Grokking the Coding Interview: Patterns for Coding Questions
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Approach 2 - Wording Issue

ethanedge

Mar 8, 2024

The explanation uses the variable name 'unique_set' but in the Java code solution it is called just 'set'.

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Problem Statement

Examples

Solution

Approach 1: Brute Force

Approach 2: Using Hash Set

Approach 3: Sorting