Solved Day 4

day04/input

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+yzbqklnj

day04/solution.rb

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+#!/bin/env ruby
+require 'digest'
+
+key = File.read('./input').strip
+# Part 1
+answer = false
+num = 0
+until answer
+  num += 1
+  answer = true if Digest::MD5.hexdigest(key + num.to_s)[0..4] == '00000'
+end
+
+puts 'Part 1 Solution is: ' + num.to_s
+puts "md5sum is: #{Digest::MD5.hexdigest(key + num.to_s)}"
+
+# Part 2
+answer = false
+num = 0
+until answer
+  num += 1
+  answer = true if Digest::MD5.hexdigest(key + num.to_s)[0..5] == '000000'
+end
+
+puts 'Part 2 Solution is: ' + num.to_s
+puts "md5sum is: #{Digest::MD5.hexdigest(key + num.to_s)}"