Add day one solution.

master
Danila Fedorin 5 years ago
commit c8f1a23c0b

@ -0,0 +1,3 @@
puts File.read("day1").split("\n")
.map(&.to_i)
.sum

@ -0,0 +1,19 @@
count = { 0 => 1 }
acc = 0
changes = File.read("day1").split("\n")
.select { |it| !it.empty? }
.map(&.to_i)
while true
changes.each do |i|
acc += i
old_count = count[acc]? || 0
new_count = old_count + 1
count[acc] = new_count
if new_count == 2
puts acc
exit
end
end
end
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