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project_euler/problem_001/sol6.py
39 строк
751 B
Michael D
Fix style of the first ten solutions for Project Euler (#3242)
25 окт 2020, 06:23
Не верифицирован
25 окт 2020, 06:23
98e9d6b
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""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: """ Returns the sum of all the multiples of 3 or 5 below n. >>> solution(3) 0 >>> solution(4) 3 >>> solution(10) 23 >>> solution(600) 83700 """ a = 3 result = 0 while a < n: if a % 3 == 0 or a % 5 == 0: result += a elif a % 15 == 0: result -= a a += 1 return result if __name__ == "__main__": print(f"{solution() = }")