(Python) 백준 10773 / 제로

queue 연습용

import sys
from collections import deque

input = sys.stdin.readline
queue = deque()

iii = int(input())
a = 0

for _ in range(iii):
  aaa = int(input())
  if aaa != 0:
    queue.append(aaa)
  else:
    queue.pop()
    
for i in queue:
  a += i
print(a)