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Solution: Word Break II

Understand how to apply dynamic programming to solve the Word Break II problem, generating all possible valid sentences by breaking a string using a dictionary. Explore both naive recursive and optimized bottom-up tabulation approaches to improve efficiency and practice implementation and complexity analysis.

Statement

You are given a string, s, and an array of strings, wordDict, representing a dictionary. Your task is to add spaces to s to break it up into a sequence of valid words from wordDict. We are required to return an array of all possible sequences of words (sentences). The order in which the sentences are listed is not significant.

Note: The same dictionary word may be reused multiple times in the segmentation.

Constraints:

  • 11 \leq s.length 20\leq 20 ...