Word Ladder

Hard

📝 Description

Find the length of shortest transformation sequence from beginWord to endWord

Input Format

beginWord, endWord, and wordList

Output Format

Length of shortest transformation sequence

Constraints

1 ≤ beginWord.length ≤ 10

🔍 Sample Input

"hit"
"cog"
["hot","dot","dog","lot","log","cog"]

✅ Sample Output

5

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