Grokking the Coding Interview: Patterns for Coding Questions

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Solution: Shortest Word Distance

Problem Statement

Given an array of strings words and two different strings that already exist in the array word1 and word2, return the shortest distance between these two words in the list.

Example 1:

Input: words = ["the", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog"], word1 = "fox", word2 = "dog"
Output: 5
Explanation: The distance between "fox" and "dog" is 5 words.

Example 2:

Input: words = ["a", "c", "d", "b", "a"], word1 = "a", word2 = "b"
Output: 1
Explanation: The shortest distance between "a" and "b" is 1 word

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