Add solutions for day one

day1.cr

@@ -0,0 +1,46 @@
+require "advent"
+INPUT = input(2022, 1).lines#.lines.map(&.to_i32)
+
+
+def part1(input)
+  list = [] of Array(String)
+  current = [] of String
+  input.each do |line|
+    if line.empty?
+      list << current
+      current = [] of String
+    else
+      current << line
+    end
+  end
+  if !current.empty?
+    list << current
+  end
+
+  list.max_of do |list|
+    list.map(&.to_i32).sum
+  end
+end
+
+def part2(input)
+  list = [] of Array(String)
+  current = [] of String
+  input.each do |line|
+    if line.empty?
+      list << current
+      current = [] of String
+    else
+      current << line
+    end
+  end
+  if !current.empty?
+    list << current
+  end
+
+  data = list.map(&.map(&.to_i32).sum)
+  data.sort!
+  data[-1] + data[-2] + data[-3]
+end
+
+puts part1(INPUT.clone)
+puts part2(INPUT.clone)