From a0c9b1d317ff957b7460b44773ec7a9de8ac3ccd Mon Sep 17 00:00:00 2001 From: zxey Date: Wed, 3 Oct 2018 00:08:40 +0200 Subject: [PATCH] Add lucky numbers Fixes #40 --- math/lucky_numbers.py | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 math/lucky_numbers.py diff --git a/math/lucky_numbers.py b/math/lucky_numbers.py new file mode 100644 index 0000000..5f15e5c --- /dev/null +++ b/math/lucky_numbers.py @@ -0,0 +1,22 @@ +def lucky_numbers(n): + survivor = 1 + delete_every = 2 + index = None + sieve = list(range(1, n + 1)) + + while len(sieve) >= delete_every: + index = delete_every - 1 + while index < len(sieve): + del sieve[index] + index += (delete_every - 1) + + survivor_index = sieve.index(survivor) + 1 + survivor = sieve[survivor_index] + delete_every = survivor + + return sieve + +if __name__ == "__main__": + number = input("Enter number: ") + number = int(number) + print("Lucky numbers:", *lucky_numbers(number)) \ No newline at end of file pFad - Phonifier reborn

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