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For mine, I started out by making the string super long. Instead, I should have multiplied the sum by "k". Making the string super long would take way too long, which was why it didn't work.
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Recursive Digit Sum
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For mine, I started out by making the string super long. Instead, I should have multiplied the sum by "k". Making the string super long would take way too long, which was why it didn't work.