Day 2

day02/ex2/main.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+  "bufio"
+  "fmt"
+  "os"
+  "aoc2022/day02/common"
+)
+
+func Parse(scanner bufio.Scanner) []common.Round {
+  rounds := []common.Round{}
+
+  for scanner.Scan() {
+    line := scanner.Text()
+
+    var round common.Round
+    switch line {
+      case "A X":
+        round = common.Round{Opponent: common.Rock, Response: common.Scissor}
+      case "A Y":
+        round = common.Round{Opponent: common.Rock, Response: common.Rock}
+      case "A Z":
+        round = common.Round{Opponent: common.Rock, Response: common.Paper}
+      case "B X":
+        round = common.Round{Opponent: common.Paper, Response: common.Rock}
+      case "B Y":
+        round = common.Round{Opponent: common.Paper, Response: common.Paper}
+      case "B Z":
+        round = common.Round{Opponent: common.Paper, Response: common.Scissor}
+      case "C X":
+        round = common.Round{Opponent: common.Scissor, Response: common.Paper}
+      case "C Y":
+        round = common.Round{Opponent: common.Scissor, Response: common.Scissor}
+      case "C Z":
+        round = common.Round{Opponent: common.Scissor, Response: common.Rock}
+    }
+    rounds = append(rounds, round)
+  }
+
+  return rounds
+}
+
+func main() {
+  rounds := Parse(*bufio.NewScanner(os.Stdin))
+
+  fmt.Println(common.GetTotalScore(rounds))
+}