12 lines
214 B
Python
12 lines
214 B
Python
n = int(input())
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balance = 0
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min_balance = 0
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for _ in range(n):
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t = int(input())
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balance += t
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if balance < min_balance:
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min_balance = balance
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print(min_balance * -1 if min_balance < 0 else 0)
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