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Ruby
[QUIZ] Happy Numbers (#93)
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[QUOTE="Peter Hickman, post: 4525164"] Problem is that from the quiz it states that you either get a 1 or an infinite loop and that an unhappy number is "obvious". Which is a sign that something has not been explained clearly. Given that the Wolfram page was clearer than the quiz at to what constitutes happy don't be surprised if some people go off down the wrong path. [/QUOTE]
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[QUIZ] Happy Numbers (#93)
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