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:6:26: error: 'cout' was not declared in this scope
    6 | if(400 <= X && X <= 599) cout << "8" << endl;
      |                          ^~~~
a.cc:6:26: 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:7:32: error: 'cout' was not declared in this scope
    7 | else if (600 <= X && X <= 799) cout << "7" << endl;
      |                                ^~~~
a.cc:7:32: 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:8:32: error: 'cout' was not declared in this scope
    8 | else if (800 <= X && X <= 999) cout << "6" << endl;
      |                                ^~~~
a.cc:8:32: 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:9:34: error: 'cout' was not declared in this scope
    9 | else if (1000 <= X && X <= 1199) cout << "5" << endl;
      |                                  ^~~~
a.cc:9:34: 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:10:34: error: 'cout' was not declared in this scope
   10 | else if (1200 <= X && X <= 1399) cout << "4" << endl;
      |                                  ^~~~
a.cc:10:34: 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:11:34: error: 'cout' was not declared in this scope
   11 | else if (1400 <= X && X <= 1599) cout << "3" << endl;
      |                                  ^~~~
a.cc:11:34: 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:12:34: error: 'cout' was not declared in this scope
   12 | else if (1600 <= X && X <= 1799) cout << "2" << endl;
      |                                  ^~~~
a.cc:12:34: 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:13:6: error: 'cout' was not declared in this scope
   13 | else cout << "1" << endl;
      |      ^~~~
a.cc:13:6: 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>'