[BOJ] 4949 균형잡힌 세상 (S4)

Author: jihostudy

김지호/7주차/260211.py

@@ -0,0 +1,27 @@
+
+while True :
+    a = input()
+    stack = []
+
+    if a == "." :
+        break
+
+    for i in a :
+        if i == '[' or i == '(' :
+            stack.append(i)
+        elif i == ']' :
+            if len(stack) != 0 and stack[-1] == '[' :
+                stack.pop() # 맞으면 지워서 stack을 비워줌 0 = yes
+            else : 
+                stack.append(']')
+                break
+        elif i == ')' :
+            if len(stack) != 0 and stack[-1] == '(' :
+                stack.pop()
+            else :
+                stack.append(')')
+                break
+    if len(stack) == 0 :
+        print('yes')
+    else :
+        print('no')