An algorithm for pavement usage calculation

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Published on 2010-06-13T18:34:05Z Indexed on 2010/06/13 18:42 UTC
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homework

Given an area of specific size I need to find out how many pavement stones to use to completely pave the area. Suppose that I have an empty floor of 100 metre squares and stones with 20x10 cm and 30x10 cm sizes. I must pave the area with minimum usage of stones of both sizes. Anyone knows of an algorithm that calculates this?

(Sorry if my English is bad)

C# is preferred.

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