Grokking the Coding Interview: Patterns for Coding Questions
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Zachary Nelson
Callout optimal solution

Zachary Nelson

Oct 16, 2024

I appreciate that 3 example solutions are given but they are not given in order from least to most optimal. It would be nice to at least callout which solution for problems is the most optimal solution.

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Problem Statement

Examples

Solution

Approach 1: Brute Force

Approach 2: Using Hash Set

Approach 3: Sorting