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[pre-commit.ci] auto fixes from pre-commit.com hooks

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pre-commit-ci[bot] 2023-08-06 15:19:52 +00:00
parent 2590a893f8
commit 2a37bbf8c5
1 changed files with 22 additions and 23 deletions
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45
maths/prime_factorization_fast.py
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@ -1,9 +1,9 @@
from __future__ import annotations
from math import ceil , sqrt
from math import ceil, sqrt
def primeproduct( num : int) -> list[int]:
'''
def primeproduct(num: int) -> list[int]:
"""
>>> primeproduct(868)
[2, 2, 7, 31]
>>> primeproduct(9039423423423743)
@ -13,47 +13,46 @@ def primeproduct( num : int) -> list[int]:
ValueError: invalid literal for int() with base 10: '0.02'
>>> primeproduct(-2342)
[]
'''
"""
if num <= 1:
return []
prime_factors = []
while num > 1:
if len(prime_factors) >= 1 and prime_factors[-1] % num ==0:
if len(prime_factors) >= 1 and prime_factors[-1] % num == 0:
prime_factors.append(prime_factors[-1])
else:
sq = ceil(sqrt(num))
flag = 0
if prime_factors!=[]:
for i in range(prime_factors[-1], sq+1 , 2):
if num % i == 0:
num = num // i
prime_factors.append(i)
flag = 1
break
else:
while num % 2 == 0:
num = num // 2
prime_factors.append(2)
for i in range(3 , sq+1 , 2):
if prime_factors != []:
for i in range(prime_factors[-1], sq + 1, 2):
if num % i == 0:
num = num // i
prime_factors.append(i)
flag = 1
break
else:
while num % 2 == 0:
num = num // 2
prime_factors.append(2)
for i in range(3, sq + 1, 2):
if num % i == 0:
num = num // i
prime_factors.append(i)
flag = 1
break
if not flag and num > 1:
prime_factors.append(num)
num = 1
break
return prime_factors