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[백준/Python] 10773. 제로
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코딩테스트/BAEKJOON
1. 유형: 스택 2. 문제 3. 풀이 기본적인 스택 연산 구현 연습import sysK = int(sys.stdin.readline())stck = []for i in range(K): n = int(sys.stdin.readline()) if n == 0: if stck: stck.pop() else: continue else: stck.append(n)print(sum(stck))