Shortest transformation sequence

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You are given two distinct words **startWord** and **targetWord**, and a denoting **wordList** of unique words of equal lengths. The size of **wordList** is **$N$**. Find the length of the shortest transformation sequence from **startWord** to **targetWord**. Keep the following conditions in mind: - A word can only consist of lowercase characters. - Only one letter can be changed in each transfo

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solution.cppC++17

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