foo.cc:5:8: error: expected ';' at end of member declaration
    5 |  int x,y
      |        ^
      |         ;
foo.cc:6:2: error: storage size of 'f' isn't known
    6 | }f[];
      |  ^
foo.cc: In function 'int find()':
foo.cc:9:5: error: 'fa' was not declared in this scope; did you mean 'a'?
    9 |  if(fa==)
      |     ^~
      |     a
foo.cc:9:9: error: expected primary-expression before ')' token
    9 |  if(fa==)
      |         ^
foo.cc:10:1: error: expected primary-expression before '}' token
   10 | }
      | ^
foo.cc:10:1: warning: no return statement in function returning non-void [-Wreturn-type]

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