Add solutions for day two and three

day2.cr

@@ -0,0 +1,51 @@
+require "advent"
+
+INPUT = input(2022, 2).lines.map do |l|
+  a, b =  l.split(" ")
+  {a, b}
+end
+
+WINS1 = {
+  "AX" => 3 + 1,
+  "AY" => 6 + 2,
+  "AZ" => 0 + 3,
+
+  "BX" => 0 + 1,
+  "BY" => 3 + 2,
+  "BZ" => 6 + 3,
+
+  "CX" => 6 + 1,
+  "CY" => 0 + 2,
+  "CZ" => 3 + 3,
+}
+
+WINS2 = {
+  "AX" => 0+3,
+  "AY" => 3+1,
+  "AZ" => 6+2,
+
+  "BX" => 0+1,
+  "BY" => 3+2,
+  "BZ" => 6+3,
+
+  "CX" => 0+2,
+  "CY" => 3+3,
+  "CZ" => 6+1,
+}
+
+def part1(input)
+  input.sum do |x|
+    a,b = x
+    WINS1[a+b]
+  end
+end
+
+def part2(input)
+  input.sum do |x|
+    a,b = x
+    WINS2[a+b]
+  end
+end
+
+puts part1(INPUT)
+puts part2(INPUT)