Solution: Word Ladder
Explore the BFS method to solve the Word Ladder problem by finding the shortest path transforming a source word to a destination word through valid intermediate words. Learn to efficiently implement the level-order traversal, identify adjacent words differing by one character, and analyze the solution's time and space complexity.
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Statement
Given two words, src and dest, and a list, words, return the number of words in the shortest transformation sequence from src to dest. If no such sequence could be formed, return .
A transformation sequence is a sequence of words src ...