Merge pull request #7 from JYP0824/main

JYP / 3월 3주차 / 3문제

Author: JYP0824

JYP/괄호.py

@@ -0,0 +1,19 @@
+a = int(input())
+
+for i in range(a):
+    res = []
+    b = str(input())
+    for c in b:
+        if c == '(':
+            res.append(c)
+        elif c == ')':
+            if res:
+                res.pop()
+            else:
+                print("NO")
+                break
+    else:        
+        if len(res) == 0:
+            print("YES")
+        else:
+            print("NO") 

JYP/균형잡힌 세상.py

@@ -0,0 +1,35 @@
+while True:
+    a = input()
+    
+    if a == '.':
+        break
+    stk = []
+    ans = True
+
+    for g in a:
+        if g =='(' or g == '[':
+            stk.append(g)
+        elif g == ')':
+            if len(stk) == 0:
+                ans = False
+                break
+            if stk[-1] == '(':       
+                stk.pop()
+            else:
+                ans=False
+                break
+        elif g ==']':
+            if len(stk) == 0:
+                ans = False
+                break
+            if stk[-1] == '[':
+                stk.pop()
+            else:
+                ans = False
+                break
+    
+    
+    if ans and not stk:
+        print("yes")
+    else:
+        print("no")

JYP/제로.py

@@ -0,0 +1,11 @@
+num = int(input())
+a = []
+
+for i in range(num):
+    b = int(input())
+    
+    if b == 0:
+        a.pop()
+    else:
+        a.append(b)
+print(sum(a))