Language: C++

#inclde<iostream>
using namespace std;
int X;
int main(){
  cin >> X;
  if(400 <= X && X <= 599) cout << 8 << endl;
  else if (600 <= X && X <= 799) cout << 7 << endl;
  else if (800 <= X && X <= 999) cout << 6 << endl;
  else if (1000 <= X && X <= 1199) cout << 5 << endl;
  else if (1200 <= X && X <= 1399) cout << 4 << endl;
  else if (1400 <= X && X <= 1599) cout << 3 << endl;
  else if (1600 <= X && X <= 1799) cout << 2 << endl;
  else cout << 1 << endl;
return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inclde; did you mean #include?
    1 | #inclde<iostream>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> X;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inclde<iostream>
a.cc:6:28: error: 'cout' was not declared in this scope
    6 |   if(400 <= X && X <= 599) cout << 8 << endl;
      |                            ^~~~
a.cc:6:28: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:6:41: error: 'endl' was not declared in this scope
    6 |   if(400 <= X && X <= 599) cout << 8 << endl;
      |                                         ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inclde<iostream>
a.cc:7:34: error: 'cout' was not declared in this scope
    7 |   else if (600 <= X && X <= 799) cout << 7 << endl;
      |                                  ^~~~
a.cc:7:34: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:7:47: error: 'endl' was not declared in this scope
    7 |   else if (600 <= X && X <= 799) cout << 7 << endl;
      |                                               ^~~~
a.cc:7:47: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:8:34: error: 'cout' was not declared in this scope
    8 |   else if (800 <= X && X <= 999) cout << 6 << endl;
      |                                  ^~~~
a.cc:8:34: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:8:47: error: 'endl' was not declared in this scope
    8 |   else if (800 <= X && X <= 999) cout << 6 << endl;
      |                                               ^~~~
a.cc:8:47: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:9:36: error: 'cout' was not declared in this scope
    9 |   else if (1000 <= X && X <= 1199) cout << 5 << endl;
      |                                    ^~~~
a.cc:9:36: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:49: error: 'endl' was not declared in this scope
    9 |   else if (1000 <= X && X <= 1199) cout << 5 << endl;
      |                                                 ^~~~
a.cc:9:49: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:10:36: error: 'cout' was not declared in this scope
   10 |   else if (1200 <= X && X <= 1399) cout << 4 << endl;
      |                                    ^~~~
a.cc:10:36: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:10:49: error: 'endl' was not declared in this scope
   10 |   else if (1200 <= X && X <= 1399) cout << 4 << endl;
      |                                                 ^~~~
a.cc:10:49: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:11:36: error: 'cout' was not declared in this scope
   11 |   else if (1400 <= X && X <= 1599) cout << 3 << endl;
      |                                    ^~~~
a.cc:11:36: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:11:49: error: 'endl' was not declared in this scope
   11 |   else if (1400 <= X && X <= 1599) cout << 3 << endl;
      |                                                 ^~~~
a.cc:11:49: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:12:36: error: 'cout' was not declared in this scope
   12 |   else if (1600 <= X && X <= 1799) cout << 2 << endl;
      |                                    ^~~~
a.cc:12:36: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:49: error: 'endl' was not declared in this scope
   12 |   else if (1600 <= X && X <= 1799) cout << 2 << endl;
      |                                                 ^~~~
a.cc:12:49: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:13:8: error: 'cout' was not declared in this scope
   13 |   else cout << 1 << endl;
      |        ^~~~
a.cc:13:8: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:21: error: 'endl' was not declared in this scope
   13 |   else cout << 1 << endl;
      |                     ^~~~
a.cc:13:21: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'