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

#include <stdio.h>
int main(){
  int n,l;
  scanf("%d%d",&n,&l);
  char s[n][l+1];
  for(int i=0;i<n;i++)scanf("%s",s[i]);
  for(int i=0;i<l;i++)for(int j=0;j<n;j++)for(inr k=j+1;k<n;k++){
    if((int)s[j][i]>(int)s[k][i]){
      char temp=s[j][i];
      s[j][i]=s[k][i];
      s[k][i]=temp;
    }
  }
  for(int i=0;i<n;i++)printf("%s",s[i]);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:47: error: unknown type name 'inr'; did you mean 'int'?
    7 |   for(int i=0;i<l;i++)for(int j=0;j<n;j++)for(inr k=j+1;k<n;k++){
      |                                               ^~~
      |                                               int
Language: C++

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

int main() {
  string L;
  cin >> L;
  vector<int> Si
     for (int i = 0; i < N; i++) {
    cin >> Si;
     }
  
  vector<int> vec = {for(int i=0; i <N; i++)};
    sort(vec.begin(), vec.end());
 
    for (int i = 0; i < N; i++) {
        cout << Si << endl;
    }
}
 

Compiler output:
a.cc: In function 'int main()':
a.cc:8:6: error: expected initializer before 'for'
    8 |      for (int i = 0; i < N; i++) {
      |      ^~~
a.cc:8:22: error: 'i' was not declared in this scope
    8 |      for (int i = 0; i < N; i++) {
      |                      ^
a.cc:8:26: error: 'N' was not declared in this scope
    8 |      for (int i = 0; i < N; i++) {
      |                          ^
a.cc:12:22: error: expected primary-expression before 'for'
   12 |   vector<int> vec = {for(int i=0; i <N; i++)};
      |                      ^~~
a.cc:12:22: error: expected '}' before 'for'
   12 |   vector<int> vec = {for(int i=0; i <N; i++)};
      |                     ~^~~
a.cc:12:22: error: could not convert '{<expression error>}' from '<brace-enclosed initializer list>' to 'std::vector<int>'
   12 |   vector<int> vec = {for(int i=0; i <N; i++)};
      |                      ^~~
      |                      |
      |                      <brace-enclosed initializer list>
a.cc:12:22: error: expected ',' or ';' before 'for'
a.cc: At global scope:
a.cc:13:9: error: expected constructor, destructor, or type conversion before '(' token
   13 |     sort(vec.begin(), vec.end());
      |         ^
a.cc:15:5: error: expected unqualified-id before 'for'
   15 |     for (int i = 0; i < N; i++) {
      |     ^~~
a.cc:15:21: error: 'i' does not name a type
   15 |     for (int i = 0; i < N; i++) {
      |                     ^
a.cc:15:28: error: 'i' does not name a type
   15 |     for (int i = 0; i < N; i++) {
      |                            ^
a.cc:18:1: error: expected declaration before '}' token
   18 | }
      | ^
Language: C++

#include<iostream>
#include <algorithm>
#include <string>
#include<vector>
#include <array>
#include<tuple>
#include<queue>
#include<stack>
#include<iomanip>
//AtCoderC++.cpp

using namespace std;

vector<string> split(string& content, char delim) {
	auto ss = vector<string>();
	string s = "";
	for (size_t i = 0; i < content.length(); i++) {
		if (content[i] == delim) {
			ss.push_back(s);
			s = "";
			continue;
		}
		s += content[i];
	}
	if (s != "")ss.push_back(s);
	return ss;
}

int main() {
	size_t N; cin >> N >> N;
	auto ss = vector<string>(N);
	for (size_t i = 0; i < N; i++) {
		cin >> ss[i];
	}
	sort(ss.begin(), ss.end());
	for (size_t i = 0; i < N; i++) {
		cout << ss[i];
	}
	cout << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:39:22: error: expected '}' at end of input
   39 |         cout << endl;
      |                      ^
a.cc:29:12: note: to match this '{'
   29 | int main() {
      |            ^
Language: C

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

int main()
{
  int n, l;
  cin >> n >> l;
  vector<string> s;
  string result;

  for (int i = 0; i < n; i++) {
    string str;
    cin >> str;
    s.push_back(str);
  }

  for (int i = 0; i < n; i++) {
    for (int j = 0; j < l; j++) {
      if (result[0] < s[i][j]) {
        result = result + s[i];
        break;
      } else if (result[0] > s[i][j]) {
        result = s[i] + result;
        break;
      } else {
        continue;
      }
    }
  }

  cout << result << endl;

  return 0;
}

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

#include<cstdio>
#include<string>
#include<algorithm>
using namespace std;
 
int main(){
  int N, L;
  scanf("%d %d", &N, &L);
  
  string str[100];
  
  for(int i=0; i<N; i++){
    char tmp[L];
    scanf("%s", tmp);
    str[i] = tmp;
  }
  sort(str, str+N);
  
  for(int i = 0; i < N; i++){
    string s;
    s += str[i];
  }
  printf("%s", s.c_str());
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:16: error: 's' was not declared in this scope
   23 |   printf("%s", s.c_str());
      |                ^
Language: C++

#include<cstdio>
#include<string>
#include<algorithm>
using namespace std;
 
int main(){
  int N, L;
  scanf("%d %d", &N, &L);
  
  string str[100];
  
  for(int i=0; i<N; i++){
    char tmp[L];
    scanf("%s", tmp);
    str[i] = tmp;
  }
  sort(str, str+N);
  
  printf("%s", str.c_str());
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:20: error: request for member 'c_str' in 'str', which is of non-class type 'std::string [100]' {aka 'std::__cxx11::basic_string<char> [100]'}
   19 |   printf("%s", str.c_str());
      |                    ^~~~~
Language: C++

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

int main() {
  int N, L;
  cin >> N >> L;
  
  vector<string> S;
  for (int i = 0; i < N; i++) cin >> S.at(i);
    
  sort(S.begin(), S.end());
  for (int i = 0; i < N; i++) {
    cout << S.at(i);
  }
  endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:7: error: statement cannot resolve address of overloaded function
   15 |   endl;
      |       ^
Language: C++

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

int main() {
  int N, L;
  cin >> N >> L;
  
  vector<string> S;
  for (int i = 0; i < N; i++) cin >> S.at(i);
    
  sort(S.begin(), S.end());
  for (int i = 0; i < N; i++) cout << S.at(i);
  endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:7: error: statement cannot resolve address of overloaded function
   13 |   endl;
      |       ^
Language: C++

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

int main() {
  int N, L;
  cin >> N >> L;
  
  vector<string> S;
  for (int i = 0; i < N; i++) cin >> S.at(i)
    
  sort(S.begin(), S.end());
  for (int i = 0; i < N; i++) cout << S.at(i) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:45: error: expected ';' before 'sort'
    9 |   for (int i = 0; i < N; i++) cin >> S.at(i)
      |                                             ^
      |                                             ;
   10 | 
   11 |   sort(S.begin(), S.end());
      |   ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
	stirng str[104];
    int y;
    cin>>y;
    for(int i=0;i<y;i++){
        cin>>str[i];
    }
    sort(str,str+y);
    for(int i=0;i<y;i++){
        cout<<str[i];
    }
    cout<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: 'stirng' was not declared in this scope
    4 |         stirng str[104];
      |         ^~~~~~
a.cc:8:14: error: 'str' was not declared in this scope; did you mean 'std'?
    8 |         cin>>str[i];
      |              ^~~
      |              std
a.cc:10:10: error: 'str' was not declared in this scope; did you mean 'std'?
   10 |     sort(str,str+y);
      |          ^~~
      |          std
Language: C++

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

int main() {
  int N, L;
  cin >> N >> L;
  string S[N];

  for(int i = 0; i < N; i++) {
    cin >> S[i];
  }

  sort(S.begin(), S.end());

  string answer;

  for(int i = 0; i < N; i++) {
    answer += S[i];
  }

  cout << answer << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:10: error: request for member 'begin' in 'S', which is of non-class type 'std::string [N]' {aka 'std::__cxx11::basic_string<char> [N]'}
   13 |   sort(S.begin(), S.end());
      |          ^~~~~
a.cc:13:21: error: request for member 'end' in 'S', which is of non-class type 'std::string [N]' {aka 'std::__cxx11::basic_string<char> [N]'}
   13 |   sort(S.begin(), S.end());
      |                     ^~~
Language: Java

import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String[] NLarr = scan.nextLine().split(" ");
		
		//N개의 string을 입력받는다
		int N = Integer.parseInt(NLarr[0]);
		
		//각 string은 L의 길이를 갖는다
		int L = Integer.parseInt(NLarr[1]);
		
		
		//N개의 string을 저장할 배열을 생성한다.
		String[] strArr = new String[N];
		String str = "";
		
		//N개의 string을 입력받아 배열을 초기화한다.
		for(int i=0; i<N;){
			str = scan.next().toLowerCase();
			if(str.length() == L){
				strArr[i] = str;
				i++;
			}
		}
		
		scan.close();
		
		//앞자리의 숫자별(오름차순)으로 정렬한다.
		}*/
		
		Arrays.sort(strArr);
		
		//최종 출력
		String print="";
		
		for(String _print : strArr){
			print += _print;			
		}
		
		System.out.println(print);
	}
}

Compiler output:
Main.java:32: error: illegal start of type
		}*/
		 ^
Main.java:34: error: <identifier> expected
		Arrays.sort(strArr);
		           ^
Main.java:34: error: <identifier> expected
		Arrays.sort(strArr);
		                  ^
Main.java:39: error: illegal start of type
		for(String _print : strArr){
		^
Main.java:39: error: ';' expected
		for(String _print : strArr){
		                 ^
Main.java:39: error: <identifier> expected
		for(String _print : strArr){
		                          ^
Main.java:43: error: <identifier> expected
		System.out.println(print);
		                  ^
Main.java:43: error: <identifier> expected
		System.out.println(print);
		                        ^
Main.java:45: error: class, interface, enum, or record expected
}
^
9 errors
Language: Java

import java.util.*;
import java.lang.StringBuilder;

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


        int num = Integer.parseInt(line[0]);
        int length = Integer.parseInt(line[1]);
        
        String[] arr = new String[num];

        StringBuilder result = new StringBuilder();
        for(int i = 0;i < num;i++){

            arr[i] = sc.nextLine();

        }

        Arrays.sort(arr);

        StringBuilder result = new StringBuilder();
        for(int i = 0;i < num;i++){
            result.append(arr[i]);
        }

        System.out.println(result.toString());
    }

}

Compiler output:
Main.java:26: error: variable result is already defined in method main(String[])
        StringBuilder result = new StringBuilder();
                      ^
1 error
Language: C++

#include <iostream>
#include <vector>

std::string f(std::vector<std::string> s) {
    std::sort(s.begin(), s.end());
    std::string result = "";
    for (int i = 0; i < s.size(); i++) {
        result.append(s[i]);
    }
    return result;
}

int main() {

    int n, l;
    std::cin >> n >> l;

    std::vector<std::string> s;
    for (int i = 0; i < n; i++) {
        std::string tmp;
        std::cin >> tmp;
        s.push_back(tmp);
    }

    std::string result = f(s);
    std::cout << result << std::endl;

    return 0;
}


Compiler output:
a.cc: In function 'std::string f(std::vector<std::__cxx11::basic_string<char> >)':
a.cc:5:10: error: 'sort' is not a member of 'std'; did you mean 'qsort'?
    5 |     std::sort(s.begin(), s.end());
      |          ^~~~
      |          qsort
Language: C++

#include <iostream>
#include <algorithm>
#include <vector<>
using namespace std;
int main(){
  int n,l;
  vector<string> s[110];
  cin>>n>>l;
  for(int i=0;i<n;i++){
    cin>>s[i];
  }
  sort(s.begin(),s.end());

  for(int i=0;i<n;i++){
    cout<<s[i]
  }
}


Compiler output:
a.cc:3:10: fatal error: vector<: No such file or directory
    3 | #include <vector<>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int n,t;
string a[101];
int main()
{
    cin>>n>>t;
    for(int i=0;i<n;i++)
        cin>>a[i];
    sort(a,a+n);
    for(int i=0;i<n;i++)
        cout<<b[i];
    cout<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:15: error: 'b' was not declared in this scope
   13 |         cout<<b[i];
      |               ^
Language: C++

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

int main(void)
{
  int n,l;
  cin>>n>>l;
  vector<string>v(n)
  for(int i=0;i<n;i++)
    cin>>v.at(i);
  sort(v.begin(),v.end());
  for(int j=0;j<n;j++)
    cout<<v.at(j)
  cout<<endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: expected ',' or ';' before 'for'
    9 |   for(int i=0;i<n;i++)
      |   ^~~
a.cc:9:15: error: 'i' was not declared in this scope
    9 |   for(int i=0;i<n;i++)
      |               ^
a.cc:13:18: error: expected ';' before 'cout'
   13 |     cout<<v.at(j)
      |                  ^
      |                  ;
   14 |   cout<<endl;
      |   ~~~~
Language: C++

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

int main(void)
{
  int n,l;
  cin>>n>>l;
  vectro<string>v(n)
  for(int i=0;i<n;i++)
    cin>>v.at(i);
  sort(v.begin(),v.end());
  for(int j=0;j<n;j++)
    cout<<v.at(j)
  cout<<endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'vectro' was not declared in this scope
    8 |   vectro<string>v(n)
      |   ^~~~~~
a.cc:8:16: error: expected primary-expression before '>' token
    8 |   vectro<string>v(n)
      |                ^
a.cc:8:17: error: 'v' was not declared in this scope
    8 |   vectro<string>v(n)
      |                 ^
a.cc:9:15: error: 'i' was not declared in this scope
    9 |   for(int i=0;i<n;i++)
      |               ^
Language: C++

#include <list>       // ヘッダファイルインクルード
#include <vector>
#include <iostream.h>
using namespace std;         //  名前空間指定

int comp_str(string first_str, string second_str, int length){
  int res = 1;
  int count_length = 0;
  while(count_length != 3){
    char first_c = first_string[count_length];
    char second_c = second_string[count_length];
    if (first_c < second_c) {
      res = 1;
      break;
    }
    else if (first_c > second_c) {
      res = 2;
      break;
    }
  }
  
  return res;
}

int main()
{
  int N, L;
  cin >> N;
  cin >> L;
  
  vector<string> s_v(N, ""); 
  list<string> s_list_sorted;
  for (int i=0; i<N; i++){
    cin >> s_v[i];
  }
  
  for (int i=0; i<N; i++){
    string s_first = s_v[0];
    int min_index = 0;
    for (int j=1; j<N-i; j++){
      string s_second = s_v[j];
      int comp_res = comp_str(s_first, s_second, L);
      if (comp_res == 1) {
      }
      else if (comp_res == 2) {
        s_first = s_second;
        min_index = j;
      }
    }
    s_list_sorted.push_back(s_first);
    s_v.erase(s_v.begin() + j);  
  }
  for(auto itr = list_sorted.begin(); itr != v.end(); ++itr) {
    cout >> *itr;
  }
  cout >> "" >> endl;
}

Compiler output:
a.cc:3:10: fatal error: iostream.h: No such file or directory
    3 | #include <iostream.h>
      |          ^~~~~~~~~~~~
compilation terminated.
Language: C++

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

int main(){
  int N,L;
  cin >> N >> L;
  string str[N];
  for (int i=0;i<N;i++){
    for (int j=0;j<i;j++){
      if(str[i]>str[j]){
        str[i]=str[j]+str[i];
        str[j]="";
      }
    }
  }
  for (int i=0;i<N;i++){
  cout << str[i] << endl;
  }
  ;

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

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

int main(){
  int N,L;
  cin >> N >> L;
  string str[N];
  for (i=0;i<N;i++){
    for (j=0;j<i;j++){
      if(str[i]>str[j]){
        str[i]=str[j]+str[i];
        str[j]="";
      }
    }
  }
  for (i=o;i<N;i++){
  cout << str[i] << endl;
  }
  ;

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: 'i' was not declared in this scope
    8 |   for (i=0;i<N;i++){
      |        ^
a.cc:9:10: error: 'j' was not declared in this scope
    9 |     for (j=0;j<i;j++){
      |          ^
a.cc:16:8: error: 'i' was not declared in this scope
   16 |   for (i=o;i<N;i++){
      |        ^
a.cc:16:10: error: 'o' was not declared in this scope
   16 |   for (i=o;i<N;i++){
      |          ^
a.cc:19:4: error: expected '}' at end of input
   19 |   ;
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
string a[101];
int n;
int main(){
    scanf("%d",&n);
    for(register i=0;i<n;++i)
        cin>>a[i];
    sort(a,a+n);
    for(register i=0;i<n;++i)
        cout<<a[i];
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: 'i' does not name a type
    7 |     for(register i=0;i<n;++i)
      |                  ^
a.cc:7:22: error: expected ';' before 'i'
    7 |     for(register i=0;i<n;++i)
      |                      ^
      |                      ;
a.cc:7:22: error: 'i' was not declared in this scope
a.cc:10:18: error: 'i' does not name a type
   10 |     for(register i=0;i<n;++i)
      |                  ^
a.cc:10:22: error: expected ';' before 'i'
   10 |     for(register i=0;i<n;++i)
      |                      ^
      |                      ;
a.cc:10:22: error: 'i' was not declared in this scope
Language: C++

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

int main() {
    int n, l;
    cin >> n >> l;
    vector<string> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
  
    sort(a.begin(), a.end())

    for (const string s : a) {
        cout << s;
    }

    cout << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:29: error: expected ';' before 'for'
   12 |     sort(a.begin(), a.end())
      |                             ^
      |                             ;
   13 | 
   14 |     for (const string s : a) {
      |     ~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <math.h>
#include <stdio.h>
#include <set>
using namespace std;

int main(){
    int n, l;
    cin>>n>>l;
    char k[n][l+1];
    int i;
    for(i=0; i<n; i++){
        cin>>k[i];
    }

    sort(k, k+n);
    for(i=0; i<n; i++){
        cout<<char[i];
    }
    cout<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:9: error: no matching function for call to 'sort(char [n][(l + 1)], char (*)[(l + 1)])'
   18 |     sort(k, k+n);
      |     ~~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:4762:5: note: candidate: 'template<class _RAIter> void std::sort(_RAIter, _RAIter)'
 4762 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~
/usr/include/c++/14/bits/stl_algo.h:4762:5: note:   template argument deduction/substitution failed:
a.cc:18:9: note:   variable-sized array type 'char (*)[(l + 1)]' is not a valid template argument
   18 |     sort(k, k+n);
      |     ~~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:4793:5: note: candidate: 'template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)'
 4793 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
      |     ^~~~
/usr/include/c++/14/bits/stl_algo.h:4793:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:86:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:292:1: note: candidate: 'template<class _ExecutionPolicy, class _RandomAccessIterator, class _Compare> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, void> std::sort(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _Compare)'
  292 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp);
      | ^~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:292:1: note:   candidate expects 4 arguments, 2 provided
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: candidate: 'template<class _ExecutionPolicy, class _RandomAccessIterator> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, void> std::sort(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator)'
  296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
      | ^~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note:   candidate expects 3 arguments, 2 provided
a.cc:20:15: error: expected primary-expression before 'char'
   20 |         cout<<char[i];
      |               ^~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <math.h>
#include <stdio.h>
#include <set>
using namespace std;

int main(){
    int n, l;
    cin>>n>>l;
    char [n][l+1];
    int i;
    for(i=0; i<n; i++){
        cin>>char[i];
    }

    sort(char, char+n);
    for(i=0; i<n; i++){
        cout<<char[i];
    }
    cout<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:10: error: structured binding declaration cannot have type 'char'
   12 |     char [n][l+1];
      |          ^~~
a.cc:12:10: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:12:11: error: conflicting declaration 'auto n'
   12 |     char [n][l+1];
      |           ^
a.cc:10:9: note: previous declaration as 'int n'
   10 |     int n, l;
      |         ^
a.cc:12:13: error: expected initializer before '[' token
   12 |     char [n][l+1];
      |             ^
a.cc:15:14: error: expected primary-expression before 'char'
   15 |         cin>>char[i];
      |              ^~~~
a.cc:18:10: error: expected primary-expression before 'char'
   18 |     sort(char, char+n);
      |          ^~~~
a.cc:18:16: error: expected primary-expression before 'char'
   18 |     sort(char, char+n);
      |                ^~~~
a.cc:20:15: error: expected primary-expression before 'char'
   20 |         cout<<char[i];
      |               ^~~~
Language: C++

#include<bits/stc++.h>
using namespace std;
int main()
{
  int n,k;
  cin >> n >> k;
  string temp;
  vector<string>v;
  
  while(n--){
    cin >> temp;
    v.push_back(temp);
  }
  sort(v.begin(),v.end());
  for(auto X: v)
    	cout << X;
}
  

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

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

int main(){
    int N, L;
    cin >> N >> L;
    vector<string> S(N);
    for (int i=0; i<N; ++i) {
        cin >> S[i];
    }

    sort(S.begin(), S.end());

    for (int i=0; i<N; i++) {
        cout << S[i];
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'vector' was not declared in this scope
   10 |     vector<string> S(N);
      |     ^~~~~~
a.cc:4:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    3 | #include <algorithm>
  +++ |+#include <vector>
    4 | #include <string>
a.cc:10:18: error: expected primary-expression before '>' token
   10 |     vector<string> S(N);
      |                  ^
a.cc:10:20: error: 'S' was not declared in this scope
   10 |     vector<string> S(N);
      |                    ^
Language: C++

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

int main() {
  int N, L;
  cin >> N >> L;
  vector<string> s(N);
  
  for (int i = 0; i < N; i++) {
    cin >> s[i];
  }
  
  sort(s.begin(), s.end());
  
  string T;
  
  for (int j = o; j < N; j++) {
    T += s[i];
  }
  
  cout << T << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:16: error: 'o' was not declared in this scope
   17 |   for (int j = o; j < N; j++) {
      |                ^
a.cc:18:12: error: 'i' was not declared in this scope
   18 |     T += s[i];
      |            ^
Language: C++

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

int main () {
  int n, l;
  cin >> n >> l;
  vector<string> v;
  for (int i = 0;i < n; i++) {
    string s;
    cin >> s;
    v.push_back(s);
  }
  sort(v.begin(), v.end());
  string ans;
  for (int i = 0; i < n;i++) {
    ans = ans + v[i];
  }
  cout << ans << "\n";  
}

Compiler output:
In file included from a.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio.h:23:3: error: #error "Never include <bits/stdio.h> directly; use <stdio.h> instead."
   23 | # error "Never include <bits/stdio.h> directly; use <stdio.h> instead."
      |   ^~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> n >> l;
      |   ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<bits/stdio.h>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:7:3: error: 'vector' was not declared in this scope
    7 |   vector<string> v;
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include<bits/stdio.h>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:7:10: error: 'string' was not declared in this scope
    7 |   vector<string> v;
      |          ^~~~~~
a.cc:2:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
    1 | #include<bits/stdio.h>
  +++ |+#include <string>
    2 | using namespace std;
a.cc:7:18: error: 'v' was not declared in this scope
    7 |   vector<string> v;
      |                  ^
a.cc:9:11: error: expected ';' before 's'
    9 |     string s;
      |           ^~
      |           ;
a.cc:10:12: error: 's' was not declared in this scope
   10 |     cin >> s;
      |            ^
a.cc:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(v.begin(), v.end());
      |   ^~~~
      |   short
a.cc:14:9: error: expected ';' before 'ans'
   14 |   string ans;
      |         ^~~~
      |         ;
a.cc:16:5: error: 'ans' was not declared in this scope
   16 |     ans = ans + v[i];
      |     ^~~
a.cc:18:3: error: 'cout' was not declared in this scope
   18 |   cout << ans << "\n";
      |   ^~~~
a.cc:18:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:18:11: error: 'ans' was not declared in this scope
   18 |   cout << ans << "\n";
      |           ^~~
Language: C++

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

int main() {
  int N,L;
  cin >> N>>L;
  vector<string>vec(N);
  for (int i = 0;i < N;++i) 
    cin>>vec[i];
  sort(vec.begin(),vec.end())
  for (int i = 0;i < N;++i) 
    cout<<vec[i];
  cout<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:30: error: expected ';' before 'for'
   10 |   sort(vec.begin(),vec.end())
      |                              ^
      |                              ;
   11 |   for (int i = 0;i < N;++i)
      |   ~~~                         
a.cc:11:18: error: 'i' was not declared in this scope
   11 |   for (int i = 0;i < N;++i)
      |                  ^
Language: C++

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

int main() {
  int N,L;
  cin >> N>>L;
  vector<string>vec(N);
  for (int i = 0; i < N; ++i) 
    cin>>vec[i];
  sort(vec.begin(),vec.end())
  for (int i = 0; i < N; ++i) 
    cout<<vec[i];
  cout<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:30: error: expected ';' before 'for'
   10 |   sort(vec.begin(),vec.end())
      |                              ^
      |                              ;
   11 |   for (int i = 0; i < N; ++i)
      |   ~~~                         
a.cc:11:19: error: 'i' was not declared in this scope
   11 |   for (int i = 0; i < N; ++i)
      |                   ^
Language: C++

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

int main(){
  int N, L;
  cin >> N >> L;
  int a[60];
  cin >> N >> L;
  for(int i = 0; i < N; i++)cin>>a[i];
  sort(a, a + N);

  string ans;
  for(int i = 0; i < n; i++){
    ans += a[i];
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:22: error: 'n' was not declared in this scope
   14 |   for(int i = 0; i < n; i++){
      |                      ^
Language: Java

#include<iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<stdio.h>
#include<vector>
#define rep(i,n)for(int i=0;i<n;i++)
//printf("%.yf\n",x); xを小数点以下y桁で
using namespace std;
int main() {
    int a, b;
    cin >> a >> b;
    vector<string>data(a);
    rep(i, a) {
        cin >> data[i];
    }
    sort(data.begin(), data.end());
    rep(i, a) {
        cout << data[i];
    }
    cout << endl;
   return 0;
}


Compiler output:
Main.java:1: error: illegal character: '#'
#include<iostream>
^
Main.java:2: error: illegal character: '#'
#include <algorithm>
^
Main.java:3: error: illegal character: '#'
#include <string>
^
Main.java:4: error: illegal character: '#'
#include<math.h>
^
Main.java:5: error: illegal character: '#'
#include<stdio.h>
^
Main.java:6: error: illegal character: '#'
#include<vector>
^
Main.java:7: error: illegal character: '#'
#define rep(i,n)for(int i=0;i<n;i++)
^
Main.java:7: error: class, interface, enum, or record expected
#define rep(i,n)for(int i=0;i<n;i++)
                            ^
Main.java:7: error: class, interface, enum, or record expected
#define rep(i,n)for(int i=0;i<n;i++)
                                ^
Main.java:12: error: not a statement
    cin >> a >> b;
             ^
Main.java:13: error: not a statement
    vector<string>data(a);
                       ^
Main.java:15: error: not a statement
        cin >> data[i];
            ^
Main.java:19: error: not a statement
        cout << data[i];
             ^
Main.java:21: error: not a statement
    cout << endl;
         ^
Main.java:10: error: unnamed classes are a preview feature and are disabled by default.
int main() {
^
  (use --enable-preview to enable unnamed classes)
Main.java:13: error: ';' expected
    vector<string>data(a);
                      ^
Main.java:13: error: ';' expected
    vector<string>data(a);
                        ^
Main.java:14: error: ';' expected
    rep(i, a) {
             ^
Main.java:18: error: ';' expected
    rep(i, a) {
             ^
19 errors
Language: C++

#include<iostream>
#include<string>
#include<vector>
using namespace std;
int main()
{
  // 整数の入力
  uint64_t N, L;
  cin >> N >> L;
  vector<string> s;
  for (uint64_t i = 0; i < L; ++i) {
    cin >> s[i];
  }
  sort(s.begin(), s.end());
  for (uint64_t i = 0; i < L; ++i) {
    cout << s[i];
  }
  cout << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'uint64_t' was not declared in this scope
    8 |   uint64_t N, L;
      |   ^~~~~~~~
a.cc:4:1: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
    3 | #include<vector>
  +++ |+#include <cstdint>
    4 | using namespace std;
a.cc:9:10: error: 'N' was not declared in this scope
    9 |   cin >> N >> L;
      |          ^
a.cc:9:15: error: 'L' was not declared in this scope
    9 |   cin >> N >> L;
      |               ^
a.cc:11:16: error: expected ';' before 'i'
   11 |   for (uint64_t i = 0; i < L; ++i) {
      |                ^~
      |                ;
a.cc:11:24: error: 'i' was not declared in this scope
   11 |   for (uint64_t i = 0; i < L; ++i) {
      |                        ^
a.cc:14:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |   sort(s.begin(), s.end());
      |   ^~~~
      |   short
a.cc:15:16: error: expected ';' before 'i'
   15 |   for (uint64_t i = 0; i < L; ++i) {
      |                ^~
      |                ;
a.cc:15:24: error: 'i' was not declared in this scope
   15 |   for (uint64_t i = 0; i < L; ++i) {
      |                        ^
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <cmath>
using namespace std;
typedef long long unsigned int ll;
 
int main() {
	
  
  int a,b,c,d,i,j,k;
  cin >> a;
  vector<string> s(a);
  
  for(i=0;i<a;i++){
	cin >>s[i];
  }
  sort(s.begin(),s.end());
  
  for(auto it=s.begin();it != s.end();it++){
	cout << s[it] ;
  }
  
  cout <<endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:18: error: no match for 'operator[]' (operand types are 'std::vector<std::__cxx11::basic_string<char> >' and '__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >')
   22 |         cout << s[it] ;
      |                  ^
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:1128:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](size_type) [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >; reference = std::__cxx11::basic_string<char>&; size_type = long unsigned int]'
 1128 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1128:28: note:   no known conversion for argument 1 from '__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >' to 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'}
 1128 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:1147:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >; const_reference = const std::__cxx11::basic_string<char>&; size_type = long unsigned int]'
 1147 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1147:28: note:   no known conversion for argument 1 from '__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >' to 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'}
 1147 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <cmath>
using namespace std;
typedef long long unsigned int ll;
 
int main() {
	
  
  int a,b,c,d,i,j,k;
  cin >> a;
  vector<string> s(a);
  
  for(i=0;i<n;i++){
	cin >>s[i];
  }
  sort(s.begin(),s.end());
  
  for(auto it=s.begin();it != s.end();it++){
	cout << s[i] ;
  }
  
  cout <<endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:13: error: 'n' was not declared in this scope
   16 |   for(i=0;i<n;i++){
      |             ^
Language: Java

#include<iostream>
#include<cstdio>
#include<cstring>
#include <algorithm>

using namespace std;

int main() {
    string arr[102];
    int n,m;
    while(scanf("%d%d",&n,&m) != EOF ) {
        for(int i = 0;i < n;i++) {
            cin>>arr[i];
        }
//        for(int i = 0;i < n;i++) {
//            for(int j  = 0;j < n;j++) {
//                if(arr[i]<arr[j]) {
//                    string str = arr[i];
//                    arr[i] = arr[j];
//                    arr[j] = str;
//                }
//            }
//        }
        sort(arr,arr+n);
        for(int i = 0;i < n;i++) {
            cout<<arr[i];
        }
        cout<<endl;
    }
    return 0;
}

Compiler output:
Main.java:1: error: illegal character: '#'
#include<iostream>
^
Main.java:2: error: illegal character: '#'
#include<cstdio>
^
Main.java:3: error: illegal character: '#'
#include<cstring>
^
Main.java:4: error: illegal character: '#'
#include <algorithm>
^
Main.java:13: error: not a statement
            cin>>arr[i];
               ^
Main.java:26: error: not a statement
            cout<<arr[i];
                ^
Main.java:28: error: not a statement
        cout<<endl;
            ^
Main.java:8: error: unnamed classes are a preview feature and are disabled by default.
int main() {
^
  (use --enable-preview to enable unnamed classes)
Main.java:9: error: ']' expected
    string arr[102];
               ^
Main.java:11: error: illegal start of expression
    while(scanf("%d%d",&n,&m) != EOF ) {
                       ^
Main.java:11: error: illegal start of expression
    while(scanf("%d%d",&n,&m) != EOF ) {
                          ^
11 errors
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<string.h>




typedef struct {
  int num;
  const char *S[110];
} str;

int compare_string(const void *a, const void *b) {
	/*struct str *A = (struct str *)a;
	struct str *B = (struct str *)b;*/
	return strcmp(*(const str.S **)a, *(const str.S **)b);
}
/*int main() {
  struct string[110];
  
  
  
  
  qsort(persons, 3, sizeof(struct Person), compare_person_id);
  printf("%s,%s,%s", persons[0].person_name, persons[1].person_name, persons[2].person_name);
  // 表示結果: "Chris,Bob,Ann"
}
int compare_string(const void *a,const void *b){
	return strcmp(*(const char **)a,*(const char **)b);
}*/



int main(){
	
	int L,N,i;
	scanf("%d",&N);
	scanf("%d",&L);
	
	str string[110];/*=(str*)malloc(sizeof(str)*110);
	string.S=(char*)malloc(sizeof(char)*110);
	/*char *S[110]=(char*)malloc(110);{"xxx","yyy","zzz"};メモリ確保されていれば動く*/
	
	for(i=0;i<N;i++){
			scanf("%s",string[i].S);
	}
	
	
	qsort(string,N,sizeof(str),compare_string);
	
	
	for(i=0;i<N;i++){
		
	printf("%s",string[i].S);
		
	}
	
	
	return 0;
}

Compiler output:
main.c: In function 'compare_string':
main.c:16:34: error: expected ')' before '.' token
   16 |         return strcmp(*(const str.S **)a, *(const str.S **)b);
      |                        ~         ^
      |                                  )
main.c:16:9: error: conversion to non-scalar type requested
   16 |         return strcmp(*(const str.S **)a, *(const str.S **)b);
      |         ^~~~~~
main.c:16:54: error: expected ')' before '.' token
   16 |         return strcmp(*(const str.S **)a, *(const str.S **)b);
      |                                            ~         ^
      |                                                      )
main.c:16:9: error: conversion to non-scalar type requested
   16 |         return strcmp(*(const str.S **)a, *(const str.S **)b);
      |         ^~~~~~
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<string.h>




typedef struct {
  int num;
  const char *S[110];
} str;

int compare_string(const void *a, const void *b) {
	struct str *A = (struct str *)a;
	struct str *B = (struct str *)b;
	return strcmp(*(struct char S **)a, *(struct char S **)b);
}
/*int main() {
  struct string[110];
  
  
  
  
  qsort(persons, 3, sizeof(struct Person), compare_person_id);
  printf("%s,%s,%s", persons[0].person_name, persons[1].person_name, persons[2].person_name);
  // 表示結果: "Chris,Bob,Ann"
}
int compare_string(const void *a,const void *b){
	return strcmp(*(const char **)a,*(const char **)b);
}*/



int main(){
	
	int L,N,i;
	scanf("%d",&N);
	scanf("%d",&L);
	
	str string[110];/*=(str*)malloc(sizeof(str)*110);
	string.S=(char*)malloc(sizeof(char)*110);
	/*char *S[110]=(char*)malloc(110);{"xxx","yyy","zzz"};メモリ確保されていれば動く*/
	
	for(i=0;i<N;i++){
			scanf("%s",string[i].S);
	}
	
	
	qsort(string,N,sizeof(str),compare_string);
	
	
	for(i=0;i<N;i++){
		
	printf("%s",string[i].S);
		
	}
	
	
	return 0;
}

Compiler output:
main.c: In function 'compare_string':
main.c:16:32: error: expected '{' before 'char'
   16 |         return strcmp(*(struct char S **)a, *(struct char S **)b);
      |                                ^~~~
main.c:16:32: error: two or more data types in declaration specifiers
main.c:16:54: error: expected '{' before 'char'
   16 |         return strcmp(*(struct char S **)a, *(struct char S **)b);
      |                                                      ^~~~
main.c:16:54: error: two or more data types in declaration specifiers
Language: C++

#pragma warning(disable: 4786)
#include <iostream>
#include <vector>

using namespace std;

int main()
{
  int N, L;
  cin >> N >> L;
  string s[N];

  for (int i = 0; i < N; i++) cin >> s[i];
  sort(s, s + N);
  for (int i = 0; i < N; i++) cout << s[i];
  cout << "" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |   sort(s, s + N);
      |   ^~~~
      |   short
Language: C++

#pragma warning(disable: 4786)
#include <iostream>
#include <vector>

using namespace std;

int main()
{
  int N, L;
  cin >> N >> L;
  vector<string> str(N);

  for (int i = 0; i < N; i++) cin >> str.at(i);
  sort(str.begin(), str.end() );
  for (int i = 0; i < N; i++) cout << str.at(i);
  cout << "" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |   sort(str.begin(), str.end() );
      |   ^~~~
      |   short
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main()
{
  int N, L;
  cin >> N >> L;
  vector<string> str(N);

  for (int i = 0; i < N; i++) cin >> str.at(i);
  sort(str.begin(), str.end());
  for (int i = 0; i < N; i++) cout << str.at(i);
  cout << "" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(str.begin(), str.end());
      |   ^~~~
      |   short
Language: C++

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

int main(){
  int N,L; cin>>N>>L;
  vector<string> s(n);
  for(int i=0;i<N;i++){
    cin>>s[i];
  }
  sort(s.begin(),s.end());
  for(int i=0;i<N;i++){
    cout<<s[i];
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:20: error: 'n' was not declared in this scope
    9 |   vector<string> s(n);
      |                    ^
Language: C++

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

int main(void) {
  int N, L;
  cin >> N >> L;

  vector<string> ss(N);
  for (int i = 0; i < N ; i++) cin >> ss.at(i);
  sort(ss.begin(), ss.end());

  for (int i = 0; i < N ; i++) cout << s.at(i);
  cout << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:40: error: 's' was not declared in this scope
   12 |   for (int i = 0; i < N ; i++) cout << s.at(i);
      |                                        ^
Language: C++

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

int main() {
  int n, l;
  cin >> n >> l;
  string ans;
  vector<string> a(n);a
  for(int i = 0; i < n; i++) {
    cin >> a[i];
  }
  sort(a.begin(), a.end());
  for(int i = 0; i < n; i++) {
    ans += a[i];
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:24: error: expected ';' before 'for'
   15 |   vector<string> a(n);a
      |                        ^
      |                        ;
   16 |   for(int i = 0; i < n; i++) {
      |   ~~~                   
a.cc:16:18: error: 'i' was not declared in this scope
   16 |   for(int i = 0; i < n; i++) {
      |                  ^
Language: C++

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

/* REPmacro */
#define REP(i,n) for(int i=0,i##_len=(n);i<i##_len;++i)
#define REPR(i,n) for(int i=((int)(n)-1);i>=0;--i)
#define FOR(i,m,n) for(int i=(int)(m);i<(int)(n);++i)

/*alias*/
#define ALL(x) (x).begin(),(x).end()
#define SZ(x) ((int)(x).size())
#define F first
#define S second
#define PB push_back
#define MP make_pair 

#define y0 y3487465
#define y1 y8687969
#define j0 j1347829
#define j1 j234892
#define next asdnext
#define prev asdprev

/*using*/
using ll = long long;
using ull = unsigned long long;
using unsi = unsigned;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using pii = pair<int, int>;
using db = double;
using plex = complex<double>;
using vs = vector<string>;

/*template*/
template<class T>inline bool amax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>inline bool amin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

/* func */

/*struct*/
struct aaa{
    aaa(){
        cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20);
    };
}aaaaaaa;

/* const */
const int INF = 1001001001;
const ll LINF = 1001001001001001001ll;
const int MOD = 1e9 + 7; //10^9
const db EPS = 1e-9;
const int dx[] = {0, 1, 0, -1, 1, -1, 1, -1}, dy[] = {1, 0, -1, 0, 1, -1, -1, 1};

//#define int ll
//#define int long long

signed main()
{
  int n,l;cin >> n >> l;
  vector<string> s(n);
  REP(i,n)
    cin >> s[i];
  
  sort(ALL(s));
  
  REP(i,k)
    cout << s[i];

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:68:9: error: 'k' was not declared in this scope
   68 |   REP(i,k)
      |         ^
a.cc:5:39: note: in definition of macro 'REP'
    5 | #define REP(i,n) for(int i=0,i##_len=(n);i<i##_len;++i)
      |                                       ^
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int count = scanner.nextInt();
    int length = scanner.nextInt();
    
    List<String> strings = new ArrayList<>();
    for (int ix = 0; ix < count; ix++) {
      strings.add(scanner.next());
    }
    
    strings.sort();
    StringBuilder builder = new StringBuilder();
    for (String string : strings) {
      builder.add(string);
    }
    
    System.out.println(builder);
  }
}

Compiler output:
Main.java:14: error: method sort in interface List<E> cannot be applied to given types;
    strings.sort();
           ^
  required: Comparator<? super String>
  found:    no arguments
  reason: actual and formal argument lists differ in length
  where E is a type-variable:
    E extends Object declared in interface List
Main.java:17: error: cannot find symbol
      builder.add(string);
             ^
  symbol:   method add(String)
  location: variable builder of type StringBuilder
2 errors
Language: Java

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;


public class B {
	public static void main(String[] args) {
		
		
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int L = sc.nextInt();
		List<String> inputs = new ArrayList<String>();
		for(int i = 0; i < N; i++) {
			inputs.add(sc.next());
		}
		Collections.sort(inputs);
		String output = String.join("", inputs);
		System.out.println(output);
	}
}

Compiler output:
Main.java:7: error: class B is public, should be declared in a file named B.java
public class B {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
#include <math.h>
using namespace std;
#define cinf(n,x) for(int i=0;i<(n);i++) cin >> x[i];

int main(){
  int N,L ;
  cin >> N >> L ;
  vector<string> S(n) ;
  cinf(N,S) ;
  sort(S.begin() , S.end()) ;
  for(int i=0;i<N;i++)
    cout << S[i] ;
  cout << endl;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:9:20: error: 'n' was not declared in this scope
    9 |   vector<string> S(n) ;
      |                    ^
Language: C++

#include <iostream>
#include <cstring>

using namespace std;

int main()
{
        int StringNum, StringLength, i, j, cmp;
        char s[100][100];

        cin >> StringNum >> StringLength;
        for(i=0; i < StringNum; i++) {
            cin >> s[i];
        }

        for(i=0; i < StringNum-1; i++) {
          for(j=0; j < StringNum-1; j++) {
            cmp = strcmp(s[j], s[j+1]);
            if(cmp > 0) {
              swap(s[j], s[j+1]);
            }
          }
        }

        for(j=0; j < StringNum; j++) {
          cout << s[j];
        }
        cout << endl;

        return 0;
}
~                               

Compiler output:
a.cc:32:2: error: expected class-name at end of input
   32 | ~
      |  ^