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

#include <string>
#include <vector>


int main(){
    
  vector<string> name(2);
  for(int i = 0; i < 2 ; i++){
    cin >> name[i];
  }
  
  
  vector<int> n(2);
  for(int i = 0; i < 2 ; i++){
    cin >> n[i];
  }

  string s;
  
  if(s == name[0]){
    n[0]--;
  } else {
    n[1]--;
  }
  
  cout << n[0] << " " << n[1] << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'vector' was not declared in this scope
    7 |   vector<string> name(2);
      |   ^~~~~~
a.cc:7:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:7:10: error: 'string' was not declared in this scope
    7 |   vector<string> name(2);
      |          ^~~~~~
a.cc:7:10: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:18: error: 'name' was not declared in this scope; did you mean 'rename'?
    7 |   vector<string> name(2);
      |                  ^~~~
      |                  rename
a.cc:9:5: error: 'cin' was not declared in this scope
    9 |     cin >> name[i];
      |     ^~~
a.cc:13:10: error: expected primary-expression before 'int'
   13 |   vector<int> n(2);
      |          ^~~
a.cc:15:5: error: 'cin' was not declared in this scope
   15 |     cin >> n[i];
      |     ^~~
a.cc:15:12: error: 'n' was not declared in this scope
   15 |     cin >> n[i];
      |            ^
a.cc:18:9: error: expected ';' before 's'
   18 |   string s;
      |         ^~
      |         ;
a.cc:20:6: error: 's' was not declared in this scope
   20 |   if(s == name[0]){
      |      ^
a.cc:21:5: error: 'n' was not declared in this scope
   21 |     n[0]--;
      |     ^
a.cc:23:5: error: 'n' was not declared in this scope
   23 |     n[1]--;
      |     ^
a.cc:26:3: error: 'cout' was not declared in this scope
   26 |   cout << n[0] << " " << n[1] << endl;
      |   ^~~~
a.cc:26:11: error: 'n' was not declared in this scope
   26 |   cout << n[0] << " " << n[1] << endl;
      |           ^
a.cc:26:34: error: 'endl' was not declared in this scope
   26 |   cout << n[0] << " " << n[1] << endl;
      |                                  ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  string s,t;
  cin>>s>>t,u;
  long long a,b;
  cin>>a>>b;
  cin>>u;
  if(u==s)

  {
    a--;
  }
  else
    b--;
  cout<<a<<" "<<b<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: 'u' was not declared in this scope
    6 |   cin>>s>>t,u;
      |             ^
Language: C++

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

int main() {
	int a, b;
  	string s, t, ans;
  	cin >> s >> t;
  	cin >> a >> b;
  	cin >> ans;
  	if(ans == s) {
    	a--
    }else {
    	b--;
    }
  
  	cout << a << b << '\n';
  
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: expected ';' before '}' token
   11 |         a--
      |            ^
      |            ;
   12 |     }else {
      |     ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	string a,b,s;
	cin>>a>>b;
	int n,m;
	cin>>n>>mcin>>s;
	if(s==a) cout<<n-1<<' '<<m<<endl;
	else cout<<n<<' '<<m<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'mcin' was not declared in this scope; did you mean 'main'?
    8 |         cin>>n>>mcin>>s;
      |                 ^~~~
      |                 main
Language: C++

s,t = map(str,input().split())
a,b = map(int,input().split())
u = input()
if u == s:
    a -= 1
elif u == t:
    b -= 1
lst = [str(a),str(b)]
print(" ".join(lst))

Compiler output:
a.cc:1:1: error: 's' does not name a type
    1 | s,t = map(str,input().split())
      | ^
Language: Java

import java.util.*;

class Main{
  public class void main(String[] args){
    Scanner sc=new Scanner(System.in);
    String Red=sc.next();
    String Blue=sc.next();
    int N=sc.nextInt();
    int M=sc.nextInt();
    String Ball=sc.next();
    
    if(Ball.equals(Red)) System.out.print(N-1+" "+M);
    if(Ball.equals(Blue)) System.out.print(N+" "+M-1);
  }
}

Compiler output:
Main.java:4: error: <identifier> expected
  public class void main(String[] args){
              ^
1 error
Language: Java

import java.util.*;

public class A {
    static Scanner sc = new Scanner(System.in);

    public static void main(String[] args) {
        String s = sc.next();
        String t = sc.next();
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());
        String u = sc.next();
        if(u.equals(s)) {
            --a;
        } else {
            --b;
        }
        System.out.printf("%d %d", a, b);
    }
}

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

#include<bits/c++.h>
using namespace std;
long long n,a,b,c;
int main()
{
	string s,t,s1;
	cin>>s>>t;
	cin>>a>>b;
	cin>>s1;
	if(s1==s)
		cout<<a-1<<" "<<b<<endl;
	else if(s1==t)
		cout<<a<<" "<<b-1<<endl;
	else
		cout<<a<<" "<<b<<endl;		
} 

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

fun main(args: Array<String>) {
    abc154a()
}

fun abc154a() {
    val (s, t) = readLine()!!.split(' ')
    val (a, b) = readLine()!!.split(' ').map { it.toInt() }
    val u = readLine()!!

    val answer = if (u == s) "${a - 1} $b" else "$a ${b - 1}"

    return println(answer)
}


Compiler output:
a.cc:1:1: error: 'fun' does not name a type
    1 | fun main(args: Array<String>) {
      | ^~~
a.cc:5:1: error: 'fun' does not name a type
    5 | fun abc154a() {
      | ^~~
Language: Java

import java.util.*;
import java.io.*;
import java.text.*;

public class ABC154A {

	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		String s = sc.next();
		String t = sc.next();
		int a = sc.nextInt();
		int b = sc.nextInt();
		String u = sc.next();
		if(s.equals(u))
			a--;
		if(t.equals(u))
			b--;
		pw.println(a+" "+b);
		pw.close();
	}

	static class Scanner {
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		}

		public Scanner(FileReader r) {
			br = new BufferedReader(r);
		}

		public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

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

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			return br.readLine();
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public int[] nextIntArr(int n) throws IOException {
			int[] arr = new int[n];
			for (int i = 0; i < arr.length; i++)
				arr[i] = nextInt();
			return arr;
		}

		public boolean ready() throws IOException {
			return br.ready();
		}

	}
}


Compiler output:
Main.java:5: error: class ABC154A is public, should be declared in a file named ABC154A.java
public class ABC154A {
       ^
1 error
Language: C++

#include<iostream>
using namespace std;
int main(){
	map<string,int> mp;
  	string a,b;
  cin>>a>>b;
  int c,d;
  cin>>c>>d;
  mp[a]=c;
  mp[b]=d;
  string u;
  cin>>u;
  mp[u]--;
  cout<<mp[a]<<" "<<mp[b]<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: 'map' was not declared in this scope
    4 |         map<string,int> mp;
      |         ^~~
a.cc:2:1: note: 'std::map' is defined in header '<map>'; this is probably fixable by adding '#include <map>'
    1 | #include<iostream>
  +++ |+#include <map>
    2 | using namespace std;
a.cc:4:19: error: expected primary-expression before ',' token
    4 |         map<string,int> mp;
      |                   ^
a.cc:4:20: error: expected primary-expression before 'int'
    4 |         map<string,int> mp;
      |                    ^~~
a.cc:9:3: error: 'mp' was not declared in this scope
    9 |   mp[a]=c;
      |   ^~
Language: C++

/*
 * author :Sadik Hassan
 *
*/
#include "bits/stdc++.h"
using namespace std;
#define ll            long long
#define nl            "\n"
#define PB            push_back
#define fi            first
#define se            second
#define _SAD()        ios::sync_with_stdio(0),cin.tie(0), cout.tie(0);
#define rep(i,n)      for(int i=0;i<n;i++)
#define repn(i,n)     for(int i=1;i<=n;i++)
#define rrep(i,n)     for(int i=n-1;i>=0;i--)
#define SZ(s)         s.size()
#define SRT(x,y)      sort(x,x+y)
#define REV(a,b)      reverse(a,a+b)
#define VSRT(x)       sort(x.begin(),x.end())
#define VREV(x)       reverse(x.begin(),x.end())
/*---------------------------------------------------------------------*/
const int N = 2e5+10;
const int INF = (int)1e9+5;

int main()
{
    _SAD()
    string s,k;
    cin>>s>>k;
    int a,b;
    string aa;
    cin a>>b>>aa;
    if(aa==s)
    {
        cout<<a-1<<" "<<b<<nl;
    }
    else
    {
        cout<<a<<" "<<b-1<<nl;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:8: error: expected ';' before 'a'
   32 |     cin a>>b>>aa;
      |        ^~
      |        ;
Language: C++

#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define E "\n"

using namespace std;
const long long MOD = (long long)1e9 + 7;

int a, b;
string s, t, u;

int main()
{
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> s >> t >> a >> b >> u;
    if (s == u) a--;
    eles b--;
    cout << a << " " << b << E;
    //system("pause");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'eles' was not declared in this scope
   19 |     eles b--;
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
#include <vector>
typedef long long int lli;
using namespace std;
#define p 1000000007
#define rep(i,n) for(i=0;i<n;++i)


int main() 
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll a,b;
    string s,t;
    cin >> s >> t ;
    cin >> a >> b ;
    cin >> u ;
    if(u==s) cout << a-1 << " " << b ;
    else cout << a << " "  << b-1 ;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'll' was not declared in this scope; did you mean 'lli'?
   13 |     ll a,b;
      |     ^~
      |     lli
a.cc:16:12: error: 'a' was not declared in this scope
   16 |     cin >> a >> b ;
      |            ^
a.cc:16:17: error: 'b' was not declared in this scope
   16 |     cin >> a >> b ;
      |                 ^
a.cc:17:12: error: 'u' was not declared in this scope
   17 |     cin >> u ;
      |            ^
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
#include<algorithm>
#include<cstdlib>
#include<cmath>
#include<vector>
#include<utility>
#include<queue>
#include<stack>
#include<set>
#include<map>
#include<unordered_set>
#include<unordered_map>
#include<bitset>
using namespace std;
#define INF 1000000007
#define LINF 100000000000000007
#define MOD 1000000007
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define repb(i, n) for (int i = n - 1; i >= 0; i--)
#define MODE 1
#ifdef MODE
#define DEB(X) cout<< #X <<": "<<X<<" ";
#define ARDEB(i,X) cout<< #X <<"["<<i<<"]: "<<X[i]<<" ";
#define END cout<<endl;
#else
#define DEB(X) {}
#define ARDEB(i,X) {}
#define END {}
#endif
typedef long long ll;
typedef pair<int,int> P;
struct edge{int to,cost;};
int ceil2(int a,int b){if(a%b){return a/b+1;}else{return a/b;}}
using namespace std;
 
int main(void){
    int n,m;
    string s,t,r;
    cin>>s>>t;
    cin>>n>>m>>r;
    if(s==r)n--;
    if(t==r)m--;
    cout<<n<<" "<<m<<endl;
   
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: Java

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
	    // write your code here
        Scanner sc = new Scanner(System.in);

       String s = sc.next();
       String t = sc.next();
       int a = sc.nextInt();
       int b = sc.nextInt();
       if (sc.next().equals(s)) {
           a--;
       } else {
           b--;
       }


        System.out.println(a + " " + b);
    }
}import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
	    // write your code here
        Scanner sc = new Scanner(System.in);

       String s = sc.next();
       String t = sc.next();
       int a = sc.nextInt();
       int b = sc.nextInt();
       if (sc.next().equals(s)) {
           a--;
       } else {
           b--;
       }


        System.out.println(a + " " + b);
    }
}

Compiler output:
Main.java:22: error: class, interface, enum, or record expected
}import java.util.Scanner;
 ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main () {
  string S, T, U
  int A, B;
  cin >> S >> T >> A >> B >> U;
  if(S == U)A--;
  else B--;
  cout << A << ' ' << B << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: expected initializer before 'int'
    5 |   int A, B;
      |   ^~~
a.cc:6:20: error: 'A' was not declared in this scope
    6 |   cin >> S >> T >> A >> B >> U;
      |                    ^
a.cc:6:25: error: 'B' was not declared in this scope
    6 |   cin >> S >> T >> A >> B >> U;
      |                         ^
a.cc:6:30: error: 'U' was not declared in this scope
    6 |   cin >> S >> T >> A >> B >> U;
      |                              ^
Language: Java

import hiro116s.lib.io.scanner.FastScanner;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.PrintWriter;

public class Main {
    InputStream is;

    int __t__ = 1;
    int __f__ = 0;
    int __FILE_DEBUG_FLAG__ = __f__;
    String __DEBUG_FILE_NAME__ = "src/E2";

    FastScanner in;
    PrintWriter out;

    public void solve() {
        String s = in.next(), t = in.next();
        int a = in.nextInt(), b = in.nextInt();
        String u = in.next();
        if (u.equals(s)) {
            System.out.println((a - 1) + " " + b);
        } else {
            System.out.println(a + " " + (b - 1));
        }
    }

    public void run() {
        if (__FILE_DEBUG_FLAG__ == __t__) {
            try {
                is = new FileInputStream(__DEBUG_FILE_NAME__);
            } catch (FileNotFoundException e) {
                // TODO 自動生成された catch ブロック
                e.printStackTrace();
            }
            System.out.println("FILE_INPUT!");
        } else {
            is = System.in;
        }
        in = new FastScanner(is);
        out = new PrintWriter(System.out);

        solve();
    }

    public static void main(final String[] args) {
        new Main().run();
    }

}


Compiler output:
Main.java:1: error: package hiro116s.lib.io.scanner does not exist
import hiro116s.lib.io.scanner.FastScanner;
                              ^
Main.java:16: error: cannot find symbol
    FastScanner in;
    ^
  symbol:   class FastScanner
  location: class Main
Main.java:42: error: cannot find symbol
        in = new FastScanner(is);
                 ^
  symbol:   class FastScanner
  location: class Main
3 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
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;}
const long long INFLL = 1LL<<60;
const int INF = 1<<28;
const long long MOD =1000000000+7;
void solve(int a){cout<<( a?"Yes":"No")<<endl;}


int main(){
	string s,t,u;
	int a,b
	cin >>s >>t;
	cin >>a>>b;
	cin >>u;
	if(u==s){
		a--;
	}else if(u==t){
		b--;
	}
	cout<< a<<b<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: expected initializer before 'cin'
   14 |         cin >>s >>t;
      |         ^~~
a.cc:15:18: error: 'b' was not declared in this scope
   15 |         cin >>a>>b;
      |                  ^
Language: C++

#include"bits/stdc++.h"
#include<boost/multi_array.hpp>
#include<boost/optional.hpp>
#include<boost/range/irange.hpp>
#include<boost/range/algorithm.hpp>
#include<boost/range/adaptors.hpp>
using namespace std;
namespace adaptor = boost::adaptors;

#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define rep3(i,m,n) for(int (i)=m;(i)<=(n);(i)++)
#define rep3rev(i,m,n) for(int (i)=m;(i)>=(n);(i)--)
#define all(a) (a.begin()),(a.end())
#define rall(a) (a.rbegin()),(a.rend())
#define fi first
#define se second

typedef long long ll;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef pair<int, int> pii;

void Main()
{
	strin s, t, u;
  	int a, b;
  	cin >> s >> t >> a >> b >> u;
  	if(u==s){
    	cout << a-1 << " " << b << endl;
    }
  	else if (u==t){
    	cout << a << " " << b-1 << endl;
  	}
	return;
}

int main()
{
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	cout << fixed << setprecision(15);
	Main();
	return 0;
}

Compiler output:
a.cc:2:9: fatal error: boost/multi_array.hpp: No such file or directory
    2 | #include<boost/multi_array.hpp>
      |         ^~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

map<string, int> mp;

int main() {
  	string s, t, u;
  	cin >> s >> t;
  	cin >> a >> b;
  	mp[s] = a;
  	mp[t] = b;
  	cin >> u;
  	mp[u]--;
  	cout << mp[s] << " " << mp[t] << "\n";
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:9:16: error: 'a' was not declared in this scope
    9 |         cin >> a >> b;
      |                ^
a.cc:9:21: error: 'b' was not declared in this scope
    9 |         cin >> a >> b;
      |                     ^
Language: C++

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

ll gcd(ll a, ll b){
  if(b == 0){
    return a;
  }
  else{
    return gcd(b,(a%b));
  }
}
ll lcm(ll a,ll b){
  return a/gcd(a,b)*b;
}

int main(){
  string a,b;
  cin>>a>>b;
  int c,d;
  cin>>c>>d;
  string e;
  cin>>e;
  if(a==e){
    c--;
  }
  if(b===e){
    d--;
  }
  cout<<c<<" "<<d;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:9: error: expected primary-expression before '=' token
   27 |   if(b===e){
      |         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
	string s;
	cin >> s;
	for(int i=0;i<s.size();i++){
     s.at(i) = "x";
    }
	cout << s << endl;
 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    8 |      s.at(i) = "x";
      |                ^~~
      |                |
      |                const char*
Language: C++

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

int main(){
	string s;
	cin >> s;
	for(int i=0;i<s.size();i++){
     s.at(i) == "x";
    }
	cout << s << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    8 |      s.at(i) == "x";
      |      ~~~~~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
 
using namespace std;
 
using ll = long long;
#define all(v) (v).begin(), (v).end()
#define rep(i,n) for(ll i=0;i<n;i++)
#define reps(i,n) for(ll i=0;i<=n;i++)
 
 
ll MOD = 1000000007;
const long long L_INF = 1LL << 60;
const int INF = 2147483647; // 2^31-1
const double PI = acos(-1);
 
const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
 
int main(){
    string S;
    cin >> S;
    
    for(int i=0;i<S.size();i++){
        S[i] = "x";
    }

    cout << S << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:16: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   24 |         S[i] = "x";
      |                ^~~
      |                |
      |                const char*
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string n;
  cin>>n;
  fot (int i=0;i<n.size(),i++){
    n.at(i)='x';
  }
  cout<<n<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: expected primary-expression before 'int'
    6 |   fot (int i=0;i<n.size(),i++){
      |        ^~~
a.cc:6:16: error: 'i' was not declared in this scope
    6 |   fot (int i=0;i<n.size(),i++){
      |                ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string n;
  cin>>n;
  fot (int i=0;i<n.size(),i++){
    n.at(i)='x';
  }
  cout<<n<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: expected primary-expression before 'int'
    6 |   fot (int i=0;i<n.size(),i++){
      |        ^~~
a.cc:6:16: error: 'i' was not declared in this scope
    6 |   fot (int i=0;i<n.size(),i++){
      |                ^
Language: C++

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#pragma GCC optimize("Ofast")
//*********************************************DO IT NOW****************************************************************
#include<bits/stdc++.h> 
#include<random>
#define int long long   
#define pp pair<int,int> 
#define ss second 
#define ff first 
#define pb push_back
#define mod 1000000007
#define pi 3.14159265359
#define mk(arr,n,type)  type *arr=new type[n];
#define sl s1.length();
#define yes cout<< "YES"<<endl
#define no  cout<< "NO"<<endl
#define all(v) (v).begin(),(v).end()
#define s(v)   sort(v,v+n)
#define  mt mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define read(a,n) for(int i=0;i<n;i++)cin>>a[i]
#define print(a,n) for(int i=0;i<n;i++)cout<<a[i]<<" "
#define for1(i,a,n)  for(int i=0;i<n;i++)
#define rep(i, c) for(int i = 0; i < (int)c; i++)
using namespace std;
//**********************************************DO IT NOW***************************************************************
void fastio()
{  
  #ifndef ONLINE_JUDGE
  freopen("INPUT.txt","r",stdin);
  freopen("OUTPUT.txt","w",stdout); 
  #endif
  ios_base :: sync_with_stdio(false); 
  cin.tie(NULL) ; 
  cout.tie(NULL);
}
int dp[101][1001],ans1=1e9,dp1[1000001];
int num[10];
int a[1000000];
signed main()
{   
    fastio();
    int t=1;
  // cin>>t;
    while(t--)
    {    
       string s1;
       cin>>s1;
       for(int i=0;i<s1.length();i++)
       cout<<x;
       
    }
}
    
// 🍪 🍪 🍪


Compiler output:
a.cc: In function 'int main()':
a.cc:50:14: error: 'x' was not declared in this scope
   50 |        cout<<x;
      |              ^
Language: C++

#include<iostream>
#include<stdio.h>
using namespace std;
using ll=long long;
#include<algorithm>
#include<set>
#include<vector>
#define rep(i,n) for(int i=0;i<(n);i++)
using P=pair<int,int>;
const int mod=1000000007;

int main(){
char s[101];
cin>>s;
rep(i,s.size()){
  s[i]='x';
}
cout<<s<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: request for member 'size' in 's', which is of non-class type 'char [101]'
   15 | rep(i,s.size()){
      |         ^~~~
a.cc:8:33: note: in definition of macro 'rep'
    8 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                                 ^
Language: C++

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

int main(){
  string s;
  cin >>s;
  char x;
  for(int i=0;i<s.size();i++) cout << x<<endl;
}


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

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

int main(){
  string s;
  cin >>s;
  for(int i=0;i<s.size();i++) cout << x<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:39: error: 'x' was not declared in this scope
    7 |   for(int i=0;i<s.size();i++) cout << x<<endl;
      |                                       ^
Language: C++

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

int main(){
  string s;
  cin >>s;
  for(int i=0;i<s.size();i++) cout << x<<endl;
}


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

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

int main(){
  string s;
  cin >>s;
  for(int i=0;i<s.size();i++) cout << x<<endl;
}

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

#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main() {
  string s;
  cin >> s;
  rep(i,size.s()){
    cout << 'x';
  }
  cout << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: overloaded function with no contextual type information
    9 |   rep(i,size.s()){
      |              ^
a.cc:2:38: note: in definition of macro 'rep'
    2 | #define rep(i,n) for(int i = 0; i < (n); i++)
      |                                      ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main() {
  string s;
  cin >> s;
  rep(i,length.s()){
    cout << 'x';
  }
  cout << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'length' was not declared in this scope
    9 |   rep(i,length.s()){
      |         ^~~~~~
a.cc:2:38: note: in definition of macro 'rep'
    2 | #define rep(i,n) for(int i = 0; i < (n); i++)
      |                                      ^
Language: C++

    #include <bits/stdc++.h>
     
    using namespace std;
    const long long INF = 1LL <<60;  
     
    long long gcn(long long x,long long y){
      if(x%y==0){
        return y;
      }
      else{
        return gcn(y,x%y);
      }
    }
     
    int main(void){
      long long tmp;
      long long n,k;
      long long i,j;
      sting x;
      
      
      cin>>x;
      for(i=0;i<x.length();i++){
        cout<<"x";
      }
            
      cout<<endl;
      return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:19:7: error: 'sting' was not declared in this scope
   19 |       sting x;
      |       ^~~~~
a.cc:22:12: error: 'x' was not declared in this scope
   22 |       cin>>x;
      |            ^
Language: C++

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


int main(){
    string s;
    cin >> s;
    for (int i=0; i<int s.size(); i++){
          s[i]='x'
        
    }
    cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:21: error: expected primary-expression before 'int'
    8 |     for (int i=0; i<int s.size(); i++){
      |                     ^~~
a.cc:8:21: error: expected ';' before 'int'
    8 |     for (int i=0; i<int s.size(); i++){
      |                     ^~~
      |                     ;
a.cc:8:21: error: expected primary-expression before 'int'
    8 |     for (int i=0; i<int s.size(); i++){
      |                     ^~~
a.cc:8:21: error: expected ')' before 'int'
    8 |     for (int i=0; i<int s.size(); i++){
      |         ~           ^~~
      |                     )
a.cc:8:26: error: expected initializer before '.' token
    8 |     for (int i=0; i<int s.size(); i++){
      |                          ^
a.cc:8:35: error: 'i' was not declared in this scope
    8 |     for (int i=0; i<int s.size(); i++){
      |                                   ^
Language: C++

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


int main(){
    string s;
    cin >> s;
    for (int i=0; i<s.size(); i++){
        if(s[i]!="x") s[i]=="x";
    }
    cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |         if(s[i]!="x") s[i]=="x";
a.cc:9:27: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |         if(s[i]!="x") s[i]=="x";
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
int main(){
  string N;
  cin>>N;
  ll a=N.size();
  for(ll i=0;i<a;i++)
    cout<<x;
  cout<<endl;
}

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

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

int main(){
	string s;
	cin>>s;
	for(int i=0; i<s.length(); i++) cout<<x;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:47: error: 'x' was not declared in this scope
    7 |         for(int i=0; i<s.length(); i++) cout<<x;
      |                                               ^
Language: Java

import java.util.*;

class Main{
  public static void main(String[] args){
	Scanner sc = new Scanner(System.in);
    
    String abc = sc.next();
    for(int i = 0; i < abc.length; i++){
      System.out.print("x");
    }
    
  }
}

Compiler output:
Main.java:8: error: cannot find symbol
    for(int i = 0; i < abc.length; i++){
                          ^
  symbol:   variable length
  location: variable abc of type String
1 error
Language: C++

#include <iostream>
#include <string>

int main()
{
  std::string S;
  std::cin >> S;
  for (int i=0; i<S.length; i++) std::cout << "x";
  std::cout << std::endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:21: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
    8 |   for (int i=0; i<S.length; i++) std::cout << "x";
      |                   ~~^~~~~~
      |                           ()
Language: C++

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

int main(){
  strign s;
  cin >> s;
  for(int i=0;i<s.size();i++){
    cout << "x" ;
  }
  cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'strign' was not declared in this scope; did you mean 'strspn'?
    5 |   strign s;
      |   ^~~~~~
      |   strspn
a.cc:6:10: error: 's' was not declared in this scope
    6 |   cin >> s;
      |          ^
Language: C++

/*
      author  : nishi5451
      created : 15.08.2020 13:54:38
*/

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<n; i++)
typedef long long ll;


int main(){
    string s;
    cin >> s;
    rep(i,s.size()){
        cout << x;
    }
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:17: error: 'x' was not declared in this scope
   16 |         cout << x;
      |                 ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin>>s;
  for(int i=0;i<s.size();i++){
    s.at(i)="x";
  }
  cout<<s<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    7 |     s.at(i)="x";
      |             ^~~
      |             |
      |             const char*
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin>>s;
  for(int i=0;i<s.size();i++){
    s.at(i)=`x`;
  }
  cout<<s<<endl;
}


Compiler output:
a.cc:7:13: error: stray '`' in program
    7 |     s.at(i)=`x`;
      |             ^
a.cc:7:15: error: stray '`' in program
    7 |     s.at(i)=`x`;
      |               ^
a.cc: In function 'int main()':
a.cc:7:14: error: 'x' was not declared in this scope
    7 |     s.at(i)=`x`;
      |              ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin>>s;
  for(int =0;i<s.size();i++){
    s.at(i)=`x`;
  }
  cout<<s<<endl;
}

Compiler output:
a.cc:7:13: error: stray '`' in program
    7 |     s.at(i)=`x`;
      |             ^
a.cc:7:15: error: stray '`' in program
    7 |     s.at(i)=`x`;
      |               ^
a.cc: In function 'int main()':
a.cc:6:11: error: expected unqualified-id before '=' token
    6 |   for(int =0;i<s.size();i++){
      |           ^
a.cc:6:10: error: expected ';' before '=' token
    6 |   for(int =0;i<s.size();i++){
      |          ^~
      |          ;
a.cc:6:11: error: expected primary-expression before '=' token
    6 |   for(int =0;i<s.size();i++){
      |           ^
a.cc:6:14: error: 'i' was not declared in this scope
    6 |   for(int =0;i<s.size();i++){
      |              ^
a.cc:6:24: error: expected ')' before ';' token
    6 |   for(int =0;i<s.size();i++){
      |      ~                 ^
      |                        )
a.cc:6:25: error: 'i' was not declared in this scope
    6 |   for(int =0;i<s.size();i++){
      |                         ^
Language: C

#include<stdio.h>
int main(){char a[110];i=0;
scanf("%s",a);while(a[i]!='\0'){puts("x");i++;}}


Compiler output:
main.c: In function 'main':
main.c:2:24: error: 'i' undeclared (first use in this function)
    2 | int main(){char a[110];i=0;
      |                        ^
main.c:2:24: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){char a[110];
scanf("%s",a);while(a[i]!='\0'){puts("x");}}

Compiler output:
main.c: In function 'main':
main.c:3:23: error: 'i' undeclared (first use in this function)
    3 | scanf("%s",a);while(a[i]!='\0'){puts("x");}}
      |                       ^
main.c:3:23: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin>>s;
  for(int i=0;i<s.length();i++){
    cout<<x;
    }
  cout<<endl;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: 'x' was not declared in this scope
    7 |     cout<<x;
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin >> s;
  for(int i=0;i<s.size();i++){
    s[i]="x";
    cout << s[i] ;
  }
  cout << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    7 |     s[i]="x";
      |          ^~~
      |          |
      |          const char*
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin >> s;
  for(int i=0;i<s.size();i+++){
    s[i]="x";
    cout << s[i] ;
  }
  cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:30: error: expected primary-expression before ')' token
    6 |   for(int i=0;i<s.size();i+++){
      |                              ^
a.cc:7:10: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    7 |     s[i]="x";
      |          ^~~
      |          |
      |          const char*
Language: C

#include<stdio.h>

int main(){
   char s[100];
   scanf("%s", s);

   for(i=0; s[i] != 0; i++){
      s[i] = 'x';
   }

   printf("%s", s);

   return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:8: error: 'i' undeclared (first use in this function)
    7 |    for(i=0; s[i] != 0; i++){
      |        ^
main.c:7:8: note: each undeclared identifier is reported only once for each function it appears in
Language: Java

#include<stdio.h>
int main(){
   char S[100];
   scanf("%s",S);
   for(int i=0;S[i]!='\0';i++){
      S[i]='x';
      printf("%c",S[i]);
   }
   printf("\n");
   return 0;
}


Compiler output:
Main.java:1: error: illegal character: '#'
#include<stdio.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include<stdio.h>
        ^
Main.java:4: error: class, interface, enum, or record expected
   scanf("%s",S);
   ^
Main.java:5: error: class, interface, enum, or record expected
   for(int i=0;S[i]!='\0';i++){
   ^
Main.java:5: error: class, interface, enum, or record expected
   for(int i=0;S[i]!='\0';i++){
               ^
Main.java:5: error: class, interface, enum, or record expected
   for(int i=0;S[i]!='\0';i++){
                          ^
Main.java:7: error: class, interface, enum, or record expected
      printf("%c",S[i]);
      ^
Main.java:8: error: class, interface, enum, or record expected
   }
   ^
Main.java:10: error: class, interface, enum, or record expected
   return 0;
   ^
Main.java:11: error: class, interface, enum, or record expected
}
^
10 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,a) for(i = 0 ; i < a ; i++)
#define whln(t) while(t--)
#define whlp(t) while(t++)
ll i=0,j=0;


int main(void){
	#ifndef ONLINE_JUDGE
    // for getting input from input.txt
    freopen("input.txt", "r", stdin);
    // for writing output to output.txt
    freopen("output.txt", "w", stdout);
	#endif
	 // int t ;
	 // cin>>t;
	 // whln(t){
  	string a ;
  	cin>>a;

  	rep(i,a.length())
  		cout<<x;
  	
}
//   *****  *******   !
//   *		     *    !
//   ***       *      !
//   *       *        !
//   *****  *******   !

Compiler output:
a.cc: In function 'int main()':
a.cc:24:23: error: 'x' was not declared in this scope
   24 |                 cout<<x;
      |                       ^
Language: Java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next;
        
        for(int i = 0; i < S.length(); i++){
            System.out.println("x");
        }
	}
}

Compiler output:
Main.java:7: error: cannot find symbol
        String S = scanner.next;
                          ^
  symbol:   variable next
  location: variable scanner of type Scanner
1 error
Language: Java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);

        String[] S = scanner.next[100];
        
        for(int i = 0; i < S.length; i++){
            S[i] = "x";
        }

        System.out.println(S);
	}
}

Compiler output:
Main.java:7: error: cannot find symbol
        String[] S = scanner.next[100];
                            ^
  symbol:   variable next
  location: variable scanner of type Scanner
1 error
Language: Java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);

        String[] S = scanner.next[];
        
        for(int i = 0; i < S.length; i++){
            S[i] = "x";
        }

        System.out.println(S);
	}
}

Compiler output:
Main.java:7: error: '.class' expected
        String[] S = scanner.next[];
                                   ^
1 error
Language: Java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);

        String[] S = scanner.next();
        
        for(int i = 0; i < S.length; i++){
            S[i] = "x";
        }

        System.out.println(S);
	}
}

Compiler output:
Main.java:7: error: incompatible types: String cannot be converted to String[]
        String[] S = scanner.next();
                                 ^
1 error
Language: Java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);

        String[] S = scanner.next();
        
        for(int i = 0; i < S.length(); i++){
            S[i] = "x";
        }

        System.out.println(S);
	}
}

Compiler output:
Main.java:7: error: incompatible types: String cannot be converted to String[]
        String[] S = scanner.next();
                                 ^
Main.java:9: error: cannot find symbol
        for(int i = 0; i < S.length(); i++){
                            ^
  symbol:   method length()
  location: variable S of type String[]
2 errors
Language: Java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();
        String S2 = S.replaceALL("[a-z]+", "x");

        System.out.println("S2");
	}
}

Compiler output:
Main.java:8: error: cannot find symbol
        String S2 = S.replaceALL("[a-z]+", "x");
                     ^
  symbol:   method replaceALL(String,String)
  location: variable S of type String
1 error
Language: Java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();
        String S2 = S.replaceALL("[a-z]+", "x")

        System.out.println("S2")
	}
}

Compiler output:
Main.java:8: error: ';' expected
        String S2 = S.replaceALL("[a-z]+", "x")
                                               ^
Main.java:10: error: ';' expected
        System.out.println("S2")
                                ^
2 errors
Language: C++

#include "bits/stdc++.h"

#define rep(i,n) for(int i = 0;i<n;i++)
#define vv(Type, n,m,d)vector<vector<Type>> vv(n, vector<Type>(m, d));

using namespace std;
using ll = long long;

const ll mod = 1e9 + 7;




int main(void) {

	ios::sync_with_stdio(false);
	cin.tie(0);

	string s; cin >> x;
	int S = s.length();
	rep(i, S) {
		cout << "x" << flush;
	}
	cout << endl;


	return 0;
}


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

#include <iostream>
using namespace std;

int main(){
	string s;
    cin >> s;
    for (i= 0; i<s.size(); i++){
        cout << "x";
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: 'i' was not declared in this scope
    7 |     for (i= 0; i<s.size(); i++){
      |          ^
Language: Java

import java.util.Scanner;

public class Imissyou {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		for(int i=0;i<s.length();i++) {
			System.out.print("x");
		}
		sc.close();
	}

}


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

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

int main() {
  string S;
  cin >> S;
  for (int i = 0; i < S.size; i++){
    cout << x;
  }
  cout << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:25: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
    7 |   for (int i = 0; i < S.size; i++){
      |                       ~~^~~~
      |                             ()
a.cc:8:13: error: 'x' was not declared in this scope
    8 |     cout << x;
      |             ^
Language: C++

#include <algorithm>
#include <bitset>
#include <tuple>
#include <cstdint>
#include <cstdio>
#include <cctype>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <limits>
#include <map>
#include <memory>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#define ArraySizeOf(array)     (sizeof(array) / sizeof(array[0]))
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define REP(i,n) for(int i=1;i<n;i++)
#define rev(i,n) for(int i=n-1;i>=0;i--)
#define _GLIBCXX_DEBUG
int INF = 1e9+7;
unsigned NthDayOfWeekToDay(unsigned n, unsigned dow, unsigned dow1)
{
unsigned day;
if(dow < dow1) dow += 7;
day = dow - dow1;
day += 7 * n - 6;
return day;
}
unsigned DayToWeekNumber(unsigned day)
{
  return (day - 1) / 7 + 1;
}
unsigned AnotherDayOfWeek(unsigned day, unsigned day0, unsigned dow0)
{
  return (dow0 + 35 + day - day0) % 7;
}
using namespace std;
signed main(){
  string S; cin>>S;
  rep(i,S.size())cout<<x;
  cout<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:60:24: error: 'x' was not declared in this scope
   60 |   rep(i,S.size())cout<<x;
      |                        ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
int main(){
  string S; cin>>S;
  rep(i,S.size())cout<<x;
  cout<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:24: error: 'x' was not declared in this scope
    6 |   rep(i,S.size())cout<<x;
      |                        ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++){
using namespace std;
int main(){
  string S; cin>>S;
  rep(i,S.size())cout<<x;
  cout<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:24: error: 'x' was not declared in this scope
    6 |   rep(i,S.size())cout<<x;
      |                        ^
a.cc:8:2: error: expected '}' at end of input
    8 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  string S; cin>>S;
  rep(i,S.size())cout<<x;
  cout<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:7: error: 'i' was not declared in this scope
    5 |   rep(i,S.size())cout<<x;
      |       ^
a.cc:5:3: error: 'rep' was not declared in this scope
    5 |   rep(i,S.size())cout<<x;
      |   ^~~
Language: C

/* 
 * Project: AtCoder Beginners Contest 154 B - I miss you...
 * Author: toms74209200 <https://github.com/toms74209200>
 *
 * Created on 2020/06/30
 * Copyright (c) 2020 toms74209200
 * 
 * This software is released under the MIT License.
 * http://opensource.org/licenses/mit-license.php
 */
#include <stdio.h>
using namespace std;

char s[100];

void solve() {

    char *ptr;
    ptr = &s[0];

    while (*ptr ^ '\0') {
        printf("x");
        ptr++;
    }
    printf("\n");
}

int main() {

    scanf("%s", s);

    solve();

}

Compiler output:
main.c:12:1: error: unknown type name 'using'
   12 | using namespace std;
      | ^~~~~
main.c:12:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
   12 | using namespace std;
      |                 ^~~
Language: Java

import java.util.*;
import java.io.*;
import java.lang.*;

public class ABC154B {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextLine().length();
		sc.close();
		for (int i = 0; i<n; i++) {
			System.out.print("x");
		}
	}
}


Compiler output:
Main.java:5: error: class ABC154B is public, should be declared in a file named ABC154B.java
public class ABC154B {
       ^
1 error
Language: C++

#include <iostream>
#include<cmath>
#include<string>
using namespace std;
int main()
{
     string s;
     cin>>s;
     int n=s.length();
  for(int i=0;i<n;i++)
  {
    cout<<x;}
     
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:11: error: 'x' was not declared in this scope
   12 |     cout<<x;}
      |           ^