[BOJ] 10773 제로 (S4)

Author: jihostudy

김지호/9주차/260224.py

@@ -0,0 +1,18 @@
+# https://www.acmicpc.net/problem/10773
+# 제로, 실버4
+
+import sys
+sys.stdin = open('../../../input.txt', 'r')
+
+K = int(input().strip())
+
+stack = []
+for _ in range(K):
+    num = int(input().strip())
+    
+    if num == 0:
+        stack.pop()
+    else:
+        stack.append(num)
+
+print(sum(stack))