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Handle empty input case in Segment Tree build process #8718

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Merged
merged 4 commits into from
Jul 31, 2023
Merged

Handle empty input case in Segment Tree build process #8718

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438c795
Handle empty input case in Segment Tree build process
roger-sato May 9, 2023
80e4fa6
Merge branch 'TheAlgorithms:master' into patch-1
roger-sato May 17, 2023
d74fc3d
Merge branch 'TheAlgorithms:master' into patch-1
roger-sato May 22, 2023
b10275a
Merge branch 'TheAlgorithms:master' into patch-1
roger-sato May 25, 2023
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3 changes: 2 additions & 1 deletion data_structures/binary_tree/segment_tree.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,8 @@ def __init__(self, a):
self.st = [0] * (
4 * self.N
) # approximate the overall size of segment tree with array N
self.build(1, 0, self.N - 1)
if self.N:
self.build(1, 0, self.N - 1)

def left(self, idx):
return idx * 2
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