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Improve Project Euler problem 034 solution 1 #5165

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merged 1 commit into from
Oct 25, 2021
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Improve Project Euler problem 034 solution 1 #5165

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4 changes: 3 additions & 1 deletion project_euler/problem_034/sol1.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@

from math import factorial

DIGIT_FACTORIAL = {str(d): factorial(d) for d in range(10)}


def sum_of_digit_factorial(n: int) -> int:
"""
Expand All @@ -17,7 +19,7 @@ def sum_of_digit_factorial(n: int) -> int:
>>> sum_of_digit_factorial(0)
1
"""
return sum(factorial(int(char)) for char in str(n))
return sum(DIGIT_FACTORIAL[d] for d in str(n))


def solution() -> int:
Expand Down