#1992Hard· asked at 10 companies
Word Break II
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What we know
Example 1
Input: s = "catsanddog", wordDict = ["cat","cats","and","sand","dog"] Output: ["cats and dog","cat sand dog"]
Example 2
Input: s = "pineapplepenapple", wordDict = ["apple","pen","applepen","pine","pineapple"] Output: ["pine apple pen apple","pineapple pen apple","pine applepen apple"]
Example 3
Input: s = "catsandog", wordDict = ["cats","dog","sand","and","cat"] Output: []
Constraints
- •
1 <= s.length <= 20 - •
1 <= wordDict.length <= 1000 - •
1 <= wordDict[i].length <= 10 - •
All strings consist of lowercase English letters.