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

#include <iostream>
#include <string>
using namespace std;
int main()
{
  string s;
  cin >> s;
  int i;
  i = len(s)-2;
  string(i);
  cout << s[0] + i + s[-1] <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'len' was not declared in this scope; did you mean 'mblen'?
    9 |   i = len(s)-2;
      |       ^~~
      |       mblen
a.cc:10:10: error: conflicting declaration 'std::string i'
   10 |   string(i);
      |          ^
a.cc:8:7: note: previous declaration as 'int i'
    8 |   int i;
      |       ^
Language: C

#include<iostream>

using namespace std;

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

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

#inclide<iostream>

using namespace std;

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

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inclide; did you mean #include?
    1 | #inclide<iostream>
      |  ^~~~~~~
      |  include
main.c:3:1: error: unknown type name 'using'
    3 | using namespace std;
      | ^~~~~
main.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
    3 | using namespace std;
      |                 ^~~
main.c: In function 'main':
main.c:7:3: error: 'cin' undeclared (first use in this function)
    7 |   cin>>a>>b;
      |   ^~~
main.c:7:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:3: error: 'cout' undeclared (first use in this function)
   10 |   cout<<a*b;
      |   ^~~~
Language: C

#include<iostream>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
int main(){
    int a, b;
  cin>>a>>b;
  a--;
  b--;
  cout<<a*b;
}

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

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
int main(){
    int a, b;
  cin>>a>>b;
  a--;
  b--;
  cout<<a*b;
}

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 <stdio.h>

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

Compiler output:
main.c: In function 'main':
main.c:7:18: error: called object is not a function or function pointer
    7 |   printf("%d", (A-1)(B-1));
      |                ~~^~~
Language: Java

    import java.util.*;
     
    public class Main {
     
      public static void main(String[] args) {
        Main m = new Main();
        m.exec();
      }
     
      private void exec() {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
    	int m = scan.nextInt();
        int result = (n + 1) * (m + 1) - (2 * (m + 1) + 2 * (n - 1));
        System.out.println(result);
      }
    }

import java.util.*;

public class Main {
 
  public static void main(String[] args) {
    Main m = new Main();
    m.exec();
  }
 
  private void exec() {
    Scanner scan = new Scanner(System.in);
    int n = scan.nextInt();
	int m = scan.nextInt();
    int result = n * m - (2 * m + 2 * (n - 2));
    System.out.println(result);
  }
}

提出情報

Compiler output:
Main.java:19: error: class, interface, enum, or record expected
import java.util.*;
^
Main.java:37: error: reached end of file while parsing
????
^
2 errors
Language: Java

public class Main {
 
  public static void main(String[] args) {
    Main m = new Main();
    m.exec();
  }
 
  private void exec() {
    Scanner scan = new Scanner(System.in);
    int n = scan.nextInt();
	int m = scan.nextInt();
    int result = n * m - (2 * m + 2 * (n - 2));
    System.out.println(result);
  }
}

Compiler output:
Main.java:9: error: cannot find symbol
    Scanner scan = new Scanner(System.in);
    ^
  symbol:   class Scanner
  location: class Main
Main.java:9: error: cannot find symbol
    Scanner scan = new Scanner(System.in);
                       ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

import java.util.*;

public class Main {

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

  private void exec() {
    Scanner scan = new Scanner(System.in);
    int n = scan.nextInt();
	int m = scan.nextInt();
    int result = n * m - (2 * m + 2 * (n - 2))
    System.out.println(result);
  }
}

Compiler output:
Main.java:14: error: ';' expected
    int result = n * m - (2 * m + 2 * (n - 2))
                                              ^
1 error
Language: C++

using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> n >> m;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout << (n - 1) * (m - 1) << endl;
      |   ^~~~
a.cc:6:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:6:32: error: 'endl' was not declared in this scope
    6 |   cout << (n - 1) * (m - 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 | using namespace std;
Language: Java

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

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author dyominov
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        AWheresSnuke solver = new AWheresSnuke();
        solver.solve(1, in, out);
        out.close();
    }

    static class AWheresSnuke {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            int h = in.nextInt() - 1;
            int w = in.nextInt() - 1;
            out.print(h * w)

        }

    }

    static class InputReader implements AutoCloseable {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

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

        public void close() {
        }

    }
}



Compiler output:
Main.java:32: error: ';' expected
            out.print(h * w)
                            ^
1 error
Language: C++

#include <bits/stdc++.h>
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:5:10: error: 'a' was not declared in this scope
    5 |   cin >> a >> b;
      |          ^
a.cc:5:15: error: 'b' was not declared in this scope
    5 |   cin >> a >> b;
      |               ^
Language: C++

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

int main()
{
	string a;
	cin >> a;
	char a[1];
	char a[a.size];
	cout << a[1] ;
	cout << a.size() - 2;
	cout << a[a.size()] << endl ;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: conflicting declaration 'char a [1]'
    9 |         char a[1];
      |              ^
a.cc:7:16: note: previous declaration as 'std::string a'
    7 |         string a;
      |                ^
a.cc:10:22: error: cannot convert 'std::__cxx11::basic_string<char>::size' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'long unsigned int'
   10 |         char a[a.size];
      |                      ^
a.cc:10:18: error: size of array 'a' has non-integral type '<unresolved overloaded function type>'
   10 |         char a[a.size];
      |                ~~^~~~
a.cc:10:14: error: conflicting declaration 'char a [1]'
   10 |         char a[a.size];
      |              ^
a.cc:7:16: note: previous declaration as 'std::string a'
    7 |         string a;
      |                ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
    // Write Your Code Below
   string a;
   cin >> a;
   cout << a[0]<< a.size()-2 << a[s.size()-1] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:35: error: 's' was not declared in this scope
   21 |    cout << a[0]<< a.size()-2 << a[s.size()-1] << endl;
      |                                   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
    // Write Your Code Below
   string a;
   cin >> a;
   cout << s[0]<< s.size()-2 << s[s.size()-1] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:12: error: 's' was not declared in this scope
   21 |    cout << s[0]<< s.size()-2 << s[s.size()-1] << endl;
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
    // Write Your Code Below
   string a;
   cin >>a;
   cout << s[0]<< s.size()-2 << s[s.size()-1] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:12: error: 's' was not declared in this scope
   21 |    cout << s[0]<< s.size()-2 << s[s.size()-1] << endl;
      |            ^
Language: C++

#include <iostream>
using namespace std;

int main() {
	int n, m;
	
	cin >> n >> m；
	
	//n本,m本の通りがなす行列はn-1行, m-1列
	
	n = n-1;
	m = m-1;
	
	cout << n * m;
	
	cout << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:21: error: 'm\U0000ff1b' was not declared in this scope
    7 |         cin >> n >> m；
      |                     ^~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	int n, m;
	
	cin >> n >> m
	
	//n本,m本の通りがなす行列はn-1行, m-1列
	
	n = n-1;
	m = m-1;
	
	cout << n * m;
	
	cout << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:22: error: expected ';' before 'n'
    7 |         cin >> n >> m
      |                      ^
      |                      ;
......
   11 |         n = n-1;
      |         ~
Language: C++

#include<ioatream>

using namespace std;

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

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


#include <cstdio>  
using namespace std;  
int main() { 	
	int a,b,c; 	
	scanf("%d %d", &a, &b); 	
	printf("%d", (a+1)*(b+1)-(a*2+b*2))
	
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:7:44: error: expected ';' before '}' token
    7 |         printf("%d", (a+1)*(b+1)-(a*2+b*2))
      |                                            ^
      |                                            ;
    8 | 
    9 | }
      | ~
Language: C

#include<stdio.h>
int main()
{
	int N, M;

	scanf_s("%d%d", &N, &M);

	printf("%d\n", (N - 1) * (M - 1));

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |         scanf_s("%d%d", &N, &M);
      |         ^~~~~~~
      |         scanf
Language: C

#include<stdio.h>
int main()
{
	int N, M;

	scanf_s("%d%d", &N, &M);

	printf_s("%d\n", (N - 1) * (M - 1));
}

Compiler output:
main.c: In function 'main':
main.c:6:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |         scanf_s("%d%d", &N, &M);
      |         ^~~~~~~
      |         scanf
main.c:8:9: error: implicit declaration of function 'printf_s'; did you mean 'printf'? [-Wimplicit-function-declaration]
    8 |         printf_s("%d\n", (N - 1) * (M - 1));
      |         ^~~~~~~~
      |         printf
Language: C++

#include<stdio.h>
int main()
{
	int N, M;

	scanf_s("%d%d", &N, &M);

	printf_s("%d\n", (N - 1) * (M - 1));
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
    6 |         scanf_s("%d%d", &N, &M);
      |         ^~~~~~~
      |         scanf
a.cc:8:9: error: 'printf_s' was not declared in this scope; did you mean 'printf'?
    8 |         printf_s("%d\n", (N - 1) * (M - 1));
      |         ^~~~~~~~
      |         printf
Language: C++

#include <iostream>
using namespace std;
int main()
{
    int n,m,sum=0;
    cin>>n>>m;
    sum=(n-1)(m-1);
    cout<<sum;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: expression cannot be used as a function
    7 |     sum=(n-1)(m-1);
      |         ~~~~~^~~~~
Language: C++

#include <iostream>
using namespace std;
int main()
{
    int n,m,sum=0;
    cin>>n>>m;
    sum=((n-1)(m-1));
    cout<<sum;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:15: error: expression cannot be used as a function
    7 |     sum=((n-1)(m-1));
      |          ~~~~~^~~~~
Language: C

n,m = map(int, input().split())
print(int((n - 1) * (m - 1)))


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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:4:8: error: expected initializer before '.' token
    4 |   int n. m;
      |        ^
a.cc:5:18: error: 'n' was not declared in this scope
    5 |   scanf("%d%d", &n, &m);
      |                  ^
a.cc:5:22: error: 'm' was not declared in this scope
    5 |   scanf("%d%d", &n, &m);
      |                      ^
Language: C

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

Compiler output:
main.c: In function 'main':
main.c:5:3: error: implicit declaration of function 'prnitf'; did you mean 'printf'? [-Wimplicit-function-declaration]
    5 |   prnitf("%d\n",(n - 1) * (m - 1));
      |   ^~~~~~
      |   printf
Language: Java

import java.util.*;
 
public class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	String s = scan.nextLine();
      	int size = s.length();
      	char a = s.charAt(0);
      	char z = s.charAt(size - 1);
      	Syste.out.print(a + size - 2 + z);
    }
  
}

Compiler output:
Main.java:10: error: package Syste does not exist
      	Syste.out.print(a + size - 2 + z);
      	     ^
1 error
Language: C++

#include<iostream>
using namespace std;
int main(){
    cin>>n>>m;
    cout<<(n-1)*(m-1)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:10: error: 'n' was not declared in this scope
    4 |     cin>>n>>m;
      |          ^
a.cc:4:13: error: 'm' was not declared in this scope; did you mean 'tm'?
    4 |     cin>>n>>m;
      |             ^
      |             tm
Language: C++

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

Compiler output:
a.cc:3:1: error: 'itn' does not name a type; did you mean 'int'?
    3 | itn main(){int a,b;cin>>a>>b;cout<<(a-1)*(b-1);}
      | ^~~
      | int
Language: C++

#include <iostream>
#include<string>
#include<algorithm>
#include<vector>
using namespace std;
 
int main(){
    int n,,m;
    cin>>n>>m;
    cout<<(n-1)*(m-1)<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: expected unqualified-id before ',' token
    8 |     int n,,m;
      |           ^
Language: C

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

Compiler output:
main.c: In function 'main':
main.c:5:23: error: expected expression before '%' token
    5 |   scanf("%d, %d", &n, %m);
      |                       ^
Language: C++

#include<iostream>
#include <bits/stdc++.h>
#include<stdio.h>
#include <stdlib.h>
#include<string>
#include<queue>
#include<algorithm>
#include<math.h>

using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:15:20: error: expression cannot be used as a function
   15 |         cout<<(a-1)(s-1)<<endl;
      |               ~~~~~^~~~~
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:8:25: error: expected ';' before 'printf'
    8 |         gk = (n-1)*(m-1)
      |                         ^
      |                         ;
    9 | 
   10 |         printf("%d\n",gk);
      |         ~~~~~~
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <math.h>
using namespace std;
int main()
{
    // 整数の入力
    int n, m;
    cin >> n >> m;
    cout << (n - 1) * (m - 1) << endl;

    return 0;


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

#include <vector>
#include <array>
#include <queue>
#include <deque>
#include <set>
#include <list>
#include <map>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <random>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <ctype.h>

using namespace std;

#define _CRT_SECURE_NO_WARNINGS
#define REP(i, n) for(int i=0; i<(n); i++)
#define LLREP(i,n) for(LL i=0; i<(n); i++)
#define FOR(i, m, n) for(int i=(m);i<(n);i++)
#define ALL(x) (x).begin(),(x).end()
#define SZ(x) ((int)(x).size())
#define SORT(x) sort(ALL(x))
#define REVE(x) reverse(ALL(x))
#define MP make_pair
#define PB push_back
#define INF INT_MAX

typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<bool> VB;
typedef vector<vector<int>> VVI;
typedef vector<vector<bool>> VVB;
typedef pair<int, int> PII;
typedef vector<pair<int, int>> VPII;
typedef queue<int> QI;
typedef long long LL;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:57:18: error: 'n' was not declared in this scope
   57 |         cout << (n - 1)*(m - 1) << endl;
      |                  ^
a.cc:57:26: error: 'm' was not declared in this scope
   57 |         cout << (n - 1)*(m - 1) << endl;
      |                          ^
Language: C++

都是十分大叔大叔的

Compiler output:
a.cc:1:1: error: '\U000090fd\U0000662f\U00005341\U00005206\U00005927\U000053d4\U00005927\U000053d4\U00007684' does not name a type
    1 | 都是十分大叔大叔的
      | ^~~~~~~~~~~~~~~~~~
Language: C++

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

Compiler output:
a.cc:3:1: error: 'intn' does not name a type; did you mean 'int'?
    3 | intn main()
      | ^~~~
      | int
Language: C++

#include<bits/stdc++.h>
int main()
{
    int a,b;
    scanf("%d%d",&a,&b);
    printf("%d",(a-1)(b-1));
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:22: error: expression cannot be used as a function
    6 |     printf("%d",(a-1)(b-1));
      |                 ~~~~~^~~~~
Language: C++

#include<bits/stdc++.h>
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:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin>>a>>b;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |     cout<<(a-1)(b-1);
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:16: error: expression cannot be used as a function
    6 |     cout<<(a-1)(b-1);
      |           ~~~~~^~~~~
Language: C++

#include <bits/stdc++.h>
#define repd(i,a,b) for (int i=(a);i<(b);i++)
#define rep(i,n) repd(i,0,n)
typedef long long ll;
using namespace std;
const int MOD = 1000000007;
const int INF = 1010000000;
const double EPS = 1e-10;

int h,w,x;
char s[1000][1000];
bool visited [1000][1000];
pair<int,int> start,goal;
queue<pair<int,pair<int,int>>> q;
vector<pair<int,int>> ino;

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



Compiler output:
a.cc: In function 'int main()':
a.cc:19:23: error: expected '}' at end of input
   19 |   cout << (a-1)*(b-1);
      |                       ^
a.cc:17:11: note: to match this '{'
   17 | int main(){
      |           ^
Language: C++

#include<iostream>
int main(void){
	int n,m;
	cin>>n>>m;
	cout<<(n-1)*(m-1);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |         cin>>n>>m;
      |         ^~~
      |         std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |         cout<<(n-1)*(m-1);
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n m;
  cin >> n >> m;
  cout << (n-1)*(m-1) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: expected initializer before 'm'
    4 |   int n m;
      |         ^
a.cc:5:10: error: 'n' was not declared in this scope; did you mean 'yn'?
    5 |   cin >> n >> m;
      |          ^
      |          yn
a.cc:5:15: error: 'm' was not declared in this scope; did you mean 'tm'?
    5 |   cin >> n >> m;
      |               ^
      |               tm
Language: Java

import java.util.Scanner;

public class K_city {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		String[] line = in.nextLine().split(" ");

		int sum = (Integer.parseInt(line[0]) - 1) * (Integer.parseInt(line[1]) - 1);
		System.out.println(sum);
	}
}

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

#include <bits/stdc++.h>
#define INF (1<<30)
#define MOD 1000000007
#define l_ength size
using ll = long long;
using namespace std;

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

Compiler output:
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
         ^
Main.java:2: error: illegal character: '#'
#define INF (1<<30)
^
Main.java:3: error: illegal character: '#'
#define MOD 1000000007
^
Main.java:4: error: illegal character: '#'
#define l_ength size
^
Main.java:6: error: class, interface, enum, or record expected
using namespace std;
^
Main.java:10: error: not a statement
	cin >> a >> b;
	         ^
Main.java:11: error: not a statement
	cout << (a-1) * (b-1) << endl;
	                      ^
Main.java:8: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
  (use --enable-preview to enable unnamed classes)
9 errors
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))
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:29: error: expected ';' before '}' token
    6 |     printf("%d",(n-1)*(m-1))
      |                             ^
      |                             ;
    7 | }
      | ~
Language: C++

#include<iostream>
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:6:19: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
    6 |   cout<(a-1)*(b-1)<<endl;
      |        ~~~~~~~~~~~^~~~~~
Language: C++

#include <stdio.h>
typedef long long ll;
int main()
{
    ll n,m;
    scanf("%lld %lld",&n,&m);
    printf("%lld",(n-1)*(m-1))
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:31: error: expected ';' before '}' token
    7 |     printf("%lld",(n-1)*(m-1))
      |                               ^
      |                               ;
    8 | }
      | ~
Language: C++

#include <iostream>
using namespace std;

int main(void){
    int n, m;
    cin >> n >> m;

    // implements
    prtinf("%d\n", (n-1)*(m-1));
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'prtinf' was not declared in this scope; did you mean 'printf'?
    9 |     prtinf("%d\n", (n-1)*(m-1));
      |     ^~~~~~
      |     printf
Language: C++

#include <iostream>
main(){
	int n,m;
  cin>>n>>m;
  cout<<(n-1)*(m-1);
}	 







Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   cin>>n>>m;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |   cout<<(n-1)*(m-1);
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include"stdafx.h"
#include"iostream"
using namespace std;

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

Compiler output:
a.cc:1:9: fatal error: stdafx.h: No such file or directory
    1 | #include"stdafx.h"
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |         cin>>n>>m;
      |         ^~~
      |         std::cin
In file included from a.cc:2:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |         cout<<n*m;
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include<cstdio>
int main()
{
	int n,m;
	cin>>n>>m;
	n--,m--;
	cout<<n*m;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin>>n>>m;
      |         ^~~
a.cc:7:9: error: 'cout' was not declared in this scope
    7 |         cout<<n*m;
      |         ^~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

struct node { int c,t; }a[660];
int m,n,cnt,s=1,f[550];
bool book[550];

bool cmp(node k1,node k2) { return k1.c>k2.c; }
int main()
{
	cin >> m >> n;	
	m--.n--;
	cout<<m*n<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:13: error: request for member 'n' in '(m --)', which is of non-class type 'int'
   16 |         m--.n--;
      |             ^
Language: C

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

Compiler output:
main.c:1:20: warning: extra tokens at end of #include directive
    1 | #include <stdio.h> main(){int a,b;scanf("%d%d",&a,&b);printf("%d",(a-1)*(b-1));}
      |                    ^~~~
/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<cstdio>
#include<queue>
#include<utility>
#include<cstring>
#include<stack>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<map>
#define MAX_N 100001
#define INF_INT 2147483647
#define INF_LL 9223372036854775807
#define REP(i,n) for(int i=0;i<(int)(n);i++)
void init(int n);
int find(int n);
void unite(int x,int y);
bool same(int x, int y);
int dx[4] = {1,0,0,-1};
int dy[4] = {0,1,-1,0};
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;
bool cmp_P(const P &a,const P &b){
  return a.second < b.second;
}
int main()
{
  int n,m;
  cin >> N >> M;
  cout << (N-1)*(M-1) << endl;  
  return 0;
}

int par[MAX_N];
int ranks[MAX_N];

//n要素で初期化
void init(int n){
  REP(i,n){
    par[i] = i;
    ranks[i] = 0;
  }

}

//木の根を求める
int find(int x){
  if(par[x] == x){
    return x;
  }else{
    return par[x] = find(par[x]);
  }
}

void unite(int x,int y){
  x = find(x);
  y = find(y);
  if(x == y) return ;
  if(ranks[x] < ranks[y]){
    par[x] = y;
  }else{
    par[y] = x;
    if(ranks[x] == ranks[y]) ranks[x]++;
  }
}

bool same(int x, int y){
  return find(x) == find(y);
}



Compiler output:
a.cc: In function 'int main()':
a.cc:29:10: error: 'N' was not declared in this scope
   29 |   cin >> N >> M;
      |          ^
a.cc:29:15: error: 'M' was not declared in this scope
   29 |   cin >> N >> M;
      |               ^
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:6:16: error: 'B' was not declared in this scope
    6 |   cout<<(a-1)*(B-1)<<endl;
      |                ^
Language: C++

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

int main()
{
	string s;
	cin >> s;
	int len = s.size(s);
	cout << s[0] << len - 2 << s[len - 1] << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:25: error: no matching function for call to 'std::__cxx11::basic_string<char>::size(std::string&)'
    9 |         int len = s.size(s);
      |                   ~~~~~~^~~
In file included from /usr/include/c++/14/string:54,
                 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/basic_string.h:1076:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note:   candidate expects 0 arguments, 1 provided
Language: Java

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();

		System.out.println( (m-1)*(n-1);
	}
}


Compiler output:
Main.java:8: error: ')' or ',' expected
		System.out.println( (m-1)*(n-1);
		                               ^
1 error
Language: C++

#include <iostream>
#include <cstdio>
using namespace std;
int main() {
    cin >> m >> n;
    cout << (n - 1) * (m - 1);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:12: error: 'm' was not declared in this scope; did you mean 'tm'?
    5 |     cin >> m >> n;
      |            ^
      |            tm
a.cc:5:17: error: 'n' was not declared in this scope
    5 |     cin >> m >> n;
      |                 ^
Language: C++

#include <iostream>
#include <cstdio>
int main() {
    cin >> m >> n;
    cout << (n - 1) * (m - 1);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |     cin >> m >> n;
      |     ^~~
      |     std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:4:12: error: 'm' was not declared in this scope; did you mean 'tm'?
    4 |     cin >> m >> n;
      |            ^
      |            tm
a.cc:4:17: error: 'n' was not declared in this scope
    4 |     cin >> m >> n;
      |                 ^
a.cc:5:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |     cout << (n - 1) * (m - 1);
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
    string s;
    int i;
    int p;
    cin >> s;
    i = s.length;
    p= i - 2;
    cout<<s[0]<<i<<s[p]
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:11: error: cannot convert 'std::__cxx11::basic_string<char>::length' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'int'
    9 |     i = s.length;
      |           ^~~~~~
a.cc:11:24: error: expected ';' before 'return'
   11 |     cout<<s[0]<<i<<s[p]
      |                        ^
      |                        ;
   12 |     return 0;
      |     ~~~~~~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
    string s;
    int i;
    cin >> s;
    i = s.length;
    i = i - 2;
    cout<<s[0]<<i<<s[s.length]
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: cannot convert 'std::__cxx11::basic_string<char>::length' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'int'
    8 |     i = s.length;
      |           ^~~~~~
a.cc:10:21: error: invalid use of non-static member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
   10 |     cout<<s[0]<<i<<s[s.length]
      |                     ^
In file included from /usr/include/c++/14/string:54,
                 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/basic_string.h:1083:7: note: declared here
 1083 |       length() const _GLIBCXX_NOEXCEPT
      |       ^~~~~~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
    string s;
    int i;
    cin >> s;
    i=((s.length)-2)
    cout<<s[0]<<i<<s[s.length]
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
    8 |     i=((s.length)-2)
      |        ~~~^~~~~~~
      |                  ()
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
    string s;
    int i;
    cin >> s;
    i=(s.length)-2
    cout<<s[0]<<i<<s[s.length]
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:10: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
    8 |     i=(s.length)-2
      |       ~~~^~~~~~~
      |                 ()
Language: C++

#incldue<iostream>
using namespace std;

int main(void) {
  int a, b;
  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:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> a >> b;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #incldue<iostream>
a.cc:8:3: error: 'cout' was not declared in this scope
    8 |   cout << (a-1)*(b-1) << endl;
      |   ^~~~
a.cc:8:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:8:26: error: 'endl' was not declared in this scope
    8 |   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>
using namespase std;
int main(void)
{
  int m,n;
  cin>>n>>m;
  cout<<(n-1)*(m-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:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin>>n>>m;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   cout<<(n-1)*(m-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:7:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |   cout<<(n-1)*(m-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 <string>
#include <queue>
#include <stack>
#include <vector>
#include <sstream>
#include <algorithm>
#include <deque>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <list>
#include <cstdio>
#include <iostream>
#include <cmath>
#include <climits>
#include <bitset>
#include <functional>
#include <numeric>
#include <ctime>
#include <cassert>
#include <cstring>
#include <fstream>
 
using namespace std;
int main(){
  int m,n;
  cin>>m>>n;
  cout<<(m-1)*(n-1)<<endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:29:27: error: expected '}' at end of input
   29 |   cout<<(m-1)*(n-1)<<endl;
      |                           ^
a.cc:26:11: note: to match this '{'
   26 | int main(){
      |           ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:16: error: expression cannot be used as a function
    6 |   cout << (n-1)(m-1) << endl;
      |           ~~~~~^~~~~
Language: C++

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

int main()
{
	int n,m;
	cin >> n >> m;
	cout << (n-1)*(m-1) << endl;
	reurn 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'reurn' was not declared in this scope
    9 |         reurn 0;
      |         ^~~~~
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: expected ',' or ';' before 'printf'
    6 |     printf("%d",mul);
      |     ^~~~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: expected ',' or ';' before 'printf'
    6 |     printf("%d",mul);
      |     ^~~~~~
Language: C++

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


Compiler output:
a.cc:2:1: error: extended character   is not valid in an identifier
    2 |  
      | ^
a.cc:6:1: error: extended character   is not valid in an identifier
    6 |  
      | ^
a.cc:8:1: error: extended character   is not valid in an identifier
    8 |  
      | ^
a.cc:2:1: error: '\U000000a0' does not name a type
    2 |  
      | ^
Language: C++

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

int main() {
	int a, b;
	std::cin >> a >> b;

	std::cout << (a - 1)*(b - 1) << std::endl;

}


Compiler output:
a.cc:2:1: error: extended character   is not valid in an identifier
    2 |  
      | ^
a.cc:6:1: error: extended character   is not valid in an identifier
    6 |  
      | ^
a.cc:8:1: error: extended character   is not valid in an identifier
    8 |  
      | ^
a.cc:2:1: error: '\U000000a0' does not name a type
    2 |  
      | ^
Language: C++

#include <bits/stdc++.h>
#include<iostream>
#include<string>
#include<queue>
#include<vector>
#define FOR(i,a,b) for(int i=(a);i<(b);i++)//初期値a,i<bの範囲でループ
#define REP(i,n) FOR(i,0,n)//初期値0,i<nの範囲でループ
using namespace std;
typedef long long ll;//int64
typedef unsigned long long ull;

int n;
ll a[100010];
int c[5];

int main(){
    cin>>n;
    REP(i,n){
        cin>>a[i];
        if(a[i]%4==0){
            a[i]=4;
        }else if(a[i]%2==0){
            a[i]=2;
        }else{
            a[i]=1;
        }
        c[a[i]]++;
    }
    
    int f2=0;
    if(c[2])f2==1;
    if(f2){
        if(c[0]>=c[1]+c[3])cout<<"Yes";
        cout<<"No";

    }else{
        if(c[0]>=floor(n/2))cout<<"Yes"
        else cout<<"No";
    }


    
    

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:37:40: error: expected ';' before 'else'
   37 |         if(c[0]>=floor(n/2))cout<<"Yes"
      |                                        ^
      |                                        ;
   38 |         else cout<<"No";
      |         ~~~~
Language: C++

#include<iostream>
#include<string>
#include <cmath>
using namespace std;
int n. m;
int main() {
    cin >> n >> m;
    cout << (n-1)*(m-1) << endl;
    return 0;
}

Compiler output:
a.cc:5:6: error: expected initializer before '.' token
    5 | int n. m;
      |      ^
a.cc: In function 'int main()':
a.cc:7:12: error: 'n' was not declared in this scope; did you mean 'yn'?
    7 |     cin >> n >> m;
      |            ^
      |            yn
a.cc:7:17: error: 'm' was not declared in this scope; did you mean 'tm'?
    7 |     cin >> n >> m;
      |                 ^
      |                 tm