Problem 2381. Sum of digit range

Created by Omer

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Example:

If A is n1, and B is n2 digit positive numbers. A*B's digit range will be [c d] (c = min & d = max). Then return c+d.

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Last Solution submitted on Jul 19, 2025

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Gareth Lee on 30 Mar 2018

Is the explanation of the problem and test suite the same meaning?

Dyuman Joshi on 28 Oct 2020

Can anyone help me in understanding the problem statement? It's so confusing.

Mayank Bajpai on 28 Oct 2020

@Gareth
@Dyuman
If number of digits in A, n1 = 4, then A belongs to {10^4 to 10^5-1}
You will be given n1 and n2. You need to find the sum of ( min and max number of digits ) in A*B.

ChrisR on 2 Apr 2022

Let c be the number of digits in the smallest product of an n1-digit number and an n2-digit number and d be the number of digits in the largest product of an n1-digit number and an n2-digit number. Return c+d.

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Problem 2381. Sum of digit range

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Problem 2381. Sum of digit range

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Problem Recent Solvers48

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