Grokking the Coding Interview: Patterns for Coding Questions
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Solution: Search Suggestions System

Problem Statement

Given a list of distinct strings products and a string searchWord.

Determine a set of product suggestions after each character of the search word is typed. Every time a character is typed, return a list containing up to three product names from the products list that have the same prefix as the typed string.

If there are more than 3 matching products, return 3 lexicographically smallest products. These product names should be returned in lexicographical (alphabetical) order.

Examples

  1. Example 1:

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