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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: 'scanf' was not declared in this scope
    4 |         scanf("%d",&a);
      |         ^~~~~
a.cc:11:9: error: 'printf' was not declared in this scope
   11 |         printf("%d\n",m);
      |         ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main(void)
Language: C

#include <stdio.h>

int main() {
	int A, B;

	scanf("%d %d", &A, &B);

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

	return 0
}

Compiler output:
main.c: In function 'main':
main.c:10:17: error: expected ';' before '}' token
   10 |         return 0
      |                 ^
      |                 ;
   11 | }
      | ~
Language: C++

v#include <iostream>

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


Compiler output:
a.cc:1:2: error: stray '#' in program
    1 | v#include <iostream>
      |  ^
a.cc:1:1: error: 'v' does not name a type
    1 | v#include <iostream>
      | ^
a.cc: In function 'int main()':
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin >> a >> b;
      |     ^~~
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout << a * b - (a + b) + 1;
      |     ^~~~
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-1)*(b-1));
      sc.close();
    }
}

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

#include <cstdio>

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


Compiler output:
a.cc: In function 'int main()':
a.cc:7:28: error: expected ';' before 'return'
    7 |     printf("%d", A*B-(A+B))
      |                            ^
      |                            ;
    8 |     return 0;
      |     ~~~~~~
Language: C++

#include<stdio.h>
int main(void){
  int a,b;
  scanf("%d %d",&a,&b);
  c=(a-1)*(b-1);
  printf("%d",c);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'c' was not declared in this scope
    5 |   c=(a-1)*(b-1);
      |   ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  cin >> A >> B;
  cout << (A-1)*(B-1) <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:10: error: 'A' was not declared in this scope
    4 |   cin >> A >> B;
      |          ^
a.cc:4:15: error: 'B' was not declared in this scope
    4 |   cin >> A >> B;
      |               ^
Language: C++

#incldue<iostream>
using namespace std;
int main(){
  cin >> A >> B;
  cout << (A-1)*(B-1) <<endl;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #incldue; did you mean #include?
    1 | #incldue<iostream>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope
    4 |   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 | #incldue<iostream>
a.cc:4:10: error: 'A' was not declared in this scope
    4 |   cin >> A >> B;
      |          ^
a.cc:4:15: error: 'B' was not declared in this scope
    4 |   cin >> A >> B;
      |               ^
a.cc:5:3: error: 'cout' was not declared in this scope
    5 |   cout << (A-1)*(B-1) <<endl;
      |   ^~~~
a.cc:5:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:5:25: error: 'endl' was not declared in this scope
    5 |   cout << (A-1)*(B-1) <<endl;
      |                         ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #incldue<iostream>
Language: C++

#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
#include <cstdlib>
#include <cmath>
#include <numeric>
#include <tuple>
#include <stack>

#define rep(i,n) for (int i = 0; i < (n); ++i)
#define all(x) x.begin(),x.end()
#define print(s) cout << s << endl
typedef long long ll;
using namespace std;

int main() {
    int a, b; cin >> a >> b;
    cout << (a-1)*(b-1) << endl;
}#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
#include <cstdlib>
#include <cmath>
#include <numeric>
#include <tuple>
#include <stack>

#define rep(i,n) for (int i = 0; i < (n); ++i)
#define all(x) x.begin(),x.end()
#define print(s) cout << s << endl
typedef long long ll;
using namespace std;

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

Compiler output:
a.cc:20:2: error: stray '#' in program
   20 | }#include <iostream>
      |  ^
a.cc:20:3: error: 'include' does not name a type
   20 | }#include <iostream>
      |   ^~~~~~~
a.cc:36:5: error: redefinition of 'int main()'
   36 | int main() {
      |     ^~~~
a.cc:17:5: note: 'int main()' previously defined here
   17 | int main() {
      |     ^~~~
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:7:16: error: expression cannot be used as a function
    7 |   cout << (a-1)(b-1) << endl;
      |           ~~~~~^~~~~
Language: C++

#include "stdafx.h"
#include<algorithm>
#include <iostream>
#include<cstdio>
#include<cmath>
#include<iomanip>
#include<string>
using namespace std;
int main() {

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

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


	cout << ans << endl;



	return 0;
}

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

#incude <stdio.h>

int A;
int B;
int main(){
scanf("%d%d",&A,&B);
  printf("%d",(A-1)*(B-1));
  return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #incude; did you mean #include?
    1 | #incude <stdio.h>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:1: error: 'scanf' was not declared in this scope
    6 | scanf("%d%d",&A,&B);
      | ^~~~~
a.cc:7:3: error: 'printf' was not declared in this scope
    7 |   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 | #incude <stdio.h>
Language: C++

#include <stdio.h>

int main(void){
	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:5:29: error: expected ';' before 'printf'
    5 |         scanf("%d,%d",&A,&B)
      |                             ^
      |                             ;
    6 |         printf("%d\n",A-1,B-1);
      |         ~~~~~~
Language: Java

import java.util.scanner;

Class test{
public static main(String args[]) {

int A = scanner.nextInt();
int B = scanner.nextInt();

int C = ((A-1)*(B-1));

System.ou.println(C)
}
}

Compiler output:
Main.java:3: error: class, interface, enum, or record expected
Class test{
^
Main.java:4: error: class, interface, enum, or record expected
public static main(String args[]) {
              ^
Main.java:7: error: unnamed classes are a preview feature and are disabled by default.
int B = scanner.nextInt();
^
  (use --enable-preview to enable unnamed classes)
Main.java:11: error: class, interface, enum, or record expected
System.ou.println(C)
^
4 errors
Language: Java

import java.util.scanner;

Class test{
public static void main(String args[]) {

int A = scanner.nextInt();
int B = scanner.nextInt();

int C = ((A-1)*(B-1));

System.ou.println(C)
}
}

Compiler output:
Main.java:3: error: class, interface, enum, or record expected
Class test{
^
Main.java:4: 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: ';' expected
System.ou.println(C)
                    ^
Main.java:13: error: class, interface, enum, or record expected
}
^
4 errors
Language: C++

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

int main(){
  int N,i;
  cin >> N >> i;
  cout << (N-1)(i-1) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expression cannot be used as a function
    7 |   cout << (N-1)(i-1) << endl;
      |           ~~~~~^~~~~
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:8:36: error: expected primary-expression before '<<' token
    8 |         cout << (A - 1) * (B - 1); << endl;
      |                                    ^~
Language: C++

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

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inclde; did you mean #include?
    1 | #inclde<bits/stdc++.h>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   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 | #inclde<bits/stdc++.h>
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout<<a*b-a-b+1<<endl;
      |   ^~~~
a.cc:6:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:6:20: error: 'endl' was not declared in this scope
    6 |   cout<<a*b-a-b+1<<endl;
      |                    ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inclde<bits/stdc++.h>
Language: C++

#include<string>
using namespace std;

int main(){
    int A,B;
    cin >> A >> B;
    int ans=0;
    ans=(A-1)*(B-1);
    cout<<ans<<endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> A >> B;
      |     ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<string>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:9:5: error: 'cout' was not declared in this scope
    9 |     cout<<ans<<endl;
      |     ^~~~
a.cc:9:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:16: error: 'endl' was not declared in this scope
    9 |     cout<<ans<<endl;
      |                ^~~~
a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    1 | #include<string>
  +++ |+#include <ostream>
    2 | using namespace std;
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:28: error: invalid operands of types 'const int' and '<unresolved overloaded function type>' to binary 'operator<<'
    6 |   cout<<(max(0,(a-1)*(b-1))<<endl;
      |          ~~~~~~~~~~~~~~~~~~^~~~~~
a.cc:6:34: error: expected ')' before ';' token
    6 |   cout<<(max(0,(a-1)*(b-1))<<endl;
      |         ~                        ^
      |                                  )
Language: C++

#include<queue>
#include<stack>
#include<set>
#include<map>
#include<unordered_set>
#include<unordered_map>
#include<bitset>
using namespace std;

signed main() {
	int A, B,ans;
	cin >> A >> B;
	ans = A * B - A + B;
	cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'cin' was not declared in this scope
   12 |         cin >> A >> B;
      |         ^~~
a.cc:8:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    7 | #include<bitset>
  +++ |+#include <iostream>
    8 | using namespace std;
a.cc:14:9: error: 'cout' was not declared in this scope
   14 |         cout << ans << endl;
      |         ^~~~
a.cc:14:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:14:24: error: 'endl' was not declared in this scope
   14 |         cout << ans << endl;
      |                        ^~~~
a.cc:8:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    7 | #include<bitset>
  +++ |+#include <ostream>
    8 | using namespace std;
Language: C++

#include <bits/stdc++.h>
#define REP(i,n) for(ll i = 0; i < (ll)n; i++)
#define FOR(i,a,b) for (ll i=(a);i<(ll)b; i++)
#define ALL(obj) (obj).begin(),(obj).end()
#define INF 1000000000000000
using namespace std;
typedef long long ll;
typedef double db;
typedef string str;
typedef pair<ll,ll> p;
const int MOD = 1000000007;

int main(){
    intA,B;cin>>A>>B;
    cout<<(A-1)*(B-1)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'intA' was not declared in this scope; did you mean 'int'?
   14 |     intA,B;cin>>A>>B;
      |     ^~~~
      |     int
a.cc:14:10: error: 'B' was not declared in this scope
   14 |     intA,B;cin>>A>>B;
      |          ^
a.cc:14:17: error: 'A' was not declared in this scope
   14 |     intA,B;cin>>A>>B;
      |                 ^
Language: C

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

Compiler output:
main.c: In function 'main':
main.c:3:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |   scanf("%d,%d",&a,&b);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(void){
main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |   scanf("%d,%d",&a,&b);
      |   ^~~~~
main.c:3:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:4:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    4 |   printf("%d"(a-1)*(b-1);
      |   ^~~~~~
main.c:4:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:4:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:10: error: called object is not a function or function pointer
    4 |   printf("%d"(a-1)*(b-1);
      |          ^~~~
main.c:4:25: error: expected ')' before ';' token
    4 |   printf("%d"(a-1)*(b-1);
      |         ~               ^
      |                         )
main.c:5:12: error: expected ';' before '}' token
    5 |   return 0;
      |            ^
      |            ;
    6 |          }
      |          ~
Language: C++

int main() {

  int A;
  int B;

  std::cin >> A >> B;

  std::cout << A * B - (A + B) << std::endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: 'cin' is not a member of 'std'
    6 |   std::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 | int main() {
a.cc:8:8: error: 'cout' is not a member of 'std'
    8 |   std::cout << A * B - (A + B) << std::endl;
      |        ^~~~
a.cc:8:8: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:8:40: error: 'endl' is not a member of 'std'
    8 |   std::cout << A * B - (A + B) << std::endl;
      |                                        ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | int main() {
Language: C++

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

int main(void){
    int A,B;
    cin>>A>>B;
    cout<<(A-1)*(B-1)<<endl;
    return 0;
}


Compiler output:
a.cc: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>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: 'b' was not declared in this scope
    6 |     cin>>a>>b;
      |             ^
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
      	//データ取り込み
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
    	int M = sc.nextInt();
      	
      	System.out.println((A-1)*(B-1));
    }
}

Compiler output:
Main.java:9: error: cannot find symbol
      	System.out.println((A-1)*(B-1));
      	                    ^
  symbol:   variable A
  location: class Main
Main.java:9: error: cannot find symbol
      	System.out.println((A-1)*(B-1));
      	                          ^
  symbol:   variable B
  location: class Main
2 errors
Language: C++

#include <iostream>
#include <math.h>
using namespace std;
int main(){
  int A,B;
  cin >> A >> B;
  ans = (A-1)*(B-1);
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   ans = (A-1)*(B-1);
      |   ^~~
      |   abs
Language: C++

#include <iostream>
#include <math.h>
using namespace std;
int main(){
  int A,B;
  cin >> A >> B;
  ans = (A-1)*(B-1)
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   ans = (A-1)*(B-1)
      |   ^~~
      |   abs
Language: C++

#include <bits/stdc++.h>
using namespace std ;
int main (){
int N,i,ans;
  cin>>N;
  ans==0
  for (i=0;i<N,i++){
    if (i=105,135,189)
      ans=ans+1;
      else ans=ans;
  cout<<ans;
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: expected ';' before 'for'
    6 |   ans==0
      |         ^
      |         ;
    7 |   for (i=0;i<N,i++){
      |   ~~~    
a.cc:7:19: error: expected ';' before ')' token
    7 |   for (i=0;i<N,i++){
      |                   ^
      |                   ;
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstdio>
#include<string>
#include<vector>
#include<set>
#include<cctype>
using namespace std;
template<class T> inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T> inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
const long long INF = 1LL << 60;

int main(void){
	ios::sync_with_stdio(false); cin.tie(0);
	
	int n,k;
	cin>>n>>k;
	cout<<a*b-b-a+1<<endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:15: error: 'a' was not declared in this scope
   19 |         cout<<a*b-b-a+1<<endl;
      |               ^
a.cc:19:17: error: 'b' was not declared in this scope
   19 |         cout<<a*b-b-a+1<<endl;
      |                 ^
Language: Java

package main;

import net.egork.io.InputReader;
import net.egork.io.OutputWriter;

public class TaskA {
    public void solve(int testNumber, InputReader in, OutputWriter out) {
        int A = in.readInt();
        int B = in.readInt();
        out.print((A - 1) * (B - 1));
    }
}


Compiler output:
Main.java:6: error: class TaskA is public, should be declared in a file named TaskA.java
public class TaskA {
       ^
Main.java:3: error: package net.egork.io does not exist
import net.egork.io.InputReader;
                   ^
Main.java:4: error: package net.egork.io does not exist
import net.egork.io.OutputWriter;
                   ^
Main.java:7: error: cannot find symbol
    public void solve(int testNumber, InputReader in, OutputWriter out) {
                                      ^
  symbol:   class InputReader
  location: class TaskA
Main.java:7: error: cannot find symbol
    public void solve(int testNumber, InputReader in, OutputWriter out) {
                                                      ^
  symbol:   class OutputWriter
  location: class TaskA
5 errors
Language: C++

#include<iostream>
using namespace std;

int main(){
  cin>>A>>flush;
  cin>>B>>flush;
  
  cout<<(A-1)(B-1)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:8: error: 'A' was not declared in this scope
    5 |   cin>>A>>flush;
      |        ^
a.cc:6:8: error: 'B' was not declared in this scope
    6 |   cin>>B>>flush;
      |        ^
Language: C++

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

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

}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:23: error: expected ';' before 'cout'
    7 |     size = (a-1)*(b-1)
      |                       ^
      |                       ;
    8 |     cout << size << endl;
      |     ~~~~
Language: C

int main(){
    int n,i=0;
    scanf("%d",&n);
    if(n>104){i++;}if(n>134){i++;}if(n>164){i++}if(n>188){i++;}if(n>194){i++;}
    printf("%d\n",i);
}

Compiler output:
main.c: In function 'main':
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&n);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&n);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:4:48: error: expected ';' before '}' token
    4 |     if(n>104){i++;}if(n>134){i++;}if(n>164){i++}if(n>188){i++;}if(n>194){i++;}
      |                                                ^
      |                                                ;
main.c:5:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    5 |     printf("%d\n",i);
      |     ^~~~~~
main.c:5:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:5:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:5:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

#include <iostream>
using namespace std;
int main(){
  int A,B;
  cin>>A>>B;
  ans=(A-1)*(B-1);
  cout<<ans<<endl;
 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    6 |   ans=(A-1)*(B-1);
      |   ^~~
      |   abs
Language: C++

#include <iostream>
#include <cmath>
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:7:33: error: expected ';' before '}' token
    7 |   cout << (a - 1)*(b-1)  << endl
      |                                 ^
      |                                 ;
    8 | }
      | ~
Language: C++

#include <iostream>
using namespace std;

int main(){


int a,b;
ciin>>a>>b;
cout<<a*b-a-b+1<<endl;
return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:1: error: 'ciin' was not declared in this scope
    8 | ciin>>a>>b;
      | ^~~~
Language: C

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

Compiler output:
main.c:3:8: error: expected declaration specifiers or '...' before string constant
    3 | printf("%d\n",a*b-a-b+1);
      |        ^~~~~~
main.c:3:15: error: expected declaration specifiers or '...' before 'a'
    3 | printf("%d\n",a*b-a-b+1);
      |               ^
main.c:4:1: error: expected identifier or '(' before 'return'
    4 | return 0;
      | ^~~~~~
main.c:5:1: error: expected identifier or '(' before '}' token
    5 | }
      | ^
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <cmath>
#include <set>
#include <algorithm>
#include <array>
#include <complex>
#include <utility>
#include <map>
int needleX[4] = { -1,0,1,0 };
int needleY[4] = { 0,1,0,-1 };

#define const INF=1<<21;
int main(){
	int N,M,count=1;
    std::string s;
    char ans;
    long long k;
    std::cin >> s >> k;
    bool flag=true;
    for(size_t i=0;i<std::min(s.size(),k);++i){
        if(s[i]>='1') {
            std::cout << s[i] << std::endl;
            return 0;
        }            
    }
    std::cout << '1' << std::endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:30: error: no matching function for call to 'min(std::__cxx11::basic_string<char>::size_type, long long int&)'
   22 |     for(size_t i=0;i<std::min(s.size(),k);++i){
      |                      ~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:22:30: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'long long int')
   22 |     for(size_t i=0;i<std::min(s.size(),k);++i){
      |                      ~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:6:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:22:30: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   22 |     for(size_t i=0;i<std::min(s.size(),k);++i){
      |                      ~~~~~~~~^~~~~~~~~~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<string>
#include<map>
#include<stdio.h>
using namespace std;
 
#define REP(i, x, n) for(int i = x; i < n; i++)
#define rep(i,n) REP(i,0,n)
#define INF 1<<25
 
int main()
{
	int A, B;
	cint >> A, B;
	cout << (A - 1) * (B - 1) << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'cint' was not declared in this scope; did you mean 'uint'?
   15 |         cint >> A, B;
      |         ^~~~
      |         uint
Language: C++

#include <iostream>

using namespace std;
int main(void){
  int a,b;
  ci>>a>>b;
  cout<<(a-1)*(b-1)<<endl;
  return 0;
}

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

#include <bits/stdc++.h>
using namespace std;
int main() {
  int a,b;
  std::cin >>a>>b ;
  std::cout << (a-1)(b-1) << '\n';

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:21: error: expression cannot be used as a function
    6 |   std::cout << (a-1)(b-1) << '\n';
      |                ~~~~~^~~~~
Language: C++

#include "pch.h"
#include <iostream>
using namespace std;

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

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

#include<iostream>

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

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

/= 2;
 	}
 return x;
}

/* Modular Multiplicative Inverse
 Using Euler's Theorem
 a^(phi(m)) = 1 (mod m)
 a^(-1) = a^(m-2) (mod m) */
ll InverseEuler(ll n, ll MOD)
{
 return pow(n,MOD-2,MOD);
}

ll C(ll n, ll r, ll MOD)
{

 return (f[n]*((InverseEuler(f[r], MOD) * InverseEuler(f[n-r], MOD)) % MOD)) % MOD;
}

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


Compiler output:
a.cc:1:1: error: expected unqualified-id before '/=' token
    1 | /= 2;
      | ^~
a.cc:2:9: error: expected declaration before '}' token
    2 |         }
      |         ^
a.cc:3:2: error: expected unqualified-id before 'return'
    3 |  return x;
      |  ^~~~~~
a.cc:4:1: error: expected declaration before '}' token
    4 | }
      | ^
a.cc:10:1: error: 'll' does not name a type
   10 | ll InverseEuler(ll n, ll MOD)
      | ^~
a.cc:15:1: error: 'll' does not name a type
   15 | ll C(ll n, ll r, ll MOD)
      | ^~
a.cc: In function 'int main()':
a.cc:23:2: error: 'll' was not declared in this scope
   23 |  ll a,b;
      |  ^~
a.cc:24:2: error: 'cin' was not declared in this scope
   24 |  cin>>a>>b;
      |  ^~~
a.cc:24:7: error: 'a' was not declared in this scope
   24 |  cin>>a>>b;
      |       ^
a.cc:24:10: error: 'b' was not declared in this scope
   24 |  cin>>a>>b;
      |          ^
a.cc:25:2: error: 'cout' was not declared in this scope
   25 |  cout<<(1ll*a*b -  (a+b-1))<<endl;
      |  ^~~~
a.cc:25:30: error: 'endl' was not declared in this scope
   25 |  cout<<(1ll*a*b -  (a+b-1))<<endl;
      |                              ^~~~
Language: C++

#include<cstdio>
#include<iostream>

using namespace std;

int n;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'll' was not declared in this scope
    9 |         ll a, b; cin >> a >> b;
      |         ^~
a.cc:9:25: error: 'a' was not declared in this scope
    9 |         ll a, b; cin >> a >> b;
      |                         ^
a.cc:9:30: error: 'b' was not declared in this scope
    9 |         ll a, b; cin >> a >> b;
      |                              ^
Language: C

#include<stdio.h>
using namespace std;
int main()
{
	int n,m;
	scanf("%d%d",&n,&m);
	printf("%d",(n-1)*(m-1));
	return 0;
}

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

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,m;
	scanf("%d%d",&n,&m);
	printf("%d",(n-1)*(m-1));
	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

#include<bits/stdc++.h>
using namespace std;
#define rep(q,w,e) for(int q=w;q<=e;q++)
#define per(q,w,e) for(int q=w;q>=e;q--)
typedef long long LL;
int x,y;
int main() {
    cin>>x>>y;
    cout<<x*y-x-y+1;
    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

#include<bits/stdc++.h>
using namespace std;
int a,b;
int main()
{
	scanf("%d%d",&a,&b);
	printf("%d",(a-1)*(b-1));
	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++

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

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

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'nameapce'
    2 | using nameapce std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:5:9: error: 'll' was not declared in this scope
    5 |         ll a, b; cin >> a >> b;
      |         ^~
a.cc:5:18: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |         ll a, b; 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:5:25: error: 'a' was not declared in this scope
    5 |         ll a, b; cin >> a >> b;
      |                         ^
a.cc:5:30: error: 'b' was not declared in this scope
    5 |         ll a, b; cin >> a >> b;
      |                              ^
a.cc:6:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |         cout << (a-1ll)*(b-1ll) << 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:6:36: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |         cout << (a-1ll)*(b-1ll) << 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: Java

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.printf("%d\n", (A-1)*(B-1));
    scanner.close();
  }
}

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

package abc106;

import java.util.Scanner;

//https://abc106.contest.atcoder.jp/tasks/abc106_a
public class A {

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

    int A = scanner.nextInt();
    int B = scanner.nextInt();

    System.out.printf("%d\n", (A-1)*(B-1));
    scanner.close();
  }

}

Compiler output:
Main.java:6: error: class A is public, should be declared in a file named A.java
public class A {
       ^
1 error
Language: C++

#include<stdio.h>

int main(void) {
	int A, B;
	scanf("%d %d", &A, &B);
	printf((A - 1) * (B - 1));
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:24: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
    6 |         printf((A - 1) * (B - 1));
      |                ~~~~~~~~^~~~~~~~~
      |                        |
      |                        int
In file included from a.cc:1:
/usr/include/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include<iostream>
using namespace std;

int main ()
{
  int a,b;
  cin >> a >> b;
  cout << (a-1)*(b-1)<<endl;
  return0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'return0' was not declared in this scope
    9 |   return0;
      |   ^~~~~~~
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:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:1: error: expected primary-expression before 'int'
    5 | int a,b;
      | ^~~
a.cc:5:1: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:3: error: 'cin' does not name a type
    6 |   cin>>a>>b;
      |   ^~~
a.cc:7:3: error: 'cout' does not name a type
    7 |   cout<<(a-1)*(b-1)<<endl;
      |   ^~~~
a.cc:8:1: error: expected declaration before '}' token
    8 | }
      | ^
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:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:1: error: expected primary-expression before 'int'
    4 | int a,b;
      | ^~~
a.cc:4:1: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:3: error: 'cin' does not name a type
    5 |   cin>>a>>b;
      |   ^~~
a.cc:6:3: error: 'cout' does not name a type
    6 |   cout<<(a-1)*(b-1)<<endl;
      |   ^~~~
a.cc:7:1: error: expected declaration before '}' token
    7 | }
      | ^
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:5:9: error: expected initializer before 'cin'
    5 |         cin>>a>>b;
      |         ^~~
a.cc:6:19: error: 'b' was not declared in this scope
    6 |         cout<<a-1*b-1<<endl;
      |                   ^
Language: C++

#include "stdafx.h"

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

//this is commeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeent

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

#include "stdafx.h"

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

//this is commeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeent


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

#include<iostream>

int main(void){
	int A,B;
  	cin >> A >> B;
  	cout << (A-1)*(B-1) << endl;
}

Compiler output:
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 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-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:6:32: 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 "stdafx.h"

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

//this is commeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeent







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

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


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


Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
   10 |   ans = a*b - a - b + 1;
      |   ^~~
      |   abs
Language: C++

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


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:2:1: error: expected unqualified-id before 'public'
    2 | public class Main {
      | ^~~~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:21: error: expected ';' before '}' token
    6 |    cout<<a*b-(a+b-1)
      |                     ^
      |                     ;
    7 | }
      | ~
Language: Java

import java.util.Scanner;

public class Garden {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int num1 = scan.nextInt();
		int num2 = scan.nextInt();
		scan.close();
		
		int result = (num1-1)*(num2-1);
		System.out.println(result);
		
	}

}


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

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <string>
#include <sstream>
#include <complex>
#include <vector>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <set>
using namespace std;

#define INF (1e9)
#define PI (acos(-1))


int main() {
  int A, B;
  int res;

  cin >> A >> B;
  
  res = A * B - A - B + 1;

  cout << res << endl;  

  return 0;
}


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

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

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

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> a >> b;
      |   ^~~
a.cc:8:3: error: 'cout' was not declared in this scope
    8 |   cout << (a - 1) * (b - 1) << endl;
      |   ^~~~
a.cc:8:32: error: 'endl' was not declared in this scope
    8 |   cout << (a - 1) * (b - 1) << endl;
      |                                ^~~~
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: In function 'int main()':
a.cc:10:1: error: '\U0000ff5d' was not declared in this scope
   10 | ｝
      | ^~
a.cc:10:3: error: expected '}' at end of input
   10 | ｝
      |   ^
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);

	return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: expected '}' at end of input
    9 |         return 0;
      |                  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: Java

java.util.*;

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(gokei);
    }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
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)
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(gokei);
      	                  ^
Main.java:13: error: <identifier> expected
      	System.out.println(gokei);
      	                        ^
Main.java:15: error: class, interface, enum, or record expected
}
^
9 errors
Language: Java

java.util.*;

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.*;
^
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: Java

java.util.*;

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.*;
^
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