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executable file

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day02.rb

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executable file

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12 lines (9 loc) · 369 Bytes

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#!/usr/bin/env ruby

lines = File.readlines(ARGV[0])

p lines

.map { |line| line.split(/[\s-]/) }

.count { |min, max, letter, password| password.count(letter).between?(min.to_i, max.to_i) }

p lines

.map { |line| line.split(/[\s:-]/) }

.map { |f, s, l, _, p| [f.to_i - 1, s.to_i - 1, l, p] }

.count { |f, s, l, p| (p[f] == l && p[s] != l) || (p[f] != l && p[s] == l) }