/in/foo.cc:1:1: error: stray '##' in program
 ###Code
 ^~
/in/foo.cc:1:3: error: stray '#' in program
 ###Code
   ^
/in/foo.cc:1:4: error: 'Code' does not name a type
 ###Code
    ^~~~
/in/foo.cc:3:1: error: expected unqualified-id before 'while'
 while(n--)
 ^~~~~