Leetcode139:单词拆分

题目描述

思路分析

代码实现

	public boolean wordBreak(String s, List<String> wordDict) {
		boolean[] dp = new boolean[s.length() + 1];
		dp[0] = true;
		for (int i = 1; i <= s.length(); i++) {
			for (int j = 0; j < i; j++) {
				if (dp[j] && wordDict.contains(s.substring(j, i))) {
					dp[i] = true;
					break;
				}
			}
		}
		return dp[s.length()];
	}