/in/foo.cc:7:2: error: stray '#' in program
    7 | }#include<bits/stdc++.h>
      |  ^
/in/foo.cc:3:1: error: two or more data types in declaration of 'main'
    3 | int
      | ^~~
/in/foo.cc:7:3: error: 'include' does not name a type
    7 | }#include<bits/stdc++.h>
      |   ^~~~~~~