Language: C++

#include<bits/stdc++.h>
using namespcace std;
int main()
{
  	ll n; cin>>n;
    string s="";
    while(n--) 
    {
		  s+=(char)('a'+n%26);
		  n/=26;		  
	}
		reverse(all(s));
		cout<<s<<endl;     
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespcace'
    2 | using namespcace std;
      |       ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:9: error: 'll' was not declared in this scope
    5 |         ll n; cin>>n;
      |         ^~
a.cc:5:15: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |         ll n; cin>>n;
      |               ^~~
      |               std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:20: error: 'n' was not declared in this scope; did you mean 'yn'?
    5 |         ll n; cin>>n;
      |                    ^
      |                    yn
a.cc:6:5: error: 'string' was not declared in this scope
    6 |     string s="";
      |     ^~~~~~
a.cc:6:5: 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:
/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:9:19: error: 's' was not declared in this scope
    9 |                   s+=(char)('a'+n%26);
      |                   ^
a.cc:12:29: error: 's' was not declared in this scope
   12 |                 reverse(all(s));
      |                             ^
a.cc:12:25: error: 'all' was not declared in this scope; did you mean 'std::filesystem::perms::all'?
   12 |                 reverse(all(s));
      |                         ^~~
      |                         std::filesystem::perms::all
In file included from /usr/include/c++/14/filesystem:51,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200:
/usr/include/c++/14/bits/fs_fwd.h:158:7: note: 'std::filesystem::perms::all' declared here
  158 |       all               =  0777,
      |       ^~~
a.cc:12:17: error: 'reverse' was not declared in this scope; did you mean 'std::reverse'?
   12 |                 reverse(all(s));
      |                 ^~~~~~~
      |                 std::reverse
In file included from /usr/include/c++/14/algorithm:86,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:249:1: note: 'std::reverse' declared here
  249 | reverse(_ExecutionPolicy&& __exec, _BidirectionalIterator __first, _BidirectionalIterator __last);
      | ^~~~~~~
a.cc:13:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   13 |                 cout<<s<<endl;
      |                 ^~~~
      |                 std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:13:26: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   13 |                 cout<<s<<endl;
      |                          ^~~~
      |                          std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~