diff --git a/project_euler/problem_26/sol1.py b/project_euler/problem_26/sol1.py index cab8e0eb5..64e0bbfef 100644 --- a/project_euler/problem_26/sol1.py +++ b/project_euler/problem_26/sol1.py @@ -1,20 +1,38 @@ """ Euler Problem 26 https://projecteuler.net/problem=26 + +Problem Statement: + +A unit fraction contains 1 in the numerator. The decimal representation of the +unit fractions with denominators 2 to 10 are given: + +1/2 = 0.5 +1/3 = 0.(3) +1/4 = 0.25 +1/5 = 0.2 +1/6 = 0.1(6) +1/7 = 0.(142857) +1/8 = 0.125 +1/9 = 0.(1) +1/10 = 0.1 +Where 0.1(6) means 0.166666..., and has a 1-digit recurring cycle. It can be +seen that 1/7 has a 6-digit recurring cycle. + Find the value of d < 1000 for which 1/d contains the longest recurring cycle in its decimal fraction part. """ -def find_digit(numerator: int, digit: int) -> int: +def solution(numerator: int = 1, digit: int = 1000) -> int: """ Considering any range can be provided, because as per the problem, the digit d < 1000 - >>> find_digit(1, 10) + >>> solution(1, 10) 7 - >>> find_digit(10, 100) + >>> solution(10, 100) 97 - >>> find_digit(10, 1000) + >>> solution(10, 1000) 983 """ the_digit = 1