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Commit d0d6249

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Time: 622 ms (46.55%), Space: 21.1 MB (58.06%) - LeetHub
1 parent f8137db commit d0d6249

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class Solution:
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def lemonadeChange(self, bills: List[int]) -> bool:
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five_count = 0
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ten_count = 0
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for bill in bills:
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if bill == 5:
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five_count += 1
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elif bill == 10:
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if five_count == 0:
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return False
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five_count -= 1
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ten_count += 1
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elif bill == 20:
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if ten_count > 0 and five_count > 0:
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ten_count -= 1
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five_count -= 1
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elif five_count >= 3:
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five_count -= 3
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else:
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return False
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return True

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