The tersum, which appears in certain mathematical games, involves adding two numbers in base 3 without carry and converting back to base 10. For example, the tersum of 5 and 8 would involve adding their base-3 representations 12 and 22 without carry to get 01 in base 3 or 1 in base 10.
Write a function to compute the tersum of two integers.
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Last Solution submitted on Mar 03, 2026

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William George Berken Nikolaos Nikolaou CXD

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