nunu

Signed-off-by: jolheiser <john.olheiser@gmail.com>

src/day2.nu

@@ -0,0 +1,38 @@
+let input = (open ../input/day2.txt | lines)
+let choices = ($input | each { |i| $i | split words })
+
+def part1 [om, mm] {
+  let msel = (if $mm == 'X' { 1 } else { if $mm == 'Y' { 2 } else { 3 } })
+  let round = (
+    if $mm == 'X' {
+      if $om == 'A' { 3 } else { if $om == 'B' { 0 } else { 6 } }
+    } else {
+      if $mm == 'Y' {       
+        if $om == 'A' { 6 } else { if $om == 'B' { 3 } else { 0 } }
+      } else {
+        if $om == 'A' { 0 } else { if $om == 'B' { 6 } else { 3 } }
+      }
+    }
+  )
+  $msel + $round
+}
+
+def part2 [om, mm] {
+  let round = (if $mm == 'X' { 0 } else { if $mm == 'Y' { 3 } else { 6 } })
+  let msel = (
+    if $om == 'A' {
+      if $mm == 'X' { 3 } else { if $mm == 'Y' { 1 } else { 2 } }
+    } else {
+      if $om == 'B' {       
+        if $mm == 'X' { 1 } else { if $mm == 'Y' { 2 } else { 3 } }
+      } else {
+        if $mm == 'X' { 2 } else { if $mm == 'Y' { 3 } else { 1 } }
+      }
+    }
+  )
+  $msel + $round
+}
+
+
+$choices | each { |c| part1 $c.0 $c.1 } | math sum
+$choices | each { |c| part2 $c.0 $c.1 } | math sum