basic C

can you help create a program that will accept an amount and output its denomination.

example

amount: 5670.45

1000: 5
500: 6
200: 0
100: 6
50: 1
20: 1
10: 0
.25: 1
.05: 3

>>15,20,22-23,26
I have no idea why a gentleman like you would hang out in /prog/, for you are a much better person than most of us put together. I tip my hat to you, sir. Or perhaps it's just that this board's been shit lately, which of course does not remove any of your merit, actually quite the contrary).