Main.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
Main.cc: In function 'int main()':
Main.cc:5:5: error: 'cin' was not declared in this scope
    5 |     cin>>n;
      |     ^~~
Main.cc:16:13: error: 'cout' was not declared in this scope
   16 |             cout<<i-1<<endl;
      |             ^~~~
Main.cc:16:24: error: 'endl' was not declared in this scope
   16 |             cout<<i-1<<endl;
      |                        ^~~~