I have a few friends in the engineering program at Purdue. They have to take a class called CS159, which formally teaches them the programming language C, presumably with its applications to engineering. I don’t really know the details, as I neither am in their program nor the class.

They had an assignment that revolves around a user selecting between three given formulas, inputting an argument and receiving the computed value. The catch? If-statements are entirely illegal. The majority of C is similarly off limits.

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