How could i fix the exit code of 0 fault? please.
jharvard@appliance (~/Desktop/hacker1): check50 2014.fall.hacker1.mario mario.c :) mario.c exists :) mario.c compiles :( rejects a height of -1 **\ expected output, not an exit code of 0** :) handles a height of 0 correctly :) handles a height of 1 correctly :) handles a height of 2 correctly :) handles a height of 23 correctly :( rejects a height of 24 **\ expected output, not an exit code of 0** :) rejects a non-numeric height of "foo" :) rejects a non-numeric height of ""
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