/in/foo.cc:31:2: error: expected unqualified-id before 'return'
  return RemoveAt(a,n, k);
  ^~~~~~
/in/foo.cc: In function 'int SearchRemove(int*, int, int)':
/in/foo.cc:30:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^