Description
Given a string s and a dictionary of strings wordDict, return true if s can be segmented into a space-separated sequence of one or more dictionary words.
Examples
Input:
s = "leetcode", wordDict = ["leet","code"]Output:
trueExplanation:
Return true because "leetcode" can be segmented as "leet code".
Input:
s = "applepenapple", wordDict = ["apple","pen"]Output:
trueExplanation:
Return true because "applepenapple" can be segmented as "apple pen apple".
Input:
s = "catsandog", wordDict = ["cats","dog","sand","and","cat"]Output:
falseExplanation:
Cannot be segmented into dictionary words.
Constraints
- •
1 ≤ s.length ≤ 300 - •
1 ≤ wordDict.length ≤ 1000 - •
1 ≤ wordDict[i].length ≤ 20 - •
s and wordDict[i] consist of only lowercase English letters. - •
All the strings of wordDict are unique.