/in/foo.cc:1:2: error: invalid preprocessing directive #intclude
 #intclude <bits/stdc++.h>
  ^~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:2: error: 'cin' was not declared in this scope
  cin>>n>>a>>b;
  ^~~
/in/foo.cc:7:2: error: 'cout' was not declared in this scope
  cout<<n/(a+b);
  ^~~~