Day 2

day02/ex1/main.go

@@ -0,0 +1,46 @@
+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 opponent common.Move
+    switch line[0] {
+      case 'A':
+        opponent = common.Rock
+      case 'B':
+        opponent = common.Paper
+      case 'C':
+        opponent = common.Scissor
+    }
+
+    var response common.Move
+    switch line[2] {
+      case 'X':
+        response = common.Rock
+      case 'Y':
+        response = common.Paper
+      case 'Z':
+        response = common.Scissor
+    }
+
+    rounds = append(rounds, common.Round{Opponent: opponent, Response: response})
+  }
+
+  return rounds
+}
+
+func main() {
+  rounds := Parse(*bufio.NewScanner(os.Stdin))
+
+  fmt.Println(common.GetTotalScore(rounds))
+}