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I don't know if that's the only way to solve this problem, but I remember thinking that it was poorly worded, e.g. there's no explanation of what input strings would cause a "0" output. Interesting nonetheless.
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I don't know if that's the only way to solve this problem, but I remember thinking that it was poorly worded, e.g. there's no explanation of what input strings would cause a "0" output. Interesting nonetheless.