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

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

int main() {
  int N;
  string S;
  cin >> N;
  cin >> S;
  
  if (N == 1) {
    string ans = "Yes";
  }
  else if (N%2 == 0) {
    string ans = "No";
    int M = N/2;
    if (S.substr(0,M) == S.substr(M,M)) ans = "Yes";
  }
  else {
    string ans = "No";
    int M = (N-1)/2;
    if (S.substr(0,M) == S.substr(M+1,M)) ans = "Yes";
  }
  
  cout << ans << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

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

int main() {
  int N;
  string S;
  cin >> N;
  cin >> S;
  
  if (N == 1) {
    string ans = "Yes"
  }
  else if (N%2 == 0) {
    string ans = "No";
    int M = N/2;
    if (S.substr(0,M) == S.substr(M,M)) ans = "Yes"
  }
  else {
    string ans = "No";
    int M = (N-1)/2;
    if (S.substr(0,M) == S.substr(M+1,M)) ans = "Yes"
  }
  
  cout << ans << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: expected ',' or ';' before '}' token
   12 |   }
      |   ^
a.cc:16:52: error: expected ';' before '}' token
   16 |     if (S.substr(0,M) == S.substr(M,M)) ans = "Yes"
      |                                                    ^
      |                                                    ;
   17 |   }
      |   ~                                                 
a.cc:21:54: error: expected ';' before '}' token
   21 |     if (S.substr(0,M) == S.substr(M+1,M)) ans = "Yes"
      |                                                      ^
      |                                                      ;
   22 |   }
      |   ~                                                   
a.cc:24:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

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

int main() {
  int N;
  string S;
  cin >> N;
  cin >> S;
  
  if (N == 1) {
    string ans = "Yes"
  }
  else if (N%2 == 0) {
    string ans = "No";
    int M = N/2;
    if (S.subsr(0,M) == S.subsr(M,M)) ans = "Yes"
  }
  else {
    string ans = "No";
    int M = (N-1)/2;
    if (S.subsr(0,M) == S.subsr(M+1,M)) ans = "Yes"
  }
  
  cout << ans << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: expected ',' or ';' before '}' token
   12 |   }
      |   ^
a.cc:16:11: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'subsr'; did you mean 'substr'?
   16 |     if (S.subsr(0,M) == S.subsr(M,M)) ans = "Yes"
      |           ^~~~~
      |           substr
a.cc:16:27: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'subsr'; did you mean 'substr'?
   16 |     if (S.subsr(0,M) == S.subsr(M,M)) ans = "Yes"
      |                           ^~~~~
      |                           substr
a.cc:16:50: error: expected ';' before '}' token
   16 |     if (S.subsr(0,M) == S.subsr(M,M)) ans = "Yes"
      |                                                  ^
      |                                                  ;
   17 |   }
      |   ~                                               
a.cc:21:11: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'subsr'; did you mean 'substr'?
   21 |     if (S.subsr(0,M) == S.subsr(M+1,M)) ans = "Yes"
      |           ^~~~~
      |           substr
a.cc:21:27: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'subsr'; did you mean 'substr'?
   21 |     if (S.subsr(0,M) == S.subsr(M+1,M)) ans = "Yes"
      |                           ^~~~~
      |                           substr
a.cc:21:52: error: expected ';' before '}' token
   21 |     if (S.subsr(0,M) == S.subsr(M+1,M)) ans = "Yes"
      |                                                    ^
      |                                                    ;
   22 |   }
      |   ~                                                 
a.cc:24:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C

            #include<stdio.h>
             
            int main(void){
              int n;
              int s;
              scanf("%d/n",&n);
              char str[n];
              scanf("s",str);
              if((n%2)==0){
                for(i=0;i<(n/2);n++){
                 if(str[i]==str[i+(n/2)]){
                  s=1; 
                 }
                  else{
                    s=0;
                  }
                 
                }
              }
              if(s==0){
                printf("No\n");
              }
              if(s==1){
                printf("Yes\n");
              }
             return 0; 
            }

Compiler output:
main.c: In function 'main':
main.c:10:21: error: 'i' undeclared (first use in this function)
   10 |                 for(i=0;i<(n/2);n++){
      |                     ^
main.c:10:21: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<bits/stdc++.h>
using namespace std;
typedef unsigned long long int lint;
string str;
int n;
int main(){
	int i;
  cin>>n>>str;
  if(n%2==1){ cout<<"NO"; return 0;}
  else{
  	for(i=0;i<n/2;i++) if(str[i]!=str[i+n/2]) {
  		cout << "NO";
  		return 0;
	  };	
  }
	cout<<"YES";
	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<stdio.h>
         
        int main(void){
          int n;
          int s;
          scanf("%d",&n);
          char str[n];
          scanf("s",str);
          if((n%2)==0){
            for(i=0;i<(n/2);n++){
             if(str[i]==str[i+(n/2)]){
              s=1; 
             }
              else{
                s=0;
              }
             
            }
          }
          if(s==0){
            printf("No\n");
          }
          if(s==1){
            printf("Yes\n");
          }
         return 0; 
        }

Compiler output:
main.c: In function 'main':
main.c:10:17: error: 'i' undeclared (first use in this function)
   10 |             for(i=0;i<(n/2);n++){
      |                 ^
main.c:10:17: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main() {
	string s;
	int size;
	cin >> size;
	cin >> s;
	size = size / 2;
	for (int i = 0; i < size; i++) {
		if (s[i] != s[size + i]) {
			cout << "No" << endl;
			return 0;
		}
	}
	cout << "Yes" << endl;
}

Compiler output:
a.cc:2:10: fatal error: String: No such file or directory
    2 | #include <String>
      |          ^~~~~~~~
compilation terminated.
Language: C++

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

int main(){
  string S, T;
  int N, Sho, Amr, hnti;
  
  cin >> N >> S;
  
  Amr = N % 2;
  Sho = N / 2;
  
  if(N == 1||Amr == 1) cout << "No" << endl;
  else if(N > 1){
    for(int i = Sho; i < N; i++){
      T += S[i];
    }
    for(i = 0; i < Sho; i++){
      if(S[i] == T[Sho + i]) hnti++;
    }
    if(hnti == Sho) cout << "Yes" << endl;
  }
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:9: error: 'i' was not declared in this scope
   18 |     for(i = 0; i < Sho; i++){
      |         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int input = 0;
  string str;
  cin >> input >> str;
  int judge = input / 2;
  string top;
  string tale;

  for (int i = 0; i < judge; i++) {
    top += str[i];
  }
  
   for (int i = judge; i < str.length(); i++) {
    tale += str[i];
  }
  
  if (top == tale){
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:24:4: error: expected '}' at end of input
   24 |   }
      |    ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

    #include<stdio.h>
     
    int main(void){
      int n;
      int s;
      scanf("%d",&n);
      char str[n];
      if((n%2)==0){
        for(i=0;i<(n/2);n++){
         if(str[i]==str[i+(n/2)]){
          s=1; 
         }
          else{
            s=0;
          }
         
        }
      }
      if(s==0){
        printf("No\n");
      }
      if(s==1){
        printf("Yes\n");
      }
     return 0; 
    }

Compiler output:
main.c: In function 'main':
main.c:9:13: error: 'i' undeclared (first use in this function)
    9 |         for(i=0;i<(n/2);n++){
      |             ^
main.c:9:13: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main (){

	int x = 0;

	int N;
	scanf("%d",&N);
	char S[N];
	scanf("%s",&S);

	for(int i = 0; i < N/2 ;i++){
		if(S[i] != S[N/2 + i])
			x++;
	}

	if(x == 0)
		pritnf("Yes");
	else
		printf("No");


	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:18:17: error: implicit declaration of function 'pritnf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   18 |                 pritnf("Yes");
      |                 ^~~~~~
      |                 printf
Language: C++

#include<bits/stdc++.h>
#include<iomanip>
#define C char
#define D double
#define F float
#define LL long long
#define ULLI unsigned long long int
#define LLI long long int
#define LLD long long double
#define LD long double
#define S string
#define PI (2.0*acos(0.0))
#define IOS ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define READ 		freopen("input.txt","r",stdin)
#define WRITE  		freopen("output.txt","w",stdout)
using namespace std;

int main()

{
    IOS;
    LL t,count=0;
    cin>>t;
    LL z = t/2;
    char arr[t];
    char xrr[z];
    char yrr[z];
    memset()
    for(int i=0; i<t; i++)
    {
        cin>>arr[i];
    }
        if(t%2==1) cout<<"NO\n";
        else
        {
    for(int i=0; i<z; i++)
    {
        xrr[i] = arr[i];
    }
    LL j=0;
    for(int i=z; i<t; i++)
    {
        yrr[j] = arr[i];
        j++;
    }
    for(int i=0; i<z; i++)
    {
        if(xrr[i]==yrr[i]) count++;
    }
    if(count==z) cout<<"Yes\n";
    else cout<<"No\n";
        }
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:28:11: error: too few arguments to function 'void* memset(void*, int, size_t)'
   28 |     memset()
      |     ~~~~~~^~
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:1:
/usr/include/string.h:61:14: note: declared here
   61 | extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1));
      |              ^~~~~~
a.cc:29:18: error: 'i' was not declared in this scope
   29 |     for(int i=0; i<t; i++)
      |                  ^
Language: C++

#include"stdio.h"
#include"iostream"
#include"string"
#include"cstring"
using namespace std;
int main(void){
	int a;
  	int flg = 0;
    cin >> a;
	string b;
	cin >> b;
	string c = b.substr(a/2,a/2);
	if(b.strcmp(0,a/2,a)==0){
    	flg ==0;
    }else{
    	flg ==1;
    }
	if(flg==0){
    	cout << "No";
    }else{
    	cout << "Yes";
    }
  

}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'strcmp'
   13 |         if(b.strcmp(0,a/2,a)==0){
      |              ^~~~~~
Language: C++

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

int main() {
	string s;
	int size = 0;
	cin >> s;
	size = s.length() / 2;
	for (int i = 0; i < size; i++) {
		if (s[i] != s[size + i]) {
			cout << "No" << endl;
			return 0;
		}
	}
	cout << "Yes" << endl;
}

Compiler output:
a.cc:2:10: fatal error: String: No such file or directory
    2 | #include <String>
      |          ^~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
using namespace std;

int main() { int n,i,j;
            cin>>n;
            char a[n];
            for(i=0;i<n;i++)
              cin>>a[i];
            if(n%2==0)
       for(i=0;i<n/2;i++)
       {   if(a[i]!=a[i+n/2])
          { cout<<"No"<<endl;
           break;
          }
       }
            else
              cout<<"No"<<endl;
         if(i==n/2)
           cout<<"Yes"endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:18: error: unable to find string literal operator 'operator""endl' with 'const char [4]', 'long unsigned int' arguments
   19 |            cout<<"Yes"endl;
      |                  ^~~~~~~~~
Language: C++

#include"stdio.h"
#include"iostream"
#include"string"
using namespace std;
int main(void){
	int a;
  	int flg = 0;
    cin >> a;
	string b;
	cin >> b;
	string c = b.substr(a/2,a/2);
	if(b.strcmp(0,a/2,a)==0){
    	flg ==0;
    }else{
    	flg ==1;
    }
	if(flg==0){
    	cout << "No";
    }else{
    	cout << "Yes";
    }
  

}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:14: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'strcmp'
   12 |         if(b.strcmp(0,a/2,a)==0){
      |              ^~~~~~
Language: C++

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

int main(){
int N;
string s;
cin>>N;
cin>>s;

int n;
n=N;


int i=0;
vector<bool> vec(n);

if(N%2==1){cout<<"No";}

else if{

while(i<n){
vec.at(i)=s.at(i)==s.at(i+n);


}

int b;
while(i<n){
b+=vec.at(i);


}

if(b!=0){cout<<"Yes";}
else {cout<<"No";}


}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:8: error: expected '(' before '{' token
   19 | else if{
      |        ^
      |        (
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int x;
  string y;
  cin >> x;
  cin >> y;
  if(x%2 = 1){
    cout <<"No" << endl;
  }
  else{
    int z = x/2;
    int flag = 0
    for(int i = 0; i < z; i++){
      if(string.at(i) != string.at(i+z)){
        flag = 1
        break;
      }
      else{
      }
    }
    if(flag == 1){
      cout << "No" << endl;
    }
    else{
      cout << "Yes" << endl;
    }
  }
}
      
        
      
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: lvalue required as left operand of assignment
    8 |   if(x%2 = 1){
      |      ~^~
a.cc:14:5: error: expected ',' or ';' before 'for'
   14 |     for(int i = 0; i < z; i++){
      |     ^~~
a.cc:14:20: error: 'i' was not declared in this scope
   14 |     for(int i = 0; i < z; i++){
      |                    ^
Language: C++

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

int main(){
int N;
string s;
cin>>N;
cin>>s;

int n;
n=N;


int i=0;
vector<bool> vec(n);

if(N%2==1){cout<<"No";}

else if{

while(i<n){
vec.at(i)=s.at(i)==s.at(i+n);


}

int b;
while(i<n){
b+=vec.at(i);


}

if(b!=0){cout<<'Yes';}
else {cout<<'No';}


}
}


Compiler output:
a.cc:34:16: warning: multi-character character constant [-Wmultichar]
   34 | if(b!=0){cout<<'Yes';}
      |                ^~~~~
a.cc:35:13: warning: multi-character character constant [-Wmultichar]
   35 | else {cout<<'No';}
      |             ^~~~
a.cc: In function 'int main()':
a.cc:19:8: error: expected '(' before '{' token
   19 | else if{
      |        ^
      |        (
Language: C++

#include"stdio"
#include"iostream"
#include"string"
using namespace std;
int main(void){
	int a;
  	int flg = 0;
    cin >> a;
	string b[a];
	cin >> b;
	string c = b.substr(a/2,a/2)
	if(b.strcmp(0,a/2,a)==0){
    	flg ==0;
    }else{
    	flg ==1;
    }
	if(flg==0){
    	cout << "No";
    }else{
    	cout << "Yes";
    }
  

}

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

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

int main(){
int N;
string s;
cin>>N;
cin>>s;

int n;
n=N;


int i=0;
vector<bool> vec(n);

if(N%2==1){cout<<"No"}

else if{

while(i<n){
vec.at(i)=s.at(i)==s.at(i+n);


}

int b;
while(i<n){
b+=vec.at(i);


}

if(b!=0){cout<<'Yes';}
else {cout<<'No';}


}
}

Compiler output:
a.cc:34:16: warning: multi-character character constant [-Wmultichar]
   34 | if(b!=0){cout<<'Yes';}
      |                ^~~~~
a.cc:35:13: warning: multi-character character constant [-Wmultichar]
   35 | else {cout<<'No';}
      |             ^~~~
a.cc: In function 'int main()':
a.cc:17:22: error: expected ';' before '}' token
   17 | if(N%2==1){cout<<"No"}
      |                      ^
      |                      ;
a.cc:19:8: error: expected '(' before '{' token
   19 | else if{
      |        ^
      |        (
Language: C++

#include <bits/stdc++.h>

#define rep(i, n) for(int i = 0; i < (n); i++)
#define all(a) (a).begin(),(a).end()

using ll = long long;
constexpr ll INF = 10000000000;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; }return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; }return 0; }

using namespace std;

//fixed << setprecision(10)

/////////////////////////////////////////////////////////////////////////////////////////////////////////

int main() {
	int n; cin >> n;a
	string s; cin >> s;

	string s1 = s.substr(0, (n / 2));
	string s2 = s.substr(n / 2, n - 1);

	if (n % 2 == 1) {
		cout << "No" << endl;
	}
	else if (s1 == s2) {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:25: error: 'a' was not declared in this scope
   19 |         int n; cin >> n;a
      |                         ^
a.cc:20:26: error: 's' was not declared in this scope
   20 |         string s; cin >> s;
      |                          ^
Language: C++

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

int main() {

  int N,k=0;
  string S;
  cin>>N>>S;
  
    if(S.size() % 2 != 0 ){
    cout << "No" << endl;
      break;
    }
    for (int i = 0; i < N/2; i++) {
    if(S.at(i) ==S.at(N/2)){
      k++;
      }
  }
  	if(k == N/2){
      cout << "Yes" << endl; 
    }
    else{
        cout << "No" << endl; 
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:7: error: break statement not within loop or switch
   12 |       break;
      |       ^~~~~
Language: C++

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

int main() {

	int n;
	cin >> n;
	string str;
	cin >> str;
	bool ans = false;
	for(int i=0; i<n/2; i++){
		if(str.at(i) != str(n/2+i)){
			ans = true;
			break;
		}
	}
	if(ans || n%2==1){
		cout << "No";
	}else{
		cout << "Yes";
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:36: error: no match for call to '(std::string {aka std::__cxx11::basic_string<char>}) (int)'
   12 |                 if(str.at(i) != str(n/2+i)){
      |                                 ~~~^~~~~~~
Language: C++

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

int main() {

  int N,k=0;
  string S;
  cin>>N>>S;
  
    if(S.size() % 2 != 0 ){
    cout << "No" << i << endl;
      break;
    }
    for (int i = 0; i < N/2; i++) {
    if(S.at(i) ==S.at(N/2)){
      k++;
      }
  }
  	if(k == N/2){
      cout << "No" << endl; 
    }
    else{
        cout << "No" << endl; 
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:21: error: 'i' was not declared in this scope
   11 |     cout << "No" << i << endl;
      |                     ^
a.cc:12:7: error: break statement not within loop or switch
   12 |       break;
      |       ^~~~~
Language: C

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

int main( void ){
    int n,i;
    char s[101];
    scanf("%d", &n);
    scanf("%s", s);
    char s1[51];
    char s2[51];
    if(n%2 == 0){
        for(i = 0; i < (n/2)-1; i++){
            s1[i] = s[i];
            s2[i] = s[(2/n)+i];
        }
    }
    if(strcmp(s1,s2) == 0){
        printf("Yes\n");
    } else {
        prinrf("No\n");
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:9: error: implicit declaration of function 'prinrf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   20 |         prinrf("No\n");
      |         ^~~~~~
      |         printf
Language: Java

import java.util.*;
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    int n = sc.nextInt();
    String s = sc.nextString();
    
    int harfOfN = n / 2;
    String firstOfS = s.substring(0, harfOfN);
    String lastOfS = s.substring(harfOfN + 1 -1);
    
    if (firstOfS.equals(lastOfS)) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
}

Compiler output:
Main.java:7: error: cannot find symbol
    String s = sc.nextString();
                 ^
  symbol:   method nextString()
  location: variable sc of type Scanner
1 error
Language: C++

#include <bits/stdc++.h>
#define _GLIBCXX_DEBUG
#define int int64_t
#define double long double
#define rep(i, N) for(int i=0; i<N; i++)
#define repr(i, N) for(int i=N-1; i>=0; --i)
#define all(v) v.begin(),v.end() 
using namespace std;
//using pr = pair<int, int>;
using tup  = tuple<int, int, int>;
using vec  = vector<int>;
using vvec = vector<vec>;

//プロトタイプ宣言
bool has_divisor(int, int);

//グローバル変数
//const int MAX_N;
//const int MAX_M;
//vvec data(N, vec(M));
//const int INF = ;
//const int mod = ;

//関数：
/* yにxをn回乗じmodで割った余りを返す。
（素数pに対して x**p = x (mod p) が成り立つ。）*/
int mod_pow(int y, int x, int n, int mod) {
	int ans = y;
	rep(i, n) {
		ans *= x;
		ans %= mod;
	}
	return ans;
}

/* ユークリッドの互除法(mx > mn) */
int gcd(int mx, int mn) {
	if(mn == 0) return(mx);
	else gcd(mn, mx%mn);
}

/* 素数判定関数 */
bool is_prime(int n) {
	if (n == 1) return false;
	else if (n == 2) return true;
	else {
		return !has_divisor(n, 2);
	}
}

/* クイック・ソート（返し値：互換数） */
int64_t quicksort(vector<int> &arr, int left, int right) {
	int i, j, p;
	int64_t ans = 0;
	i = left; j = right;
	p = (arr[i]+arr[j]) / 2;
	while(i < j) {
		while(arr[i] < p) i++;
		while(arr[j] > p) j--;
		if (i < j) {
			swap(arr[i++], arr[j--]);
			ans += abs(i-j);
		}
		if(i == j) {
			if(arr[i] < p) i++;
			else if(arr[j] > p) j--;
		}
		if (i >= left+2) ans += quicksort(arr, left, i-1);
		if (j <= right-2) ans += quicksort(arr, j+1, right);
	}
	return ans;
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	int n; cin >> n;
	string s; cin >> s;
	
	int lg = s.size();
	if(n%2 != 0) {
		cout << "No" << endl;
		return 0;
	}
	int slg = n/2;
	bool frag = true;
	for(int i=0; i<slg; i++) {
		if(s[i] != s[slg+i]) {
			frag = false;
			break;
		}
	}
	if(frag) cout << "Yes" << endl;
	else cout << "No" << endl;
	
	return 0;
}

// 以下の関数等は気にしない。
bool has_divisor(int n, int i) {
	//base case 1:
	if (i == n) return false;
	//base case 2:
	if (n % i == 0) return true;
	return has_divisor(n, i+1);
}

//std::string str;
//str = std::to_string(int i);
//bitset<3> s(N);
//int ans = (char)grid - '0';
//int id = lower_bound(all(arr), x) - arr.begin();

/*struct data {
	char *name;
	int age;
	int height;
	double weight;
};*/

/*string ans = w;
string &ref = ans;
rep(i, N) {
	ref[i] = arr[i];
}*/

/*map<int,int> mp;
for(auto p : mp) {
	ct += p.second*(p.second-1); }

map<int,int>::iterator itr;
for(itr = mp.begin(); itr != mp.end(); itr++) {
	ans += itr->second * (itr->second

Compiler output:
a.cc:128:1: error: unterminated comment
  128 | /*map<int,int> mp;
      | ^
a.cc: In function 'int64_t gcd(int64_t, int64_t)':
a.cc:39:17: warning: control reaches end of non-void function [-Wreturn-type]
   39 |         else gcd(mn, mx%mn);
      |              ~~~^~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef unsigned long long int lint;
string str;
int n;
int main(){
	int i;
  cin>>n>>str;
  if(n%2==1){ cout<<"NO"; return 0;}
  else{
  	for(i=0;i<n/2;i++) if(str[i]!=str[i+n/2] break;	
  }
	if(i==n/2) cout<<"YES";
    else cout<<"NO";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:49: error: expected ';' before 'break'
   11 |         for(i=0;i<n/2;i++) if(str[i]!=str[i+n/2] break;
      |                                                 ^~~~~~
      |                                                 ;
a.cc:12:3: error: expected primary-expression before '}' token
   12 |   }
      |   ^
a.cc:11:56: error: expected ')' before '}' token
   11 |         for(i=0;i<n/2;i++) if(str[i]!=str[i+n/2] break;
      |                              ~                         ^
      |                                                        )
   12 |   }
      |   ~                                                     
a.cc:12:3: error: expected primary-expression before '}' token
   12 |   }
      |   ^
Language: C++

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

int main() {
    int N;
    string S;
    int i = N; //文字列の長さ
    int j = r / 2 + 1;
    if(S.substr(0, r / 2); == S.substr(j , i);){
        cout << Yes << endl;
    }
    else if{
        cout << No << endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: 'r' was not declared in this scope
    8 |     int j = r / 2 + 1;
      |             ^
a.cc:9:28: error: expected primary-expression before '==' token
    9 |     if(S.substr(0, r / 2); == S.substr(j , i);){
      |                            ^~
a.cc:9:46: error: expected ')' before ';' token
    9 |     if(S.substr(0, r / 2); == S.substr(j , i);){
      |       ~                                      ^
      |                                              )
a.cc:9:47: error: expected primary-expression before ')' token
    9 |     if(S.substr(0, r / 2); == S.substr(j , i);){
      |                                               ^
a.cc:12:5: error: 'else' without a previous 'if'
   12 |     else if{
      |     ^~~~
a.cc:12:12: error: expected '(' before '{' token
   12 |     else if{
      |            ^
      |            (
Language: C

#include<stdio.h>

int main void(){

	int x = 0;

	int N;
	scanf("%d",&N);
	char S[N];
	scanf("%s",&S);

	for(int i = 0; i < N/2 ;i++){
		if(S[i] != S[N/2 + i])
			x++;
	}

	if(x == 0)
		pritnf("Yes");
	else
		printf("No");


	return 0;
}

Compiler output:
main.c:3:9: error: expected ';' before 'void'
    3 | int main void(){
      |         ^~~~~
      |         ;
main.c:3:15: error: expected identifier or '(' before ')' token
    3 | int main void(){
      |               ^
Language: Java

import java.util.*;
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    int n = sc.nextInt();
    String s = sc.nextInt();
    
    int harfOfN = n / 2;
    String firstOfS = s.substring(0, harfOfN);
    String lastOfS = s.substring(harfOfN + 1 -1);
    
    if (firstOfS.equals(lastOfS)) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
}

Compiler output:
Main.java:7: error: incompatible types: int cannot be converted to String
    String s = sc.nextInt();
                         ^
1 error
Language: C++

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

int main() {
  int n;
  cin >> n;

  string s;
  cin >> s;

  if(n % 2 != 0) return cout << "No";

  if(s.substr(0,(n/2)-1) == s.substr(n/2))  cout << "Yes";
  else cout << "No";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:30: error: cannot convert 'std::basic_ostream<char>' to 'int' in return
   12 |   if(n % 2 != 0) return cout << "No";
      |                         ~~~~~^~~~~~~
      |                              |
      |                              std::basic_ostream<char>
Language: C++

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

int main(){
int N;
string s;
cin>>N;
cin>>s;

int n;
n=N;


int i=0;
vector<bool> vec(n);
while(i<n){
vec.at(i)=s.at(i)==s.at(i+n);


}

int b;
while(i<n){
b+=vec.at(i);


}

if(b!=0){cout<<Yes;}
else {cout<<No;}



}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:16: error: 'Yes' was not declared in this scope
   29 | if(b!=0){cout<<Yes;}
      |                ^~~
a.cc:30:13: error: 'No' was not declared in this scope; did you mean 'N'?
   30 | else {cout<<No;}
      |             ^~
      |             N
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;
  string s;
  cin>>n>>s;
  
  if(n%2==1){
    cout<<"No"<<endl;
  }
  
  else{
    int middle=n/2;
    int c=0;
    
    for(int i=0;i<middle;i++){
      if(s[i]==s[middle+i]){
        c++;}
      else{
        c=middle+1;
      }
    }
      if(c==middle-1){
        cout<<"Yes"<<endl;
      }
      else{
        cout<<"No"<<endl;
      }
    }
  
  


Compiler output:
a.cc: In function 'int main()':
a.cc:30:6: error: expected '}' at end of input
   30 |     }
      |      ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++


#include <bits/stdc++.h>
#include <math.h>
#include <iostream>
#include <stdlib.h>
#define REP(i,n) for(int i=0;i<n;i++)
#define MOD (1000000007)
using namespace std; 

 
int main(){ 
        int N;
        cin >> N;
        string S;
        cin >> S;
        int isSame = 1;
        if(N%2==0){
                for(int i=0;i<half;i++){
                        if(S[i]!=S[i+half]){ isSame = 0; break;}
                }
        } 
        if(N%2==0 && isSame){ 
                cout << "Yes" << endl;
        }
        else{
                cout << "No" << endl;
        }
        return 0;         
}






Compiler output:
a.cc: In function 'int main()':
a.cc:18:31: error: 'half' was not declared in this scope
   18 |                 for(int i=0;i<half;i++){
      |                               ^~~~
Language: Java

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

      int n = sc.nextInt();

      String S = sc.next();
      char[] data = new char[n];
      int count =0;
      if(n==1){
        System.out.println("No");
        System.exit(0);
      }

      for(int i =0;i<n;i++){
         data[i] = S.charAt(i);
      }
      for(int i =0;i<n;i++){
         if(data[i]==data[(n/2)-1]){
           count++;
         }
       }
         if(count==n/2){
           System.out.println("Yes");
         }else{
           System.out.println("No");
         }


Compiler output:
Main.java:28: error: reached end of file while parsing
         }
          ^
1 error
Language: C++

#include<iostream>

using namespace std;

int main(){
    int length;
    string String;

    cin >> length;
    cin >> String;
    
    if(String.length == length){
        if(String.substr(0,(length/2)-1) == String.substr(length/2, length-1))
            cout << "Yes" << endl;
        else cout << "No" << endl;
    }
    

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:15: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   12 |     if(String.length == length){
      |        ~~~~~~~^~~~~~
      |                     ()
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
    char s[110];
    int n;
    int i;
    int true=1;
    scanf("%d",&n);

    scanf("%s",s);
    if(n%2==1){
        printf("No\n");
        return 0;
    }
    for(i=0;i<n/2 && true==1;i++){
        if(s[i]!=s[n/2+i])
            true=0;
    }
    if(true==1)
        printf("Yes\n");
    else
    {
        printf("No\n");
    }
    

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: expected unqualified-id before 'true'
    8 |     int true=1;
      |         ^~~~
a.cc:18:18: error: lvalue required as left operand of assignment
   18 |             true=0;
      |                  ^
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		// 文字列の入力
		String s = sc.next();
		// 出力
      		if ( n % 2 == 0 ) {
              if( s.substring(n/2) == s.substring(0,n/2-1) ) {
				System.out.println("Yes");
	      	  }else {
				System.out.println("No");
        	  }
      		else {
				System.out.println("No");
		    }
	}
}

Compiler output:
Main.java:16: error: 'else' without 'if'
      		else {
      		^
Main.java:20: error: reached end of file while parsing
}
 ^
2 errors
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
    char s[100];
    int n;
    int i;
    int true=1;
    scanf("%d",&n);

    scanf("%s",s);
    if(n%2==1){
        printf("No\n");
        return 0;
    }
    for(i=0;i<n/2 && true==1;i++){
        if(s[i]!=s[n/2+i])
            true=0;
    }
    if(true==1)
        printf("Yes\n");
    else
    {
        printf("No\n");
    }
    

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: expected unqualified-id before 'true'
    8 |     int true=1;
      |         ^~~~
a.cc:18:18: error: lvalue required as left operand of assignment
   18 |             true=0;
      |                  ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
const double PI=3.14159265358979323846;

bool niren(int n; vector<char> a){
  bool x;
for(int i=0;i<n/2;i++){
if(a.at(i)== a.at(i+n/2)) x=true;
else{
x= false;
  break;
}
  
}
  return x;
}

int main(){
int n;
  cin>>n;
  vector<char> a(n);
  rep(i,n) cin>>a.at(i);
  
  bool x= niren(n,a);
  if(n%2==1) cout<<"No";
  else if(x) cout <<"Yes";
  else cout<<"No";
}

Compiler output:
a.cc:7:17: error: expected ')' before ';' token
    7 | bool niren(int n; vector<char> a){
      |           ~     ^
      |                 )
a.cc:7:33: error: expected initializer before ')' token
    7 | bool niren(int n; vector<char> a){
      |                                 ^
a.cc: In function 'int main()':
a.cc:26:16: error: too many arguments to function 'bool niren(int)'
   26 |   bool x= niren(n,a);
      |           ~~~~~^~~~~
a.cc:7:6: note: declared here
    7 | bool niren(int n; vector<char> a){
      |      ^~~~~
Language: C++


    int n;
    string s;
    cin >> n >> s;
    bool flag = false;
    if (n % 2 == 0) {
        for (int i = 0; i < n / 2; i++) {
            if (s.at(i) == s.at(i  + n / 2)) {
                flag = true;
            }
            else if (s.at(i) != s.at(i + n / 2)) {
                flag = false;
                break;
            }
        }
    }
    if (flag) {
          cout << "Yes" << endl;
      }
      else {
          cout << "No" << endl;
      }
    return 0;
}

Compiler output:
a.cc:3:5: error: 'string' does not name a type
    3 |     string s;
      |     ^~~~~~
a.cc:4:5: error: 'cin' does not name a type
    4 |     cin >> n >> s;
      |     ^~~
a.cc:6:5: error: expected unqualified-id before 'if'
    6 |     if (n % 2 == 0) {
      |     ^~
a.cc:17:5: error: expected unqualified-id before 'if'
   17 |     if (flag) {
      |     ^~
a.cc:20:7: error: expected unqualified-id before 'else'
   20 |       else {
      |       ^~~~
a.cc:23:5: error: expected unqualified-id before 'return'
   23 |     return 0;
      |     ^~~~~~
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: Java

import java.util.ArrayList;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
       
        Scanner sc = new Scanner(System.in);
        int hoge = sc.nextInt();
        ArrayList<Character> list = new ArrayList<>();
        String a = sc.next();
        for(int i = 0; i < hoge; i++){
            list.add(a.charAt(i));
        }
        if(hoge == 1){
            System.out.println("No");
        }else if (hoge % 2 != 0){
            System.out.println("No");
        }else{
            for(int i = 0; i < hoge/2; i++){
                if(list.get(i).equals(list.get(hoge/2+i))){
                }else{
                    System.out.println("No");
                    System.exit(1);;
                }
            }
            System.out.println("Yes");
        }      
    }

Compiler output:
Main.java:29: error: reached end of file while parsing
    }
     ^
1 error
Language: C++

#include<bits/stdc++.h>
#include<string.h>
using namespace std;
int main()
{
  int i;
  string s;
  cin>>s;
  int q=0;
  int l=strlen(s);#include<bits/stdc++.h>
#include<string.h>
using namespace std;
int main()
{
  int i;
  char s[100];
  cin>>s;
  int q=0;
  int l=strlen(s);
  l=l/2;
  for(i=0;i<l;i++)
  {
    if(s[i]==s[i+l])
       q++;
       }
    
       
       if(q==l)
       cout<<"Yes"<<endl;
       else 
       cout<<"No"<<endl;
       
       return 0;
       }
       
       
  l=l/2;
  for(i=0;i<l;i++)
  {
    if(s[i]=s[i+l]
       q++;
       }
       if(q==l)
       cout<<"Yes"<<endl;
       else 
       cout<<"No"<<endl;
       
       return 0;
       }
       
       

Compiler output:
a.cc:10:19: error: stray '#' in program
   10 |   int l=strlen(s);#include<bits/stdc++.h>
      |                   ^
a.cc: In function 'int main()':
a.cc:10:16: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
   10 |   int l=strlen(s);#include<bits/stdc++.h>
      |                ^
      |                |
      |                std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:1:
/usr/include/string.h:407:35: note:   initializing argument 1 of 'size_t strlen(const char*)'
  407 | extern size_t strlen (const char *__s)
      |                       ~~~~~~~~~~~~^~~
a.cc:10:20: error: 'include' was not declared in this scope
   10 |   int l=strlen(s);#include<bits/stdc++.h>
      |                    ^~~~~~~
a.cc:10:28: error: 'bits' was not declared in this scope
   10 |   int l=strlen(s);#include<bits/stdc++.h>
      |                            ^~~~
a.cc:10:33: error: 'stdc' was not declared in this scope; did you mean 'std'?
   10 |   int l=strlen(s);#include<bits/stdc++.h>
      |                                 ^~~~
      |                                 std
a.cc:12:1: error: expected primary-expression before 'using'
   12 | using namespace std;
      | ^~~~~
a.cc:13:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   13 | int main()
      |         ^~
a.cc:13:9: note: remove parentheses to default-initialize a variable
   13 | int main()
      |         ^~
      |         --
a.cc:13:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:14:1: error: a function-definition is not allowed here before '{' token
   14 | {
      | ^
a.cc:40:19: error: expected ';' before 'q'
   40 |     if(s[i]=s[i+l]
      |                   ^
      |                   ;
   41 |        q++;
      |        ~           
a.cc:42:8: error: expected primary-expression before '}' token
   42 |        }
      |        ^
a.cc:41:12: error: expected ')' before '}' token
   41 |        q++;
      |            ^
      |            )
   42 |        }
      |        ~    
a.cc:40:7: note: to match this '('
   40 |     if(s[i]=s[i+l]
      |       ^
a.cc:42:8: error: expected primary-expression before '}' token
   42 |        }
      |        ^
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		// 文字列の入力
		String s = sc.next();
		// 出力
      		if ( n % 2 == 0 )
              if( s.substring(n/2) == s.substring(0,n/2-1) ) {
				System.out.println("Yes");
	      	  }else {
				System.out.println("No");
        	  }
      		else
				System.out.println("No");
		    }
	}
}

Compiler output:
Main.java:20: error: class, interface, enum, or record expected
}
^
1 error
Language: C

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <conio.h>
int main()
{
    char s[100],s1[100],s2[100];
    int n,i,j;
    scanf("%d", &n);
    scanf("%s", s);
    for(i=0;i<n/2;i++)
    {
        s1[i]=s[i];
    }
    s1[i]='\0';
    i=0;
    for(j=n/2;j<n;j++)
    {
        s2[i++]=s[j];
    }
    s2[i]='\0';
    if(strcmp(s1,s2)==0)
    {
        printf("Yes\n");
    }
    else
    {
        printf("No\n");
    }
}


Compiler output:
main.c:5:10: fatal error: conio.h: No such file or directory
    5 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>

#ifdef  DEBUG
#include "../common/inc/input.h"
#else
#define debuginput()
#endif

using namespace std;

int main() {
  debuginput();
  int a
  string s;
  string x, y, ans;

  cin >> a >> s;
  x = s.substr(0, a/2);
  y = s.substr(a/2, a/2);
  if ((a & 0x1) == 1 || x != y) {
    ans = "No";
  } else {
    ans = "Yes";
  }
  cout << ans << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:3: error: expected initializer before 'string'
   14 |   string s;
      |   ^~~~~~
a.cc:17:10: error: 'a' was not declared in this scope
   17 |   cin >> a >> s;
      |          ^
a.cc:17:15: error: 's' was not declared in this scope
   17 |   cin >> a >> s;
      |               ^
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <cmath>
#include <queue>
#include <cstdio>
using namespace std;
typedef long long ll;

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(){
    double b,c,d,e,k,l,m,n,o=0,p,q,r,x,y,z,max1=0,ans=0,a1,b1;
    string s,t,u;
    ll a[7][7];
    
    cin>>n>>s;
    
    if(n%2==1)cout<<"No"<<endl;
    else {
    for(ll i=0;i<n/2;i+++){
        if(s[i]!=s[i+n/2])o++;
       
    }
    if(o==0)cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:9: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   26 |     if(n%2==1)cout<<"No"<<endl;
      |        ~^~
      |        | |
      |        | int
      |        double
a.cc:28:26: error: expected primary-expression before ')' token
   28 |     for(ll i=0;i<n/2;i+++){
      |                          ^
Language: C

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <conio.h>
int main()
{
    char s[105],s1[105],s2[105];
    int n,i,j;
    scanf("%d", &n);
    scanf("%s", s);
    for(i=0;i<n/2;i++)
    {
        s1[i]=s[i];
    }
    s1[i]='\0';
    i=0;
    for(j=n/2;j<n;j++)
    {
        s2[i++]=s[j];
    }
    s2[i]='\0';
    if(strcmp(s1,s2)==0)
    {
        printf("Yes\n");
    }
    else
    {
        printf("No\n");
    }
}


Compiler output:
main.c:5:10: fatal error: conio.h: No such file or directory
    5 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	string str;
	cin>>n>>str;
	if(n%!=0)
		cout<<"No"<<endl;
	else
	{
		int half = n / 2;
		bool good = true;
		for(int i=0;i<half;i++)
		{
			if(str[i] == str[i+half])
				continue;
			else
			{
				good = false;
				break;
			}
		}
		if(good)
			cout<<"Yes"<<endl;
		else
			cout<<"No"<<endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: expected primary-expression before '!=' token
    8 |         if(n%!=0)
      |              ^~
Language: C++

#include <bits/stdc++.h>
#include <cstdlib> // abs(x-y)
#include <iomanip> // 出力の桁数指定
#define rep(i, s, n) for (int i = (s); i < (int)(n); i++)

using namespace std;

int main() {
  int n;
  string s;
  cin >> n >> s;
  string ans = "No";
  
    rep (i, 0, n/2) {
      if (s.at(i) != s.at(i+(n/2)) ans i != n/2 -1)
        break;
      if(i == n/2 -1)
        ans = "Yes";
    }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:35: error: expected ')' before 'ans'
   15 |       if (s.at(i) != s.at(i+(n/2)) ans i != n/2 -1)
      |          ~                        ^~~~
      |                                   )
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
  int N = 0;
  string = S;
  cin >> N;
  cin >> S;
  if(N == 1){
    printf("No\n");
    return 0;
  }
  int n_separated = int(N/2);
  string S_separated = S.substr(0, n_separated);
  string S_separated_lated = S.substr(n_separated + 1, N);
  if(S_separated == S_separated_lated){
    printf("Yes\n");
  }else{
    printf("No\n");
  }
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: expected unqualified-id before '=' token
    7 |   string = S;
      |          ^
a.cc:9:10: error: 'S' was not declared in this scope
    9 |   cin >> S;
      |          ^
Language: C

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <conio.h>
int main()
{
    char s[105],s1[105],s2[105];
    int n,i,j;
    scanf("%d", &n);
    scanf("%s", s);
    for(i=0;i<n/2;i++)
    {
        s1[i]=s[i];
    }
    s1[i]='\0';
    i=0;
    for(j=n/2;j<n;j++)
    {
        s2[i++]=s[j];
    }
    s2[i]='\0';
    if(strcmp(s1,s2)==0)
    {
        printf("Yes\n");
    }
    else
    {
        printf("No\n");
    }
    return 0;
}


Compiler output:
main.c:5:10: fatal error: conio.h: No such file or directory
    5 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
#include<algorithm>
#include<string>
#include<cstdlib>
#include<cstring>
#include <cstdio>
#include<cmath>

typedef long long int ll;
typedef unsigned long long int ull;
using namespace std;

int main ()
{
    int n,i;
    scanf("%d ",&n);
    int l=n/2;

    char s[n],cp1[l],cp2[l];
    gets(s);
    if (n&1!=0)cout<<"No"<<endl;
    else
        {

    for (i=0;i<l;i++)
    {
        cp1[i]=s[i];
    }
    for (i=l;i<n;i++)
    {
        cp2[i]=s[i];
    }
    if (strcmp(cp1,cp2)==1) cout<<"Yes"<<endl;
    }

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
   20 |     gets(s);
      |     ^~~~
      |     getw
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, flag=0;
  string s;
  cin >> n >> s;
  if (n%2==0) {
    for (int i=0; i<(s.size())/2; i++) {
      for (int j=(s.size())/2; j<s.size(); j++) {
        flag=0;
        if (s[i]==s[j]) {
          i++;
          flag=1;
        }
      }
    }
    if (flag==1) {
      cout << "Yes" << endl;
    }
    else {
      cout << "No" << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:2: error: expected '}' at end of input
   24 | }
      |  ^
a.cc:3:12: note: to match this '{'
    3 | int main() {
      |            ^
Language: C++

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

int x;
string s;


int main(){
  cin>> x;
  cin>> s;
  if(x%2==1){
    cout << "No\n";
    return 0;
    int pan = s.size();
    int sampe = pan/2;
    for(int i=0;i<sampe;i++){
      if(s[i] != s[i+sampe]){
        cout << "No\n";
        return 0;
        }
      }
    cout << "Yes\n";
  return 0;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:24:4: error: expected '}' at end of input
   24 |   }
      |    ^
a.cc:8:11: note: to match this '{'
    8 | int main(){
      |           ^
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cstdlib>
#include <map>
#include <math.h>
#include <numeric>
using namespace std;
int main(){
  int n;
  cin >> n;
  if(n%2){
    cout << "No" << endl;
    break;
  }else{
  string s;
  cin >> s;
  if(s.substr(0,n/2)==s.substr(n/2,n/2)){
    cout << "Yes" << endl;
  }else{
    cout << "No" << endl;
  }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:5: error: break statement not within loop or switch
   15 |     break;
      |     ^~~~~
Language: Java

#data = list(map(int,input().split()))
N = int(input())
S = input()

n = int(N/2)

A = ""

for i in range(n):
    A += S[i]

#print(A)

if S==A+A:
    print("Yes")
else:
    print("No")


Compiler output:
Main.java:1: error: illegal character: '#'
#data = list(map(int,input().split()))
^
Main.java:1: error: class, interface, enum, or record expected
#data = list(map(int,input().split()))
      ^
Main.java:12: error: illegal character: '#'
#print(A)
^
3 errors