Aussie Greedy

:) greedy.c exists
:) greedy.c compiles
:( input of 0.41 yields output of 4
   \ expected output, not a prompt for input
:( input of 0.01 yields output of 1
   \ expected output, not a prompt for input
:( input of 0.15 yields output of 2
   \ expected output, not a prompt for input
:( input of 1.6 yields output of 7
   \ expected output, not a prompt for input
:( input of 23 yields output of 92
   \ expected output, not a prompt for input
:( input of 4.2 yields output of 18
   \ expected output, not a prompt for input
:) rejects a negative input like -.1
:) rejects a non-numeric input of "foo"
:) rejects a non-numeric input of ""