leetcode.com 290. Word Pattern

문제 링크: https://leetcode.com/problems/word-pattern

Author: skysign

leetcode.com 290. Word Pattern/main.py

@@ -0,0 +1,25 @@
+class Solution:
+    def wordPattern(self, pattern: str, s: str) -> bool:
+        ss = s.split()
+
+        if len(pattern) != len(ss):
+            return False
+
+        c2word = {}
+        word2c = {}
+
+        for idx in range(len(pattern)):
+            c = pattern[idx]
+            word = ss[idx]
+
+            if c not in c2word.keys():
+                c2word[c] = word
+            elif c2word[c] != word:
+                return False
+
+            if word not in word2c.keys():
+                word2c[word] = c
+            elif word2c[word] != c:
+                return False
+
+        return True