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

#include <iostream>

int main(){
  int A, B;
  std::cin >> A >> B;
  std::cout << A*B << end;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:23: error: 'end' was not declared in this scope; did you mean 'std::end'?
    6 |   std::cout << A*B << end;
      |                       ^~~
      |                       std::end
In file included from /usr/include/c++/14/string:53,
                 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/bits/range_access.h:116:37: note: 'std::end' declared here
  116 |   template<typename _Tp> const _Tp* end(const valarray<_Tp>&) noexcept;
      |                                     ^~~
Language: C++

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

int main(){
  int A;
  int B;
  cin >> A >> B;
  cout << A*B <<endl:
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:21: error: expected ';' before ':' token
    8 |   cout << A*B <<endl:
      |                     ^
      |                     ;
Language: C++

#include <bits/stdc++.h>

using namespace std;

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

    cout << A * B << endl;
    return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: expected ';' before '}' token
   11 |     return 0
      |             ^
      |             ;
   12 | }
      | ~
Language: C++

#include <iostream>

int main()
{
  int A, B;
  cin >> A >> B;
  cout << A * B << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> A >> B;
      |   ^~~
      |   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:7:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   cout << A * B << 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:7:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |   cout << A * B << 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 <stdc++.h>
using namespace std;

int main(){

  int a,b;
  
  cin >> a >> b;
  
  cout << (a*b) << endl;
  
return 0;  
}  

Compiler output:
a.cc:1:11: fatal error: stdc++.h: No such file or directory
    1 | # include <stdc++.h>
      |           ^~~~~~~~~~
compilation terminated.
Language: C++

#include <stdio.h>
int a,b;
cin>>a>>b;
cout<<a*b;

Compiler output:
a.cc:3:1: error: 'cin' does not name a type
    3 | cin>>a>>b;
      | ^~~
a.cc:4:1: error: 'cout' does not name a type
    4 | cout<<a*b;
      | ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int a,b;
cin>>a>>b;
cout<<a*b;

Compiler output:
a.cc:4:1: error: 'cin' does not name a type
    4 | cin>>a>>b;
      | ^~~
a.cc:5:1: error: 'cout' does not name a type
    5 | cout<<a*b;
      | ^~~~
Language: C++

int a,b;
cin>>a>>b;
cout<<a*b;

Compiler output:
a.cc:2:1: error: 'cin' does not name a type
    2 | cin>>a>>b;
      | ^~~
a.cc:3:1: error: 'cout' does not name a type
    3 | cout<<a*b;
      | ^~~~
Language: C++

int a,b;
cin>>a>>b;
return a*b;

Compiler output:
a.cc:2:1: error: 'cin' does not name a type
    2 | cin>>a>>b;
      | ^~~
a.cc:3:1: error: expected unqualified-id before 'return'
    3 | return a*b;
      | ^~~~~~
Language: C++

#include <vector>
using namespace std;
int main()
{
    // 整数の入力
    long int in;
    cin >> in;
   	
  	vector<long int> bList;
  	for (int i = 0; i < in; ++i) {
        long int in2;
    	cin >> in2;
      	bList.push_back(in2);
    }
  
  	long int out = 1;
  	int size = bList.size();
  	for(int i =  0; i < size; ++i) {
      cout << bList[i] << endl; 
      out *= bList[i];
      if (out > (long int)pow(10,18)) {
      	out = -1;
      }
      elseif (out == 0) {
        out = 0;
      }
    } 	
    // 出力
    cout << out << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin >> in;
      |     ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include <vector>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:19:7: error: 'cout' was not declared in this scope
   19 |       cout << bList[i] << endl;
      |       ^~~~
a.cc:19:7: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:19:27: error: 'endl' was not declared in this scope
   19 |       cout << bList[i] << endl;
      |                           ^~~~
a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    1 | #include <vector>
  +++ |+#include <ostream>
    2 | using namespace std;
a.cc:21:27: error: 'pow' was not declared in this scope
   21 |       if (out > (long int)pow(10,18)) {
      |                           ^~~
a.cc:24:7: error: 'elseif' was not declared in this scope
   24 |       elseif (out == 0) {
      |       ^~~~~~
a.cc:29:5: error: 'cout' was not declared in this scope
   29 |     cout << out << endl;
      |     ^~~~
a.cc:29:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:29:20: error: 'endl' was not declared in this scope
   29 |     cout << out << endl;
      |                    ^~~~
a.cc:29:20: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C

#include <stdio.h>
signed main(){
    int A,B;
    scanf("%d %d",&A,&B);
    printf("%d\n",A*B);
    retuen(0);
    }

Compiler output:
main.c: In function 'main':
main.c:6:5: error: implicit declaration of function 'retuen' [-Wimplicit-function-declaration]
    6 |     retuen(0);
      |     ^~~~~~
Language: C

#include <stdio.h>
signed main(){
    int a,b;
    scanf("%d %d",&a,&b);
    printf("%d\n",a*b);
    retuen(0);
    }

Compiler output:
main.c: In function 'main':
main.c:6:5: error: implicit declaration of function 'retuen' [-Wimplicit-function-declaration]
    6 |     retuen(0);
      |     ^~~~~~
Language: C++

#include <iostream>

int main(){
  int x,y; cin >> x >> y;
  std::cout << x*y << std::endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:12: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   int x,y; cin >> x >> y;
      |            ^~~
      |            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

A,B = map(int,input().split())
print(A*B)

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | A,B = map(int,input().split())
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'A' [-Wimplicit-int]
main.c:1:3: error: type defaults to 'int' in declaration of 'B' [-Wimplicit-int]
    1 | A,B = map(int,input().split())
      |   ^
main.c:1:7: error: implicit declaration of function 'map' [-Wimplicit-function-declaration]
    1 | A,B = map(int,input().split())
      |       ^~~
main.c:1:11: error: expected expression before 'int'
    1 | A,B = map(int,input().split())
      |           ^~~
main.c:2:1: error: expected ',' or ';' before 'print'
    2 | print(A*B)
      | ^~~~~
Language: C

#include<stdio.h>
main()
{
    int A,B;
    scanf("%d",&A);
    scanf("%d",&B);
    printf("%d\n",A*B)
}

Compiler output:
main.c:2:1: error: return type defaults to 'int' [-Wimplicit-int]
    2 | main()
      | ^~~~
main.c: In function 'main':
main.c:7:23: error: expected ';' before '}' token
    7 |     printf("%d\n",A*B)
      |                       ^
      |                       ;
    8 | }
      | ~
Language: C

#include<stdio.h>
main()
{
    int A, B;
    scanf("%d",&A);
    scanf("%d",&B)
    printf("%d\n",A*B);
}

Compiler output:
main.c:2:1: error: return type defaults to 'int' [-Wimplicit-int]
    2 | main()
      | ^~~~
main.c: In function 'main':
main.c:6:19: error: expected ';' before 'printf'
    6 |     scanf("%d",&B)
      |                   ^
      |                   ;
    7 |     printf("%d\n",A*B);
      |     ~~~~~~
Language: C++

#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<ll,ll>;
using vl = vector<ll>;
using Map = map<ll,ll>;
using Tup = tuple<ll,ll,ll>;
using vvl = vector<vector<ll>>;
#define all(v) v.begin(), v.end()
#define prt(v) cout<<(v)<<"\n";
#define fl cout<<flush;
#define fi(v) get<0>(v)
#define se(v) get<1>(v)
#define th(v) get<2>(v)
#define endl '\n'
template <typename T> inline bool chmax(T &a, const T &b){if (a<b){a=b;return 1;}return 0;}
template <typename T> inline bool chmin(T &a, const T &b){if (a>b){a=b;return 1;}return 0;}
const ll INF=1LL<<60;
const ll MOD=1000000007;
const ll MOD2=998244353;
const ld pi=3.141592653589793238;

signed main(void){
    cin.tie(0);cout.tie(0);ios::sync_with_stdio(false);
    ll A;
    cin >> A;
    ll B;
    cin >> B;
    print(A*B)
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:5: error: 'print' was not declared in this scope; did you mean 'rint'?
   31 |     print(A*B)
      |     ^~~~~
      |     rint
Language: C

#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<ll,ll>;
using vl = vector<ll>;
using Map = map<ll,ll>;
using Tup = tuple<ll,ll,ll>;
using vvl = vector<vector<ll>>;
#define all(v) v.begin(), v.end()
#define prt(v) cout<<(v)<<"\n";
#define fl cout<<flush;
#define fi(v) get<0>(v)
#define se(v) get<1>(v)
#define th(v) get<2>(v)
#define endl '\n'
template <typename T> inline bool chmax(T &a, const T &b){if (a<b){a=b;return 1;}return 0;}
template <typename T> inline bool chmin(T &a, const T &b){if (a>b){a=b;return 1;}return 0;}
const ll INF=1LL<<60;
const ll MOD=1000000007;
const ll MOD2=998244353;
const ld pi=3.141592653589793238;

signed main(void){
    cin.tie(0);cout.tie(0);ios::sync_with_stdio(false);
    ll A;
    cin >> A;
    ll B;
    cin >> B;
    print(A*B)
    return 0;
}


Compiler output:
main.c:2:9: fatal error: bits/stdc++.h: No such file or directory
    2 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: Java

スコード 

Copy
Copy
import java.util.*;
 
class Main{
public static void main(String[] args){
  Scanner sc = new Scanner(System.in);
     int A = sc.nextInt();
     int B = sc.nextInt();
     System.out.println(A * B);
   }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
???? 
^
1 error
Language: Java

import java.util.*;

class Main{
  Scanner sc = new Scanner(System.in);
public static void main(String[] args){
     int A = sc.nextInt();
     int B = sc.nextInt();
     System.out.println(A * B);
   }
}

Compiler output:
Main.java:6: error: non-static variable sc cannot be referenced from a static context
     int A = sc.nextInt();
             ^
Main.java:7: error: non-static variable sc cannot be referenced from a static context
     int B = sc.nextInt();
             ^
2 errors
Language: Java

import java.util.*;

class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int A = sc.nextInt();
int B = sc.nextInt();
System.out.println(A * B):
}

Compiler output:
Main.java:8: error: ';' expected
System.out.println(A * B):
                         ^
Main.java:9: error: reached end of file while parsing
}
 ^
2 errors
Language: C++

#include<iostream>
using namespace std
int main()
{
  int a,b;
  cin>>a>>b;
  cout<<a*b<<endl;
  return 0;
}

Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | int main()
      | ~~~
Language: Java

public static void main(){
  private int A;
  private int B;
  
  if(A >= 0 && A <= 100 && B >= 0 && B <= 100){
    int C = A * B;
    System.out.println(C);
  }
}

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
public static void main(){
              ^
  (use --enable-preview to enable unnamed classes)
Main.java:2: error: illegal start of expression
  private int A;
  ^
Main.java:5: error: class, interface, enum, or record expected
  if(A >= 0 && A <= 100 && B >= 0 && B <= 100){
  ^
Main.java:7: error: class, interface, enum, or record expected
    System.out.println(C);
    ^
Main.java:8: error: class, interface, enum, or record expected
  }
  ^
5 errors
Language: C++

#includ <iostream>
using namespace std;
int main(){
  long long  count = 0;
  for(int i = 0 ; i < 100000 ; i++){
    for(int j = 0 ; j < 100000 ; j++){
      for(int k = 0 ; k < 100000 ; k++){
        count ++;
      }
    }
  }
  cout << "test" << endl;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #includ; did you mean #include?
    1 | #includ <iostream>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:12:3: error: 'cout' was not declared in this scope
   12 |   cout << "test" << endl;
      |   ^~~~
a.cc:1:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #includ <iostream>
a.cc:12:21: error: 'endl' was not declared in this scope
   12 |   cout << "test" << endl;
      |                     ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #includ <iostream>
Language: C++

#includ <iostream>
using namespace std;
int main(){
  long long  count = 0;
  for(int i = 0 : i < 100000 : i++){
    for(int j = 0 : j < 100000 : j++){
      for(int k = 0 : k < 100000 : k++){
        count ++;
      }
    }
  }
  cout << "test" << endl;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #includ; did you mean #include?
    1 | #includ <iostream>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:13: error: initializer in range-based 'for' loop
    5 |   for(int i = 0 : i < 100000 : i++){
      |             ^
a.cc:5:29: error: expected ')' before ':' token
    5 |   for(int i = 0 : i < 100000 : i++){
      |      ~                      ^~
      |                             )
a.cc:5:30: error: expected primary-expression before ':' token
    5 |   for(int i = 0 : i < 100000 : i++){
      |                              ^
a.cc:12:3: error: 'cout' was not declared in this scope
   12 |   cout << "test" << endl;
      |   ^~~~
a.cc:1:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #includ <iostream>
a.cc:12:21: error: 'endl' was not declared in this scope
   12 |   cout << "test" << endl;
      |                     ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #includ <iostream>
Language: C

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

void main(){
  int a, b;
  cin >> a >> b;
  
  cout << a*b << endl;
}


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

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

void main(){
  int a, b;
  cin >> a >> b;
  
  cout << a*b << endl;
}


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

#include<bits/stdc++.h>
int main()
{
  long long int i,a;cin>>i>>a;
  cout<<i*a<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:21: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   long long int i,a;cin>>i>>a;
      |                     ^~~
      |                     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |   cout<<i*a<<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:5:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    5 |   cout<<i*a<<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)
      |     ^~~~
Language: C++

#include<iostream>

#define ll long long int
#define rep(i,n) for(int (i)=0;(i) < (n);(i)++)

using namespace std;

int main(void){
  int a,b;
  cin >> a >> b;
  cout << a*b << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: expected '}' at end of input
   11 |   cout << a*b << endl;
      |                       ^
a.cc:8:15: note: to match this '{'
    8 | int main(void){
      |               ^
Language: C++

#include<iostream>

#define ll long long int
#define rep(i,n) for(int (i)=0;(i) < (n);(i)++)

int main(void){
  int a,b;
  cin >> a >> b;
  cout << a*b << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |   cin >> a >> b;
      |   ^~~
      |   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:9:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |   cout << a*b << 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:9:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |   cout << a*b << 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)
      |     ^~~~
a.cc:9:23: error: expected '}' at end of input
    9 |   cout << a*b << endl;
      |                       ^
a.cc:6:15: note: to match this '{'
    6 | int main(void){
      |               ^
Language: C++

#Include <iostream>
using namespace std;

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

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #Include; did you mean #include?
    1 | #Include <iostream>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope
    8 |   cin>>a>>b;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #Include <iostream>
a.cc:9:3: error: 'cout' was not declared in this scope
    9 |   cout<<a*b;
      |   ^~~~
a.cc:9:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: Java

import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc,nextInt();
        int b = sc.nextInt();
        System.out.println(a*b);
    }
}

Compiler output:
Main.java:7: error: ';' expected
        int a = sc,nextInt();
                          ^
1 error
Language: C++

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

int main(){
    cin>>A>>B;
    cout<<A*B;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'A' was not declared in this scope
    5 |     cin>>A>>B;
      |          ^
a.cc:5:13: error: 'B' was not declared in this scope
    5 |     cin>>A>>B;
      |             ^
Language: C++

#include <iostream>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
const int INF = 1001001001;
using ll = long long;
 
 
int main() {
  ll A;
  double B;

  double ans;
  cin >> A >> B;
  int C = round(B*100);
  //cout << (double)A << B << endl;
  
  ans = A * C / 100;
 
  //cout << fixed << setprecision(1);
  cout << (ll)ans << endl;
 
  return 0;
 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:11: error: 'round' was not declared in this scope
   15 |   int C = round(B*100);
      |           ^~~~~
Language: Java

import java.util.Scanner;
public class main { 
    public static void main(String[] args){
      Scanner s = new Scanner(System.in);
      int a  = s.nextInt();
      int b = s.nextInt();
      int c = a*b;
      System.out.println(c);
    }
}

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

import java.util.Scanner;
Public class main {
 static Scanner s = new Scanner(System.in);
 public static void main(String[] args) {
   int a = s.nextInt();
   int b = s.nextInt();
   int c = a*b;
   System.out.println(c);
 }
}

Compiler output:
Main.java:2: error: class, interface, enum, or record expected
Public class main {
^
1 error
Language: C

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

Compiler output:
main.c: In function 'main':
main.c:4:14: error: invalid operands to binary & (have 'char *' and 'int')
    4 | scanf("%d %d"&a,&b);
      |       ~~~~~~~^
      |       |
      |       char *
Language: C++

#include <iostream>

int main(void)
{
  int a, b;
  cin >> a >> b;
  cout << a*b;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> a >> b;
      |   ^~~
      |   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:7:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   cout << a*b;
      |   ^~~~
      |   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 <__msvc_all_public_headers.hpp>
#define ll long long int
#define endl "\n"
#define mod 1000000007
#define MOD 1000000007

using namespace std;

void solver()
{
    int a,b;
    cin>>a>>b;
    cout<<a*b;
}

int main(int argc, char const *argv[])
{
    #ifndef ONLINE_JUDGE
    freopen("input.txt","r",stdin);   
    freopen("output.txt","w",stdout);
    #endif 
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);


    
    int t=1;
    // cin>>t;
    while(t--)
    {
        solver();
    }
    return 0;
}


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

import java.util.Scanner;

public class Multiplication1 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(a);
		System.out.println(b);
		sc.close();
	}

}


Compiler output:
Main.java:3: error: class Multiplication1 is public, should be declared in a file named Multiplication1.java
public class Multiplication1 {
       ^
1 error
Language: Java

import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long p = 1;
		long tooBig = 1000000000000000000L;

		int n = sc.nextLong();

		for (int i = 0; i < n; i++) {
			p = p * sc.nextLong();
		}

		if (p > tooBig || p < 0) {
			System.out.println(-1);
		} else {
			System.out.println(p);
		}
	}
}

Compiler output:
Main.java:9: error: incompatible types: possible lossy conversion from long to int
		int n = sc.nextLong();
		                   ^
1 error
Language: Java

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

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long p = 1;

		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			p = p * sc.nextLong();
          	if (p > Math.pow(10, 18)) {
        	System.out.println(-1);
          	return;
        }
		System.out.println(p);
	}
}


Compiler output:
Main.java:18: error: reached end of file while parsing
}
 ^
1 error
Language: C++

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

int main()
{
  int a, b;
  cin>>a>>b;
  cout<<a*b<<"\n;
}

Compiler output:
a.cc:8:14: warning: missing terminating " character
    8 |   cout<<a*b<<"\n;
      |              ^
a.cc:8:14: error: missing terminating " character
    8 |   cout<<a*b<<"\n;
      |              ^~~~
a.cc: In function 'int main()':
a.cc:9:1: error: expected primary-expression before '}' token
    9 | }
      | ^
Language: Java

import java.util.*;
 
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long x = sc.nextLong();
    x *=sc.nextDouble()*100;
    sc.close
    System.out.println(x/100L);
  }
}


Compiler output:
Main.java:9: error: ';' expected
    System.out.println(x/100L);
          ^
1 error
Language: Java

import java.io.*;
 
public class Test1{
  public static void main(String[] args)throws IOException{
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int x = Integer.parseInt(br.readLine());
    int y = Integer.parseInt(br.readLine());
    System.out.println(x*y);
  }
}

Compiler output:
Main.java:3: error: class Test1 is public, should be declared in a file named Test1.java
public class Test1{
       ^
1 error
Language: Java

import java.io.*;
 
public class Test1{
  public static void main(String[] args)throws IoException{
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int x = Integer.parseInt(br.readLine);
    int y = Integer.parseInt(br.readLine);
    System.out.println(x*y);
  }
}

Compiler output:
Main.java:3: error: class Test1 is public, should be declared in a file named Test1.java
public class Test1{
       ^
Main.java:4: error: cannot find symbol
  public static void main(String[] args)throws IoException{
                                               ^
  symbol:   class IoException
  location: class Test1
Main.java:6: error: cannot find symbol
    int x = Integer.parseInt(br.readLine);
                               ^
  symbol:   variable readLine
  location: variable br of type BufferedReader
Main.java:7: error: cannot find symbol
    int y = Integer.parseInt(br.readLine);
                               ^
  symbol:   variable readLine
  location: variable br of type BufferedReader
4 errors
Language: Java

import java.io.*;
 
public class Test1{
  public static void main(String[] args)throws IoException{
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in))
    int x = Integer.parseInt(br.readLine);
    int y = Integer.parseInt(br.readLine);
    System.out.println(x*y);
  }
}

Compiler output:
Main.java:5: error: ';' expected
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in))
                                                                            ^
1 error
Language: Java

import java.io.*;

public class Test1{
  public static void main(String[] args)throws IoException{
    BufferdReader br = new BufferedReader(new ImportStreamReader(System.in))
    int x = Integer.parseInt(br.readLine);
    int y = Integer.parseInt(br.readLine);
    System.out.println(x*y);
  }
}

Compiler output:
Main.java:5: error: ';' expected
    BufferdReader br = new BufferedReader(new ImportStreamReader(System.in))
                                                                            ^
1 error
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'll' was not declared in this scope
    4 |   ll a,b;cin>>a>>b;
      |   ^~
a.cc:4:15: error: 'a' was not declared in this scope
    4 |   ll a,b;cin>>a>>b;
      |               ^
a.cc:4:18: error: 'b' was not declared in this scope
    4 |   ll a,b;cin>>a>>b;
      |                  ^
Language: Java

import java.util.Scanner;
class public main{
  public static void main(String[] args){
  Scanner stdIn = new Scanner(System.in);
  
  int a = stdIn.nextInt();
  int b = stdIn.nextInt();
  
   System.out.println(a * b);
	}
}

Compiler output:
Main.java:2: error: <identifier> expected
class public main{
     ^
Main.java:2: error: class, interface, enum, or record expected
class public main{
             ^
Main.java:3: 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)
Main.java:11: error: class, interface, enum, or record expected
}
^
4 errors
Language: Java

import java.math.BigInteger;
import java.util.Scanner;
public class Main {
 
    public static void main(String[] args) {
        long long  n,x,i;
        BigInteger f=new BigInteger("1");
        BigInteger l=new BigInteger("1000000000000000000");
        Scanner inpu=new Scanner(System.in);
        n=inpu.nextLong();
        for(i=0;i<n;i++) {
        x=inpu.nextLong();
        f=f.multiply(BigInteger.valueOf(x));
       
        }
        int val=f.compareTo(l);
        if(val==1)System.out.println("-1");
        else System.out.println(f);
 
    }
 
}


Compiler output:
Main.java:6: error: not a statement
        long long  n,x,i;
        ^
Main.java:6: error: ';' expected
        long long  n,x,i;
            ^
2 errors
Language: Java

import java.util.*

public static void main(String[] args){
int ans=Integer.parseInt(args[0])
 * Integer.prseInt(args[1]);
 
 system.out. println(ans);
}


Compiler output:
Main.java:1: error: ';' expected
import java.util.*
                  ^
Main.java:3: 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)
2 errors
Language: C++

#include <bits/stdc++.h>
using namespaces std;
int a,b;
int main(){
 	cin >> a >> b;
  	cout << (a*b);
  	return 0;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespaces'
    2 | using namespaces std;
      |       ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |         cin >> a >> b;
      |         ^~~
      |         std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |         cout << (a*b);
      |         ^~~~
      |         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<bits/stdc++.h>
using namespace std;
int a,b; 
#define ll long long
int main()
{
cin>>a>>b;
cout<<a*b;
return 0;
}


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

#inlcude <iostream>
using namespace std;

int main(){
	int a, b;
  	cin >> a >> b;
  	cout << a*b << endl;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude <iostream>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> a >> b;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inlcude <iostream>
a.cc:7:9: error: 'cout' was not declared in this scope
    7 |         cout << a*b << endl;
      |         ^~~~
a.cc:7:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:7:24: error: 'endl' was not declared in this scope
    7 |         cout << a*b << endl;
      |                        ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inlcude <iostream>
Language: C

a,b=map(int,input().split())
print(a*b)

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | a,b=map(int,input().split())
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
main.c:1:3: error: type defaults to 'int' in declaration of 'b' [-Wimplicit-int]
    1 | a,b=map(int,input().split())
      |   ^
main.c:1:5: error: implicit declaration of function 'map' [-Wimplicit-function-declaration]
    1 | a,b=map(int,input().split())
      |     ^~~
main.c:1:9: error: expected expression before 'int'
    1 | a,b=map(int,input().split())
      |         ^~~
main.c:2:1: error: expected ',' or ';' before 'print'
    2 | print(a*b)
      | ^~~~~
Language: C++

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

typedef long long ll;

int main() {
	std::ios_base::sync_with_stdio(false);
	cin >> a >> b;
  	cout << a*b << '\n';
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: 'a' was not declared in this scope
    8 |         cin >> a >> b;
      |                ^
a.cc:8:21: error: 'b' was not declared in this scope
    8 |         cin >> a >> b;
      |                     ^
Language: Java

import java.util.*;

public class second
{
  public static void main(String [] args)
  {
    Scanner s = new Scanner(System.in);
    int a = S.nextInt();
    int b = s.nextInt();
    System.out.println(a * b);
  }
}

Compiler output:
Main.java:3: error: class second is public, should be declared in a file named second.java
public class second
       ^
Main.java:8: error: cannot find symbol
    int a = S.nextInt();
            ^
  symbol:   variable S
  location: class second
2 errors
Language: Java

import java.util.*;

public class first
{
  public static void main(String [] args)
  {
    Scanner s = new Scanner(System.in);
    int a = s.nextInt();
    int b = s.nextInt();
    System.out.println(a * b);
  }
}

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

#incude <iostream>
using namespace std;
int main(){
	int a,b;
  	cin>> a >> b >> endl;
	return a*b;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #incude; did you mean #include?
    1 | #incude <iostream>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin>> a >> b >> endl;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #incude <iostream>
a.cc:5:25: error: 'endl' was not declared in this scope
    5 |         cin>> a >> b >> endl;
      |                         ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #incude <iostream>
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: expected ';' before 'cout'
    7 |     cin >> A >> B
      |                  ^
      |                  ;
    8 |     cout << A*B < endl
      |     ~~~~
Language: C++

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

Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int(main){
      |     ^~~~
a.cc:5:5: error: expected primary-expression before 'int'
    5 |     int A;
      |     ^~~
a.cc:5:5: error: expected '}' before 'int'
a.cc:4:10: note: to match this '{'
    4 | int(main){
      |          ^
a.cc:7:5: error: 'cin' does not name a type
    7 |     cin >> A >> B;
      |     ^~~
a.cc:8:5: error: 'cout' does not name a type
    8 |     cout << A*B < endl;
      |     ^~~~
a.cc:9:1: error: expected declaration before '}' token
    9 | }
      | ^
Language: C++

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

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

Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int(main){
      |     ^~~~
a.cc:5:5: error: expected primary-expression before 'int'
    5 |     int A;
      |     ^~~
a.cc:5:5: error: expected '}' before 'int'
a.cc:4:10: note: to match this '{'
    4 | int(main){
      |          ^
a.cc:7:5: error: 'cin' does not name a type
    7 |     cin >> A >> B
      |     ^~~
a.cc:9:1: error: expected declaration before '}' token
    9 | }
      | ^
Language: C++

#include <iostream>

using namespace std;

int main(){
  	int a, b;
	cin >> a >> b;
  cout a * b;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: expected ';' before 'a'
    8 |   cout a * b;
      |       ^~
      |       ;
Language: C++

#include <iostream>

using namespase std;

int main(){
  	int a, b;
	cin >> a >> b;
  cout a * b;
}

Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namespase'
    3 | using namespase std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |         cin >> a >> b;
      |         ^~~
      |         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:8:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   cout a * b;
      |   ^~~~
      |   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 <bits/stdc++.h>
using namespace std;
#define ll long long int
int main(void){
    ll A=0;B=0;
    
    
    cout << A*B << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:12: error: 'B' was not declared in this scope
    5 |     ll A=0;B=0;
      |            ^
Language: C

#include<stdio.h>

main()
{
int(input(A, B);
printf("A * B\n.");
return0;
}

Compiler output:
main.c:3:1: error: return type defaults to 'int' [-Wimplicit-int]
    3 | main()
      | ^~~~
main.c: In function 'main':
main.c:5:16: error: expected ')' before ';' token
    5 | int(input(A, B);
      |                ^
      |                )
main.c:8:1: error: expected declaration or statement at end of input
    8 | }
      | ^
Language: Java



import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer tokenizer = null;
    int totalCases, testNum;

    PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));

    void solve() throws IOException {

    }

    public static void main(String[] args) throws IOException {
        new A().execute();
    }

    void debug(Object... os) {
        System.out.println(Arrays.deepToString(os));
    }

    int ni() throws IOException {
        return Integer.parseInt(ns());
    }

    long nl() throws IOException {
        return Long.parseLong(ns());
    }

    double nd() throws IOException {
        return Double.parseDouble(ns());
    }

    String ns() throws IOException {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
            tokenizer = new StringTokenizer(br.readLine());
        }
        return tokenizer.nextToken();
    }

    String nline() throws IOException {
        tokenizer = null;
        return br.readLine();
    }

    void execute() throws IOException {
        int a = ni();
        int b = ni();
        out.println(a * b);
        
        out.close();
    }

    boolean input() throws IOException {
        return true;
    }

}


Compiler output:
Main.java:24: error: cannot find symbol
        new A().execute();
            ^
  symbol:   class A
  location: class Main
1 error
Language: Java



import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.StringTokenizer;

public class A {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer tokenizer = null;
    int totalCases, testNum;

    PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));

    void solve() throws IOException {

    }

    public static void main(String[] args) throws IOException {
        new A().execute();
    }

    void debug(Object... os) {
        System.out.println(Arrays.deepToString(os));
    }

    int ni() throws IOException {
        return Integer.parseInt(ns());
    }

    long nl() throws IOException {
        return Long.parseLong(ns());
    }

    double nd() throws IOException {
        return Double.parseDouble(ns());
    }

    String ns() throws IOException {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
            tokenizer = new StringTokenizer(br.readLine());
        }
        return tokenizer.nextToken();
    }

    String nline() throws IOException {
        tokenizer = null;
        return br.readLine();
    }

    void execute() throws IOException {
        int a = ni();
        int b = ni();
        out.println(a * b);
        
        out.close();
    }

    boolean input() throws IOException {
        return true;
    }

}


Compiler output:
Main.java:12: error: class A is public, should be declared in a file named A.java
public class A {
       ^
1 error
Language: C++

#include <iostream>

void main(){
 int a,b;
 cin>>a>>b;
  cout<<(a)*(b)<<endl;


}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:2: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |  cin>>a>>b;
      |  ^~~
      |  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<<(a)*(b)<<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:6:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |   cout<<(a)*(b)<<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



import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.StringTokenizer;

public class A {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer tokenizer = null;
    int totalCases, testNum;

    PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));

    void solve() throws IOException {
        int a = ni();
        int b = ni();
        out.println(a * b);
    }

    public static void main(String[] args) throws IOException {
        new A().execute();
    }

    void debug(Object... os) {
        System.out.println(Arrays.deepToString(os));
    }

    int ni() throws IOException {
        return Integer.parseInt(ns());
    }

    long nl() throws IOException {
        return Long.parseLong(ns());
    }

    double nd() throws IOException {
        return Double.parseDouble(ns());
    }

    String ns() throws IOException {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
            tokenizer = new StringTokenizer(br.readLine());
        }
        return tokenizer.nextToken();
    }

    String nline() throws IOException {
        tokenizer = null;
        return br.readLine();
    }

    void execute() throws IOException {
        totalCases = ni();
        for (testNum = 1; testNum <= totalCases; testNum++) {
            if (!input()) {
                break;
            }
            solve();
        }
        out.close();
    }

    boolean input() throws IOException {
        return true;
    }

}


Compiler output:
Main.java:12: error: class A is public, should be declared in a file named A.java
public class A {
       ^
1 error
Language: C++

#include<bits/stdc++.h.
using namespace std;
int main(){int a,b;
  cin>>a>>b;
  cout<<a*b<<"\n";
}

Compiler output:
a.cc:1:24: error: missing terminating > character
    1 | #include<bits/stdc++.h.
      |                        ^
a.cc:1:9: fatal error: bits/stdc++.h.: No such file or directory
    1 | #include<bits/stdc++.h.
      |         ^
compilation terminated.
Language: C

#include <stdio.h>
int main() 
{
	int A, B;
	scanf("%d", & A);
	scanf("%d", & B);
	
	for(A >= 1; A <= 100; i++)
	{
	printf("A * B,\n", A * B);
	}
        A = B
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:31: error: 'i' undeclared (first use in this function)
    8 |         for(A >= 1; A <= 100; i++)
      |                               ^
main.c:8:31: note: each undeclared identifier is reported only once for each function it appears in
main.c:12:14: error: expected ';' before 'return'
   12 |         A = B
      |              ^
      |              ;
   13 |         return 0;
      |         ~~~~~~
Language: C

include <stdio.h>
int main() 
{
	int A, B;
	scanf("%d", & A);
	scanf("%d", & B);
	
	for(A >= 1; A <= 100; i++)
	{
	printf("A * B,\n", A * B);
	}
	return 0;
}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^