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

int main() {
    int r;
    cin >> r;
    cout << r * r << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:5: error: 'cin' was not declared in this scope
    3 |     cin >> r;
      |     ^~~
a.cc:4:5: error: 'cout' was not declared in this scope
    4 |     cout << r * r << endl;
      |     ^~~~
a.cc:4:22: error: 'endl' was not declared in this scope
    4 |     cout << r * r << endl;
      |                      ^~~~
Language: C++

#include <iostream>
using namespace std;

int main()
{
  int r = 0;
  cin >> r;
  cout << r*r << endl;
  return 0
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:11: error: expected ';' before '}' token
    9 |   return 0
      |           ^
      |           ;
   10 | }
      | ~
Language: C++

#include<iostream>
using namespace std;

int main()
{
  int r;
  cin >> r;
  cout << r * r << endl;
  
  reuturn 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: 'reuturn' was not declared in this scope
   10 |   reuturn 0;
      |   ^~~~~~~
Language: Java

import java.util.Scanner;

public class Main{
  public static void main(String [] args){
    
    Scanner scan = new Scanner(System.in);
    int num = scan.nextInt();
    
    num = num * 2;
    System.out.plintln(num);

  }
}


Compiler output:
Main.java:10: error: cannot find symbol
    System.out.plintln(num);
              ^
  symbol:   method plintln(int)
  location: variable out of type PrintStream
1 error
Language: Java

import java.util.Scanner;

public class Main{
  public static void main(String [] args){
    
    Scanner scan = new Scanner(System.in);
    int num = scan.nextInt();
    
    num = num * 2;
    System.out.plintln(unm);

  }
}


Compiler output:
Main.java:10: error: cannot find symbol
    System.out.plintln(unm);
                       ^
  symbol:   variable unm
  location: class Main
1 error
Language: Java

import java.util.Scanner;

public class Main{
  public static void main(String [] args){
    
    Scanner scan = new Scanner(System.in);
    String num = scan.nextLine();
    
    Integer.parseInt(num);
    num = num * 2;
    System.out.plintln(unm);
  }
}

    

Compiler output:
Main.java:10: error: bad operand types for binary operator '*'
    num = num * 2;
              ^
  first type:  String
  second type: int
Main.java:11: error: cannot find symbol
    System.out.plintln(unm);
                       ^
  symbol:   variable unm
  location: class Main
2 errors
Language: Java

import java.io.*;
class Main {
	public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
      	int r = sc.nextInt();
      	System.out.println(r^2);
    }
}

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

include <iostream>
using namespace std;

int main() {
  int r;
  cin >> r;
  cout << r * r << endl;
  return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> r;
      |   ^~~
a.cc:7:3: error: 'cout' was not declared in this scope
    7 |   cout << r * r << endl;
      |   ^~~~
a.cc:7:20: error: 'endl' was not declared in this scope
    7 |   cout << r * r << endl;
      |                    ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,n) for(ll i = 0; i < (ll)(n); i++)
#define repi(i,a,b) for(ll i = (ll)(a); i < (ll)(b); i++)
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
const ll INF = 1LL << 60;
int main(){
    int r; cin >> r;
    cout << r*r* << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:18: error: expected primary-expression before '<<' token
   11 |     cout << r*r* << endl;
      |                  ^~
Language: C++

#include <iostream>
using namespace std:

int main() {
  int r;
  cin >> r;
  cout << r * r << endl;
  return 0;
}

Compiler output:
a.cc:2:20: error: expected ';' before ':' token
    2 | using namespace std:
      |                    ^
      |                    ;
a.cc:2:20: error: expected unqualified-id before ':' token
Language: C++

#include<iostream>
using namespace std;

int main(){
  int r;
  cin>>r;
  count<<r*r<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'count' was not declared in this scope
    7 |   count<<r*r<<endl;
      |   ^~~~~
Language: C++

#include <iostream>

using std::cin;
using std::cout;
using std::endl;


void TorT()
{
  int n, a, b;
  cin >> n >> a >> b;
  if (n * a > b) cout << b << endl;
  else           cout << n * a << endl;
}


void cross9_9()
{
  int a, b;
  cin >> a >> b;
  if (a > 0 && a < 10 && b > 0 && b < 10) cout << a * b << endl;
  else cout << -1 << endl;
}


void calculate_circle()
{
  int r;
  cin >> r;
  cout << std::pow(r, 2) << endl;
}
int main()
{
  //TorT();
  //cross9_9();
  calculate_circle();
}

Compiler output:
a.cc: In function 'void calculate_circle()':
a.cc:30:16: error: 'pow' is not a member of 'std'
   30 |   cout << std::pow(r, 2) << endl;
      |                ^~~
Language: C++

int main(){
    int r
	cin >> r;
  	cout >> r * r >> endl;
    return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:9: error: expected initializer before 'cin'
    3 |         cin >> r;
      |         ^~~
a.cc:4:9: error: 'cout' was not declared in this scope
    4 |         cout >> r * r >> endl;
      |         ^~~~
a.cc:4:17: error: 'r' was not declared in this scope
    4 |         cout >> r * r >> endl;
      |                 ^
a.cc:4:26: error: 'endl' was not declared in this scope
    4 |         cout >> r * r >> endl;
      |                          ^~~~
a.cc:5:13: error: expected ';' before '}' token
    5 |     return 0
      |             ^
      |             ;
    6 | }
      | ~
Language: Java

public class Main {
  public int main(String[] args) {
    int r;
    int mensseki = r^2;
    system.Out.Println(menseki);
    
    return menseki;
  }
}

Compiler output:
Main.java:5: error: cannot find symbol
    system.Out.Println(menseki);
                       ^
  symbol:   variable menseki
  location: class Main
Main.java:5: error: package system does not exist
    system.Out.Println(menseki);
          ^
Main.java:7: error: cannot find symbol
    return menseki;
           ^
  symbol:   variable menseki
  location: class Main
3 errors
Language: C++

using namespace std;

int main() {
 int r;
 cin >> r;
 cout << r*r << endl;
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:2: error: 'cin' was not declared in this scope
    5 |  cin >> r;
      |  ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:2: error: 'cout' was not declared in this scope
    6 |  cout << r*r << endl;
      |  ^~~~
a.cc:6:2: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:6:17: error: 'endl' was not declared in this scope
    6 |  cout << r*r << endl;
      |                 ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

#include <iostream>

int main(void){
  int r=0;
  std::cin >> r;
  
  std::cout << r*r << std::endl
};

Compiler output:
a.cc: In function 'int main()':
a.cc:7:32: error: expected ';' before '}' token
    7 |   std::cout << r*r << std::endl
      |                                ^
      |                                ;
    8 | };
      | ~
Language: C++

using namespace std;

int main() {
  int r;
  cin >> r;
  cout << r*r << endl;
  return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> r;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout << r*r << endl;
      |   ^~~~
a.cc:6:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:6:18: error: 'endl' was not declared in this scope
    6 |   cout << r*r << endl;
      |                  ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
a.cc:7:11: error: expected ';' before '}' token
    7 |   return 0
      |           ^
      |           ;
    8 | }
      | ~
Language: C++

#include <iostream>

int main() {
  int r;
  cin >> r;
  std::cout << r * r << std::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 >> r;
      |   ^~~
      |   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
      |                  ^~~
Language: C++

int main(void){
  int r;
  r << std.cin;
  std.cout << r * r << std.endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:11: error: expected primary-expression before '.' token
    3 |   r << std.cin;
      |           ^
a.cc:4:6: error: expected primary-expression before '.' token
    4 |   std.cout << r * r << std.endl;
      |      ^
a.cc:4:27: error: expected primary-expression before '.' token
    4 |   std.cout << r * r << std.endl;
      |                           ^
Language: C++

using namespace std;

int main(void){
  int r;
  r << std.cin;
  std.cout << r * r << std.endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:11: error: expected primary-expression before '.' token
    5 |   r << std.cin;
      |           ^
a.cc:6:6: error: expected primary-expression before '.' token
    6 |   std.cout << r * r << std.endl;
      |      ^
a.cc:6:27: error: expected primary-expression before '.' token
    6 |   std.cout << r * r << std.endl;
      |                           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int r;
  cin >> r;
  cout << r ^ 2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:17: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
    6 |   cout << r ^ 2 << endl;
      |               ~~^~~~~~~
Language: Java

import java.util.Scanner;

class Main {

  class RepeatingString {
    
    static boolean RS(String S, int n) {
    
      if (n%2 == 1) return false;
      
      for(int i = 0; i < n/2; i++)
        if(S[i] != S[i+n/2])
          return false;
      
      return true;
    }
  }
  
  public static void main(String[] args) {
    Scanner stdIn = new Scanner(System.in);
    
    String S = stdIn.next();
     
    switch(RS(S, n)) {
     case true: System.out.println("Yes"); break;
     case false: System.out.println("No"); break;
    }
  }
}


Compiler output:
Main.java:12: error: array required, but String found
        if(S[i] != S[i+n/2])
            ^
Main.java:12: error: array required, but String found
        if(S[i] != S[i+n/2])
                    ^
Main.java:24: error: cannot find symbol
    switch(RS(S, n)) {
                 ^
  symbol:   variable n
  location: class Main
3 errors
Language: Java

import java.util.Scanner;

class Main {

  class RepeatingString {
    
    static boolean RS(String S, int n) {
    
      if (n%2 == 1) return false;
      
      for(int i = 0; i < n/2; i++)
        if(S[i] != S[i+n/2])
          return false;
      
      return true;
    }
  }
  
  public static void main(String[] args) {
    Scanner stdIn = new Scanner(System.in);
    
    String S = stdIn.next();
     
    switch(RS(S, n)) {
     case true: System.out.println("Yes"); break;
     case false: System.out.println("No"); break;
  }
}


Compiler output:
Main.java:28: error: reached end of file while parsing
}
 ^
1 error
Language: C++

#include<iostream>

int main(){
  int r;  cin >> r;
  cout << r*r << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:11: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   int r;  cin >> r;
      |           ^~~
      |           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:5:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |   cout << r*r << 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:5:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    5 |   cout << r*r << 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: C

#include,stdio.h>
int main(void)
{
  int r;
  scanf("%d",&r);
  printf("%d\n",r*r);
  return 0;
}

Compiler output:
main.c:1:9: error: #include expects "FILENAME" or <FILENAME>
    1 | #include,stdio.h>
      |         ^
main.c: In function 'main':
main.c:5:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    5 |   scanf("%d",&r);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #include,stdio.h>
main.c:5:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    5 |   scanf("%d",&r);
      |   ^~~~~
main.c:5:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:6:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    6 |   printf("%d\n",r*r);
      |   ^~~~~~
main.c:6:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:6:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:6:3: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
string R;
  cin>>R;
  cout<<R^2
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:10: error: no match for 'operator^' (operand types are 'std::basic_ostream<char>' and 'int')
    8 |   cout<<R^2
      |   ~~~~~~~^~
      |       |   |
      |       |   int
      |       std::basic_ostream<char>
a.cc:8:10: note: candidate: 'operator^(int, int)' (built-in)
    8 |   cout<<R^2
      |   ~~~~~~~^~
a.cc:8:10: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int'
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
                 from /usr/include/c++/14/string:68,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/cstddef:146:3: note: candidate: 'constexpr std::byte std::operator^(byte, byte)'
  146 |   operator^(byte __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/14/cstddef:146:18: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::byte'
  146 |   operator^(byte __l, byte __r) noexcept
      |             ~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:94:3: note: candidate: 'constexpr std::_Ios_Fmtflags std::operator^(_Ios_Fmtflags, _Ios_Fmtflags)'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:94:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Fmtflags'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:144:3: note: candidate: 'constexpr std::_Ios_Openmode std::operator^(_Ios_Openmode, _Ios_Openmode)'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:144:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Openmode'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:191:3: note: candidate: 'constexpr std::_Ios_Iostate std::operator^(_Ios_Iostate, _Ios_Iostate)'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:191:26: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Iostate'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~^~~
Language: C++

#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    cin >> r;
    
    cout << r*r << endl;
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:12: error: 'r' was not declared in this scope
    5 |     cin >> r;
      |            ^
Language: C++

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

int main() {
  int r

  cin >> r;

  cout << pow(r, 2);

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected initializer before 'cin'
    7 |   cin >> r;
      |   ^~~
a.cc:9:15: error: 'r' was not declared in this scope
    9 |   cout << pow(r, 2);
      |               ^
Language: C

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

int main()
{
    int n;
    char s[105];
    scanf("%d",&n);
    scanf("%s",s);
    int i;
 
    if(n%2!=0)
    {
        printf('No');
    }
    else
    {
        int a=n/2;
        for(i=0; i<a; i++)
        {
            if(s[i]!=s[i+a])
            {
                printf('No');
                return 0;
            }
        }
        else printf('Yes');
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:16: warning: multi-character character constant [-Wmultichar]
   15 |         printf('No');
      |                ^~~~
main.c:15:16: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   15 |         printf('No');
      |                ^~~~
      |                |
      |                int
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:24:24: warning: multi-character character constant [-Wmultichar]
   24 |                 printf('No');
      |                        ^~~~
main.c:24:24: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   24 |                 printf('No');
      |                        ^~~~
      |                        |
      |                        int
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:28:9: error: 'else' without a previous 'if'
   28 |         else printf('Yes');
      |         ^~~~
main.c:28:21: warning: multi-character character constant [-Wmultichar]
   28 |         else printf('Yes');
      |                     ^~~~~
main.c:28:21: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   28 |         else printf('Yes');
      |                     ^~~~~
      |                     |
      |                     int
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include <iostream>

int main(){
	int r; cin >> r;
  	cout << r*r;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:16: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |         int r; cin >> r;
      |                ^~~
      |                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:5:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |         cout << r*r;
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

Int R ;
Scanf("%R",&R);
Int area1=R*R*3.14;
Int area2=3.14;
Printf("the ratio of area1 to area2=%area1/%area2",area1,area2);

Compiler output:
main.c:1:1: error: unknown type name 'Int'; did you mean 'int'?
    1 | Int R ;
      | ^~~
      | int
main.c:2:7: error: expected declaration specifiers or '...' before string constant
    2 | Scanf("%R",&R);
      |       ^~~~
main.c:2:12: error: expected declaration specifiers or '...' before '&' token
    2 | Scanf("%R",&R);
      |            ^
main.c:3:1: error: unknown type name 'Int'; did you mean 'int'?
    3 | Int area1=R*R*3.14;
      | ^~~
      | int
main.c:3:11: error: initializer element is not constant
    3 | Int area1=R*R*3.14;
      |           ^
main.c:4:1: error: unknown type name 'Int'; did you mean 'int'?
    4 | Int area2=3.14;
      | ^~~
      | int
main.c:5:8: error: expected declaration specifiers or '...' before string constant
    5 | Printf("the ratio of area1 to area2=%area1/%area2",area1,area2);
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
main.c:5:52: error: expected declaration specifiers or '...' before 'area1'
    5 | Printf("the ratio of area1 to area2=%area1/%area2",area1,area2);
      |                                                    ^~~~~
main.c:5:58: error: expected declaration specifiers or '...' before 'area2'
    5 | Printf("the ratio of area1 to area2=%area1/%area2",area1,area2);
      |                                                          ^~~~~
Language: C

#include <stdio.h>
int main()
{
    float r,a,g;
    scanf("%f",&r);
    if(r>=1&&r<=100){
        a=(3.14)*(r*r);
    }
    else{
        printf("enter radius >0 and <100");
    }
    g=a/((3.14)*(1);
    printf("%d",(int)g);
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:12:20: error: expected ')' before ';' token
   12 |     g=a/((3.14)*(1);
      |         ~          ^
      |                    )
main.c:14:14: error: expected ';' before '}' token
   14 |     return 0;
      |              ^
      |              ;
   15 | }
      | ~
Language: C++

    #inlcude<bits/stdc++.h>
    using namespace std;
     
    int main(){
      int r,output;
      cin>>r;
      output=(r*r);
      cout<<output;
      return 0;
    }

Compiler output:
a.cc:1:6: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 |     #inlcude<bits/stdc++.h>
      |      ^~~~~~~
      |      include
a.cc: In function 'int main()':
a.cc:6:7: error: 'cin' was not declared in this scope
    6 |       cin>>r;
      |       ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 |     #inlcude<bits/stdc++.h>
a.cc:8:7: error: 'cout' was not declared in this scope
    8 |       cout<<output;
      |       ^~~~
a.cc:8:7: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

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

int main(){
  int r,output;
  cin>>r;
  output=(r*r)
  cout<<output;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude<bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>r;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inlcude<bits/stdc++.h>
a.cc:7:15: error: expected ';' before 'cout'
    7 |   output=(r*r)
      |               ^
      |               ;
    8 |   cout<<output;
      |   ~~~~
Language: C

#include<stdio.h >
int main()
{
    int r;

    printf("givan the intreger number: ");
    scanf("%d",&r);
    if(r>1){
        printf("%d-%d=%d",r,1,r-1);
    }
    return 0;
}


Compiler output:
main.c:1:9: fatal error: stdio.h : No such file or directory
    1 | #include<stdio.h >
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h >
int main()
{
    int r,p;
    p=1;
    printf("givan the intreger number: ");
    scanf("%d",&r);
    if(r>p){
        printf("%d-%d=%d",r,p,r-p);
    }
    return 0;
}


Compiler output:
main.c:1:9: fatal error: stdio.h : No such file or directory
    1 | #include<stdio.h >
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
	int N;
	cin >> N;
	vi x(N);
	vi y(N);
	for (int i = 0; i < N; i++) {
		cin >> x.at(i) >> y.at(i);
	}
	/*順列を用いて経路を全列挙したもの*/
	auto dist = [&](int i, int j) {
		double dx = x[i] - x[j];
		double dy = x[i] - x[j];
		return sqrt(dx * dx + dy * dy);
	};
	vi p(N);
	for (int i = 0; i < N; i++) {
		p[i] = i;
	}
	double len = 0;
	int cnt = 0;
	do {
		for (int i = 0; i < N - 1; i++) {
			len += dist(p[i], p[i + 1]);
		}
		cnt++;
	} while (next_permutation(p.begin(), p.end()));/*順列*/
	double ans = len / cnt;
	printf("%.10f\n", ans);
	return 0;
}

Compiler output:
a.cc:6:9: error: 'vector' does not name a type
    6 | typedef vector<int> vi;
      |         ^~~~~~
a.cc: In function 'int main()':
a.cc:12:9: error: 'vi' was not declared in this scope
   12 |         vi x(N);
      |         ^~
a.cc:13:11: error: expected ';' before 'y'
   13 |         vi y(N);
      |           ^~
      |           ;
a.cc:15:24: error: 'x' was not declared in this scope
   15 |                 cin >> x.at(i) >> y.at(i);
      |                        ^
a.cc:15:35: error: 'y' was not declared in this scope
   15 |                 cin >> x.at(i) >> y.at(i);
      |                                   ^
a.cc: In lambda function:
a.cc:19:29: error: 'x' was not declared in this scope
   19 |                 double dx = x[i] - x[j];
      |                             ^
a.cc: In function 'int main()':
a.cc:23:11: error: expected ';' before 'p'
   23 |         vi p(N);
      |           ^~
      |           ;
a.cc:25:17: error: 'p' was not declared in this scope
   25 |                 p[i] = i;
      |                 ^
a.cc:31:37: error: 'p' was not declared in this scope
   31 |                         len += dist(p[i], p[i + 1]);
      |                                     ^
a.cc:34:35: error: 'p' was not declared in this scope
   34 |         } while (next_permutation(p.begin(), p.end()));/*順列*/
      |                                   ^
Language: C++

#include<bits/stdc++.h>
typedef vector<int> vi;
using namespace std;
int main() {
	int N;
	cin >> N;
	vi x(N);
	vi y(N);
	for (int i = 0; i < N; i++) {
		cin >> x.at(i) >> y.at(i);
	}
	/*ある辺が何度使われるか：X
	分子＝sum{(辺の長さ)*X}*/
	auto dist = [&](int i, int j) {
		double dx = x[i] - x[j];
		double dy = x[i] - x[j];
		return sqrt(dx * dx + dy * dy);
	};
	double len = 0;
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < i; j++) {
			len += dist(i, j);
		}
	}
		int x = 2; /*分子*/
		for (int i = N - 1; i >= 1; i--) {
			x *= i;
		}
		int fact = 1; /*分母*/
		for (int i = N; i >= 1; i--) {
			fact *= i;
		}
		double ans = (len * x) / fact;
		printf("%.10f\n", ans);
	
	return 0;
}

Compiler output:
a.cc:2:9: error: 'vector' does not name a type
    2 | typedef vector<int> vi;
      |         ^~~~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'vi' was not declared in this scope
    7 |         vi x(N);
      |         ^~
a.cc:8:11: error: expected ';' before 'y'
    8 |         vi y(N);
      |           ^~
      |           ;
a.cc:10:24: error: 'x' was not declared in this scope
   10 |                 cin >> x.at(i) >> y.at(i);
      |                        ^
a.cc:10:35: error: 'y' was not declared in this scope
   10 |                 cin >> x.at(i) >> y.at(i);
      |                                   ^
a.cc: In lambda function:
a.cc:15:29: error: 'x' was not declared in this scope
   15 |                 double dx = x[i] - x[j];
      |                             ^
Language: C++

#include <iostream>

int main() {
 int x;
  cin >> x;
  cout << x * x;
}

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 >> x;
      |   ^~~
      |   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 << x * 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++

#include <iostream.h>
using namespace std;

int main()
{
  long long a ;
  cin >> a;
  cout << a*a << endl;
  return 0 ;
}

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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a;
  cin >> a ; 
  cunt >> a*a >> endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'cunt' was not declared in this scope
    7 |   cunt >> a*a >> endl;
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a;
  cin >> a ; 
  cont >> a*a >> endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'cont' was not declared in this scope; did you mean 'const'?
    7 |   cont >> a*a >> endl;
      |   ^~~~
      |   const
Language: C++

#include <bits/stdc++h>
using namespace std;
int main()
{
  int r = 0;
  cin >> r;
  cout << r*r<<endl;
}

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

fn circle() -> Result<u32, &'static str> {
    let mut input = String::new();
    std::io::stdin().read_line(&mut input)
        .map_err(|_| "read error")?;
    let r = input.trim_right().parse::<u32>()
        .map_err(|_| "parse error")?;

    Ok(r*r)
}

fn main() {
    println!("{}", circle().unwrap());
}

Compiler output:
a.cc:1:29: warning: missing terminating ' character
    1 | fn circle() -> Result<u32, &'static str> {
      |                             ^
a.cc:1:29: error: missing terminating ' character
    1 | fn circle() -> Result<u32, &'static str> {
      |                             ^~~~~~~~~~~~~~
a.cc:1:1: error: 'fn' does not name a type
    1 | fn circle() -> Result<u32, &'static str> {
      | ^~
a.cc:3:10: error: 'io' in namespace 'std' does not name a type
    3 |     std::io::stdin().read_line(&mut input)
      |          ^~
a.cc:5:5: error: 'let' does not name a type
    5 |     let r = input.trim_right().parse::<u32>()
      |     ^~~
a.cc:8:7: error: expected constructor, destructor, or type conversion before '(' token
    8 |     Ok(r*r)
      |       ^
a.cc:9:1: error: expected declaration before '}' token
    9 | }
      | ^
a.cc:11:1: error: 'fn' does not name a type
   11 | fn main() {
      | ^~
Language: Java

import java.util.*;

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

		int r = sc.nextInt();
		System.out.println(r * r);
	}
}


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

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

public class template {
    public static void main(String[] args) throws IOException {
        FastReader scan = new FastReader();
        //PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("something.in")));
        PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
        Task solver = new Task();
        //int t = scan.nextInt();
        int t = 1;
        for(int i = 1; i <= t; i++) solver.solve(i, scan, out);
        out.close();
    }
    static class Task {
        public void solve(int testNumber, FastReader sc, PrintWriter pw) {
            long n = sc.nextInt();
            pw.println(n*n);
        }
		/*
		public long exp(long base, int power){
			if(power == 0) return 1;
			if(power == 1) return (base + mod) % mod;
			long ans = exp(base,power/2);
			ans = (ans*ans + mod) % mod;
			if(power%2 == 1) ans = (ans*base + mod) % mod;
			return (ans + mod) % mod;
		}*/

    }
    static class tup implements Comparable<tup>{
        int a, b;
        tup(int a, int b){
            this.a=a;
            this.b=b;
        }

        @Override
        public int compareTo(tup o) {
            return Integer.compare(o.a,a);
        }
    }
    static void shuffle(long[] a) {
        Random get = new Random();
        for (int i = 0; i < a.length; i++) {
            int r = get.nextInt(a.length);
            long temp = a[i];
            a[i] = a[r];
            a[r] = temp;
        }
    }
    static void shuffle(int[] a) {
        Random get = new Random();
        for (int i = 0; i < a.length; i++) {
            int r = get.nextInt(a.length);
            int temp = a[i];
            a[i] = a[r];
            a[r] = temp;
        }
    }

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

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

        public FastReader(String s) throws FileNotFoundException {
            br = new BufferedReader(new FileReader(new File(s)));
        }

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

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

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

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

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

}

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

import java.util.*;

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

    int a = r*r;

    System.out.println(a);
  }
}

Compiler output:
Main.java:5: error: missing method body, or declare abstract
  public static void main(String[] args);
                     ^
1 error
Language: Java

import java.util;

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

    int a = r*r;

    System.out.println(a);
  }
}

Compiler output:
Main.java:1: error: cannot find symbol
import java.util;
           ^
  symbol:   class util
  location: package java
Main.java:5: error: missing method body, or declare abstract
  public static void main(String[] args);
                     ^
Main.java:7: error: cannot find symbol
    Scanner sc = new Scanner(System.in);
    ^
  symbol:   class Scanner
  location: class Main
Main.java:7: error: cannot find symbol
    Scanner sc = new Scanner(System.in);
                     ^
  symbol:   class Scanner
  location: class Main
4 errors
Language: C++

var n:longint;
begin
	readln(n);
	writeln(n*n);
end.

Compiler output:
a.cc:1:1: error: 'var' does not name a type
    1 | var n:longint;
      | ^~~
a.cc:2:1: error: 'begin' does not name a type
    2 | begin
      | ^~~~~
a.cc:4:16: error: expected constructor, destructor, or type conversion before '(' token
    4 |         writeln(n*n);
      |                ^
a.cc:5:1: error: 'end' does not name a type
    5 | end.
      | ^~~
Language: C++

#include<iostream>
using namespace std;

int manin()
{
  int r;
  cin>>r;
  int k=r*r;
  cout<<k<<endl;
  return 0;
}

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: C++

#include<stdio.h>
#include<string.h>
int main()
{
    int N,c=0;
    char s[105],i,j;
    scanf("%d",&N);
    scanf("%s",s);
    j=strlen(s);

       if(N%2==0)
       {
           for(i=0;i<j/2;i++)
           {
               if(s[i]==s[i+N/2]) 
                   break;
                c=1;
             
               else c=2;
              

           }

       }
        else
        printf("No");

       if(c==1)
       {
           printf("Yes");
       }
       else if (c == 2) printf("No");


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:16: error: 'else' without a previous 'if'
   19 |                else c=2;
      |                ^~~~
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
    int N,c=0;
    char s[105],i,j;
    scanf("%d",&N);
    scanf("%s",s);
    j=strlen(s);

       if(N%2==0)
       {
           for(i=0;i<j/2;i++)
           {
               if(s[i]==s[i+N/2]) c=1;
               break;
               else c=2;
               

           }

       }
        else
        printf("No");

       if(c==1)
       {
           printf("Yes");
       }
       else if (c == 2) printf("No");


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:16: error: 'else' without a previous 'if'
   17 |                else c=2;
      |                ^~~~
Language: Java

package helloworld;

import java.util.*;

public class Test {
    public static void main(String[] args)   {
        
    	Scanner r= new Scanner(System.in);
    	int n=r.nextInt();
    	System.out.println(n*n);    	
    	
    }
}

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

import java.util.*;

public class Test {
    public static void main(String[] args)   {
        
    	Scanner r= new Scanner(System.in);
    	int n=r.nextInt();
    	System.out.println(n*n);    	
    	
    }
}

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

package helloworld;

import java.util.*;

public class Test {
    public static void main(String[] args)   {
        
    	Scanner r= new Scanner(System.in);
    
    	int n=r.nextInt();
    	System.out.println(n*n);    	
    	
    }
}

Compiler output:
Main.java:5: error: class Test is public, should be declared in a file named Test.java
public class Test {
       ^
1 error
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main() {
	cin >> r; cout << r * r;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: 'r' was not declared in this scope
    7 |         cin >> r; cout << r * r;
      |                ^
Language: C++

#include<iostream>
int main()
{
 	int r,area=0;
    cin>>r;
    cout<<(r*r)<<" ";
    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>>r;
      |     ^~~
      |     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:6:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |     cout<<(r*r)<<" ";
      |     ^~~~
      |     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 <iostream>

using namespace std;

int main () {
	int r;
    cin >> r;
    cout << (pow*pow) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: 'pow' was not declared in this scope
    8 |     cout << (pow*pow) << endl;
      |              ^~~
Language: C++

macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        let mut next = || { iter.next().unwrap() };
        input_inner!{next, $($r)*}
    };
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes
                .by_ref()
                .map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}

macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}

macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}

fn main() {
    input!{
        s: usize,
    }
    println!("{}",s * s);
}

Compiler output:
a.cc:38:10: error: too many decimal points in number
   38 |         (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
      |          ^~~~~~~
a.cc:1:1: error: 'macro_rules' does not name a type
    1 | macro_rules! input {
      | ^~~~~~~~~~~
a.cc:22:1: error: 'macro_rules' does not name a type
   22 | macro_rules! input_inner {
      | ^~~~~~~~~~~
a.cc:32:1: error: 'macro_rules' does not name a type
   32 | macro_rules! read_value {
      | ^~~~~~~~~~~
a.cc:54:1: error: 'fn' does not name a type
   54 | fn main() {
      | ^~
Language: C++

#include<iostream>
main(){int n;cin>>n;cout<<n*n;}

Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){int n;cin>>n;cout<<n*n;}
      | ^~~~
a.cc: In function 'int main()':
a.cc:2:14: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    2 | main(){int n;cin>>n;cout<<n*n;}
      |              ^~~
      |              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:2:21: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    2 | main(){int n;cin>>n;cout<<n*n;}
      |                     ^~~~
      |                     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

//UG-02-51-19-002

#include <stdio.h>
int main()
{
    int r;
    scanf("%d",&r);
    r = paw(r);
    printf("%d",r);


    return 0;

}


Compiler output:
main.c: In function 'main':
main.c:8:9: error: implicit declaration of function 'paw' [-Wimplicit-function-declaration]
    8 |     r = paw(r);
      |         ^~~
Language: Java

import java.util.*;

public class Main{
public static void main(String[]args){

int result;
Scanner sc=new Scanner(System.in);

int r=sc.nextInt();
double PI=3.14;

result=r*r*PI/1*1*PI;

System.out.println("result");
}
}


Compiler output:
Main.java:12: error: incompatible types: possible lossy conversion from double to int
result=r*r*PI/1*1*PI;
                 ^
1 error
Language: Java

import java.util.*;

public class Main{
public static void main(String[]args){

int result;
Scanner sc=new Scanner(System.in);

int r=sc.nextInt();
int PI=3.14;

result=r*r*PI/1*1*PI;

System.out.println("result");
}
}


Compiler output:
Main.java:10: error: incompatible types: possible lossy conversion from double to int
int PI=3.14;
       ^
1 error
Language: Java

import java.util.*

public class Main{
public static void main(String[]args){

int result;
Scanner sc=new Scanner(System.in);

int r=sc.nextInt();
int PI=3.14;

result=r*r*PI/1*1*PI;

System.out.println("result");
}
}


Compiler output:
Main.java:1: error: ';' expected
import java.util.*
                  ^
1 error
Language: C++

#include <stdio.h>
int main(){
  int r,ans;
  scanf("%d",&r);
  ans = r*r;
  puts("%d",&ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:7: error: too many arguments to function 'int puts(const char*)'
    6 |   puts("%d",&ans);
      |   ~~~~^~~~~~~~~~~
In file included from a.cc:1:
/usr/include/stdio.h:714:12: note: declared here
  714 | extern int puts (const char *__s);
      |            ^~~~
Language: C

#include<stdio.h>
int main(){
  int r;
  scanf("%d",r);
  printf("%d",r*r)
}

Compiler output:
main.c: In function 'main':
main.c:5:19: error: expected ';' before '}' token
    5 |   printf("%d",r*r)
      |                   ^
      |                   ;
    6 | }
      | ~
Language: C++

#include <iostream>
int main() {
  int r; cin >> r;
  std::cout << r * r << std::endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:10: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    3 |   int r; cin >> r;
      |          ^~~
      |          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
      |                  ^~~