leetcode.com 20. Valid Parentheses

문제 링크: https://leetcode.com/problems/valid-parentheses

Author: skysign

leetcode.com 20. Valid Parentheses v2/main.py

@@ -0,0 +1,19 @@
+class Solution:
+    def isValid(self, s: str) -> bool:
+        dt = []
+
+        for c in s:
+            if len(dt) == 0:
+                dt.append(c)
+                continue
+
+            if dt[-1] == '(' and c == ')':
+                dt.pop()
+            elif dt[-1] == '[' and c == ']':
+                dt.pop()
+            elif dt[-1] == '{' and c == '}':
+                dt.pop()
+            else:
+                dt.append(c)
+
+        return True if len(dt) == 0 else False