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1 parent 78d12f3 commit cd0d2d0Copy full SHA for cd0d2d0
prefix.py
@@ -13,6 +13,7 @@ def query(self, l: int, r: int) -> int:
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for i in range(l, r + 1):
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sum += self.arr[i]
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return sum
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+
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def queryOptimized(self, l: int, r: int) -> int:
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sum = self.prefix[r]
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if l > 0:
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