From 8487fe3f219c99dc720f99e2d53197c211deaf5b Mon Sep 17 00:00:00 2001 From: Abigail Date: Mon, 31 Jan 2022 15:50:18 +0100 Subject: Week 150: Solutions --- challenge-150/abigail/lua/ch-1.lua | 19 +++++++++++++++++++ challenge-150/abigail/lua/ch-2.lua | 27 +++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 challenge-150/abigail/lua/ch-1.lua create mode 100644 challenge-150/abigail/lua/ch-2.lua (limited to 'challenge-150/abigail/lua') diff --git a/challenge-150/abigail/lua/ch-1.lua b/challenge-150/abigail/lua/ch-1.lua new file mode 100644 index 0000000000..ddaa1237c5 --- /dev/null +++ b/challenge-150/abigail/lua/ch-1.lua @@ -0,0 +1,19 @@ +#!/opt/local/bin/lua + +-- +-- See https://theweeklychallenge.org/blog/perl-weekly-challenge-150 +-- + +-- +-- Run as: lua ch-1.lua < input-file +-- + +local LENGTH = 51 + +for line in io . lines () do + local fib_prev, fib_last = line : match ("(%S+) (%S+)") + while fib_last : len () < LENGTH do + fib_prev, fib_last = fib_last, fib_prev .. fib_last + end + print (fib_last : sub (LENGTH, LENGTH)) +end diff --git a/challenge-150/abigail/lua/ch-2.lua b/challenge-150/abigail/lua/ch-2.lua new file mode 100644 index 0000000000..f3e4862279 --- /dev/null +++ b/challenge-150/abigail/lua/ch-2.lua @@ -0,0 +1,27 @@ +#!/opt/local/bin/lua + +-- +-- See https://theweeklychallenge.org/blog/perl-weekly-challenge-150 +-- + +-- +-- Run as: lua ch-2.lua +-- + +local primes = {2, 3, 5, 7, 11, 13, 17, 19} +local max = 500 + +for n = 1, max do + local has_square = 0 + local p + for _, p in ipairs (primes) do + if n % (p * p) == 0 then + has_square = 1 + end + end + if has_square == 0 then + io . write (n) + io . write (" ") + end +end +io . write ("\n") -- cgit