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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: no matching function for call to 'islower(std::string&)'
    6 |   if(islower(input)){
      |      ~~~~~~~^~~~~~~
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.Scanner;

public class ques {
	
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		char c = s.next().charAt(0);
		
		if(c>=65 && c<=90) {
			System.out.println("A");
		}
		else
			System.out.println('a');
	}

}


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

#include<bits/stdc++.h>
#include<vector>
#include<string>
using namespace std;
#define l long long
#define pb push_back
#define mem(a,n) memset(a,n,sizeof(a))
#define find(v,n) find(v.begin(),v.end(),n)
#define sort1(v) sort(v.begin(),v.end())
#define lb(v,n) lower_bound(v.begin(),v.end(),n)
#define ub(v,n) upper_bound(v.begin(),v.end(),n)
#define mod 998244353
#define reverse(s) reverse(s.begin(),s.end())
//#define pi pair<l,l> 
const double pi=3.141592653589793;
bool isprime(l n)
{
	for(l i=2;i<=n;i++)
	{
		if(n%i==0)
			return false;
	}
	return true;
}
/*bool fact(l n)
{
	vector<l> v;
	for(l i=2;i*i<=n;i++)
	{
		if(n%i==0)
		{
			if(i%2==1||(n/i)%2==1)
			{
				return true;
			}
		}
	}
	return false;
}*/
l power(l a,l b)
{
	l ans=1;
	while(b>0)
	{
		if(b&1)
		{
			ans=(ans*a)%mod;
		}
		b>>=1;
		a=(a%mod*a%mod)%mod;
	}
	return ans;
}//prefixsums
void frooty()
{
	char c;
	cin>>c;
	if(c>='a'&&c<='z')
		cout<<'a'<<"\n";
	else
		cout<<'A'<<"\n";
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int q=1;
	fact[0]=1;
	factorial((l)1e6);
//	cin>>q;
	while(q--)
	{
		frooty();
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:69:9: error: 'fact' was not declared in this scope
   69 |         fact[0]=1;
      |         ^~~~
a.cc:70:9: error: 'factorial' was not declared in this scope
   70 |         factorial((l)1e6);
      |         ^~~~~~~~~
Language: Java


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;


public class D {

    int mod ;
    //
    String s = "codeforces";

    void solve(char  c) {
        if(c>='a'){
            System.out.println('a');
            return ;
        }else{
            System.out.println('A');
        }
    }
    void draw(int[] arr){
        char[] cs = s.toCharArray();
        StringBuilder sb = new StringBuilder();
        for(int i=0;i<10;i++){
            for(int j=arr[i];j>0;j--){
                sb.append(cs[i]);
            }
        }
        System.out.println(sb.toString());
    }


    public static void main(String[] args)  throws IOException {
        // Use the Scanner class

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        String[]  s = br.readLine().split(" ");
        D test = new D();

        char c = s[0].charAt(0);

        test.solve(c);

        //int tot = Integer.parseInt(br.readLine());


//        int i =1;
//        System.out.println();
//        while(tot>0){
//
//            String s = br.readLine();
//            String[] sr = s.split(" ");
//            List<Long> ls = new ArrayList<>();
//            for(String ss:sr){
//                ls.add(Long.parseLong(ss));
//            }
//            Main tt = new Main();
//            tt.sol(ls);
//            // String Buffer to store answer
//            StringBuffer sb = new StringBuffer();
////            Solution obj = new Solution();
////
////            System.out.println("Case #"+i+": "+obj.sol());
//            tot--;
//            i++;
//        }
    }

}



Compiler output:
Main.java:8: error: class D is public, should be declared in a file named D.java
public class D {
       ^
1 error
Language: C++

using namespace std;
int main(){
char s;
cin >> s;
if (isupper(s)) cout<<"A";
else cout<<"a";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:1: error: 'cin' was not declared in this scope
    4 | cin >> s;
      | ^~~
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:5:5: error: 'isupper' was not declared in this scope
    5 | if (isupper(s)) cout<<"A";
      |     ^~~~~~~
a.cc:5:17: error: 'cout' was not declared in this scope
    5 | if (isupper(s)) cout<<"A";
      |                 ^~~~
a.cc:5:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:6:6: error: 'cout' was not declared in this scope
    6 | else cout<<"a";
      |      ^~~~
a.cc:6:6: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C

#include<bits/stdc++.h>

#define ll long long

using namespace std;

//memset(dp, 0, sizeof(dp));

void work(int T) {
	char a;
	cin >> a;
	if(a < 'a') {
		cout << "A" << endl;
	} else {
		cout << "a" << endl;
	}
}

int main() {
	ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.precision(10);
    cout << fixed;
	// int t;
	// for(cin >> t; t > 0; t--) {
		// work(t);
	// }
	work(0);
	return 0;
};

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

/**-------------------------
|--------From A.R.A--------|
-------------------------**/

#include <bits/stdc++.h>

#define ll            long long int
#define pb            push_back
#define ull           unsigned long long int
#define endl          "\n"
#define sz(c)         (c).size()
#define sall(c)       sort((c).begin(),(c).end())
#define rsall(c)      sort((c).rbegin(),(c).rend())
#define rev(c)        reverse((c).begin(),(c).end())
#define FOR(i,n)      for(ll i=0;i<n;i++)
#define max3(a,b,c)   max(max(a,b),c)
#define min3(a,b,c)   min(min(a,b),c)
#define input(a,i,n)  for(ll i=1;i<=n;i++){      cin>>a[i];}
#define output(a,i,n) for(ll i=1;i<=n;i++){cout<<a[i]<<" ";}

using namespace std;
int64_t R=1;
void solution(){
    char s;
    cin>>s;
    if(s-0<=90 && s-0>=65){cout<<"A"<<endl;}
    else{cout<<"a"<<endl;}
int main()
{
    cin>>R;
    while(R--){solution();}
    return 0;
}


Compiler output:
a.cc: In function 'void solution()':
a.cc:28:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   28 | int main()
      |         ^~
a.cc:28:9: note: remove parentheses to default-initialize a variable
   28 | int main()
      |         ^~
      |         --
a.cc:28:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:29:1: error: a function-definition is not allowed here before '{' token
   29 | {
      | ^
a.cc:33:2: error: expected '}' at end of input
   33 | }
      |  ^
a.cc:23:16: note: to match this '{'
   23 | void solution(){
      |                ^
Language: C++

#include <bits/stdc++.h>
#define int long long int
#define ii pair<int,int>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
using namespace std;
#define output(x) for (auto a:x) cout<<a<<" ";cout<<endl;
#define output2(x) for (auto a:x) cout<<a.fi<<" "<<a.se<<endl;
#define PI 3.14159265

// DEBUG TEMPLATE
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
  enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
  ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
  *this << "[";
  for (auto it = d.b; it != d.e; ++it)
  *this << ", " + 2 * (it == d.b) << *it;
  ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
  
// DEBUG TEMPLATE ENDS

#define MOD 1000000007
int power(int x,int y,int mod = MOD) 
{ 
  int ret = 1;
  x = x % mod;
  while (y){
    if(y&1) ret = (ret*x)%mod;
    y = y>>1;
    x = (x*x)%mod;
    } 
    return ret%mod; 
}


bool cmp(ii a, ii b){
  return a.fi < a.se;
}

void solve()
{ 
  char x;
  cin>>x;
  if (c>='A' && c<='Z') cout<<'A';
  else cout<<'a';
}


/*
  
*/
signed main(){
  int t = 1;
  // cin>>t;
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  for (int test=1;test<=t;test++){
    // debug() << imie(test);
    solve();
  }
}
// Check MOD values plox :(


Compiler output:
a.cc: In function 'void solve()':
a.cc:67:7: error: 'c' was not declared in this scope
   67 |   if (c>='A' && c<='Z') cout<<'A';
      |       ^
Language: Java

import java.util.*;

class Main {
  Scanner sc = new Scanner(System.in);
  char ch = sc.next().charAt(0);
  int asciival = ch -'A';
  if(0 <= asciival && asciival <= 26)
    System.out.println("A");
  else
    System.out.println("a");
}


Compiler output:
Main.java:7: error: illegal start of type
  if(0 <= asciival && asciival <= 26)
  ^
Main.java:7: error: <identifier> expected
  if(0 <= asciival && asciival <= 26)
                  ^
Main.java:7: error: <identifier> expected
  if(0 <= asciival && asciival <= 26)
                              ^
Main.java:8: error: <identifier> expected
    System.out.println("A");
                      ^
Main.java:8: error: illegal start of type
    System.out.println("A");
                       ^
Main.java:9: error: illegal start of type
  else
  ^
Main.java:10: error: <identifier> expected
    System.out.println("a");
                      ^
Main.java:10: error: illegal start of type
    System.out.println("a");
                       ^
8 errors
Language: Java

import java.util.*;

class Main {
  Scanner sc = new Scanner(System.in);
  char ch = sc.next().charAt(0);
  int asciival = ch -'A';
  if(asciival >= 0 && asciival <= 26)
    System.out.println("A");
  else
    System.out.println("a");
}


Compiler output:
Main.java:7: error: illegal start of type
  if(asciival >= 0 && asciival <= 26)
  ^
Main.java:7: error: <identifier> expected
  if(asciival >= 0 && asciival <= 26)
             ^
Main.java:7: error: <identifier> expected
  if(asciival >= 0 && asciival <= 26)
                              ^
Main.java:8: error: <identifier> expected
    System.out.println("A");
                      ^
Main.java:8: error: illegal start of type
    System.out.println("A");
                       ^
Main.java:9: error: illegal start of type
  else
  ^
Main.java:10: error: <identifier> expected
    System.out.println("a");
                      ^
Main.java:10: error: illegal start of type
    System.out.println("a");
                       ^
8 errors
Language: Java

import java.util.*;

class Main {
  Scanner sc = new Scanner(System.in);
  char ch;
  ch = sc.nextChar();
  int asciival = ch - 'A';
  if(asciival >= 0 && asciival <= 26)
    System.out.println("A");
  else
    System.out.println("a");
}

Compiler output:
Main.java:6: error: <identifier> expected
  ch = sc.nextChar();
    ^
Main.java:8: error: illegal start of type
  if(asciival >= 0 && asciival <= 26)
  ^
Main.java:8: error: <identifier> expected
  if(asciival >= 0 && asciival <= 26)
             ^
Main.java:8: error: <identifier> expected
  if(asciival >= 0 && asciival <= 26)
                              ^
Main.java:9: error: <identifier> expected
    System.out.println("A");
                      ^
Main.java:9: error: illegal start of type
    System.out.println("A");
                       ^
Main.java:10: error: illegal start of type
  else
  ^
Main.java:11: error: <identifier> expected
    System.out.println("a");
                      ^
Main.java:11: error: illegal start of type
    System.out.println("a");
                       ^
9 errors
Language: Java

import java.util.*;

class Main {
  Scanner sc = new Scanner(System.in);
  char ch = sc.nextChar();
  int asciival = ch -'0';
  if(asciival >= 65 && asciival <= 90)
    System.out.println("A");
  else
    System.out.println("a");
}


Compiler output:
Main.java:7: error: illegal start of type
  if(asciival >= 65 && asciival <= 90)
  ^
Main.java:7: error: <identifier> expected
  if(asciival >= 65 && asciival <= 90)
             ^
Main.java:7: error: <identifier> expected
  if(asciival >= 65 && asciival <= 90)
                               ^
Main.java:8: error: <identifier> expected
    System.out.println("A");
                      ^
Main.java:8: error: illegal start of type
    System.out.println("A");
                       ^
Main.java:9: error: illegal start of type
  else
  ^
Main.java:10: error: <identifier> expected
    System.out.println("a");
                      ^
Main.java:10: error: illegal start of type
    System.out.println("a");
                       ^
8 errors
Language: Java

import java.util.*;

class Main {
  Scanner sc = new Scanner(System.in);
  char ch;
  ch = sc.nextChar();
  int asciival = (int)ch;
  if(asciival >= 65 && asciival <= 90)
    System.out.println("A");
  else
    System.out.println("a");
}


Compiler output:
Main.java:6: error: <identifier> expected
  ch = sc.nextChar();
    ^
Main.java:8: error: illegal start of type
  if(asciival >= 65 && asciival <= 90)
  ^
Main.java:8: error: <identifier> expected
  if(asciival >= 65 && asciival <= 90)
             ^
Main.java:8: error: <identifier> expected
  if(asciival >= 65 && asciival <= 90)
                               ^
Main.java:9: error: <identifier> expected
    System.out.println("A");
                      ^
Main.java:9: error: illegal start of type
    System.out.println("A");
                       ^
Main.java:10: error: illegal start of type
  else
  ^
Main.java:11: error: <identifier> expected
    System.out.println("a");
                      ^
Main.java:11: error: illegal start of type
    System.out.println("a");
                       ^
9 errors
Language: Java

import java.util.*;

class Main {
  Scanner sc = new Scanner(System.in);
  char ch;
  ch = sc.nextChar();
  if((int)ch >= 65 && (int)ch <= 90)
    System.out.println("A");
  else
    System.out.println("a");
}

Compiler output:
Main.java:6: error: <identifier> expected
  ch = sc.nextChar();
    ^
Main.java:7: error: illegal start of type
  if((int)ch >= 65 && (int)ch <= 90)
  ^
Main.java:7: error: <identifier> expected
  if((int)ch >= 65 && (int)ch <= 90)
         ^
Main.java:7: error: <identifier> expected
  if((int)ch >= 65 && (int)ch <= 90)
            ^
Main.java:7: error: <identifier> expected
  if((int)ch >= 65 && (int)ch <= 90)
                          ^
Main.java:7: error: <identifier> expected
  if((int)ch >= 65 && (int)ch <= 90)
                             ^
Main.java:8: error: <identifier> expected
    System.out.println("A");
                      ^
Main.java:8: error: illegal start of type
    System.out.println("A");
                       ^
Main.java:9: error: illegal start of type
  else
  ^
Main.java:10: error: <identifier> expected
    System.out.println("a");
                      ^
Main.java:10: error: illegal start of type
    System.out.println("a");
                       ^
11 errors
Language: C++

#include<iosream>
using namespace std;

int main(){
 
  char c;
  cin>>c;
  
if(isupper(c)) {
	cout<<'A';
else
  cout<<'a';
}
  
}

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

#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < n; i++)
#define all(x)(x).begin(), (x).end() // 昇順ソート
#define rall(v)(v).rbegin(), (v).rend() // 降順ソート
#define INF 1LL << 60
typedef long long int LL;
typedef long long int ll;
#define pll pair < ll, ll >
#define F first
#define S second
const int MOD = 1000000007;
template < class T > bool chmax(T & a,const T & b) { if (a < b) { a = b; return true; } return false; }
template < class T > bool chmin(T & a,const T & b) { if (a > b) { a = b; return true; } return false; }
// 任意のlogは　対数の底の変換を使う    log(N) / log(任意の底)

int main() {
    char c:cin >> c;
    int a = c - 'A';
    if(a <= 26)cout << "A" << endl;
    else{
        cout << "a" << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:11: error: found ':' in nested-name-specifier, expected '::'
   18 |     char c:cin >> c;
      |           ^
      |           ::
a.cc:18:10: error: 'c' has not been declared
   18 |     char c:cin >> c;
      |          ^
a.cc:18:16: error: qualified-id in declaration before '>>' token
   18 |     char c:cin >> c;
      |                ^~
a.cc:19:13: error: 'c' was not declared in this scope
   19 |     int a = c - 'A';
      |             ^
Language: Java

import java.util.*;

public class a {
 static public void main(String args[]){
  Scanner sc=new Scanner(System.in);
   
  String str=sc.next();
  if(Character.isUpperCase(str.charAt(0)))
    System.out.print("A");
  else System.out.print("a");
 }
}


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

import java.util.Scanner;

public class Solution {
  public static void main(String[] args) {
    Scanner myObj = new Scanner(System.in);
  	String in = userName = myObj.nextLine();
    if (in.charAt(0) >= 'a' && in.charat(0) <= 'z') {
      System.out.println("a");
    } else {
      System.out.println("A");
    }
  }
}

Compiler output:
Main.java:3: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
Main.java:6: error: cannot find symbol
  	String in = userName = myObj.nextLine();
  	            ^
  symbol:   variable userName
  location: class Solution
Main.java:7: error: cannot find symbol
    if (in.charAt(0) >= 'a' && in.charat(0) <= 'z') {
                                 ^
  symbol:   method charat(int)
  location: variable in of type String
3 errors
Language: C++

#include<iostream>
using namespace std;

int main()
{
  char ch;
  cin>>ch;
  
  if(ch>=65 and ch<97)
    cout<<"A"<<endl;
  else if(ch>=97 and <=122)
    cout<<"a"<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:22: error: expected primary-expression before '<=' token
   11 |   else if(ch>=97 and <=122)
      |                      ^~
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(str.islower()){System.out.println("a");}
		else{System.out.println("A");}
	}
}

Compiler output:
Main.java:6: error: cannot find symbol
        if(str.islower()){System.out.println("a");}
              ^
  symbol:   method islower()
  location: variable str of type String
1 error
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String str = sc.nextInt();
        if(str.islower()){System.out.println("a");}
		else{System.out.println("A");}
	}
}

Compiler output:
Main.java:5: error: incompatible types: int cannot be converted to String
		String str = sc.nextInt();
		                       ^
Main.java:6: error: cannot find symbol
        if(str.islower()){System.out.println("a");}
              ^
  symbol:   method islower()
  location: variable str of type String
2 errors
Language: C++

#include<iostream.h>
#include<cctype.h>
using namespace std;
int main(){
  char ch;
  cin>>ch;
  if(isupper(ch)){
    cout<<"A"<<endl;
  }
  else if(islower(ch)){
    cout<<"a"<<endl;
  }
  else{
    return -1;
  }
  return 0;
}

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

#include<iostream>
using namepsace std;

int main()
{
  char c;
  cin>>c;
  if(c>=65 && c<=90)
    cout<<'A';
  else cout<<'a';
}

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:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin>>c;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:9:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |     cout<<'A';
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:8: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |   else cout<<'a';
      |        ^~~~
      |        std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

import java.util.Scanner; 
public class Main {
   public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);
      String input = sc.next();
      if(Character.isLowerCase(input.charAt(0))){
         System.out.println("a");
      } else {
         System.out.println("A");
      }
   }
}

Compiler output:
main.c:1:1: error: unknown type name 'import'
    1 | import java.util.Scanner;
      | ^~~~~~
main.c:1:12: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    1 | import java.util.Scanner;
      |            ^
main.c:2:1: error: unknown type name 'public'
    2 | public class Main {
      | ^~~~~~
main.c:2:14: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Main'
    2 | public class Main {
      |              ^~~~
Language: C++

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

int main(){

int fruits[1001] , pickFruits , N ;
  
strm >> N >> pickFruits >> endl ;
  
for(int i=0; i<N ; i++){
	cin >> fruits[i] ;
}
  
sort(arr , arr+N);
int sum=0;  
for(int i=0; i<pickFruits;i++){
sum+= arr[i];
}
 cout << sum ;
return 0 ;


}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:1: error: 'strm' was not declared in this scope; did you mean 'tm'?
    8 | strm >> N >> pickFruits >> endl ;
      | ^~~~
      | tm
a.cc:14:6: error: 'arr' was not declared in this scope
   14 | sort(arr , arr+N);
      |      ^~~
Language: C++

#include <bits/stdc++.h>
#define NMAX 
#define ll long long
using namespace std;
ll n, t, i, k;
char t;
int main()
{
    cin>>t;
    if(t>='A' && t<='Z')
        cout<<"A";
        else
            cout<<"a";
    return 0;
}


Compiler output:
a.cc:6:6: error: conflicting declaration 'char t'
    6 | char t;
      |      ^
a.cc:5:7: note: previous declaration as 'long long int t'
    5 | ll n, t, i, k;
      |       ^
Language: C++

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> 
#include <ext/pb_ds/tree_policy.hpp> 

#define F first
#define S second
#define pb push_back
#define mp make_pair
#define iter(a, b, c) for(auto(a) = (b); (a) < (c); ++(a))

using namespace std;
using namespace __gnu_pbds; 

typedef long long int ll;
typedef vector<int> vi;
typedef pair<int,int> pp;
typedef vector<pp> vpp;
typedef vector<ll> vll;
typedef vector<char> vc;
typedef tree<int, null_type, less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;

int fpower(int x, unsigned int y, int p)  
{  
    int res = 1; 
    x = x % p;
    if (x == 0) return 0;
    while (y > 0)  
    {  
        if (y & 1)  
            res = (res*x) % p;  
        y = y>>1;
        x = (x*x) % p;  
    }  
    return res;  
}  

int minimum(int x,int y){
    if(x<y)
        return x;
    else return y;
}

int maximum(int x,int y){
    if(x>y)
        return x;
    else return y;
}

int gcd(int a, int b) 
{ 
    if (b == 0) 
        return a; 
    return gcd(b, a % b);  
      
} 

int lcm(int a,int b){
    return (a*b/gcd(a,b));
}

//----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    char c;
    cin>>c;
    if(c>='A' && cc<='Z')
        cout<<'A';
    else
        cout<<'a';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:69:18: error: 'cc' was not declared in this scope; did you mean 'c'?
   69 |     if(c>='A' && cc<='Z')
      |                  ^~
      |                  c
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
    long long n;
    cin >> n;
    string ans;
    
    while (n > 0){
        n--;
        ans += (n % 26) + 'a';
        n /= 26;
    }
 
    reverse(ans.begin(), ans.end());
    
 
    
    cout << ans << endl;
    

Compiler output:
a.cc: In function 'int main()':
a.cc:19:25: error: expected '}' at end of input
   19 |     cout << ans << endl;
      |                         ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: Java


import java.util.Scanner;


public class Solution {

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

        System.out.println( ( lower.equals(input) ) ? 'a': 'A');
    }
}

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


import java.util.Scanner;

public class Alphabet {

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

        System.out.println( ( lower.equals(input) ) ? 'a': 'A');
    }
}

Compiler output:
Main.java:4: error: class Alphabet is public, should be declared in a file named Alphabet.java
public class Alphabet {
       ^
1 error
Language: C++

#include<iostream>
using namespace std ;
 
 
int main(){
 
char inp ;
cin >> inp ;
  
 if (inp >= 'A' && inp< = 'Z')
   cout << 'A' ;
 else 
   cout << 'a';
 
return o ;
 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:25: error: expected primary-expression before '=' token
   10 |  if (inp >= 'A' && inp< = 'Z')
      |                         ^
a.cc:15:8: error: 'o' was not declared in this scope
   15 | return o ;
      |        ^
Language: C++

#include<iostream>
using namespace std ;


int main(){

char inp ;
cin >> inp ;
  
 if (inp >= 'A' inp< = 'Z')
   cout << 'A' ;
 else 
   cout << 'a';

return o ;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: expected ')' before 'inp'
   10 |  if (inp >= 'A' inp< = 'Z')
      |     ~          ^~~~
      |                )
a.cc:15:8: error: 'o' was not declared in this scope
   15 | return o ;
      |        ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
    char str[100];
    cin >> str;
    if(str>='a' && str<='z')
        cout << "a" << endl;
    else if(str >='A' && str<='Z')
        cout << "A" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    7 |     if(str>='a' && str<='z')
      |        ~~~^~~~~
a.cc:7:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    7 |     if(str>='a' && str<='z')
      |                    ~~~^~~~~
a.cc:9:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     else if(str >='A' && str<='Z')
      |             ~~~~^~~~~
a.cc:9:29: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     else if(str >='A' && str<='Z')
      |                          ~~~^~~~~
Language: C++

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

int main(){
  	string str;
  	cin >> str;
  	if(isupper(str)) cout << "a" << endl;
  	else cout << "A" << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:19: error: no matching function for call to 'isupper(std::string&)'
    7 |         if(isupper(str)) cout << "a" << endl;
      |            ~~~~~~~^~~~~
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, 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:117:1: note: candidate: 'int isupper(int)'
  117 | __exctype (isupper);
      | ^~~~~~~~~
/usr/include/ctype.h:117:1: note:   no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int'
  117 | __exctype (isupper);
      | ^~~~~~~~~
Language: C++

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

int main(){
  	string str;
  	cin >> str;
  	if(is_upper(str)) cout << "a" << endl;
  	else cout << "A" << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:12: error: 'is_upper' was not declared in this scope; did you mean 'iswupper'?
    7 |         if(is_upper(str)) cout << "a" << endl;
      |            ^~~~~~~~
      |            iswupper
Language: C++

#include <include>
using namespace std;
 
int main(int argc, char const *argv[])
{
	char ch;
	cin>>ch;
 
	if(ch >= 65 && ch <=90)
		cout<<"A"<<endl;
	else if(ch >= 97 && ch <=122)
		cout<<"a"<<endl;
	return 0;
}

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

/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author Kein Yukiyoshi
 */
 
#include "bits/stdc++.h"
#define int long long
#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 FOR(i, a)           for (auto &i : a)
#define ALL(obj)            begin(obj), end(obj)
#define MAX(x)              *max_element(ALL(x))
#define MIN(x)              *min_element(ALL(x))
#define SUM(x)              accumulate(ALL(x), 0LL)
#define LOWER_BOUND(A, key) distance(A.begin(), lower_bound(ALL(A), key))
#define UPPER_BOUND(A, key) distance(A.begin(), upper_bound(ALL(A), key))
 
using namespace std;
const int MOD    = (int)(1e9 + 7);
const int INF    = (int)(1e13 + 7);
const double EPS = 1e-14;
const double PI  = acos(-1);
 
int CEIL(int a, int b) { return (a >= 0 ? (a + (b - 1)) / b : (a - (b - 1)) / b); } //ceil() for int
int mod(int a, int b) { return a >= 0 ? a % b : a - (b * CEIL(a, b)); }             //always return positive num
int bpm(int a, int b) {                                                             //return x^y in order(log(y))
  int res = 1;
  for (a %= MOD; b; a = a * a % MOD, b >>= 1)
    if (b & 1) res = res * a % MOD;
  return res;
}
 
class ALphabet {
public:
  static void solve(istream &cin, ostream &cout) {
    char a;
    cin >> a;
    if (a >= 97) {
      cout << 'a' << endl;
    } else {
      cout << 'A' << endl;
    }
  }
};

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define N 100010
#define ll long long
int main()
{
    char a;
    cin>>a;
    if(a <= 'Z' && a >= 'A'){
        cout<<"A";
    } 
    else{
        cout<<"a";
    }
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:15:14: error: expected '}' at end of input
   15 |     return 0;
      |              ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C

/*
* @Author: kabbo
* @Date:   2020-06-21 21:00:55
* @Last Modified by:   kabbo
* @Last Modified time: 2020-06-21 21:03:27
*/
#include<bits/stdc++.h>
using namespace std;
#define pii pair<long long,long long>
#define endl '\n'
#define ull unsigned long long
#define ll long long
const int mod = 1e9 + 7;
using u64 = uint64_t;
using u128 = __uint128_t;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
void solve() {
	char ch;
	cin >> ch;
	if (isupper(ch)) {
		cout << "A" << endl;
	}
	else
		cout << "a" << endl;
}
int main() {

	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	/*int t;
	cin >> t;
	for (int i(1); i <= t; ++i) {
		printf("Case %d: ", i);*/
	solve();
	//}
#ifndef LOCAL_DEFINE
	cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << "s.\n";
#endif
	return 0;
}

Compiler output:
main.c:7:9: fatal error: bits/stdc++.h: No such file or directory
    7 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<buts/stdc++.h>
using namespace std;
int main()
{
  char a;
  scanf("%c", &a);
  if((a-'a')>=0)
    printf("a");
  else
    printf("A");
}

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

#include<iostream>
using namespace std;

int main()
{
    char a;
    cin>>a;
    if(a <= 'Z' && a >= 'A'){
        cout<<"A";
    } 
    else{
        cout<<"a";
    }
    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:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<include>
using namespace std;

int main()
{
    char a;
    cin>>a;
    if(a <= 'Z' && a >= 'A'){
        cout<<"A";
    } 
    else{
        cout<<"a";
    }
    return 0;

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

import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
      	Scanner sc = new Scanner(System.in);
        if( Character.isUpperCase( str.charAt(sc.next()) ) ) {
    		System.out.println("A");
		} else {
    		System.out.println("a");
		}
    }
}

Compiler output:
Main.java:6: error: cannot find symbol
        if( Character.isUpperCase( str.charAt(sc.next()) ) ) {
                                   ^
  symbol:   variable str
  location: class Main
1 error
Language: C++

#define _DEBUG
#ifdef _DEBUG
#define _GLIBCXX_DEBUG -Wall -Wextra -Wshadow -D_GLIBCXX_ASSERTIONS -DDEBUG -ggdb3 -fmax-errors=2
#endif

#pragma warn +xxx
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define PB push_back
#define ln "\n"
#define forn(i,e) for( i=0; i<e; i++)
#define forsn(i,s,e) for( i=s; i<e; i++)
#define rforn(i,e) for( i=e; i>=0; i--)
#define vasort(v)         sort(v.begin(), v.end());
#define vdsort(v)         sort(v.begin(), v.end(),greater<int>());
#define fio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define out1(x1) cout << x1 << ln
#define out2(x1,x2) cout << x1 << " " << x2 << ln
#define out3(x1,x2,x3) cout << x1 << " " << x2 << " " << x3 << ln
#define out4(x1,x2,x3,x4) cout << x1 << " " << x2 << " " << x3 << " " << x4 << ln


#define in1(x1) cin >> x1
#define in2(x1,x2) cin >> x1 >> x2
#define in3(x1,x2,x3) cin >> x1 >> x2 >> x3
#define in4(x1,x2,x3,x4) cin >> x1 >> x2 >> x3 >> x4

#define arrin(a, n) forn(i, n) cin >> a[i];
#define arrout(a,n) forn(i,n) {cout << a[i] << " ";} cout << ln;

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int dr[] = {0,1,-1,0,1,-1,1,-1};
int dc[] = {1,0,0,-1,1,-1,-1,1};

ll exp(ll n, ll m, ll md){
        ll a = 1;
        while (m > 0){
                if (m&1) a = (a * n%md) % md;
                m /= 2;
                n = (n*n) % md;
        }
        return a % md;
}

void disp(vi v){
        for(auto u:v)
                cout<<u<<" ";
        cout<<"\n";
}

#define DEBUG
#ifdef DEBUG

#endif


void go1() {
        ll n;
        cin >> n;
        vi ans;
        while(n > 0) {
                ans.PB(n%26);
                n/=26;
        }
        reverse(ans.begin(), ans.end());
        int i;
        forn(i,ans.size()) {
                cout << (char)(ans[i] + 96);
        }

}
void go2() {
        char c;
        cin >> c;
        if((int) c >= 97) {
                cout << 'a';
        }
        else cout << 'A';

int main(){
        fio;
        //freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
        ll tt = 1;
/*

        cin >> tt;


        //*/
        while(tt--){
                go2();
        }

        return 0;
}

Compiler output:
a.cc: In function 'void go2()':
a.cc:88:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   88 | int main(){
      |         ^~
a.cc:88:9: note: remove parentheses to default-initialize a variable
   88 | int main(){
      |         ^~
      |         --
a.cc:88:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:88:11: error: a function-definition is not allowed here before '{' token
   88 | int main(){
      |           ^
a.cc:103:2: error: expected '}' at end of input
  103 | }
      |  ^
a.cc:80:12: note: to match this '{'
   80 | void go2() {
      |            ^
Language: C

#include<bits/stdc++.h>

using namespace std;
 
typedef vector <int> vi;
typedef pair< int ,int > pii;
#define endl "\n"
#define sd(val) scanf("%d",&val)
#define ss(val) scanf("%s",&val)
#define sl(val) scanf("%lld",&val)
#define debug(val) printf("check%d\n",val)
#define all(v) v.begin(),v.end()
#define PB push_back
#define MP make_pair
#define FF first
#define SS second
#define ll long long
#define MOD 1000000007
#define clr(val) memset(val,0,sizeof(val))
#define what_is(x) cerr << #x << " is " << x << endl;
#define OJ \
    freopen("input.txt", "r", stdin); \
    freopen("output.txt", "w", stdout);
#define FIO ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
 
 
int main()
{
 
 char a;cin>>a;

 if(a<='Z'&&a>='A')cout<<"A\n";
 else cout<<"a\n";
 
 
 
 
 
return 0;
   
}

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

#include<bits/stdc++.h>
using namespace std;
int main(){
  char x;cin>>x;
  if(x-'a'<0)cout<<'A'<<endl:
  else cout<<'a'<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:29: error: expected ';' before ':' token
    5 |   if(x-'a'<0)cout<<'A'<<endl:
      |                             ^
      |                             ;
Language: Java

import java.util.*;
class Main
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
    char c = sc.next();
    if(char c >= 'A' && c<='Z')
      System.out.print("A");
    if(char c>='a' && c<='z')
      System.out.print("a");
  }
}

Compiler output:
Main.java:8: error: '.class' expected
    if(char c >= 'A' && c<='Z')
            ^
Main.java:8: error: not a statement
    if(char c >= 'A' && c<='Z')
                     ^
Main.java:8: error: ';' expected
    if(char c >= 'A' && c<='Z')
                              ^
Main.java:10: error: '.class' expected
    if(char c>='a' && c<='z')
            ^
Main.java:10: error: not a statement
    if(char c>='a' && c<='z')
                   ^
Main.java:10: error: ';' expected
    if(char c>='a' && c<='z')
                            ^
6 errors
Language: Java

import java.util.*;

class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    char c = sc.next().charAt(0);
    
    if(c >= A && c <= Z){
      System.put.println("A");
    }else{
      System.out.println("a");
    }
  }
}

Compiler output:
Main.java:8: error: cannot find symbol
    if(c >= A && c <= Z){
            ^
  symbol:   variable A
  location: class Main
Main.java:8: error: cannot find symbol
    if(c >= A && c <= Z){
                      ^
  symbol:   variable Z
  location: class Main
Main.java:9: error: cannot find symbol
      System.put.println("A");
            ^
  symbol:   variable put
  location: class System
3 errors
Language: C++

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

#define int long long
#define pb push_back
#define in insert
#define F first
#define S second
#define mod 1000000007
#define endl '\n'
#define all(x)  x.begin(),x.end()
#define w(x) int x;cin>>x; while(x-->0)
#define memset(a,b) memset(a,b,sizeof(a))
#define debug(x) cout << "[ " << #x  << " : " << x << " ]" << endl;

void fast()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
}
/*
think fast
think simple
*/
void mysol()
{
    char ch;cin>>ch;
    if(ch>='a'and ch<='z')
    	cout<<"a";
    else
    	cout<<'A';
}

int32_t main()
{
    fast();
    //w(t)
    {
        mysol();
    }
    //cerr << sizeof(dp)*(1e-6) << " megabytes\n";
    return 0;
}


Compiler output:
a.cc: In function 'void mysol()':
a.cc:33:12: error: unable to find character literal operator 'operator""and' with 'char' argument
   33 |     if(ch>='a'and ch<='z')
      |            ^~~~~~
a.cc:33:18: error: expected ')' before 'ch'
   33 |     if(ch>='a'and ch<='z')
      |       ~          ^~~
      |                  )
Language: Java

public class Main {

    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            char in = sc.next().charAt(0);
            System.out.println('A' <= in && in <= 'Z' ? 'A' : 'a');
        }
    }

}


Compiler output:
Main.java:4: error: cannot find symbol
        try (Scanner sc = new Scanner(System.in)) {
             ^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
        try (Scanner sc = new Scanner(System.in)) {
                              ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include<iostream>
include<cctype>
using namespace std;
int main()
{char ch;
 cin>>ch;
 if(isupper(ch))
   cout<<"A";
 else cout<<"a";
 return 0;}


Compiler output:
a.cc:2:1: error: 'include' does not name a type
    2 | include<cctype>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:2: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |  cin>>ch;
      |  ^~~
      |  std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:4: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |    cout<<"A";
      |    ^~~~
      |    std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:9:7: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |  else cout<<"a";
      |       ^~~~
      |       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()
{ 
string α;
cin>>α;   

 if ((65<="α") && ("α"<=90)){
cout<<"A"<<endl;
}
 else{
cout<<"a"<<endl;
}
}



Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |  if ((65<="α") && ("α"<=90)){
      |       ~~^~~~~
a.cc:9:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |  if ((65<="α") && ("α"<=90)){
      |                    ~~~^~~~
Language: C++

#include<stdio.h>
using namespace std;
int main(void){
  int a;
  cin >>a;
  if(a= A to Z ){
    cout >>A;
  }
  if(a= a to z ){
    cout >>a;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin >>a;
      |   ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<stdio.h>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:6:9: error: 'A' was not declared in this scope
    6 |   if(a= A to Z ){
      |         ^
a.cc:6:10: error: expected ')' before 'to'
    6 |   if(a= A to Z ){
      |     ~    ^~~
      |          )
a.cc:7:5: error: 'cout' was not declared in this scope
    7 |     cout >>A;
      |     ^~~~
a.cc:7:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:10: error: expected ')' before 'to'
    9 |   if(a= a to z ){
      |     ~    ^~~
      |          )
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout >>a;
      |     ^~~~
a.cc:10:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C

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

int main()
{
	char s;
	cin >> s;
	if(s<='z'&&s>='a')
	{
		cout << 'a';
	}
	if(s<='Z'&&s>='A')
	{
		cout << 'A';
	}
	return 0;
}

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

#include<iostream>
include<ctype>
using namespace std;
int main()
{int ch;
 cin>>ch;
 if(isupper(ch))
   cout<<"A";
 else cout<<"a";
 return 0;}


Compiler output:
a.cc:2:1: error: 'include' does not name a type
    2 | include<ctype>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:2: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |  cin>>ch;
      |  ^~~
      |  std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:4: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |    cout<<"A";
      |    ^~~~
      |    std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:9:7: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |  else cout<<"a";
      |       ^~~~
      |       std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~