Language: C++

#include<iostream>
using namesapce std;

int main(){
  int n;cin>>n;
  if(n<105) cout<<0<<endl;
  else if(n<135) cout<<1<<endl;
  else if(n<165) cout<<2<<endl;
  else if(n<189) cout<<3<<endl;
  else if(n<195) cout<<4<<endl;
  else cout<<5<<endl;
  return 0;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namesapce'
    2 | using namesapce std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   int n;cin>>n;
      |         ^~~
      |         std::cin
In file included 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:6:13: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |   if(n<105) cout<<0<<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:6:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |   if(n<105) cout<<0<<endl;
      |                      ^~~~
      |                      std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:7:18: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   else if(n<135) cout<<1<<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:7:27: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |   else if(n<135) cout<<1<<endl;
      |                           ^~~~
      |                           std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:8:18: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   else if(n<165) cout<<2<<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:8:27: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |   else if(n<165) cout<<2<<endl;
      |                           ^~~~
      |                           std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:9:18: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |   else if(n<189) cout<<3<<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:9:27: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |   else if(n<189) cout<<3<<endl;
      |                           ^~~~
      |                           std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:10:18: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |   else if(n<195) cout<<4<<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:10:27: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |   else if(n<195) cout<<4<<endl;
      |                           ^~~~
      |                           std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:11:8: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   11 |   else cout<<5<<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:11:17: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   11 |   else cout<<5<<endl;
      |                 ^~~~
      |                 std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~