Analyst Developer Interview Questions

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Find the positive integer smaller than a given number S that has the maximum possible sum of digits. Should return this number as a string, ensuring that it contains only digits and has no leading zeros. If multiple numbers yield the same maximum digit sum, any valid result can be returned. The solution must be efficient, as S can have up to 100,000 digits.
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Analyst Developer

Interviewed at FNZ

3.3
Jan 29, 2025

Find the positive integer smaller than a given number S that has the maximum possible sum of digits. Should return this number as a string, ensuring that it contains only digits and has no leading zeros. If multiple numbers yield the same maximum digit sum, any valid result can be returned. The solution must be efficient, as S can have up to 100,000 digits.

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