16 lines
295 B
Python
16 lines
295 B
Python
from sys import stdin
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from queue import PriorityQueue
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n=int(stdin.readline().rstrip())
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q=PriorityQueue()
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for _ in range(n):
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i=int(stdin.readline().rstrip())
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if i==0:
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if q.qsize():
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print(q.get()*(-1))
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else:
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print("0")
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else:
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q.put(-i)
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