How to Solve Smallest Integer Divisible by K Problem
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Smallest Integer Divisible by K
Given a positive integer k, you need to find the length of the smallest positive integer n such that n is divisible by k, and n only contains the digit 1. Return the length of n. If there is no such n...
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Understanding the Smallest Integer Divisible by K Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Given a positive integer k, you need to find the length of the smallest positive integer n such that n is divisible by k, and n only contains the digit 1. Return the length of n. If there is no such n, return -1. Note: n may not fit in a 64-bit signed integer.
Smallest Integer Divisible by K
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Get real-time assistance for Smallest Integer Divisible by K problems during coding interviews. Interview Coder provides instant solutions and explanations.
Examples
k = 11The smallest answer is n = 1, which has length 1.
k = 2-1There is no such positive integer n divisible by 2.
k = 33The smallest answer is n = 111, which has length 3.
Constraints
1 <= k <= 105How Interview Coder Helps with Leetcode Problems
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