foo.cc:1:1: error: ‘include’ does not name a type
    1 | include<bits/stdc++.h>
      | ^~~~~~~
foo.cc: In function ‘int main()’:
foo.cc:6:9: error: ‘cin’ was not declared in this scope
    6 |         cin>>n;
      |         ^~~
foo.cc:7:16: warning: unnecessary parentheses in declaration of ‘i’ [-Wparentheses]
    7 |         for(int(i)=0;i<n;i++)
      |                ^~~
foo.cc:7:16: note: remove parentheses
    7 |         for(int(i)=0;i<n;i++)
      |                ^~~
      |                - -
foo.cc:15:9: error: ‘cout’ was not declared in this scope
   15 |         cout<<y<<" "<<x;
      |         ^~~~