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Improve code complexity for segmented sieve (#6372)

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Daniel Pustotin 2022-10-02 19:35:02 +03:00 committed by GitHub
parent 50545d10c5
commit 8b8fba3459
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1 changed files with 3 additions and 8 deletions
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maths/segmented_sieve.py
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@ -15,15 +15,12 @@ def sieve(n):
if temp[start] is True:
in_prime.append(start)
for i in range(start * start, end + 1, start):
if temp[i] is True:
temp[i] = False
temp[i] = False
start += 1
prime += in_prime
low = end + 1
high = low + end - 1
if high > n:
high = n
high = min(2 * end, n)
while low <= n:
temp = [True] * (high - low + 1)
@ -41,9 +38,7 @@ def sieve(n):
prime.append(j + low)
low = high + 1
high = low + end - 1
if high > n:
high = n
high = min(high + end, n)
return prime