feat: week5 문제풀이 (271)

Author: jinah92

word-break/jinah92.py

@@ -0,0 +1,14 @@
+# O(2^s*w) times, O(s) space
+class Solution:
+    def wordBreak(self, s: str, wordDict: List[str]) -> bool:
+        @cache
+        def dfs(start):
+            if start == len(s):
+                return True
+            for word in wordDict:
+                if s[start:start+len(word)] == word:
+                    if dfs(start+len(word)):
+                        return True
+            return False
+        
+        return dfs(0)