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

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


int main(){
    string s;
    string x = "x";
    cin >> s;
    cout << x * s.length() << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: no match for 'operator*' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
   10 |     cout << x * s.length() << endl;
      |             ~ ^ ~~~~~~~~~~
      |             |           |
      |             |           std::__cxx11::basic_string<char>::size_type {aka long unsigned int}
      |             std::string {aka std::__cxx11::basic_string<char>}
Language: C++

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


int main(){
    string s;
    char x = "x";
    cin >> s;
    cout << x * s.length() << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
    8 |     char x = "x";
      |              ^~~
      |              |
      |              const char*
Language: C++

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


Compiler output:
a.cc:7:11: error: extended character ‘ is not valid in an identifier
    7 |     cout<<‘x’;
      |           ^
a.cc:7:11: error: extended character ’ is not valid in an identifier
a.cc: In function 'int main()':
a.cc:7:11: error: '\U00002018x\U00002019' was not declared in this scope
    7 |     cout<<‘x’;
      |           ^~~
Language: C++

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

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 <iostream>

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


Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'string' was not declared in this scope
    4 |     string s ;
      |     ^~~~~~
a.cc:4:5: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin >> s;
      |     ^~~
      |     std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:12: error: 's' was not declared in this scope
    5 |     cin >> s;
      |            ^
a.cc:9:7: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |       cout <<s[i] ;
      |       ^~~~
      |       std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostream>

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


Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'string' was not declared in this scope
    4 |     string s;
      |     ^~~~~~
a.cc:4:5: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin >> s;
      |     ^~~
      |     std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:12: error: 's' was not declared in this scope
    5 |     cin >> s;
      |            ^
a.cc:6:9: error: 'i' was not declared in this scope
    6 |     for(i=0;i< s.length();i++)
      |         ^
a.cc:9:7: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |       cout <<s[i] ;
      |       ^~~~
      |       std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

#include<stdio.h>
int main(void)
{
  char s[i];
  int i;
  
  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:4:10: error: 'i' undeclared (first use in this function)
    4 |   char s[i];
      |          ^
main.c:4:10: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(void)
{
  char s[i];
  int i;
  
  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:4:10: error: 'i' undeclared (first use in this function)
    4 |   char s[i];
      |          ^
main.c:4:10: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <iostream>

using namespace std;

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

    }
    cout << s << endl;
    return 0 ;
}





Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: 'o' was not declared in this scope
    9 |     for (int i =o ; i<s.size(); i++)
      |                 ^
Language: C++

#include <iostream>

using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:25: 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 '()' ?)
    9 |      for(int i=0 ; i <s.size ; i++ )
      |                       ~~^~~~
      |                             ()
Language: C++

#include <iostream>
using namespace std;
int main()
{
    string s;
    cin >> s;
    s = tolower(s);
    int ss = s.size();
    for (int i = 0; i<ss; i++)
        s[i] = 'x';
    for (int i = 0; i < ss; i++)
        cout << s[i];
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: no matching function for call to 'tolower(std::string&)'
    7 |     s = tolower(s);
      |         ~~~~~~~^~~
In file included from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/locale_facets.h:2693:5: note: candidate: 'template<class _CharT> _CharT std::tolower(_CharT, const locale&)'
 2693 |     tolower(_CharT __c, const locale& __loc)
      |     ^~~~~~~
/usr/include/c++/14/bits/locale_facets.h:2693:5: note:   candidate expects 2 arguments, 1 provided
In file included from /usr/include/c++/14/cctype:42,
                 from /usr/include/c++/14/bits/localefwd.h:42,
                 from /usr/include/c++/14/ios:43:
/usr/include/ctype.h:122:12: note: candidate: 'int tolower(int)'
  122 | extern int tolower (int __c) __THROW;
      |            ^~~~~~~
/usr/include/ctype.h:122:25: note:   no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int'
  122 | extern int tolower (int __c) __THROW;
      |                     ~~~~^~~
Language: C++

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

int main() {

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

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: 'x' was not declared in this scope
   11 |     s.at(i) = x;
      |               ^
Language: C

nclude <stdio.h>

int main() {
	
	char s[101];
	int i;
	
	scanf("%s", s);
	
	for(i = 0;s[i]; i++){
		s[i] = 'x';
	}
	
	
	puts(s);
	
	
  return 0;
}


Compiler output:
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | nclude <stdio.h>
      |        ^
Language: C

#include<stdio.h>
int main()
{

  scanf("%s",&s);
  for(int i=0;s[i];i++)
    s[i]='x';
  puts(s);
  
  
  return 0;
}



Compiler output:
main.c: In function 'main':
main.c:5:15: error: 's' undeclared (first use in this function)
    5 |   scanf("%s",&s);
      |               ^
main.c:5:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<iostream>
using namespace std;
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:7:15: error: expected ';' before '<' token
    7 | for(int i=0, i<s.size(), i++) ;
      |               ^
      |               ;
a.cc:7:15: error: expected primary-expression before '<' token
a.cc:7:29: error: expected ';' before ')' token
    7 | for(int i=0, i<s.size(), i++) ;
      |                             ^
      |                             ;
a.cc:8:9: error: 'i' was not declared in this scope
    8 |       s[i] = 'x';
      |         ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
string s;
cin>>s;
for(int i=0, i<s.size(), i++) {
      s[i] = 'x';
}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:15: error: expected ';' before '<' token
    7 | for(int i=0, i<s.size(), i++) {
      |               ^
      |               ;
a.cc:7:15: error: expected primary-expression before '<' token
a.cc:7:29: error: expected ';' before ')' token
    7 | for(int i=0, i<s.size(), i++) {
      |                             ^
      |                             ;
Language: C++

#include <iostream>

using namespace std;

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:10:10: error: expected ';' before '}' token
   10 | s[i]= 'x'}
      |          ^
      |          ;
Language: C++

#include <iostream>

using namespace std;

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:10:9: error: expected ';' before '}' token
   10 | s[i]='x'}
      |         ^
      |         ;
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:2: error: expected '}' at end of input
    9 | }
      |  ^
a.cc:3:12: note: to match this '{'
    3 | int main() {
      |            ^
Language: C

#include<iostream>
#include<string>
using namespace std;
int main() {
    char a[100]; 
    string b;
    int n;
    cin >> a;
    n = strlen(a);
    for (int i = 0; i < n; i++){
        b.push_back('x');
    }
    cout << b;
}

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

#include <iostream>
using namespace std;
int main() {
    string a, b = 'x' ;
    int l;
    cin >> a;
    l = a.length();
    for (int i = 1; i<=l;i++)
    { b = b + 'x' ; }
    cout<<b;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:19: error: conversion from 'char' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
    4 |     string a, b = 'x' ;
      |                   ^~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
  string s;
  cin>>s;
  for (int i=0 ; i<19; i++)
       s[i]="x";
	   cout<<s<<endl;
	   
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    8 |        s[i]="x";
      |             ^~~
      |             |
      |             const char*
Language: C++

#include<iostream>
using namespace std;
int main()
{
  string s;
  cin>>s;
  for (int i=0 ; i<19; i++)
       s(i)="x";
	   cout<<s<<endl;
	   
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: no match for call to '(std::string {aka std::__cxx11::basic_string<char>}) (int&)'
    8 |        s(i)="x";
      |        ~^~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
  string s;
  int y;
  cin>>s;
  y=length(s);
  for (int i=0 , i<y , i++)
       s(i)='x';
	   cout<<s<<endl;
	   
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'length' was not declared in this scope
    8 |   y=length(s);
      |     ^~~~~~
a.cc:9:19: error: expected ';' before '<' token
    9 |   for (int i=0 , i<y , i++)
      |                   ^
      |                   ;
a.cc:9:19: error: expected primary-expression before '<' token
a.cc:9:27: error: expected ';' before ')' token
    9 |   for (int i=0 , i<y , i++)
      |                           ^
      |                           ;
a.cc:10:9: error: no match for call to '(std::string {aka std::__cxx11::basic_string<char>}) (int&)'
   10 |        s(i)='x';
      |        ~^~~
Language: C++


Beta
paiza.IO Online C++ compiler

    New code
    Recent code
    WebDev
    New!

    English

	

    Main.cpp

Success

    Output
    Input
    Comments 0
    (0.00 sec) 

xxxx



Compiler output:
a.cc:2:1: error: 'Beta' does not name a type
    2 | Beta
      | ^~~~
Language: C++

#include <iostream>
using namespace std;

int main()
{ string x;
cin>> x ;
int y;
y=0
     while (y<=x[y]);{
         x[y]='x';
         y+=1;
     }
cout<<x;
return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:4: error: expected ';' before 'while'
    8 | y=0
      |    ^
      |    ;
    9 |      while (y<=x[y]);{
      |      ~~~~~
a.cc:14:9: error: expected ';' before '}' token
   14 | return 0
      |         ^
      |         ;
   15 | }
      | ~
Language: C++

#include <iostream>
using namespace std;

int main()
{ string x;
cin>> x ;
int y;
y=0
     while(y<=x[::]);{
         x[y]='x';
         y+=1;
     }   
cout<<x;
return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:4: error: expected ';' before 'while'
    8 | y=0
      |    ^
      |    ;
    9 |      while(y<=x[::]);{
      |      ~~~~~
a.cc:14:9: error: expected ';' before '}' token
   14 | return 0
      |         ^
      |         ;
   15 | }
      | ~
Language: C++


#include <iostream>
using namespace std;

int main()
{
int elephant[101],i;
string x1 ("x");
i=0;
if (i<=100){
    elephant[i]= x1 ;
}
cout<<elephant;
return 0
}



Compiler output:
a.cc: In function 'int main()':
a.cc:11:18: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int' in assignment
   11 |     elephant[i]= x1 ;
      |                  ^~
      |                  |
      |                  std::string {aka std::__cxx11::basic_string<char>}
a.cc:14:9: error: expected ';' before '}' token
   14 | return 0
      |         ^
      |         ;
   15 | }
      | ~
Language: C++

#include <iostream>
using namespace std;

int main()
{
int elephant[101],i;
char x;
i=0;
if (i<=100){
    elephant[i]= char "x" ;
}
return 0
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:18: error: expected primary-expression before 'char'
   10 |     elephant[i]= char "x" ;
      |                  ^~~~
a.cc:12:9: error: expected ';' before '}' token
   12 | return 0
      |         ^
      |         ;
   13 | }
      | ~
Language: C++

#include <iostream>
#include <iomanip>
#include <string>
#include <ios>
using namespace std;
int main(void){
  string s;
  cin >> s;
  
  int l = s.length();
  
  for(int i=0;i<l;i++){
    cout << x;
  }
  
  cout << endl;
  
  return 0;
}


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

#include<iostream>
using namespace std;

int main(){

  char s[100];
  cin>>s;

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

cout<< s;

return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   for(i = 0, s[i], i++){
      |       ^
a.cc:15:1: error: expected primary-expression before 'return'
   15 | return 0;
      | ^~~~~~
a.cc:13:10: error: expected ')' before 'return'
   13 | cout<< s;
      |          ^
      |          )
   14 | 
   15 | return 0;
      | ~~~~~~    
a.cc:9:6: note: to match this '('
    9 |   for(i = 0, s[i], i++){
      |      ^
Language: C++

#include<iostream>
using namespace std;

int main(){
  cin>>s;
  char t[100];

  for(i = 0, t[i], i++){
      t[i] = 'x';
  }

cout<< t;

return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:5:8: error: 's' was not declared in this scope
    5 |   cin>>s;
      |        ^
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i = 0, t[i], i++){
      |       ^
a.cc:14:1: error: expected primary-expression before 'return'
   14 | return 0;
      | ^~~~~~
a.cc:12:10: error: expected ')' before 'return'
   12 | cout<< t;
      |          ^
      |          )
   13 | 
   14 | return 0;
      | ~~~~~~    
a.cc:8:6: note: to match this '('
    8 |   for(i = 0, t[i], i++){
      |      ^
Language: C++

#include<iostream>
using namespace std;

int main(){
  cin>>s;
  char t[100];
   t = s;

  for(i = 0, t[i], i++){
      t[i] = 'x';
  }

cout<< t;

return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:5:8: error: 's' was not declared in this scope
    5 |   cin>>s;
      |        ^
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   for(i = 0, t[i], i++){
      |       ^
a.cc:15:1: error: expected primary-expression before 'return'
   15 | return 0;
      | ^~~~~~
a.cc:13:10: error: expected ')' before 'return'
   13 | cout<< t;
      |          ^
      |          )
   14 | 
   15 | return 0;
      | ~~~~~~    
a.cc:9:6: note: to match this '('
    9 |   for(i = 0, t[i], i++){
      |      ^
Language: C++

#include<iostream>
using namespace std;

int main{
  cin>>s;
  char t[100];
   t = s;

  for(i = 0, t[i], i++){
      t[i] = 'x';
  }

cout<< t;

}



Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:8: error: 's' was not declared in this scope
    5 |   cin>>s;
      |        ^
a.cc:5:9: error: expected '}' before ';' token
    5 |   cin>>s;
      |         ^
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:7:4: error: 't' does not name a type; did you mean 'tm'?
    7 |    t = s;
      |    ^
      |    tm
a.cc:9:3: error: expected unqualified-id before 'for'
    9 |   for(i = 0, t[i], i++){
      |   ^~~
a.cc:13:1: error: 'cout' does not name a type
   13 | cout<< t;
      | ^~~~
a.cc:15:1: error: expected declaration before '}' token
   15 | }
      | ^
Language: C++

#include<iostream>
using namespace std;

int main{
  cin>>s
  char t[] = s;

  for(i = 0, t[], i++){
      t[i] = 'x'
  }

cout<< t

}



Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:8: error: 's' was not declared in this scope
    5 |   cin>>s
      |        ^
a.cc:6:3: error: expected '}' before 'char'
    6 |   char t[] = s;
      |   ^~~~
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:8:3: error: expected unqualified-id before 'for'
    8 |   for(i = 0, t[], i++){
      |   ^~~
a.cc:12:1: error: 'cout' does not name a type
   12 | cout<< t
      | ^~~~
a.cc:14:1: error: expected declaration before '}' token
   14 | }
      | ^
Language: C++

using namespace std;

int main()

{
    string S;
    cin>>S;
    S.length();
    for (int i=1;i<=S.length();i++){
        cout<<"x";
    }


    return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'string' was not declared in this scope
    6 |     string S;
      |     ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | using namespace std;
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin>>S;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:7:10: error: 'S' was not declared in this scope
    7 |     cin>>S;
      |          ^
a.cc:10:9: error: 'cout' was not declared in this scope
   10 |         cout<<"x";
      |         ^~~~
a.cc:10:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<bits/stdc++.h>

using namespace std;

int main()
{
    char s[100];
    int l;
    gets(s);
    l=strlen(s);
    for(int i=0;i<l;i++)
        printf("x");
    printf("\n");
    return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |     gets(s);
      |     ^~~~
      |     getw
Language: C++

#include<bits/stdc++.h>

using namespace std;

int main()
{
    char s[100];
    int l;
    gets(s);
    l=strlen(s);
    for(int i=0;i<l;i++)
        cout<<"x";
    cout<<"\n";
    return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |     gets(s);
      |     ^~~~
      |     getw
Language: C++

word = input()

myList = list(word)

i=0
while i < len(myList):
    myList[i]="x"
    i +=1
    
new = ""

for m in myList:
    new = new+m
    
print (new)


Compiler output:
a.cc:1:1: error: 'word' does not name a type
    1 | word = input()
      | ^~~~
Language: C++

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

int main() {
		int x,i ; string S;
		cin >>S;
		x=S.size() ;
		for(i=1;i>x;i++)
		{ cout <<*; }
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:27: error: expected primary-expression before ';' token
   10 |                 { cout <<*; }
      |                           ^
Language: Java

public class MissYou{
  public void static main(String[]args){
    char[]boxes;
    for(int i=0;i<args[0].length;i++){
      boxes[i] = x;
      system.out.print(boxes[i]);
    }
  }
}
    

Compiler output:
Main.java:2: error: <identifier> expected
  public void static main(String[]args){
             ^
Main.java:2: error: '(' expected
  public void static main(String[]args){
              ^
Main.java:2: error: invalid method declaration; return type required
  public void static main(String[]args){
                     ^
3 errors
Language: C++

#define rep(i,n) REP(i,0,n)
#define vec vector 


int main(){
  string S;
  int N;
  
  cin >> S;
  N = S.size();
  
  rep(i, N){
    S.at(i) = 'x';
  }
  
  cout << S;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'string' was not declared in this scope
    6 |   string S;
      |   ^~~~~~
a.cc:9:3: error: 'cin' was not declared in this scope
    9 |   cin >> S;
      |   ^~~
a.cc:9:10: error: 'S' was not declared in this scope
    9 |   cin >> S;
      |          ^
a.cc:12:7: error: 'i' was not declared in this scope
   12 |   rep(i, N){
      |       ^
a.cc:1:22: note: in definition of macro 'rep'
    1 | #define rep(i,n) REP(i,0,n)
      |                      ^
a.cc:1:18: error: 'REP' was not declared in this scope
    1 | #define rep(i,n) REP(i,0,n)
      |                  ^~~
a.cc:12:3: note: in expansion of macro 'rep'
   12 |   rep(i, N){
      |   ^~~
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout << S;
      |   ^~~~
Language: C++

#include<iostream>
#include<cmath>
#include<complex>
#include<cstdlib>
#include<algorithm>
#include<functional>
#include<limits.h>
using namespace std;
int main(){
    char s[1000];
    cin>>s;
    for(int i=0;i<strlen(s);i++)cout<<"x";
    cout<<endl;
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:12:19: error: 'strlen' was not declared in this scope
   12 |     for(int i=0;i<strlen(s);i++)cout<<"x";
      |                   ^~~~~~
a.cc:8:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    7 | #include<limits.h>
  +++ |+#include <cstring>
    8 | using namespace std;
Language: C++

#include<iostream>
#include<cmath>
#include<complex>
#include<cstdlib>
#include<algorithm>
#include<functional>
#include<limits.h>
#include<string>
using namespace std;
int main(){
    char s[1000];
    cin>>s;
    for(int i=0;i<strlen(s);i++)cout<<"x";
    cout<<endl;
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:13:19: error: 'strlen' was not declared in this scope
   13 |     for(int i=0;i<strlen(s);i++)cout<<"x";
      |                   ^~~~~~
a.cc:8:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    7 | #include<limits.h>
  +++ |+#include <cstring>
    8 | #include<string>
Language: C++

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


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

      
  

Compiler output:
a.cc: In function 'int main()':
a.cc:18:10: error: expected ';' before ':' token
   18 |  return 0:
      |          ^
      |          ;
a.cc:18:10: error: expected primary-expression before ':' token
Language: C++

#include <iostream>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: expected ';' before '}' token
    8 |         cout<<'x'
      |                  ^
      |                  ;
    9 |     }
      |     ~
Language: C++

//#include<bits/stdc++.h>
#include<iostream>
 
#define YES() printf("YES\n")
#define NO() printf("NO\n")
#define Yes() printf("Yes\n")
#define No() printf("No\n")
#define fast() ios::base::sync_with_stdio(false); cin.tie(NULL);
typedef long long int ll;
//using ll = long long;
 
template<typename T>
inline T Abs(T a){return a < 0 ? -a : a; }
template<typename T>
inline T Max(T a, T b){return a < b ? b : a; }
template<typename T>
inline T Min(T a, T b){return a > b ? b : a; }
 
using namespace std;
 
int main(){
    //fast()
    
    string str; cin >> str;
    int length = str.length();
    while(length--){cout << 'x'}
    cout << '\n';
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:32: error: expected ';' before '}' token
   26 |     while(length--){cout << 'x'}
      |                                ^
      |                                ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define si size()
#define bk back()
#define popb pop_back()
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define endl "\n"
#define lb lower_bound
#define ub upper_bound
#define emp empty()
#define beg begin()
#define en end()
#define ump unordered_map
#define forl(i,a,n) for(int i=a;i<n;i++)
#define rfor(i,n,a) for(int i=n;i>=a;i--)
#define fore(i,a,n) for(int i=a;i<=n;i++)
#define len length()
double doINF = 1.0/0.0 ;
ostream_iterator <int> outp(cout," ");
inline ll modadd(ll n,ll m,ll mod){
    ll sum = ((n+m)%mod+mod)%mod;
    return sum;
} 
inline ll modsub(ll n,ll m, ll mod){
    ll diff = ((n-m+mod)%mod+mod)%mod;
    return diff;
}
inline ll modpro(ll n,ll m,ll mod){
    ll pro = ((n*m)%mod+mod)%mod;
    return pro;
}
inline ll pow(int x,int y){
    ll res = 1;
    while (y > 0) {
        if (y & 1)
            res = res * x;
        y = y >> 1;
        x = x * x;
    }
    return res;
}
inline ll powmod(ll x,ll y,ll mod){
    ll res = 1;
    while (y > 0) {
        if (y & 1)
            res = modpro(res , x,mod);
        y = y >> 1;
        x = modpro(x , x,mod);
    }
    return res;
}
//ll min(ll a, ll b){
//    if(a>b){
//        return b;
//    }
//    return a;
//}
// 
//ll max(ll a, ll b){
//    if(a>b){
//        return a;
//    }
//    return b;
//}
bool pairdec(const pair<int,int> &a,  
               const pair<int,int> &b) 
{ 		if(a.fi!=b.fi)
       	return (a.fi> b.fi);
		else return a.se>b.se;  
} 

ll power(ll x, ll y, ll mod) 
{ 
    ll res = 1; 
    x = x%mod; 
    while (y > 0) { 
        if (y & 1) 
            res = (res * x) % mod; 
  
        y = y >> 1;
        x = (x * x) % mod; 
    } 
    return res; 
} 
ll modInverse(ll a, ll mod) 
{ 
    return  powmod(a, mod - 2, mod); 
} 
ll modFact(ll n, ll mod) 
{ 
    if (n >=mod) 
        return 0; 
  
    ll result = 1; 
    for (ll i = 1; i <= n; i++) 
        result = (result * i) %mod; 
  
    return result; 
} 
//cout<<setprecision(9)<<fixed<<sum<<endl; --- precision for double numbers
//copy(v.beg,v.en,outp);

int main()
{
	string s;
	cin>>s;
	forl(i,0,s.len) s[i]="x";
	cout<<s<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:112:30: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
  112 |         forl(i,0,s.len) s[i]="x";
      |                              ^~~
      |                              |
      |                              const char*
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
#define ff first
#define ss second
#define mp make_pair
#define pb push_back

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

Compiler output:
a.cc: In function 'int main()':
a.cc:15:25: 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 '()' ?)
   15 |         for(int i=0;i<s.size;i++){
      |                       ~~^~~~
      |                             ()
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: 'x' was not declared in this scope
    9 |     t+=x;
      |        ^
Language: C++

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

int main()
{
    char s[100];
    gets(s);
    int l=strlen(s);
    char c[l];
    for(int i=0;i<l;i++)
    printf("*");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |     gets(s);
      |     ^~~~
      |     getw
Language: C++

#include<bits/stdc++.h>
using namespace
int main()
{
  string a;
  int n;
  getline(cin,a);
  n=a.length();
  for(int i=0;i<n;i++)
    cout<<"x";
  return 0;
}


Compiler output:
a.cc:3:1: error: expected identifier before 'int'
    3 | int main()
      | ^~~
a.cc:2:16: error: expected ';' before 'int'
    2 | using namespace
      |                ^
      |                ;
    3 | int main()
      | ~~~             
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string a;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:11: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   getline(cin,a);
      |           ^~~
      |           std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:15: error: 'a' was not declared in this scope
    7 |   getline(cin,a);
      |               ^
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<"x";
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace;
int main()
{
  string a;
  int n;
  getline(cin,a);
  n=a.length();
  for(int i=0;i<n;i++)
    cout<<"x";
  return 0;
}


Compiler output:
a.cc:2:16: error: expected identifier before ';' token
    2 | using namespace;
      |                ^
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string a;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:11: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   getline(cin,a);
      |           ^~~
      |           std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:15: error: 'a' was not declared in this scope
    7 |   getline(cin,a);
      |               ^
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<"x";
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

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


Compiler output:
a.cc:2:16: error: expected identifier before ';' token
    2 | using namespace;
      |                ^
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string a;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:13: error: 'a' was not declared in this scope
    7 |   std::cin>>a;
      |             ^
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<"x";
      |     ^~~~
      |     std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

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

Compiler output:
a.cc:2:16: error: expected identifier before ';' token
    2 | using namespace;
      |                ^
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string a;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin>>a;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:8: error: 'a' was not declared in this scope
    7 |   cin>>a;
      |        ^
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<"x";
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostream>

using namespace std;

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

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: 'x' was not declared in this scope
   10 |       cout << x;
      |               ^
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
 
int main(void){
  char c1;
  scanf("%s",&c1);
  int n1 = strlen(*c1);
  for(int i=0;i<n1;++i){
    printf("x");
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:19: error: invalid type argument of unary '*' (have 'int')
    8 |   int n1 = strlen(*c1);
      |                   ^~~
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;
  return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string s;
      |   ^~~~~~
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>s;
      |   ^~~
a.cc:6:8: error: 's' was not declared in this scope
    6 |   cin>>s;
      |        ^
a.cc:8:5: error: 'cout' was not declared in this scope
    8 |     cout<<'x';
      |     ^~~~
a.cc:9:3: error: 'cout' was not declared in this scope
    9 |   cout<<endl;
      |   ^~~~
a.cc:9:9: error: 'endl' was not declared in this scope
    9 |   cout<<endl;
      |         ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(void){
    string s;
  	for(int i=0;s[i]!='\0';i++) cout<<x;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:43: error: 'x' was not declared in this scope
    5 |         for(int i=0;s[i]!='\0';i++) cout<<x;
      |                                           ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: expected ';' before 'for'
    7 |   cin>>s
      |         ^
      |         ;
    8 |   for(auto i=0;i<s.length();i++)
      |   ~~~    
a.cc:8:16: error: 'i' was not declared in this scope
    8 |   for(auto i=0;i<s.length();i++)
      |                ^
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 ;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:13: error: 'x' was not declared in this scope
   10 |     cout << x ;
      |             ^
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C++

#include <iostream>

using namespace std;

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

Compiler output:
a.cc:5:5: error: cannot declare '::main' to be a global variable
    5 | int main{
      |     ^~~~
a.cc:6:12: error: expected primary-expression before 's'
    6 |     string s;
      |            ^
a.cc:6:12: error: expected '}' before 's'
a.cc:5:9: note: to match this '{'
    5 | int main{
      |         ^
a.cc:7:5: error: 'cin' does not name a type
    7 |     cin>>s;
      |     ^~~
a.cc:8:5: error: expected unqualified-id before 'for'
    8 |     for(int i=0;i<s.size();i++){
      |     ^~~
a.cc:8:17: error: 'i' does not name a type
    8 |     for(int i=0;i<s.size();i++){
      |                 ^
a.cc:8:28: error: 'i' does not name a type
    8 |     for(int i=0;i<s.size();i++){
      |                            ^
a.cc:11:5: error: 'cout' does not name a type
   11 |     cout<<s<<endl;
      |     ^~~~
a.cc:13:1: error: expected declaration before '}' token
   13 | }
      | ^
Language: C++

#include <iostream>
using namespace std;
string S;
int i , size, n;
int maint(){
cin>>S;
for (i=0;i<sizeof(S);i++){
S[i]='x';
cout<<S[i]<<"";
}
return 0;
}

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

#include <iostream>
using namespace std;
string S;
int i , size, n;
int maint(){
cin>>S;
for (i=0;i<sizeof(S);i++){
S[i]='x';
cout<<S[i]<<"";
}
return0;
}

Compiler output:
a.cc: In function 'int maint()':
a.cc:11:1: error: 'return0' was not declared in this scope
   11 | return0;
      | ^~~~~~~
a.cc:12:1: warning: no return statement in function returning non-void [-Wreturn-type]
   12 | }
      | ^
Language: C++

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

using namespace std;

int main()
{
    char s[100];
    int len;
    gets(s);
    len=strlen(s);
    for(int i=0;i<len;i++)
    {
        cout<<"x";
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
   11 |     gets(s);
      |     ^~~~
      |     getw
Language: C++

#include <iostream>
#include<string.h>
#include<stdio.h>
#include<conio.h>
using namespace std;

int main()
{
    char s[100];
    int len;
    gets(s);
    len=strlen(s);
    for(int i=0;i<len;i++)
    {
        cout<<"x";
    }
    return 0;
}


Compiler output:
a.cc:4:9: fatal error: conio.h: No such file or directory
    4 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include<string.h>
using namespace std;

int main()
{
    char s[100];
    int len;
    gets(s);
    len=strlen(s);
    for(int i=0;i<len;i++)
    {
        cout<<"x";
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |     gets(s);
      |     ^~~~
      |     getw
Language: Java

import java.util.*;
public class Test {

   public static void main(String args[]) {
     Scanner scn=new Scanner(System.in);
     System.out.println("enter the string");
      String S=scn.next();
      for(int i=0;i<=S.length()-1;i++)
      {
      
        
     System.out.print(S.replace(S,"x"));
    
      }
   } 
}


Compiler output:
Main.java:2: error: class Test is public, should be declared in a file named Test.java
public class Test {
       ^
1 error
Language: Java

import java.util.*;
public class Test {

   public static void main(String args[]) {
     Scanner scn=new Scanner(System.in);
     System.out.println("enter the string");
      String Str=scn.next();
      for(int i=0;i<=Str.length()-1;i++)
      {
      
        
     System.out.print(Str.replace(Str,"x"));
    
      }
   } 
}


Compiler output:
Main.java:2: error: class Test is public, should be declared in a file named Test.java
public class Test {
       ^
1 error
Language: Java

import java.util.*;
class java
  {
  public static void main(String [] args)
    {
    Scanner sc=new Scanner(System.in);
    String s = sc.nextLine();
   
     for(int i=0;i<s.length();i++)
       {
       char c = s.charAt(i);
       System.out.println(s.replace(c,'x');
                          }
                          }}


Compiler output:
Main.java:12: error: ')' or ',' expected
       System.out.println(s.replace(c,'x');
                                          ^
1 error
Language: Java

import java.util.*;
class java
  {
  public static void main()
    {
    Scanner sc=new Scanner(System.in);
    String s = sc.nextLine();
   
     for(int i=0;i<s.length();i++)
       {
       char c = s.charAt(i);
       System.out.println(s.replace(c,'x');
                          }
                          }}


Compiler output:
Main.java:12: error: ')' or ',' expected
       System.out.println(s.replace(c,'x');
                                          ^
1 error
Language: Java

import java.util.*;
class java
  {
  public static void main()
    {
    Scanner sc=new Scanner(System.in);
    String s = sc.nextLine();
   
     for(int i=0;i<s.length();i++)
       {
       char c = s.charAt(i);
       System.out.println(s.replace(c,'x');
                          }
                          }}

Compiler output:
Main.java:12: error: ')' or ',' expected
       System.out.println(s.replace(c,'x');
                                          ^
1 error
Language: C++

#include <iostream>
#include <string>

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:10:16: error: expected ';' before '}' token
   10 |     cout << 'x'
      |                ^
      |                ;
   11 |   }
      |   ~