🐜 Study: 올바른 괄호

Author: ing-eoking

올바른 괄호.py

@@ -0,0 +1,6 @@
+def solution(s: str) -> bool:
+    cur = 0
+    for i in s: 
+        cur += (i == '(') - (i == ')')
+        if cur < 0: return False
+    return cur == 0