Leetcode-Word Break II

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Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word.

Return all such possible sentences.

For example, given
s = "catsanddog",
dict = ["cat", "cats", "and", "sand", "dog"].

A solution is ["cats and dog", "cat sand dog"].

Analysis:

Use DP. d[i] = sum of (d[j]*s[j...i]) for j=i-1...0

Leetcode-Word Break II

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原文地址：http://www.cnblogs.com/lishiblog/p/4158879.html