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Problem 1668. Josephus Survivor

Created by Richard Zapor

The Josephus Challenge is to find the position that is the last remaining when every Kth item is removed from a list of N items. The removal wraps from the end to the start.

Input: N, K where N is the number of players and K is the removal period.

Output: S the last position remaining

Example: N=4 K=2 produces the sequence

1 2 3 4; 1 3 4; 1 3; 1

Comment:

This is a replication of Decimation by James but has a different Historical story reference.

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Solution Statistics

14 correct solutions 2 incorrect solutions
Last solution submitted on Oct 25, 2014

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