^~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

void solve() {
  int n;
  string s;
  cin >> n;
  cin >> s;
  puts(n < 3200 ? "red" : s);
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:10:17: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
   10 |   puts(n < 3200 ? "red" : s);
      |        ~~~~~~~~~^~~~~~~~~~~
      |                 |
      |                 std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/stdio.h:714:30: note:   initializing argument 1 of 'int puts(const char*)'
  714 | extern int puts (const char *__s);
      |                  ~~~~~~~~~~~~^~~
Language: Java

public class Main {
    public static void main(String[] args) {
        Main main = new Main();
        main.solve(args);
    }

    public void solve(String[] args) {
        MyScanner scanner = new MyScanner();
        


    }

    private static long gcd(long m, long n) {
        if(m < n) return gcd(n, m);
        if(n == 0) return m;
        return gcd(n, m % n);
    }

    private static long lcm(long m, long n) {
        return m * n / gcd(m, n);
    }

    private class MyScanner {
        String[] s;
        int i;
        BufferedReader br;
        String reg = " ";
        MyScanner () {
            s = new String[0];
            i = 0;
            br = new BufferedReader(new InputStreamReader(System.in));
        }
        public String next() {
            try {
                if (i < s.length) return s[i++];
                String line = br.readLine();
                while (line.equals("")) {line = br.readLine();}
                s = line.split(reg, 0);
                i = 0;return s[i++];
            } catch (Exception e) {e.printStackTrace();}
            return null;
        }
        public int nextInt() {
            try {return Integer.parseInt(next());} catch (Exception e) {e.printStackTrace();}
            return -1;
        }
        public double nextDouble() {
            try {return Double.parseDouble(next());} catch (Exception e) {e.printStackTrace();}
            return -1;
        }
        public long nextLong()  {
            try {return Long.parseLong(next());} catch (Exception e) {e.printStackTrace();}
            return -1;
        }
    }
}


Compiler output:
Main.java:27: error: cannot find symbol
        BufferedReader br;
        ^
  symbol:   class BufferedReader
  location: class Main.MyScanner
Main.java:32: error: cannot find symbol
            br = new BufferedReader(new InputStreamReader(System.in));
                     ^
  symbol:   class BufferedReader
  location: class Main.MyScanner
Main.java:32: error: cannot find symbol
            br = new BufferedReader(new InputStreamReader(System.in));
                                        ^
  symbol:   class InputStreamReader
  location: class Main.MyScanner
3 errors
Language: Java

import java.util.Scanner;

public class RedOrNot
{
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        sc.nextLine();
        String s=sc.nextLine();
        if (a<3200)
            System.out.println("red");
        else {
            System.out.println(s);
        }
    }
}

Compiler output:
Main.java:3: error: class RedOrNot is public, should be declared in a file named RedOrNot.java
public class RedOrNot
       ^
1 error
Language: Java

package TopCoder;

import java.util.Scanner;

public class RedOrNot
{
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        sc.nextLine();
        String s=sc.nextLine();
        if (a<3200)
            System.out.println("red");
        else {
            System.out.println(s);
        }
    }
}


Compiler output:
Main.java:5: error: class RedOrNot is public, should be declared in a file named RedOrNot.java
public class RedOrNot
       ^
1 error
Language: Java


import java.util.Scanner;

public class RedOrNot
{
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        sc.nextLine();
        String s=sc.nextLine();
        if (a<3200)
            System.out.println("red");
        else {
            System.out.println(s);
        }
    }
}

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

#include<bits/stdc++.h>
using namespace std;
#define ll long long int
int main(){
    string s;
    int n;
    cin>>n;
    cin>>s;
    if(n<=3200)
        cout<<s<<endl;
    else if(a>3200)
        cout<<"red"<<endl;
   
    return 0;
 }


Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: 'a' was not declared in this scope
   11 |     else if(a>3200)
      |             ^
Language: C++

//skylags
#include<iostream>
using namespace std;
int main()
{
  int t;
  string s;
  cin>>t>>s;
  if(t>=3200)
    cout<<s;
  else print("red");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: 'print' was not declared in this scope; did you mean 'printf'?
   11 |   else print("red");
      |        ^~~~~
      |        printf
Language: C

#include<stdio.h>

int main(){
  int a;
  char s[100];
  char o[4] = "red";
  scanf("%d %s\n",&a,s);

  if (a >= 3200)
    printf("%s\n",s);
  else
    printf("%s\n",o); 
  retun 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:3: error: 'retun' undeclared (first use in this function)
   13 |   retun 0;
      |   ^~~~~
main.c:13:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:8: error: expected ';' before numeric constant
   13 |   retun 0;
      |        ^~
      |        ;
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main() {

	int n;
  	string s;
  	cin >> n >> s;
  	cout << ( n < 3200: "red":s ) << '\n';

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:27: error: expected ')' before ':' token
   10 |         cout << ( n < 3200: "red":s ) << '\n';
      |                 ~         ^
      |                           )
Language: C++

#include "bits/stdc++.h"

using namesapce std;

int main() {
	int n;
 	string x;
  	cin >> n >> x;
  	if (n < 3200) cout << "red";
 	else cout << x;
}

Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namesapce'
    3 | using namesapce std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'string' was not declared in this scope
    7 |         string x;
      |         ^~~~~~
a.cc:7:9: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:8:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |         cin >> n >> x;
      |         ^~~
      |         std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:21: error: 'x' was not declared in this scope
    8 |         cin >> n >> x;
      |                     ^
a.cc:9:23: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |         if (n < 3200) cout << "red";
      |                       ^~~~
      |                       std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:14: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |         else cout << x;
      |              ^~~~
      |              std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

 #define FOR(i, m, n) for(int i = m; i < n; i++)
    #define INF 2e9
    #define ALL(v) v.begin(), v.end()
    using namespace std;
    typedef long long ll;
    int main()
    {
      string s ;
      int a ;
      cin >> a >> s;
      if(a >= 3200){
        cout << s <<endl;
      }
      else{
        cout << "red" << endl;
      }
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'string' was not declared in this scope
    8 |       string s ;
      |       ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 |  #define FOR(i, m, n) for(int i = m; i < n; i++)
a.cc:10:7: error: 'cin' was not declared in this scope
   10 |       cin >> a >> s;
      |       ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 |  #define FOR(i, m, n) for(int i = m; i < n; i++)
a.cc:10:19: error: 's' was not declared in this scope
   10 |       cin >> a >> s;
      |                   ^
a.cc:12:9: error: 'cout' was not declared in this scope
   12 |         cout << s <<endl;
      |         ^~~~
a.cc:12:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:21: error: 'endl' was not declared in this scope
   12 |         cout << s <<endl;
      |                     ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 |  #define FOR(i, m, n) for(int i = m; i < n; i++)
a.cc:15:9: error: 'cout' was not declared in this scope
   15 |         cout << "red" << endl;
      |         ^~~~
a.cc:15:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:15:26: error: 'endl' was not declared in this scope
   15 |         cout << "red" << endl;
      |                          ^~~~
a.cc:15:26: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

    #include <bits/stdc++.h>
    #define REP(i, n) for(int i = 0; i < n; i++)
    #define REPR(i, n) for(int i = n; i >= 0; i--)
    #define FOR(i, m, n) for(int i = m; i < n; i++)
    #define INF 2e9
    #define ALL(v) v.begin(), v.end()
    using namespace std;
    typedef long long ll;

    int main()
    {
      string s ;
      int a ;
      cin >> a >> s;
      if(a >= 3200){
        cout << s <<endl;
      }
      if else(a < 3200){
        cout << "red" << endl;
      }
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:18:10: error: expected '(' before 'else'
   18 |       if else(a < 3200){
      |          ^~~~
      |          (
Language: C

#include<stdio.h>

int main(){
    int a;
    char s[11];

    scanf(%d, &a);
    scanf(%d, &s);
    
    if(a >= 3200){
        printf("%s", s);
    }eles{
        printf("red");
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:11: error: expected expression before '%' token
    7 |     scanf(%d, &a);
      |           ^
main.c:8:11: error: expected expression before '%' token
    8 |     scanf(%d, &s);
      |           ^
main.c:12:6: error: 'eles' undeclared (first use in this function)
   12 |     }eles{
      |      ^~~~
main.c:12:6: note: each undeclared identifier is reported only once for each function it appears in
main.c:12:10: error: expected ';' before '{' token
   12 |     }eles{
      |          ^
      |          ;
Language: C

#include<stdio.h>

int main(){
    int a;
    char s;

    scanf(%d, &a);
    scanf(%d, &s);
    
    if(a >= 3200){
        printf("%s", s);
    }eles{
        printf("red");
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:11: error: expected expression before '%' token
    7 |     scanf(%d, &a);
      |           ^
main.c:8:11: error: expected expression before '%' token
    8 |     scanf(%d, &s);
      |           ^
main.c:12:6: error: 'eles' undeclared (first use in this function)
   12 |     }eles{
      |      ^~~~
main.c:12:6: note: each undeclared identifier is reported only once for each function it appears in
main.c:12:10: error: expected ';' before '{' token
   12 |     }eles{
      |          ^
      |          ;
Language: C++

#include<bits/stdc++.h>

#define FOR(i,a,b) for(int i=(a);i<(int)(b);++i)
#define REP(i,n) FOR(i,0,n)


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

    int num;
    string str;
    cin >> num >> str;
    if(num>=3500){
        cout << str << endl;
    }else if{
        cout << 'red' << endl;
    }   
}


Compiler output:
a.cc:17:17: warning: multi-character character constant [-Wmultichar]
   17 |         cout << 'red' << endl;
      |                 ^~~~~
a.cc: In function 'int main()':
a.cc:12:5: error: 'string' was not declared in this scope
   12 |     string str;
      |     ^~~~~~
a.cc:12:5: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:13:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
   13 |     cin >> num >> str;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:13:19: error: 'str' was not declared in this scope; did you mean 'std'?
   13 |     cin >> num >> str;
      |                   ^~~
      |                   std
a.cc:15:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |         cout << str << 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:15:24: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   15 |         cout << str << 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:16:13: error: expected '(' before '{' token
   16 |     }else if{
      |             ^
      |             (