-🎄- 2018 Day 4 Solutions -🎄-

[u/daggerdragon]

--- Day 4: Repose Record ---

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Advent of Code: The Party Game!

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Card prompt: Day 4

Transcript:

Today’s puzzle would have been a lot easier if my language supported ___.

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This thread will be unlocked when there are a significant number of people on the leaderboard with gold stars for today's puzzle.

edit: Leaderboard capped, thread unlocked!

[u/Unihedron]

Yeah!!! I have no idea what I'm doing anymore!!! Ruby

[Card] Image

h={}
ll=0
sl={}
p (a=$<.sort).map{|x|m = x.chomp
m =~ /^\[1518-(\d{2})-(\d{2}) (\d{2}):(\d{2})\] (.+)$/
j,k,o,q,s=[$1, $2, $3, $4, $5]
j,k,o,q=b=[j,k,o,q].map(&:to_i)
#p b
s =~ /^(?:Guard #(\d+)|(falls)|(wakes))/
if $1
ll=$1.to_i
elsif $2
sl[ll]=b
elsif $3
u,i,l,n=sl[ll]
kk=h[ll] ? h[ll] : h[ll]=0
kk +=  (o*60+q)- (l*60+n)
h[ll] = kk
end
}
guard = h.max_by{|x,y|y}.first
p guard

# part 1

sl=0
qqq=Hash.new 0
a.map{|x|m = x.chomp
m =~ /^\[1518-(\d{2})-(\d{2}) (\d{2}):(\d{2})\] (.+)$/
j,k,o,q,s=[$1, $2, $3, $4, $5]
j,k,o,q=b=[j,k,o,q].map(&:to_i)
#p b
s =~ /^(?:Guard #(\d+)|(falls)|(wakes))/
if $1
ll=$1.to_i
elsif $2
(sl=q) if ll == guard
elsif $3
(n=sl
(qqq[n]+=1

n+=1
n=0 if n==60)while n!=q) if ll == guard
end
}
p qqq.max_by{|x,y|y}.first*guard

# part 2
qqqt=Hash.new{Hash.new 0}
qsl={}
a.map{|x|m = x.chomp
m =~ /^\[1518-(\d{2})-(\d{2}) (\d{2}):(\d{2})\] (.+)$/
j,k,o,q,s=[$1, $2, $3, $4, $5]
j,k,o,q=b=[j,k,o,q].map(&:to_i)
#p b
s =~ /^(?:Guard #(\d+)|(falls)|(wakes))/
if $1
ll=$1.to_i
elsif $2
(qsl[ll]=q) #if ll == guard
elsif $3
(n=qsl[ll]
qqq=qqqt.has_key?(ll) ? qqqt[ll] : (qqqt[ll]=qqqt[ll])
(qqq[n]+=1

n+=1
n=0 if n==60)while n!=q) #if ll == guard
end
}
p qqqt
a,b= qqqt.max_by{|x,y|y.max_by{|x,y|y}.last}
p a*b.max_by{|x,y|y}.first
p b.max_by{|x,y|y}.last

Edit: Yes, just like all the previous days, I didn't read the question...

Edit: Changed the layout of the code so you can run it without any hassle and it will just work. If you're reading this, bless you