solve: word break

Author: sounmind

word-break/evan.py

@@ -0,0 +1,17 @@
+from typing import List
+
+
+class Solution:
+    def wordBreak(self, s: str, wordDict: List[str]) -> bool:
+        dp = [False] * (len(s) + 1)
+        dp[0] = True
+
+        for i in range(1, len(s) + 1):
+            for j in range(i):
+                # If the substring s[:j] is breakable and the substring s[j:i] is in the wordSet,
+                # then the substring s[:i] is breakable
+                if dp[j] and s[j:i] in wordDict:
+                    dp[i] = True
+                    break
+
+        return dp[len(s)]