Add 2022 and 2023

1 files changed, 48 insertions, 0 deletions

diff --git a/2022/day1.rb b/2022/day1.rb
new file mode 100644
index 0000000..f7a7c24
--- /dev/null
+++ b/2022/day1.rb
@@ -0,0 +1,48 @@
+
+
+TEST_S = <<-TEST
+1000
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+4000
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+5000
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+7000
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+10000
+TEST
+
+def elves_food(input_str)
+  return input_str.split(/^$/).map do
+    |elf_rations|
+    elf_rations.strip.split("\n").map(&:to_i)
+  end
+end
+
+def calories_by_elf(input_str)
+  elves_food(input_str).map(&:sum)
+end
+
+def max_calories(input_str)
+  calories_by_elf(input_str).max
+end
+
+def top_3_calories(input_str)
+  calories_by_elf(input_str).sort.reverse.take(3).sum
+end
+
+def day1
+  File.open('day1.txt') do |f|
+    input_str = f.read
+    puts "part1: #{max_calories(input_str)}"
+    puts "part2: #{top_3_calories(input_str)}"
+  end
+end
+
+day1()
+#puts elves_food(TEST_S)