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

#include "bits/stdc++.h>

using namespace std;

int main() 
{
  char ch;
  cin>>ch;
  if(islower(ch)) 
    cout<<"a"<<endl;
  else 
    cout<<"A"<<endl;
}

Compiler output:
a.cc:1:10: warning: missing terminating " character
    1 | #include "bits/stdc++.h>
      |          ^
a.cc:1:10: error: #include expects "FILENAME" or <FILENAME>
    1 | #include "bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope
    8 |   cin>>ch;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #include "bits/stdc++.h>
a.cc:9:6: error: 'islower' was not declared in this scope
    9 |   if(islower(ch))
      |      ^~~~~~~
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<"a"<<endl;
      |     ^~~~
a.cc:10:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:10:16: error: 'endl' was not declared in this scope
   10 |     cout<<"a"<<endl;
      |                ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #include "bits/stdc++.h>
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout<<"A"<<endl;
      |     ^~~~
a.cc:12:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:16: error: 'endl' was not declared in this scope
   12 |     cout<<"A"<<endl;
      |                ^~~~
a.cc:12:16: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

// JavaScript source code
"use strict";

let myFunc = (input) => {
    input = input.split("\n");
    let temp = input[0];
    if (temp >= 'A' && temp <= 'Z') console.log('A');
    if (temp >= 'a' && temp <= 'z') console.log('a');
};

myFunc(require("fs").readFileSync("/dev/stdin", "utf8"));

Compiler output:
a.cc:2:1: error: expected unqualified-id before string constant
    2 | "use strict";
      | ^~~~~~~~~~~~
a.cc:4:1: error: 'let' does not name a type
    4 | let myFunc = (input) => {
      | ^~~
a.cc:11:7: error: expected constructor, destructor, or type conversion before '(' token
   11 | myFunc(require("fs").readFileSync("/dev/stdin", "utf8"));
      |       ^
Language: C++

#include <iostream>
using namespace std;

  int main() {
    
    if (char c == 'A' - 'Z') {
      cout << c == 'A' << endl;
    }
    
    if (char d == 'a' - 'z') {
      cout << d == 'a' << endl;
    }
    
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:6:16: error: expected initializer before '==' token
    6 |     if (char c == 'A' - 'Z') {
      |                ^~
a.cc:6:15: error: expected ')' before '==' token
    6 |     if (char c == 'A' - 'Z') {
      |        ~      ^~~
      |               )
a.cc:7:24: error: invalid operands of types 'char' and '<unresolved overloaded function type>' to binary 'operator<<'
    7 |       cout << c == 'A' << endl;
      |                    ~~~~^~~~~~~
a.cc:10:16: error: expected initializer before '==' token
   10 |     if (char d == 'a' - 'z') {
      |                ^~
a.cc:10:15: error: expected ')' before '==' token
   10 |     if (char d == 'a' - 'z') {
      |        ~      ^~~
      |               )
a.cc:11:24: error: invalid operands of types 'char' and '<unresolved overloaded function type>' to binary 'operator<<'
   11 |       cout << d == 'a' << endl;
      |                    ~~~~^~~~~~~
Language: C++

#include <iostream>
using namespace std;

  int main() {
    
    int α;
    
    if (char α == 'A' - 'Z') {
      cout << 'A' << endl;
    }
    
    if (char α == 'a' - 'z') {
      cout << 'a' << endl;
    }
    
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: expected initializer before '==' token
    8 |     if (char α == 'A' - 'Z') {
      |                ^~
a.cc:8:15: error: expected ')' before '==' token
    8 |     if (char α == 'A' - 'Z') {
      |        ~      ^~~
      |               )
a.cc:12:16: error: expected initializer before '==' token
   12 |     if (char α == 'a' - 'z') {
      |                ^~
a.cc:12:15: error: expected ')' before '==' token
   12 |     if (char α == 'a' - 'z') {
      |        ~      ^~~
      |               )
Language: C++

#include <iostream>
using namespace std;

  int main() {
    
    int α;
    
    if (char α == 'A' - 'Z') {
      cout << α = 'A' << endl;
    }
    
    if (char α == 'a' - 'z') {
      cout << α = 'a' << endl;
    }
    
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: expected initializer before '==' token
    8 |     if (char α == 'A' - 'Z') {
      |                ^~
a.cc:8:15: error: expected ')' before '==' token
    8 |     if (char α == 'A' - 'Z') {
      |        ~      ^~~
      |               )
a.cc:9:23: error: invalid operands of types 'char' and '<unresolved overloaded function type>' to binary 'operator<<'
    9 |       cout << α = 'A' << endl;
      |                   ~~~~^~~~~~~
a.cc:12:16: error: expected initializer before '==' token
   12 |     if (char α == 'a' - 'z') {
      |                ^~
a.cc:12:15: error: expected ')' before '==' token
   12 |     if (char α == 'a' - 'z') {
      |        ~      ^~~
      |               )
a.cc:13:23: error: invalid operands of types 'char' and '<unresolved overloaded function type>' to binary 'operator<<'
   13 |       cout << α = 'a' << endl;
      |                   ~~~~^~~~~~~
Language: C++

#include <iostream>
#include <vector>
using namespace std;
int n,k;
int main(){
    vector<int> v(n);
    for(int i=0; i<n; i++) cin >> v[i];
    sort(v.begin(), v.end());
    int ans=0; 
    for(int i=0; i<k; i++) ans+=v[i];
    cout << ans << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'sort' was not declared in this scope; did you mean 'short'?
    8 |     sort(v.begin(), v.end());
      |     ^~~~
      |     short
Language: C

#include <stdio>


int main(void){
  char a;
  scanf("%s", &a);
  
  char ans;
  if(a >= 'A'){
	ans = 'A';
  }else{
    ans = 'a';
  }
  
  printf("%s\n",ans);
}

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

#include <bits/stdc++.h> 
using namespace std; 
int main(){
  char S;
  cin >> S;
  
  if ( S (isupper) ){
   cout << "A" << endl;
  }
  
  else {
    cout <<"a"<< endl;
  }
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: 'S' cannot be used as a function
    7 |   if ( S (isupper) ){
      |        ~~^~~~~~~~~
Language: C++

#include <bits/stdc++.h> 
using namespace std; 
int main(){
  char S;
  cin >> S ;
  if ( S (isupper) ){
    cout << "A" << endl;
  }
  
  else if ( S (iswlower) ){
    cout << "a" << endl;
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: 'S' cannot be used as a function
    6 |   if ( S (isupper) ){
      |        ~~^~~~~~~~~
a.cc:10:15: error: 'S' cannot be used as a function
   10 |   else if ( S (iswlower) ){
      |             ~~^~~~~~~~~~
Language: C++

#include<iostream>
#include<stdio.h>
//#include <bits/stdc++.h>
#include<vector>
#include<float.h>
#include<iomanip>
#include<algorithm>
#include<string>
#include<cstring>
#include<math.h>
#include<cmath>
#include<sstream>
#include<set>
#include<map>
#include<queue>
#include<cassert>
#include<cmath>
#include<cstdint>
 
#define INF 1e9
#define LINF 1e19
#define rep(i,n)for(int i=0;(i)<(int)(n);i++)
#define REP(i,a,b)for(int i=(int)(a);(i)<=(int)(b);i++)
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
#define vec(type,n) vector<type>(n)
#define vvec(m,n) vector<vector<int>> (int(m),vector<int>(n))
#define ALL(a)  (a).begin(),(a).end()
#define chmin(a, b) a = min(a, b)
#define chmax(a, b) a = max(a, b)
     
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
using P = pair<ll, ll>;
     
const ll MOD = 1e9 + 7;
const ll ZER = 0;
 


int main(){
  char c;
  cin >> c;
  cout << (Isupper(c) ? 'A' : 'a') << endl;
}
 

Compiler output:
a.cc: In function 'int main()':
a.cc:44:12: error: 'Isupper' was not declared in this scope; did you mean 'isupper'?
   44 |   cout << (Isupper(c) ? 'A' : 'a') << endl;
      |            ^~~~~~~
      |            isupper
Language: C++

#include <bits/stdc++.h>
using namepsace std;
int main(){
  char c;
  cin>>c;
  if('A'<=c && c<='Z')cout<<'A'<<endl;
  else cout<<'a'<<endl;
  return 0;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namepsace'
    2 | using namepsace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin>>c;
      |   ^~~
      |   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:6:23: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |   if('A'<=c && c<='Z')cout<<'A'<<endl;
      |                       ^~~~
      |                       std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:34: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |   if('A'<=c && c<='Z')cout<<'A'<<endl;
      |                                  ^~~~
      |                                  std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:7:8: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   else cout<<'a'<<endl;
      |        ^~~~
      |        std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |   else cout<<'a'<<endl;
      |                   ^~~~
      |                   std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h> 
using namespace std; 
int main(){
  char S;
  cin >> S;
  
  if ( isupper (S) ){
    cout << "A" << endl;
  }
  
  else if( isolower (S) ){
    cout << "a" << endl;
  }
  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: 'isolower' was not declared in this scope; did you mean 'iswlower'?
   11 |   else if( isolower (S) ){
      |            ^~~~~~~~
      |            iswlower
Language: C++

#include <bits/stdc++.h> 
 using namespace std; 
int main(){
  char c;
  cin >> c;
  
  if( isupper (c) ){
    cout << "A" << endl;
  }
   
  else{
    cout << "a" << endl;
  }
  
}

Compiler output:
a.cc:2:1: error: extended character   is not valid in an identifier
    2 |  using namespace std;
      | ^
a.cc:2:1: error: '\U000000a0using' does not name a type
    2 |  using namespace std;
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> c;
      |   ^~~
      |   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:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout << "A" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |     cout << "A" << endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:12:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |     cout << "a" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |     cout << "a" << endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h> 
 using namespace std; 
int main(){
  char c;
  cin >> c;
  
  if( isupper (c) ){
    cout << "A" << endl;
  }
   
  else if ( isolower (c) ){
    cout << "a" << endl;
  }
  
}

Compiler output:
a.cc:2:1: error: extended character   is not valid in an identifier
    2 |  using namespace std;
      | ^
a.cc:2:1: error: '\U000000a0using' does not name a type
    2 |  using namespace std;
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> c;
      |   ^~~
      |   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:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout << "A" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |     cout << "A" << endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:11:13: error: 'isolower' was not declared in this scope; did you mean 'iswlower'?
   11 |   else if ( isolower (c) ){
      |             ^~~~~~~~
      |             iswlower
a.cc:12:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |     cout << "a" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |     cout << "a" << endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h> 
 using namespace std; 
int main(){
  char c;
  cin >> c;
  
  if ( isupper (c) ){
    cout <<"A" << endl;
  }
  
  else{
    cout << "a" << endl;
  }
  
}

Compiler output:
a.cc:2:1: error: extended character   is not valid in an identifier
    2 |  using namespace std;
      | ^
a.cc:2:1: error: '\U000000a0using' does not name a type
    2 |  using namespace std;
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> c;
      |   ^~~
      |   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:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout <<"A" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |     cout <<"A" << endl;
      |                   ^~~~
      |                   std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:12:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |     cout << "a" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |     cout << "a" << endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  char α;
  cin >> α;
  
  if (　isupper(α)　{
    cout << "A" << endl;
  }
  
  else　{
    cout << "a" << endl;
  }
  
  
}

Compiler output:
a.cc:7:7: error: extended character 　 is not valid in an identifier
    7 |   if (　isupper(α)　{
      |       ^
a.cc:7:19: error: extended character 　 is not valid in an identifier
    7 |   if (　isupper(α)　{
      |                   ^
a.cc:11:3: error: extended character 　 is not valid in an identifier
   11 |   else　{
      |   ^
a.cc: In function 'int main()':
a.cc:7:7: error: '\U00003000isupper' was not declared in this scope; did you mean 'isupper'?
    7 |   if (　isupper(α)　{
      |       ^~~~~~~~~
      |       isupper
a.cc:7:19: error: expected ')' before '\U00003000'
    7 |   if (　isupper(α)　{
      |      ~            ^~
      |                   )
a.cc:16:1: error: expected primary-expression before '}' token
   16 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,k;
  cin >> n >> k;
  vector<int> vec;
  for (int i = 0; i < n; i++){
    int p;
    cin >> p;
    vec.at(i) = p;
  }
  sort(vec.begin(),vec.end());
  int ans = 0;
  for (int i = 0; i < k; i++){
    ans += vec.at(i)
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:21: error: expected ';' before '}' token
   15 |     ans += vec.at(i)
      |                     ^
      |                     ;
   16 |   }
      |   ~
Language: Java

import java.util.Scanner;
public class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    alpha = scan.next();
    code = int(alpha);
    if (65<=code<=90){
      System.out.println("A");
    }else{
      System.out.println("a");
    }
  }
}

Compiler output:
Main.java:6: error: '.class' expected
    code = int(alpha);
              ^
Main.java:6: error: not a statement
    code = int(alpha);
               ^
Main.java:6: error: ';' expected
    code = int(alpha);
                    ^
3 errors
Language: C++

#include<bits/stdc++.h>
using namaspace std;
int main(){
  string a;
  cin >> a;
  int code = int(a);
  if (65<=code<=90){
    cout << "A" << endl;
  }else{
    cout << "a" << endl;
  }
}


Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namaspace'
    2 | using namaspace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:4:3: error: 'string' was not declared in this scope
    4 |   string a;
      |   ^~~~~~
a.cc:4:3: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> a;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:10: error: 'a' was not declared in this scope
    5 |   cin >> a;
      |          ^
a.cc:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout << "A" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |     cout << "A" << endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout << "a" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |     cout << "a" << endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll =long long;
#define all(v) v.begin(),v.end()
 
int main() {
 string s;
  cin>>s;
if(s>=a) {
cout<<"a"<<endl;
}
  else {
cout<<"A"<<endl;
  }
}

  


Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'a' was not declared in this scope
    9 | if(s>=a) {
      |       ^
Language: C

#include<stdio.h>
int main(void){
  int n,k,t=0;
  int a[1050],i,s;
  int min=0;
    scanf("%d %d",&n,&k);
  for(i=0;i<n;i++){
    scanf("%d",&a[i]);
  }
   i=0;
     for(i=0;i<n;i++){
       for(s=0;s<n;s++){
     if(a[s]<=a[i]){
     t=t+1;
     }
       }
       if(t==k)
         break;
       eise 
         t=0;
     }
  s=0;
  for(s=0;s<n;s++){
    if(a[s]<=a[i]){
      min=min+a[s];
  }
  }
  printf("%d",min);
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:19:8: error: unknown type name 'eise'
   19 |        eise
      |        ^~~~
Language: C

#include<stdio.h>
int main(void){
  int n,k,t=0;
  int a[1050],i,s;
  int min=0;
    scanf("%d %d",&n,&k);
  for(i=0;i<n;i++){
    scanf("%d",&a[i]);
  }
   i=0;
     for(i=0;i<n;i++){
       for(s=0;s<n;s++){
     if(a[s]<=a[i]){
     t=t+1;
     }
       }
       if(t==k){
         break;
       }eise{
         t=0;
       }
     }
  s=0;
  for(s=0;s<n;s++){
    if(a[s]<=a[i]){
      min=min+a[s];
  }
  }
  printf("%d",min);
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:19:9: error: 'eise' undeclared (first use in this function)
   19 |        }eise{
      |         ^~~~
main.c:19:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:19:13: error: expected ';' before '{' token
   19 |        }eise{
      |             ^
      |             ;
Language: C

#include<stdio.h>
int main(void){
  int n,k,t=0;
  int a[1050],b[1000],i,s;
  int min=0;
    scanf("%d %d",&n,&k);
  for(i=0;i<n;i++){
    scanf("%d",&a[i]);
  }
   i=0;
     for(i=0;i<n;i++){
       for(s=0;s<n;s++){
     if(a[s]<=a[i]){
     t=t+1;
     }
       }
       if(t=k)
         break;
     }
  s=0;
  for(s=0;s<n;s++){
    if(a[s]<=a[i]){
      mim=min+a[s];
  }
  }
  printf("%d",min);
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:23:7: error: 'mim' undeclared (first use in this function); did you mean 'min'?
   23 |       mim=min+a[s];
      |       ^~~
      |       min
main.c:23:7: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(void){
  int n,k,t=0;
  int a[1050],b=[1000],i,s;
  int min=0;
    scanf("%d %d",&n,&k);
  for(i=0;i<n;i++){
    scanf("%d",&a[i]);
  }
   i=0;
     for(i=0;i<n;i++){
       for(s=0;s<n;s++)
     if(a[s]<=a[i]){
     t=t+1;
     }
       if(t=k)
         break;
     }
  s=0;
  for(s=0;s<n;s++){
    if(a[s]<=a[i]){
      mim=min+a[s]:
  }
  printf("%d",min);
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:4:17: error: expected expression before '[' token
    4 |   int a[1050],b=[1000],i,s;
      |                 ^
main.c:22:7: error: 'mim' undeclared (first use in this function); did you mean 'min'?
   22 |       mim=min+a[s]:
      |       ^~~
      |       min
main.c:22:7: note: each undeclared identifier is reported only once for each function it appears in
main.c:22:19: error: expected ';' before ':' token
   22 |       mim=min+a[s]:
      |                   ^
      |                   ;
main.c:26:1: error: expected declaration or statement at end of input
   26 | }
      | ^
Language: C

#include<stdio.h>
int main(void){
  int n,k;
  int a[1000],i,j,s;
  int man=1001,min=0;
    scanf("%d %d",&n,&k);
  for(i=0;i<n;i++){
    scanf("%d",&a[i]);
  }
   
     for(j=0;j<n-k;j++){
     if(man>a[j]){
       man=a[j];
        a[j]=0;
       }
   } 
  for(s=0;s<n;s++){
    min=min+a[j];
  }
  printf("%d",min)
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:20:19: error: expected ';' before 'return'
   20 |   printf("%d",min)
      |                   ^
      |                   ;
   21 | return 0;
      | ~~~~~~
Language: C

int main(){
  char s;
  scanf("%c",&s);
  
    prntf("%c",s>97?'a':'A');
}


Compiler output:
main.c: In function 'main':
main.c:3:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |   scanf("%c",&s);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |   scanf("%c",&s);
      |   ^~~~~
main.c:3:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:5: error: implicit declaration of function 'prntf' [-Wimplicit-function-declaration]
    5 |     prntf("%c",s>97?'a':'A');
      |     ^~~~~
Language: C

int main(){
  char s;
  scanf("%c",&s);
  
    prntf("%c"s>97?,'a':'A');
}


Compiler output:
main.c: In function 'main':
main.c:3:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |   scanf("%c",&s);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |   scanf("%c",&s);
      |   ^~~~~
main.c:3:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:5: error: implicit declaration of function 'prntf' [-Wimplicit-function-declaration]
    5 |     prntf("%c"s>97?,'a':'A');
      |     ^~~~~
main.c:5:15: error: expected ')' before 's'
    5 |     prntf("%c"s>97?,'a':'A');
      |          ~    ^
      |               )
Language: C

int main(){
  char s;
  scanf("%c",&s);
  
    prntf("%c"s>97?'a':'A');
}


Compiler output:
main.c: In function 'main':
main.c:3:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |   scanf("%c",&s);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |   scanf("%c",&s);
      |   ^~~~~
main.c:3:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:5: error: implicit declaration of function 'prntf' [-Wimplicit-function-declaration]
    5 |     prntf("%c"s>97?'a':'A');
      |     ^~~~~
main.c:5:15: error: expected ')' before 's'
    5 |     prntf("%c"s>97?'a':'A');
      |          ~    ^
      |               )
Language: C


int main(){
  char s;
  scanf("%c",&s);
  
    prntf("%c"s>97?'a','A');
}


Compiler output:
main.c: In function 'main':
main.c:4:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    4 |   scanf("%c",&s);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | 
main.c:4:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    4 |   scanf("%c",&s);
      |   ^~~~~
main.c:4:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:6:5: error: implicit declaration of function 'prntf' [-Wimplicit-function-declaration]
    6 |     prntf("%c"s>97?'a','A');
      |     ^~~~~
main.c:6:15: error: expected ')' before 's'
    6 |     prntf("%c"s>97?'a','A');
      |          ~    ^
      |               )
Language: C

#include<stdio.h>
int main(){
  char s;
  scanf("%c",&s);
  
    prntf("%c"s>97?'a','A')
  
return (0);
}


Compiler output:
main.c: In function 'main':
main.c:6:5: error: implicit declaration of function 'prntf'; did you mean 'printf'? [-Wimplicit-function-declaration]
    6 |     prntf("%c"s>97?'a','A')
      |     ^~~~~
      |     printf
main.c:6:15: error: expected ')' before 's'
    6 |     prntf("%c"s>97?'a','A')
      |          ~    ^
      |               )
main.c:6:28: error: expected ';' before 'return'
    6 |     prntf("%c"s>97?'a','A')
      |                            ^
      |                            ;
    7 | 
    8 | return (0);
      | ~~~~~~
Language: Java

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

int main() {
    long long N;
    cin >> N;
    string res = "";
    while (N) {
        --N;
        res += (char)('a' + (N % 26));
        N /= 26;
    }
    reverse(res.begin(), res.end());
    cout << res << endl;
}

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:5: error: not a statement
    long long N;
    ^
Main.java:6: error: not a statement
    cin >> N;
        ^
Main.java:14: error: not a statement
    cout << res << endl;
                ^
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
int main() {
^
  (use --enable-preview to enable unnamed classes)
Main.java:5: error: ';' expected
    long long N;
        ^
7 errors
Language: C++

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

int main(){
  char ch;
  cin>>ch;
  if(isupper())
    cout<<"A";
  else
    cout<<"a";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: no matching function for call to 'isupper()'
    7 |   if(isupper())
      |      ~~~~~~~^~
In file included from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46,
                 from /usr/include/c++/14/istream:40,
                 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,
                 from a.cc:1:
/usr/include/c++/14/bits/locale_facets.h:2631:5: note: candidate: 'template<class _CharT> bool std::isupper(_CharT, const locale&)'
 2631 |     isupper(_CharT __c, const locale& __loc)
      |     ^~~~~~~
/usr/include/c++/14/bits/locale_facets.h:2631:5: note:   candidate expects 2 arguments, 0 provided
In file included from /usr/include/c++/14/cctype:42,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:35:
/usr/include/ctype.h:117:1: note: candidate: 'int isupper(int)'
  117 | __exctype (isupper);
      | ^~~~~~~~~
/usr/include/ctype.h:117:1: note:   candidate expects 1 argument, 0 provided
Language: C++

#include<bits/stdc++>
using namespace std;
int main()
{
char a;
  cin >> a;
  if(isupper(a)) cout << 'A';
  else if(islower(a)) cout << 'a';
  

return 0;
}

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

#include<std/bitsc++>
using namespace std;
int main()
{
char a;
  cin >> a;
  if(isupper(a)) cout << 'A';
  else if(islower(a)) cout << 'a';
  

return 0;
}

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

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main()
{
    char c;
    cin>>c;
    if(c-'a'>=0){
        cout<<"a"<<endl;
    }else{
        couT<<"A"<<endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'couT' was not declared in this scope
   11 |         couT<<"A"<<endl;
      |         ^~~~
Language: C++

#include <iostream>
#include <ctype.h>
using namespace std;
int main(void){
    
    
    char a;
    cin >> a;
    
    bool oomoji = topper(a);
    
    if(oomoji){
        cout << "A" << endl;
    }
    else{
        cout << "a" << endl;
    }
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:19: error: 'topper' was not declared in this scope; did you mean 'toupper'?
   10 |     bool oomoji = topper(a);
      |                   ^~~~~~
      |                   toupper
Language: C++

#include <iostream>

int main()
{
	char c;
	char s = 'a';
	std::cin >> s;
	
	if(c >= 'A'){
		s 'A';
	}
	std::cout << s << std::endl;
	return 0;


}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:18: error: expected ';' before 'A'
   10 |                 s 'A';
      |                  ^~~~
      |                  ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  string s;
  cin>>s;
  if(islower(s))
  {
    cout<<"a";
  }
  else
    
  {cout<<"A";
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: no matching function for call to 'islower(std::string&)'
    7 |   if(islower(s))
      |      ~~~~~~~^~~
In file included from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46,
                 from /usr/include/c++/14/istream:40,
                 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,
                 from a.cc:1:
/usr/include/c++/14/bits/locale_facets.h:2637:5: note: candidate: 'template<class _CharT> bool std::islower(_CharT, const locale&)'
 2637 |     islower(_CharT __c, const locale& __loc)
      |     ^~~~~~~
/usr/include/c++/14/bits/locale_facets.h:2637:5: note:   candidate expects 2 arguments, 1 provided
In file included from /usr/include/c++/14/cctype:42,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:35:
/usr/include/ctype.h:112:1: note: candidate: 'int islower(int)'
  112 | __exctype (islower);
      | ^~~~~~~~~
/usr/include/ctype.h:112:1: note:   no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int'
  112 | __exctype (islower);
      | ^~~~~~~~~
Language: Java

import java.util.*;


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

        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        if (Character.isUpperCase(str)) {
            System.out.println("A");
        } else {
            System.out.println("a");
        }
    }
}

Compiler output:
Main.java:9: error: no suitable method found for isUpperCase(String)
        if (Character.isUpperCase(str)) {
                     ^
    method Character.isUpperCase(char) is not applicable
      (argument mismatch; String cannot be converted to char)
    method Character.isUpperCase(int) is not applicable
      (argument mismatch; String cannot be converted to int)
1 error
Language: Java

import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		String a = scan.next().charAt(0);
		
		if (String.toUpperCase(a).equals(a)) {
			System.out.println("A");	// 大文字
		}
		else {
			System.out.println("a");	// 小文字
		}
		
		scan.close();
	}
}


Compiler output:
Main.java:8: error: incompatible types: char cannot be converted to String
		String a = scan.next().charAt(0);
		                             ^
Main.java:10: error: incompatible types: String cannot be converted to Locale
		if (String.toUpperCase(a).equals(a)) {
		                       ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
2 errors
Language: Java

import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		String a = scan.next();
		
		if (String.toUpperCase(a).equals(a)) {
			System.out.println("A");	// 大文字
		}
		else {
			System.out.println("a");	// 小文字
		}
		
		scan.close();
	}
}


Compiler output:
Main.java:10: error: incompatible types: String cannot be converted to Locale
		if (String.toUpperCase(a).equals(a)) {
		                       ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error
Language: Java

import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		String a = scan.nextLine();
		
		if (String.toUpperCase(a).equals(a)) {
			System.out.println("A");	// 大文字
		}
		else {
			System.out.println("a");	// 小文字
		}
		
		scan.close();
	}
}

Compiler output:
Main.java:10: error: incompatible types: String cannot be converted to Locale
		if (String.toUpperCase(a).equals(a)) {
		                       ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error
Language: Java

import java.util.Scanner;

public class Alfhabet {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		char a = scan.next().charAt(0);
		
		if (Character.isUpperCase(a)) {
			System.out.println("A");	// 大文字
		}
		else {
			System.out.println("a");	// 小文字
		}
		
		scan.close();
	}
}


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

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		String alfabet = scan.next();
		
		if (Character.isUpperCase(a)) {
			System.out.println("A");	// 大文字
		}
		else {
			System.out.println("a");	// 小文字
		}
		
		scan.close();
	}
}

Compiler output:
Main.java:10: error: cannot find symbol
		if (Character.isUpperCase(a)) {
		                          ^
  symbol:   variable a
  location: class Main
1 error
Language: Java

import java.util.*;

public class Main {
  
  public static void main(String[] args) {
    
    Scanner scan = new Scanner(System.in);
    int x = scan.nextInt();
    char letter = (char) x;
    
    if (Character.isUpperCase('letter')) {
      System.out.println("A");
      return;
    }
    
    System.out.println("a");
  }
}


Compiler output:
Main.java:11: error: unclosed character literal
    if (Character.isUpperCase('letter')) {
                              ^
Main.java:11: error: unclosed character literal
    if (Character.isUpperCase('letter')) {
                                     ^
Main.java:11: error: not a statement
    if (Character.isUpperCase('letter')) {
                                ^
3 errors
Language: Java

import java.util.*;

public class Main {
  
  public static void main(String[] args) {
    
    Scanner scan = new Scanner(System.in);
    char letter = scan.nextChar();
    
    if (Character.isUpperCase(letter)) {
      System.out.println("A");
      return;
    }
    
    System.out.println("a");
  }
}


Compiler output:
Main.java:8: error: cannot find symbol
    char letter = scan.nextChar();
                      ^
  symbol:   method nextChar()
  location: variable scan of type Scanner
1 error
Language: Java

import java.util.*;

public class Main {
  
  public static void main(String[] args) {
    
    Scanner scan = new Scanner(System.in);
    char letter = scan.nextChar();
    
    if (Character.isUpperCase('letter')) {
      System.out.println("A");
      return;
    }
    
    System.out.println("a");
  }
}

Compiler output:
Main.java:10: error: unclosed character literal
    if (Character.isUpperCase('letter')) {
                              ^
Main.java:10: error: unclosed character literal
    if (Character.isUpperCase('letter')) {
                                     ^
Main.java:10: error: not a statement
    if (Character.isUpperCase('letter')) {
                                ^
3 errors
Language: C++

#include <stdio.h>

int main() {
char a;
scanf("%c" , &a);
if (a >= 'A' && a <= 'Z') {
print("A\n");
}
else {
printf("a\n");
}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:1: error: 'print' was not declared in this scope; did you mean 'printf'?
    7 | print("A\n");
      | ^~~~~
      | printf
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> P;
typedef pair<ll,ll> l_l;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<P> vp;
typedef vector<l_l> vpl;
typedef vector<string> vs;
typedef pair<l_l,ll> lll;
#define pb push_back
#define sz(x) (int)(x).size()
#define fi first
#define se second
#define rep(i,n) for(int i=0;i<(n);i++)
#define rrep(i,n) for(int i=1;i<=(n);i++)
const int INF=1001001000;
const int mINF=-1001001000;
const ll LINF=10100100100100100;
const ll dx[4]={1,-1,0,0};
const ll dy[4]={0,0,1,-1};
template<class T> inline bool chmin(T& a,T b){
if(a>b){
a=b;
return true;
}
return false;
}
template<class T> inline bool chmax(T& a,T b){
if(a<b){
a=b;
return true;
}
return false;
}
int main()(
    char c;cin>>c;
    if((int)(c-'a')>25)cout<<'A'<<endl;
    else cout<<'a'<<endl;
    return 0;
)

Compiler output:
a.cc:39:11: error: expected ')' before ';' token
   39 |     char c;cin>>c;
      |           ^
      |           )
a.cc:38:11: note: to match this '('
   38 | int main()(
      |           ^
a.cc:38:1: error: 'main' declared as function returning a function
   38 | int main()(
      | ^~~
a.cc:39:12: error: 'cin' does not name a type
   39 |     char c;cin>>c;
      |            ^~~
a.cc:40:5: error: expected unqualified-id before 'if'
   40 |     if((int)(c-'a')>25)cout<<'A'<<endl;
      |     ^~
a.cc:41:5: error: expected unqualified-id before 'else'
   41 |     else cout<<'a'<<endl;
      |     ^~~~
a.cc:42:5: error: expected unqualified-id before 'return'
   42 |     return 0;
      |     ^~~~~~
a.cc:43:1: error: expected unqualified-id before ')' token
   43 | )
      | ^
Language: C++

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

int main() {
  char b;
  cin >> b;
  
  if(b == 'a' || b == 'b' || b == 'c' b == 'd' || b == 'e' || b == 'f' || b == 'g' || b == 'h' || b == 'i' || b == 'j' || b == 'k' || b == 'l' || b == 'm' || b == 'n' || b == 'o' || b == 'p' || b == 'q' || b == 'r' || b == 's' || b == 't' || b == 'u' || b == 'v' || b == 'w' || b == 'x' || b == 'y' || b == 'z')
	cout << 'a' << endl;
  else
    cout << 'A' << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:38: error: expected ')' before 'b'
    8 |   if(b == 'a' || b == 'b' || b == 'c' b == 'd' || b == 'e' || b == 'f' || b == 'g' || b == 'h' || b == 'i' || b == 'j' || b == 'k' || b == 'l' || b == 'm' || b == 'n' || b == 'o' || b == 'p' || b == 'q' || b == 'r' || b == 's' || b == 't' || b == 'u' || b == 'v' || b == 'w' || b == 'x' || b == 'y' || b == 'z')
      |     ~                                ^~
      |                                      )
Language: C

#include<stdio.h>
int main()
{
  char @;
  scanf("%c",&@);
  if(65<=@<=90)
    printf("A");
  else if(97<=@<=122)
    printf("a");
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:8: error: stray '@' in program
    4 |   char @;
      |        ^
main.c:4:3: warning: useless type name in empty declaration
    4 |   char @;
      |   ^~~~
main.c:5:15: error: stray '@' in program
    5 |   scanf("%c",&@);
      |               ^
main.c:5:16: error: expected expression before ')' token
    5 |   scanf("%c",&@);
      |                ^
main.c:6:10: error: stray '@' in program
    6 |   if(65<=@<=90)
      |          ^
main.c:6:11: error: expected expression before '<=' token
    6 |   if(65<=@<=90)
      |           ^~
main.c:8:15: error: stray '@' in program
    8 |   else if(97<=@<=122)
      |               ^
main.c:8:16: error: expected expression before '<=' token
    8 |   else if(97<=@<=122)
      |                ^~
Language: C

#include<stdio.h> 
int main() 
  { 
    string str;
    scanf("%s",str);
     if(65<=str<=90)
       printf("A");
     if(97<=str<=122)
       printf("a");
  return 0;
  }


Compiler output:
main.c: In function 'main':
main.c:4:5: error: unknown type name 'string'; did you mean 'stdin'?
    4 |     string str;
      |     ^~~~~~
      |     stdin
Language: C

#include<stdio.h> 
int main() 
  { 
    char a;
    scanf("%c",a);
     if(65<=a<=90)
       printf("A");
     else-if(97<=a<=122)
       printf("a");
  return 0;
  }


Compiler output:
main.c: In function 'main':
main.c:8:11: error: expected expression before 'if'
    8 |      else-if(97<=a<=122)
      |           ^~
Language: C

#include<stdio.h> 
int main() 
  { 
    char a;
    scanf("%c",a);
     if(65<=a<=90)
       printf("A");
     elseif(97<=a<=122)
       printf("a");
  return 0;
  }


Compiler output:
main.c: In function 'main':
main.c:8:6: error: implicit declaration of function 'elseif' [-Wimplicit-function-declaration]
    8 |      elseif(97<=a<=122)
      |      ^~~~~~
main.c:8:24: error: expected ';' before 'printf'
    8 |      elseif(97<=a<=122)
      |                        ^
      |                        ;
    9 |        printf("a");
      |        ~~~~~~