From 4acb4f910dae983dac0004cd3d0b09745ff711d7 Mon Sep 17 00:00:00 2001
From: Megha1209 <51127835+Megha1209@users.noreply.github.com>
Date: Wed, 30 Sep 2020 20:22:37 +0530
Subject: [PATCH] Create 139 Word Break

Java Word Break DP solution.
---
 src/com/blankj/medium/139 Word Break | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/com/blankj/medium/139 Word Break

diff --git a/src/com/blankj/medium/139 Word Break b/src/com/blankj/medium/139 Word Break
new file mode 100644
index 00000000..4db5785c
--- /dev/null
+++ b/src/com/blankj/medium/139 Word Break	
@@ -0,0 +1,19 @@
+	public boolean wordBreak(String s, List<String> wordDict) {
+		HashSet<String> words=new HashSet(wordDict);
+		int n=s.length();
+		boolean[] dp=new boolean[n+1];
+		
+		int len=0;
+		for(String word: wordDict) len=Math.max(len,word.length());
+		
+		dp[0]=true;
+		for(int i=0;i<n;i++){
+			if(!dp[i]) continue;
+			
+			for(int l=1;i+l<=n && l <= len ; l++){
+				if(words.contains(s.substring(i,i+l))) dp[i+1]=true;
+			}
+		}
+
+		return dp[n];
+    }