Check if Number is a Sum of Powers of Three: coding question

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Determine whether a positive integer n can be expressed as a sum of distinct powers of three — equivalently, check that n’s base‑3 representation contains only the digits 0 and 1 (no 2s).

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Leetcode 1780. Check if Number is a Sum of Powers of Three
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Check if Number is a Sum of Powers of Three

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Check if Number is a Sum of Powers of Three

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