criyle/codenet-compile-errors huggingface dataset:
Language: Java

java.util.scanner;

public static void main(String[] args){
	public class Main{
  		int A,B;
  		Scanner push = new Scanner(System.in);
      	A = push.nextInt();
       	B = push.nextInt();
      	int gokei;
      
      	gokei = A * B - ( A + B - 1);
      	
      	System.out.println(sum);
    }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
java.util.scanner;
^
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:4: error: illegal start of expression
	public class Main{
	^
Main.java:7: error: <identifier> expected
      	A = push.nextInt();
      	 ^
Main.java:8: error: <identifier> expected
       	B = push.nextInt();
       	 ^
Main.java:11: error: <identifier> expected
      	gokei = A * B - ( A + B - 1);
      	     ^
Main.java:13: error: <identifier> expected
      	System.out.println(sum);
      	                  ^
Main.java:13: error: <identifier> expected
      	System.out.println(sum);
      	                      ^
Main.java:15: error: class, interface, enum, or record expected
}
^
9 errors
Language: C++

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

int main(){
  int a,b;
  cin >> a >> b;
  cout << (a-1) * (b-1) << endl;
  return 0;
}

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-1) * (b-1) << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:9:28: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |   cout << (a-1) * (b-1) << 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++

import java.util.Scanner;

public class Main {

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

		int area = (a-1) * (b-1);

		System.out.println(area);
	}

}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

#include <iostream>
using namespase std;
int main() {
         int a,b;
         cin>>a>>b;
         cout<<(a-1)*(b-1)<<endl
         return 0;
}
 
 

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespase'
    2 | using namespase std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:10: 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:6:10: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |          cout<<(a-1)*(b-1)<<endl
      |          ^~~~
      |          std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:29: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |          cout<<(a-1)*(b-1)<<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 <iostream>
using namespase std;
int main() {
         int a,b;
         cin>>a>>b;
         cout<<(a-1)*(b-1)<<en
         return 0;
}
 
 

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespase'
    2 | using namespase std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:10: 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:6:10: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |          cout<<(a-1)*(b-1)<<en
      |          ^~~~
      |          std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:29: error: 'en' was not declared in this scope
    6 |          cout<<(a-1)*(b-1)<<en
      |                             ^~
Language: C++

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

int main() {
  cout << (a-1)*(b-1) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:12: error: 'a' was not declared in this scope
    5 |   cout << (a-1)*(b-1) << endl;
      |            ^
a.cc:5:18: error: 'b' was not declared in this scope
    5 |   cout << (a-1)*(b-1) << endl;
      |                  ^
Language: C++

#include <iostream>
using namespace std;
int main()
{
    int len,wid;
    cin>>len>>wid;
    cout<<len*wid-len-wid+1<<endl;
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: expected '}' at end of input
    8 |     return 0;
      |              ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C

#include <stdio.h>

int main(){
  int A, B;
  S = A * B - A - B + 1;
  printf("%d\n", S);
}

Compiler output:
main.c: In function 'main':
main.c:5:3: error: 'S' undeclared (first use in this function)
    5 |   S = A * B - A - B + 1;
      |   ^
main.c:5:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

i=105
N=input()
N=int(N)
m=5
n=0
x=0
y=0
while i <= N:
  if i % 2 != 0:
    if i % 3 == 0:
      n = int(i / 3)
      while m < n:
        if i % m == 0:
          x = x + 1
        m=m+2
      if x == 4:
        y = y + 1
  x=0
  n=0
  m=5
  i = i + 1
print(y)

Compiler output:
a.cc:1:1: error: 'i' does not name a type
    1 | i=105
      | ^
Language: C++

#include <iostream>
using namespace std;
 
int main(){
  int a, b;
  cin >> a >> b;
  cout << a*b - (a+b-1);


Compiler output:
a.cc: In function 'int main()':
a.cc:7:25: error: expected '}' at end of input
    7 |   cout << a*b - (a+b-1);
      |                         ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

main :: IO ()
main = do
  [a, b] <- getInts
  print $ (a - 1) * (b - 1)

getInts :: IO [Int]
getInts = map read . words <$> getLine


Compiler output:
a.cc:1:1: error: 'main' does not name a type
    1 | main :: IO ()
      | ^~~~
Language: C++

#include <iostream>
using namespace std;
 
int main() {
	int a,b;cin>>a>>b;
	cout<<(a-1)*(b-1)<<endl;
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: expected '}' at end of input
    7 |         return 0;
      |                  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;

int  main() {
                 int a,b;cin>>a>>b;
cout<<(a-1)*(b-1)<<end1;
return 0;
}
 

Compiler output:
a.cc: In function 'int main()':
a.cc:6:20: error: 'end1' was not declared in this scope
    6 | cout<<(a-1)*(b-1)<<end1;
      |                    ^~~~
Language: C++

#include <bits/stdc++.h>

int n,m;

int main()
{
	scanf("%d%d",&n,&m),cout<<n*m-m-n+1<<"\n";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:29: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |         scanf("%d%d",&n,&m),cout<<n*m-m-n+1<<"\n";
      |                             ^~~~
      |                             std::cout
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:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <stack>
#include <queue>
#include <cassert>
#include <map>
using namespace std;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:15:21: error: expected primary-expression before '<' token
   15 |     cout << a * b < <endl;
      |                     ^
Language: C++

#include <iostream>
using namespace std;

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

    cout << (A - 1) * (B - 1); << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:32: error: expected primary-expression before '<<' token
    8 |     cout << (A - 1) * (B - 1); << endl;
      |                                ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int a, b;
cin>>a>>b;
cout<<(a * b - a - b + 1);

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 - a - b + 1);
      | ^~~~
Language: C++

#include <bits/stdc++.h>
int a, b;
cin>>a>>b;
cout<<(a * b - a - b + 1);

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 - a - b + 1);
      | ^~~~
Language: Java

package beginer_contest_106;

import java.util.Scanner;

public class garden 
{
	public static void main(String args[])
	{
		Scanner sc = new Scanner(System.in);
		int a,b;
		int x,y;
		a=sc.nextInt();
		b=sc.nextInt();
		x=a-1;
		y=b-1;
		System.out.println(x*y);
	}
}


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

public class PowerOfTwo{
     public static void main(String[] args){
          int answer = 1;

          for( int i=0; i<5; i++ ){ 
               answer = answer * 2; 
          } 

          System.out.print("2の5乗は、");
          System.out.println(answer);
     }
}

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

#include <stdin.h>

int main(){
	int A,B,s;
	
	scanf("%d %d", &A, &B);
	
	s = A * B - A - B;
	
	printf("%s", s);
	return 0;
}

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

public int main(){
  	int a,b,s;
  
  	scanf("%d %d", a, b);
  	s = a * b - (a + b);
  	printf("%s", s);
  	
	return 0;
}

Compiler output:
main.c:1:7: error: expected ';' before 'int'
    1 | public int main(){
      |       ^~~~
      |       ;
main.c: In function 'main':
main.c:4:9: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    4 |         scanf("%d %d", a, b);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | public int main(){
main.c:4:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    4 |         scanf("%d %d", a, b);
      |         ^~~~~
main.c:4:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:6:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    6 |         printf("%s", s);
      |         ^~~~~~
main.c:6:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:6:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:6:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: Java

import java.util.Scanner;
 
public class Main{
 
public static void main(String[] args) {
 
Scanner keyboard = new Scanner(System.in);
int A, B, C;
 
A = keyboard.nextInt();
B = keyboard.nextInt();
C = (A-1) * (B-1)
 
System.out.print(C);
 
keyboard.close();
}
}

Compiler output:
Main.java:12: error: ';' expected
C = (A-1) * (B-1)
                 ^
1 error
Language: Java

import java.util.Scanner;
 
public class Main{
 
public static void main(String[] args) {
 
Scanner keyboard = new Scanner(System.in);
int A, B, C;
 
A = keyboard.nextInt();
B = keyboard.nextInt();
C = (A-1)*(B-1)
 
System.out.print(C);
 
keyboard.close();
}
}

Compiler output:
Main.java:12: error: ';' expected
C = (A-1)*(B-1)
               ^
1 error
Language: Java

import java.util.Scanner;

public class Main

public static void main(String[] args) {

Scanner keyboard = new Scanner(System.in);
int A, B, C;

A = keyboard.nextInt();
B = keyboard.nextInt();
C = (A-1)(B-1)

System.out.print(C);

keyboard.close();
}

Compiler output:
Main.java:3: error: '{' expected
public class Main
                 ^
Main.java:12: error: not a statement
C = (A-1)(B-1)
           ^
Main.java:5: 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:12: error: ';' expected
C = (A-1)(B-1)
         ^
Main.java:12: error: ';' expected
C = (A-1)(B-1)
             ^
5 errors
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
Submission

Compiler output:
a.cc:5:1: error: expected unqualified-id before '{' token
    5 | {
      | ^
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
Submission#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
Submission#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
Submission#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
Submission#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
Submission

Compiler output:
a.cc:21:11: error: stray '#' in program
   21 | Submission#include <iostream>
      |           ^
a.cc:41:11: error: stray '#' in program
   41 | Submission#include <iostream>
      |           ^
a.cc:61:11: error: stray '#' in program
   61 | Submission#include <iostream>
      |           ^
a.cc:81:11: error: stray '#' in program
   81 | Submission#include <iostream>
      |           ^
a.cc:5:1: error: expected unqualified-id before '{' token
    5 | {
      | ^
a.cc:15:1: error: expected unqualified-id before '{' token
   15 | {
      | ^
a.cc:21:1: error: 'Submission' does not name a type
   21 | Submission#include <iostream>
      | ^~~~~~~~~~
a.cc:25:1: error: expected unqualified-id before '{' token
   25 | {
      | ^
a.cc:35:1: error: expected unqualified-id before '{' token
   35 | {
      | ^
a.cc:41:1: error: 'Submission' does not name a type
   41 | Submission#include <iostream>
      | ^~~~~~~~~~
a.cc:45:1: error: expected unqualified-id before '{' token
   45 | {
      | ^
a.cc:55:1: error: expected unqualified-id before '{' token
   55 | {
      | ^
a.cc:61:1: error: 'Submission' does not name a type
   61 | Submission#include <iostream>
      | ^~~~~~~~~~
a.cc:65:1: error: expected unqualified-id before '{' token
   65 | {
      | ^
a.cc:75:1: error: expected unqualified-id before '{' token
   75 | {
      | ^
a.cc:81:1: error: 'Submission' does not name a type
   81 | Submission#include <iostream>
      | ^~~~~~~~~~
a.cc:85:1: error: expected unqualified-id before '{' token
   85 | {
      | ^
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int   main;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}
Submission

Compiler output:
a.cc:5:1: error: expected unqualified-id before '{' token
    5 | {
      | ^
a.cc:15:7: error: cannot declare '::main' to be a global variable
   15 | int   main;
      |       ^~~~
a.cc:16:1: error: expected unqualified-id before '{' token
   16 | {
      | ^
a.cc:22:1: error: 'Submission' does not name a type
   22 | Submission
      | ^~~~~~~~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
{
int a,b;
cin a,b;
cout"a*b-a-b"endl;
 return 0;
}

Compiler output:
a.cc:5:1: error: expected unqualified-id before '{' token
    5 | {
      | ^
Language: C++

/*
Look at the star
Look at the shine for U
*/
#include<bits/stdc++.h>
#define ll long long
#define PII pair<int,int>
#define sl(x) scanf("%lld",&x)
using namespace std;
const int N = 1e6+5;
const int mod = 998244353;
const int INF = 0x3f3f3f3f;
ll inv(ll b){if(b==1)return 1; return (mod-mod/b)*inv(mod%b)%mod;}
ll fpow(ll n,ll k){ll r=1;for(;k;k>>=1){if(k&1)r=r*n%mod;n=n*n%mod;}return r;}
ll s[N],pre[N];

int main()
{
	ll a,b;
	sl(a);sl(b)
	cout<<(a-1)*(b-1)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:9: error: expected ';' before 'cout'
   21 |         cout<<(a-1)*(b-1)<<endl;
      |         ^~~~
Language: C++

import java.math.BigDecimal;
import java.io.*;

class Main {
    public static void main(String args[]) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String s = new String(in.readLine());
        String[] field = s.split(" ", 0);
        
        BigDecimal vertical = new BigDecimal(field[0]);
        BigDecimal width = new BigDecimal(field[1]);
        
        vertical = vertical.add(BigDecimal.ONE.negate());
        width = width.add(BigDecimal.ONE.negate());
        
        BigDecimal area = vertical.multiply(width);
        
        System.out.println(area);
    }
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.math.BigDecimal;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.io.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:11: error: expected ':' before 'static'
    5 |     public static void main(String args[]) throws IOException {
      |           ^~~~~~~
      |           :
a.cc:5:29: error: 'String' has not been declared
    5 |     public static void main(String args[]) throws IOException {
      |                             ^~~~~~
a.cc:5:42: error: expected ';' at end of member declaration
    5 |     public static void main(String args[]) throws IOException {
      |                                          ^
      |                                           ;
a.cc:5:44: error: 'throws' does not name a type
    5 |     public static void main(String args[]) throws IOException {
      |                                            ^~~~~~
a.cc:20:2: error: expected ';' after class definition
   20 | }
      |  ^
      |  ;
Language: C++

#include<iostream>
using namespace std;
int main(){
	int a,b;
	cin>>a>>b;
	cout<<(a-1)(b-1);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:20: error: expression cannot be used as a function
    6 |         cout<<(a-1)(b-1);
      |               ~~~~~^~~~~
Language: C

a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      | ^
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;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |   ^
main.c:1:5: error: return type defaults to 'int' [-Wimplicit-int]
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |     ^~~~
main.c: In function 'main':
main.c:1:12: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |            ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
main.c:1:12: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |            ^~~~~
main.c:1:12: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:18: error: expected expression before '%' token
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                  ^
main.c:1:28: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                            ^~~~~~
main.c:1:28: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:28: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:1:28: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:35: error: expected expression before '%' token
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                                   ^
Language: C++

a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}

Compiler output:
a.cc:1:1: error: 'a' does not name a type
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      | ^
a.cc:1:5: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |     ^~~~
a.cc: In function 'int main()':
a.cc:1:18: error: expected primary-expression before '%' token
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                  ^
a.cc:1:19: error: 'd' was not declared in this scope
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                   ^
a.cc:1:23: error: 'a' was not declared in this scope
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                       ^
a.cc:1:25: error: 'b' was not declared in this scope
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                         ^
a.cc:1:12: error: 'scanf' was not declared in this scope
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |            ^~~~~
a.cc:1:35: error: expected primary-expression before '%' token
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                                   ^
a.cc:1:28: error: 'printf' was not declared in this scope
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
      |                            ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | a,b;main(){scanf(%d%d,a,b);printf(%d,(a-1)*(b-1));}
Language: C++

#include <bits/stdc++.h>
#define FOR(k,m,n) for(int(k)=(m);(k)<(n);(k)++)
#define REP(k,n) FOR((k),0,(n))
using namespace std;
typedef long long ll;
typedef vector<ll> VLL;
const int MOD=1000000007;

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

    int a, b;
    cin >> a >> b;

    cout << (a-1)(b-1) << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:18: error: expression cannot be used as a function
   16 |     cout << (a-1)(b-1) << endl;
      |             ~~~~~^~~~~
Language: Java

/* package codechef; // don't place package name! */

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

/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
	    Scanner in=new Scanner(System.in);
	    int a=in.nextInt();
	    int b=in.nextInt();
	    System.out.println(a*b-a-b+1);
		// your code goes here
	}
}


Compiler output:
Main.java:6: error: package java.Math does not exist
import java.Math.*;
^
1 error
Language: C++

#include <iostream>

using namespace std;

int min()
{
    int a, b; cin >> a >> b;
    cout << ((a - 1) * (b - 1)) << 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>
int main(){int a,b;scanf("%d %d",&a,&b);printf("%d",a*b-a-b+1);return 0}

Compiler output:
main.c: In function 'main':
main.c:2:72: error: expected ';' before '}' token
    2 | int main(){int a,b;scanf("%d %d",&a,&b);printf("%d",a*b-a-b+1);return 0}
      |                                                                        ^
      |                                                                        ;
Language: C

#include<stdio.h>

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

    print("%d",(A-1)*(B-1));
    
}

Compiler output:
main.c: In function 'main':
main.c:8:5: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
    8 |     print("%d",(A-1)*(B-1));
      |     ^~~~~
      |     printf
Language: C++

#include<iostream>

using namespace std;

int main(){
  cin>>a>>b;
  cout<<(a-1)*(b-1)<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: 'a' was not declared in this scope
    6 |   cin>>a>>b;
      |        ^
a.cc:6:11: error: 'b' was not declared in this scope
    6 |   cin>>a>>b;
      |           ^
Language: C++

#pragma GCC optimize "Ofast"
#pragma GCC optimize "unroll-loops"
#pragma GCC target "sse,sse2,sse3,sse4,abm,avx,mmx,popcnt,tune=native"
#include <bits/stdc++.h>
#define scan(x) do{while((x=getchar_unlocked())<'0'); for(x-='0'; '0'<=(_=getchar_unlocked()); x=(x<<3)+(x<<1)+_-'0');}while(0)
char _;
#define ll long long
#define MAXN 510
#define INF 0x3f3f3f3f
#define min(a, b) (a) < (b) ? (a) : (b)
#define max(a, b) (a) < (b) ? (b) : (a)
#define vi vector<int>
#define pb push_back
#define pii pair<int, int>
#define mp make_pair
#define f first
#define s second
#define mii map<int, int>
#define umii unordered_map<int, int>
#ifdef DEBUG
	#define D(x...) printf(x)
#else
	#define D(x...)
#endif
using namespace std;

string S;

int main (int argc, char const *argv[]) {
	#ifdef NOT_DMOJ
	freopen("in.txt", "r", stdin);
	freopen("out.txt", "w", stdout);
	#endif // NOT_DMOJ
	cin.sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> N >> M >> Q;
	int ind = 0;
	while (ind < S.size() && S[ind] == '1') ++ind;
	if (ind < K) cout << S[ind] << "\n";
	else cout << 1 << "\n";
	return 0;
}

/* 
 * Look for:
 * the exact constraints (multiple sets are too slow for n=10^6 :( ) 
 * special cases (n=1?)
 * overflow (ll vs int?)
 * array bounds
 */

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:37:16: error: 'N' was not declared in this scope
   37 |         cin >> N >> M >> Q;
      |                ^
a.cc:37:21: error: 'M' was not declared in this scope
   37 |         cin >> N >> M >> Q;
      |                     ^
a.cc:37:26: error: 'Q' was not declared in this scope
   37 |         cin >> N >> M >> Q;
      |                          ^
a.cc:40:19: error: 'K' was not declared in this scope
   40 |         if (ind < K) cout << S[ind] << "\n";
      |                   ^
Language: C++

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

public class Main {
	
	public static void main(String[] args) throws IOException {
		MyScanner sc = new MyScanner();
		PrintWriter out = new PrintWriter(System.out);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int ans = a * b - a - b + 1;
		out.println(ans);
		
		out.flush();
	}
	
	static class MyScanner {
		private BufferedReader br;
		private StringTokenizer tokenizer;
		
		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}
		
		public String next() {
			while (tokenizer == null || !tokenizer.hasMoreTokens()) {
				try {
					tokenizer = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					throw new RuntimeException(e);
				}
			}
			return tokenizer.nextToken();
		}
		
		public int nextInt() {
			return Integer.parseInt(next());
		}
		
		public long nextLong() {
			return Long.parseLong(next());
		}
	}
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.io.BufferedReader;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.io.IOException;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.io.InputStreamReader;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: 'import' does not name a type
    4 | import java.io.PrintWriter;
      | ^~~~~~
a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: 'import' does not name a type
    5 | import java.util.StringTokenizer;
      | ^~~~~~
a.cc:5:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:7:1: error: expected unqualified-id before 'public'
    7 | public class Main {
      | ^~~~~~
Language: Java

import java.util.Scanner;

  public class Main{

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

     System.out.println((a-1)*(b-1));
    }
 }

Compiler output:
Main.java:6: error: <identifier> expected
      Scanner scanner=new.Scanner(System.in);
                         ^
1 error
Language: C

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

int main(void){
    int a,b;
    scanf("%d%d",&a,&b);
    printf("%d\n"(a-1)*(b-1));
	return 0 ;
}

Compiler output:
main.c: In function 'main':
main.c:11:12: error: called object is not a function or function pointer
   11 |     printf("%d\n"(a-1)*(b-1));
      |            ^~~~~~
Language: Java

import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    System.out.println((sc.nextInt()-1)*sc.nextInt()-1));
  }
}

Compiler output:
Main.java:6: error: ';' expected
    System.out.println((sc.nextInt()-1)*sc.nextInt()-1));
                                                       ^
1 error
Language: C

#include<stdio.h>

int main(){
	char s[105];
	int i=0;
	//for(i=0;i<105;i++)s[i]='1';
	long k;
	scanf("%s%ld",s,&k);
	if(k==1){
      	printf("%c",s[0]);
      else{
	for(i=0;i<k-1;i++){
		if(s[i]==NULL){
			i=0;
			break;
		}
		if(s[i]!='1')break;
	}
    if(i==k)puts("1");
	printf("%c",s[i]);
      }
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:7: error: expected '}' before 'else'
   11 |       else{
      |       ^~~~
main.c:13:24: warning: comparison between pointer and integer
   13 |                 if(s[i]==NULL){
      |                        ^~
Language: C++

#include <iostream>
#include <cstdlib>

int main()
{
    int a,b;
    
    cin>>a,b;
    
    std::cout << (a-1)*(b-1) << std::endl;
    
    return 0;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: 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
      |                  ^~~
Language: C++

#include<bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
int main() {
	string S;
	cin >> S;
	ll K;
	cin >> K;
	for (ll i = 0; i <K i++) {
		if (S[i] != '1'){
		cout << S[i] << endl;
      	return 0;
        }
	}
  	cout<<1<<endl;
  	return 0;
}










Compiler output:
a.cc: In function 'int main()':
a.cc:10:28: error: expected ';' before 'i'
   10 |         for (ll i = 0; i <K i++) {
      |                            ^~
      |                            ;
Language: C++

#include<iostream>

using namespace std;

int main()
{
	ios::sync_with_stdio(false);
	int a,b,s;
	while(cin>>a>>b)
	{
		s=(a-1)*(b-1);
		cout<<s<<endl;
	} 
	
	return 0;
}
v

Compiler output:
a.cc:17:1: error: 'v' does not name a type
   17 | v
      | ^
Language: Java

import java.util.*;
import java.io.*;
 
import static java.lang.Math.*;
import static java.util.Arrays.*;
import static java.util.Collections.*;
 
public class Main{
    static final long mod=1000000007;
    
    public  static void main(String[] args)   throws Exception, IOException{
        Reader sc = new Reader(System.in);
        PrintWriter out=new PrintWriter(System.out);
        // int n=sc.nextInt();
        // char c[][] = new char[h][w];
        // char c[]=sc.nextString().toCharArray();
        // for(int i=0; i<n; i++) {d[i]=sc.nextInt();}

        int n=sc.nextInt();
        int n=sc.nextInt();
        n--;m--;
        out.println(m*n);
        out.flush();
    }


    static void db(Object... os){
        System.err.println(Arrays.deepToString(os));
    }  
}

class P implements Comparable<P>{
    int id, d;
    P(int  id, int d) {
        this.id=id;
        this.d=d;
    }
    public int compareTo(P p){
        return d-p.d; //des
    }
}

class Reader
{ 
    private BufferedReader x;
    private StringTokenizer st;
    
    public Reader(InputStream in)
    {
        x = new BufferedReader(new InputStreamReader(in));
        st = null;
    }
    public String nextString() throws IOException
    {
        while( st==null || !st.hasMoreTokens() )
            st = new StringTokenizer(x.readLine());
        return st.nextToken();
    }
    public int nextInt() throws IOException
    {
        return Integer.parseInt(nextString());
    }
    public long nextLong() throws IOException
    {
        return Long.parseLong(nextString());
    }
    public double nextDouble() throws IOException
    {
        return Double.parseDouble(nextString());
    }
}

Compiler output:
Main.java:20: error: variable n is already defined in method main(String[])
        int n=sc.nextInt();
            ^
Main.java:21: error: cannot find symbol
        n--;m--;
            ^
  symbol:   variable m
  location: class Main
Main.java:22: error: cannot find symbol
        out.println(m*n);
                    ^
  symbol:   variable m
  location: class Main
3 errors
Language: C++

include<iostream>
using namespace std;
int main(){
 int a,b;
 cin>>a>>b;
 cout << (a-1)*(b-1)
  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:5:2: error: 'cin' was not declared in this scope
    5 |  cin>>a>>b;
      |  ^~~
a.cc:6:2: error: 'cout' was not declared in this scope
    6 |  cout << (a-1)*(b-1)
      |  ^~~~
Language: C++

#include <iostream>
using namespace std;

int main()
{
    int a, b, x ;
    cin>>a>>b ;
    x=(a*b)-(1*b)-(1*(a-1));{
    cout<<x;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<bits/stdc++.h>
#define rep(i,m) for(long long i=0; i<m; i++)
#define FOR(i,n,m) for(long long i=n; i<m; i++)
#define all(x) (x).begin(),(x).end()
#define EPS (1e-7)
#define INF (1e9)
#define PI (acos(-1))
using namespace std;
typedef long long ll;
const ll MOD = (1e+9)+7;
typedef pair<ll, ll> LP;
ll POW(ll m,ll n)
{
  cin >> a >> b;
  printf("%d",a*b-a-b+1);
}

Compiler output:
a.cc: In function 'll POW(ll, ll)':
a.cc:14:10: error: 'a' was not declared in this scope
   14 |   cin >> a >> b;
      |          ^
a.cc:14:15: error: 'b' was not declared in this scope
   14 |   cin >> a >> b;
      |               ^
a.cc:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
   16 | }
      | ^
Language: C++

#define _USE_MATH_DEFINES
#include <assert.h>
#include <math.h>
#include <algorithm>
#include <vector>
#include <string>
#include <list>
#include <set>
#include <map>
#include <unordered_map>
#include <queue>
#include <sstream>
#include <iostream>
#include <fstream>
#include <iomanip>

using namespace std;
typedef long long     ll;
typedef unsigned int  UInt;
#define ALL(a)          (a).begin(), (a).end()
#define FOR(i,a,b)      for(int i = a;   i <  (int)(b); ++i)
#define FOR_REV(i,a,b)  for(int i = b-1; i >= (int)(a); --i)
#define FOR_EACH(it,a)  for(remove_reference<decltype(a)>::type::iterator it = (a).begin(); it != (a).end(); ++it)
#define FOR_EACH_REV(it,a) for(remove_reference<decltype(a)>::type::reverse_iterator it = (a).rbegin(); it != (a).rend(); ++it)
#define FOR_EACH_CONST(it,a) for(remove_reference<decltype(a)>::type::const_iterator it = (a).begin(); it != (a).end(); ++it)
#define FOR_EACH_CONST_REV(it,a) for(remove_reference<decltype(a)>::type::const_reverse_iterator it = (a).rbegin(); it != (a).rend(); ++it)
template<class T> inline T   sqr(T v)  { return v * v; }
template<class T> inline int sign(T v) { return v == 0 ? 0 : (v > 0 ? 1 : -1); }
template<class T> inline int get_bit(T v, int bit_index) { return (v >> bit_index) & 1; } //return {0,1}
#define IN_INT(a)            int a;       is >> a;
#define IN_INT2(a,b)         int a,b;     is >> a >> b;
#define IN_INT3(a,b,c)       int a,b,c;   is >> a >> b >> c;
#define IN_INT4(a,b,c,d)     int a,b,c,d; is >> a >> b >> c >> d;
#define IN_LL(a)             ll a;        is >> a;
#define IN_LL2(a,b)          ll a,b;      is >> a >> b;
#define IN_LL3(a,b,c)        ll a,b,c;    is >> a >> b >> c;
#define IN_LL4(a,b,c,d)      ll a,b,c,d;  is >> a >> b >> c >> d;
#define IN_STR(s)            string s;    is >> s;

//////////////////////////////////////////////////////////////////////////

istream& input(bool release_tie = false)
{
  ios_base::sync_with_stdio(false);
#ifdef INPUT_FROM_FILE
  static ifstream is("CodeForces/input.txt");
  return is;
#endif
  if (release_tie)
    cin.tie(NULL);
  return cin;
}

ostream& output(bool release_tie = false)
{
  cout << setprecision(15);
  if (release_tie)
    cout.tie(NULL);
  return cout;
}

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
//

void main()
{
  istream& is = input();
  ostream& os = output();

  IN_INT2(a,b);
  cout<<a*b-a-b+1;
}


Compiler output:
a.cc:66:1: error: '::main' must return 'int'
   66 | void main()
      | ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pr pair<int,int>
#define mp make_pair
#define pb push_back
const int MAXN =1e6 + 5;
const ll INF = 0x3f3f3f3f3f3f3f;
const ll mod =1e9 + 7;
const ll TIME = 5e15;
int main()
{
    string s;
    ll n;
    cin>>s>>n;
    if(n < s.length(); && s[n-1] == '1')
    {
        return cout<<1<<endl,0;
    }
    for(auto c : s)
    {
        if(c != '1') return cout<<c<<endl,0;
    }
    cout<<'1'<<endl;
    return  0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:28: error: expected ')' before '[' token
   16 |     if(n < s.length(); && s[n-1] == '1')
      |       ~                    ^
      |                            )
a.cc:16:27: error: label 's' used but not defined
   16 |     if(n < s.length(); && s[n-1] == '1')
      |                           ^
Language: Java

import java.util.Scanner;

public class test1 {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		Integer A = scan.nextInt();
		Integer B = scan.nextInt();
		Integer area = 0;
		if (A > 2 && A < 100) {
			if (B > 2 && B < 100) {
				area = (A - 1) * (B - 1);
			}
			System.out.println(area);
		}
	}
}


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: C

#include<stdio.h>
int main(void)
{
    char s[101]; 
    unsigned long k;
    scanf("%s",&s);
    scanf("%u",&k);
    int len=0;
    int i;
    char ans[2]="1";
    while(s[len++])
    int c=len<k?k:len;
    for(i=0;i<c;i++)
    {
        if(s[i]!='1')
            {ans[0]=s[i];  break;}
    }
    printf("%s",ans);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:5: error: expected expression before 'int'
   12 |     int c=len<k?k:len;
      |     ^~~
main.c:13:15: error: 'c' undeclared (first use in this function)
   13 |     for(i=0;i<c;i++)
      |               ^
main.c:13:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main() {
  int a, b;
  cin >> a >> b;
  cout << (a - 1) * (b - 1) << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:7:37: error: expected '}' at end of input
    7 |   cout << (a - 1) * (b - 1) << endl;
      |                                     ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
int main(){
  int A, B;
  std::cin >> A >> B;
  std::cout << (A-1)*(B-1) << std::endl;
  retuen 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'retuen' was not declared in this scope
    6 |   retuen 0;
      |   ^~~~~~
Language: C++

#include <iostream>
using namespace std;

int main(){
  int a, b;
  cin >> a >> b;
  int y = (a + b) - 1
  cout << (a*b) - y << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: expected ',' or ';' before 'cout'
    8 |   cout << (a*b) - y << endl;
      |   ^~~~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(void)
{
	string N;
	unsigned __int64 S;
	cin >> N >> S;
	if(N[0]==1)
		cout << N[1] << endl;
	else
		cout << N[0] << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:26: error: expected initializer before 'S'
    7 |         unsigned __int64 S;
      |                          ^
a.cc:8:21: error: 'S' was not declared in this scope
    8 |         cin >> N >> S;
      |                     ^
Language: C

include <stdio.h>
int main(void)
{
 
    int a,b,c;
    int d=0;
    int ans=0;
    scanf("%d",&a);
    for(b=1; b<=a; b+=2)
    {
        for(c=1;c<=b;c+=2)
        {
            if(b%c==0)
               { d++;}
        }

        if(d==8)
           { ans++;}
    }
    printf("%d",ans);

    return 0;
}


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

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int a,b,ans;
   cin>>a>>b;
ans = (a-1)*(b-1);
  
  cout<<ans<<endl
    
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: expected ';' before 'return'
    9 |   cout<<ans<<endl
      |                  ^
      |                  ;
   10 | 
   11 |  return 0;
      |  ~~~~~~
Language: C++

#include <stdio.h>
int main(){
	int a,b;
	scanf("%d %d",a,b);
    printf("%d\n",(a-1)*(b-1);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:30: error: expected ')' before ';' token
    5 |     printf("%d\n",(a-1)*(b-1);
      |           ~                  ^
      |                              )
Language: C++

include <stdio.h>
int main(){
	int a,b;
	scanf("%d %d",a,b);
    printf("%d\n",(a-1)*(b-1);
    return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <stdio.h>
      | ^~~~~~~
Language: Java

import java.util.*;

class Main {
static Scanner scan = new Scanner(System.in);
  
  public static void main(String[] args){
  
    int tate = scan.next();
    int yoko = scan.next();
    
    tate -= 1;
    yoko -= 1;
    
    return (tate*yoko);
  }
}

Compiler output:
Main.java:8: error: incompatible types: String cannot be converted to int
    int tate = scan.next();
                        ^
Main.java:9: error: incompatible types: String cannot be converted to int
    int yoko = scan.next();
                        ^
Main.java:14: error: incompatible types: unexpected return value
    return (tate*yoko);
           ^
Main.java:14: error: incompatible types: int cannot be converted to void
    return (tate*yoko);
                ^
4 errors
Language: C++

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <set>
#include <vector>
#include <queue>
#include <cmath>
using namespace std;
const int maxn=1456;
bool sieve[maxn];
int sp[maxn];
void prmgen2()//quick factorisation of numbers<10^6
{
	memset(sieve+2,1,sizeof(sieve)-2);
	int len=sqrt(maxn)+1;
	for(int i=2;i<=len;i++)
		if(sieve[i])
		{
			sp[i]=i;
			for(int j=i*i;j<maxn;j+=i)
				if(sp[j]==0)
				{
					sieve[j]=0;
					sp[j]=i;
				}
		}
	for(int i=len+1;i<maxn;i++)
		if(sieve[i])
			sp[i]=i;
}
int arr[1000];
int main()
{
    prmgen2();
    int n;
    cin >> n;
    int cnt = 0;
    for (int i = 1; i<= n; i+=2){
        fill(arr, arr + i+1, 0);
        int temp = i;
        while(temp>1){
            arr[sp[temp]]++;
            temp/=sp[temp];
        }
        temp = 1;
        for (int j = 1; j*j <= i; j++){
            temp *= (arr[j] +1);
        }
        if (temp == 8)
            cnt++;
    }
    cout << cnt;
	return 0;
}	


Compiler output:
a.cc: In function 'void prmgen2()':
a.cc:14:9: error: 'memset' was not declared in this scope
   14 |         memset(sieve+2,1,sizeof(sieve)-2);
      |         ^~~~~~
a.cc:8:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    7 | #include <cmath>
  +++ |+#include <cstring>
    8 | using namespace std;
Language: C++

#include<bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
int main() {
	ll　A,B;
  	cin>>A;
  	cin>>B;
  	cout<<A*B-A-B+1<<endl;


}











Compiler output:
a.cc:6:9: error: extended character 　 is not valid in an identifier
    6 |         ll　A,B;
      |         ^
a.cc: In function 'int main()':
a.cc:6:9: error: 'll\U00003000A' was not declared in this scope
    6 |         ll　A,B;
      |         ^~~~~
a.cc:6:15: error: 'B' was not declared in this scope
    6 |         ll　A,B;
      |               ^
a.cc:7:14: error: 'A' was not declared in this scope
    7 |         cin>>A;
      |              ^